CN208770507U - Dialysis concentrate automatic liquid matching liquid-supplying system - Google Patents
Dialysis concentrate automatic liquid matching liquid-supplying system Download PDFInfo
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- CN208770507U CN208770507U CN201820271623.6U CN201820271623U CN208770507U CN 208770507 U CN208770507 U CN 208770507U CN 201820271623 U CN201820271623 U CN 201820271623U CN 208770507 U CN208770507 U CN 208770507U
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Abstract
The utility model provides a kind of dialysis concentrate automatic liquid matching liquid-supplying system comprising liquid mixing system and liquid-supplying system two large divisions, and equipped with PLC as controller.This automatic liquid matching liquid-supplying system in such a way that mixing pump is arranged in liquid mixing system and is washed away with liquid circulation being stirred, with water level detector come real-time monitoring liquid level, solution temperature is accurately controlled with temp probe and heating rod, match the conductivity of liquid come real-time detection with conductivity meter probe, to reach the concentration that liquid is matched in accurately and stably control；The setting that special construction is carried out by the feed flow port to liquid-supplying system makes disinfection when rinsing there is no cleaning dead angle, and cleaning effect is more thorough.Therefore the utility model have the characteristics that system setting rationally, high degree of automation, with liquid and sterilize flushing operation it is simple, dosing concentration is stable, is not easily susceptible to the pollution of bacterium, can continue to provide dialysis concentrate that meet national standards.
Description
Technical field
It is specifically a kind of for giving haemodialysis control unit central fluid supply the utility model relates to a kind of automatic liquid matching liquid-supplying system
Dialysis concentrate automatic liquid matching liquid-supplying system, belong to haemodialysis relevant device technical field.
Background technique
When carrying out haemodialysis to patient using haemodialysis control unit, need using dialysis concentrate and reverse osmosis water in proportion
It is diluted to dialyzate, wherein dialysis concentrate is divided into A liquid and B liquid, A liquid contains the ingredients such as potassium, sodium, calcium, magnesium, chlorine, citric acid,
For adjusting body fluid components, sodium value is balanced, uremia is alleviated, keeps human body fluid ion concentration；B liquid contains sodium bicarbonate, main
It to be used as buffer, for keeping human body fluid acid-base balance.
The considerations of for save the cost and in terms of environmental protection, dialysis concentrate can be used dialysis dry powder and certain proportion are added
Reverse osmosis water prepared at the scene.When dialysis concentrate is prepared at the scene by hospital, generally carried out by the way of manually preparing,
I.e. by being manually proportionally added into dialysis dry powder and reverse osmosis water in a liquid dispensing tank, then with manpower stirring or churned mechanically side
Formula dissolves dialysis dry powder sufficiently to get dialysis concentrate is arrived.Artificial preparation dialysis concentrate, it is both time-consuming and laborious, and match liquid
Concentration is unstable, and the pollution by bacterium is easy in manual handling thereof, causes the effect for dialysis treatment poor.In addition
Also occur some dialysis concentrate liquid make-up machines on the market at present, but the most the degree of automation of these liquid make-up machines is lower, accuracy
It is poor with stability, and due to B liquid bacterium easy to breed, it often to carry out disinfection flushing to liquid make-up machine and pipeline, these are matched
The disinfection flushing operation of liquid machine is cumbersome, and cleaning is not thorough enough, is easy to cause to breed bacterium in the presence of cleaning dead angle, influences concentration of dialysing
The supply quality of liquid.
Utility model content
More reasonable dialysis concentrate automatic liquid matching liquid-supplying system is designed the purpose of the utility model is to provide a kind of, with
Solve the above problem that dialysis concentrate is existing when manually preparing or preparing using conventional liquid make-up machine at present.
A kind of dialysis concentrate automatic liquid matching liquid-supplying system comprising liquid mixing system and liquid-supplying system two large divisions.
The liquid mixing system is equipped with Agitation Tank, and feeding port is equipped at the top of Agitation Tank, and feeding port is equipped with lid；Agitation Tank
Side wall is equipped with the water level detector for protruding into tank interior, temp probe, heating rod, conductivity meter probe, and conductivity meter is shown
Module is arranged outside Agitation Tank and is connected with conductivity meter probe；The bottom of Agitation Tank is equipped with outlet tube road and mixing pump
Entrance is connected, and the outlet tube road of Agitation Tank bottom, which is additionally provided with, is connected to discharge pipe with liquid discharge branch, with liquid discharge branch
Road, which is equipped with, matches liquid drain valve；The entrance and grade one filter of valve and shower valve are stirred by piping connection in the outlet of mixing pump
Entrance, the outlet connection for stirring valve stirs pipeline with liquid, stretches in Agitation Tank with liquid stirring pipeline, the outlet of shower valve connects
It connects with liquid spray pipeline, is protruded into Agitation Tank with liquid spray pipeline and its outlet extends to Agitation Tank center upper portion position, sprayed with liquid
The exit on shower pipe road is also connected with spray head；The entrance of grade one filter exported through piping connection secondary filter, two
The outlet of grade filter, to liquid-supplying system, is also connected with water inlet pipe on the export pipeline of secondary filter by piping connection
Road, inlet pipeline are equipped with inlet valve.
The liquid-supplying system sets Packed fluid reservoir, and opening is equipped at the top of fluid reservoir, and opening is carried out equipped with sealing cover
Sealing；Side at the top of fluid reservoir is additionally provided with the respirator for being connected to tank body inner air and outer air；The side wall of fluid reservoir is equipped with and protrudes into
The water level detector of tank interior；The outside of fluid reservoir is equipped with upper liquid valve, the secondary filter export pipeline of the liquid mixing system
The entrance of upper liquid valve is connected, the outlet of upper liquid valve connects liquor charging pipeline, and liquor charging pipeline stretches in fluid reservoir and its outlet extends to
Fluid reservoir center upper portion position, the exit of liquor charging pipeline are also connected with spray head；The bottom of fluid reservoir be equipped with outlet tube road with
The entrance of circulating pump is connected, and the outlet tube road of liquid storage pot bottom is additionally provided with liquid storage discharge branch and is connected to discharge pipe, stores up
Liquid discharge branch road is equipped with liquid storage drain valve；The outlet of circulating pump passes through the entrance of piping connection feed flow port, feed flow port
Outlet connection circulating valve and the entrance for replacing valve, by piping connection to fluid reservoir, the outlet for replacing valve is logical for the outlet of circulating valve
Piping connection is crossed to discharge pipe.
Conductivity meter, temp probe, heating rod, water-level detecting of this system equipped with PLC as controller, in liquid mixing system
Water level detector in device and liquid-supplying system is connected with PLC, mixing pump in liquid mixing system, with liquid drain valve, stirring valve,
Circulating pump, upper liquid valve, liquid storage drain valve, circulating valve, displacement valve in shower valve, inlet valve and liquid-supplying system are controlled by PLC.
The dialysis concentrate automatic liquid matching liquid-supplying system is additionally provided with touch screen as operation interface, touch screen and PLC phase
Connection, user is manipulated by touch screen to the operation of system and parameter setting.
Further, the outlet with liquid stirring pipeline is tangentially-arranged along the arc surface of Agitation Tank inner wall, good to be formed
Good mixing effect.
Further, the feed flow port includes multiple subports being serially connected on circulating-pump outlet pipeline, by multiple
Xiang Duotai haemodialysis control unit carries out feed flow to subport simultaneously.
Since when Systems Sterilizer is rinsed, the end in pipeline, the dead angle that disinfection easy to form is rinsed cause for feed flow port
Bacterium is bred, for this purpose, the subport uses a H-shaped duplex pipe fitting, two contacts of H-shaped duplex pipe fitting front end are connected
The export pipeline of circulating pump is accessed, it is female that two contacts of H-shaped duplex pipe fitting rear end respectively connect a self-closed type quick coupling
Seat；Each subport is also equipped with a short circuit bend pipe as auxiliary, and the both ends for being shorted bend pipe respectively connect a quick coupling, disinfection
Bend pipe will be shorted when flushing to be docked in two quick coupling bases of H-shaped duplex pipe fitting rear end by two quick couplings, by
This forms access, avoids the occurrence of cleaning dead angle.
The dialysis concentrate automatic liquid matching liquid-supplying system of the utility model is by being arranged mixing pump in liquid mixing system and using liquid
The mode that body circulation is washed away is stirred, with water level detector come real-time monitoring liquid level, with temp probe and heating rod come smart
Really control solution temperature, matches the conductivity of liquid with conductivity meter probe come real-time detection, matches to reach accurately and stably control
The concentration of liquid；The setting that special construction is carried out by the feed flow port to liquid-supplying system keeps disinfection dead there is no cleaning when rinsing
Angle, cleaning effect are more thorough.Therefore the utility model has reasonable system setting, high degree of automation, with liquid and disinfection punching
It washes that easy to operate, dosing concentration is stable, is not easily susceptible to the features such as pollution of bacterium, can continue to provide dialysis that meet national standards
Concentrate.
Detailed description of the invention
Fig. 1 is the schematic diagram of this dialysis concentrate automatic liquid matching liquid-supplying system.
Fig. 2 is the A-A section part direction view of Fig. 1.
Fig. 3 is the schematic diagram of feed flow port.
Fig. 4 is the schematic diagram that the subport of feed flow port is connected with short circuit bend pipe when rinsing that carries out disinfection.
In figure: 1- Agitation Tank, 2- water level detector, 3- temp probe, 4- heating rod, 5- conductivity meter, 6- mixing pump, 7-
Discharge pipe, 8- match liquid drain valve, and 9- stirs valve, 10- shower valve, 11- grade one filter, 12- spray head, 13- secondary filtration
Device, 14- inlet valve, 15- fluid reservoir, 16- respirator, 17- upper liquid valve, 18- circulating pump, 19- liquid storage drain valve, 20- feed flow end
Mouthful, 21- circulating valve, 22- displacement valve, 23- subport, 24-H shape duplex pipe fitting, 25- short circuit bend pipe.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
As shown in Figs. 1-2, this dialysis concentrate automatic liquid matching liquid-supplying system includes liquid mixing system and the big portion of liquid-supplying system two
Point.
The liquid mixing system is equipped with Agitation Tank 1, and feeding port is equipped at the top of Agitation Tank 1, and feeding port is equipped with lid；Agitation Tank
1 side wall is equipped with the probe of the water level detector 2 for protruding into tank interior, temp probe 3, heating rod 4, conductivity meter 5, conductance
The display module of rate instrument 5 is arranged in 1 outside of Agitation Tank and is connected with the probe of conductivity meter 5；The bottom of Agitation Tank 1 is equipped with
Liquid pipeline is connected with the entrance of mixing pump 6, and the outlet tube road of 1 bottom of Agitation Tank, which is additionally provided with, is connected to row with liquid discharge branch
Pipeline 7 is put, is equipped with liquid discharge branch road with liquid drain valve 8；The outlet of mixing pump 6 valve 9 and spray are stirred by piping connection
The outlet connection of the entrance of valve 10 and the entrance of grade one filter 11, stirring valve 9 stirs pipeline with liquid, stretches with liquid stirring pipeline
Enter into Agitation Tank 1 and its outlet is tangentially-arranged along the arc surface of 1 inner wall of Agitation Tank, the outlet connection of shower valve 10 is sprayed with liquid
Pipeline protrudes into Agitation Tank 1 with liquid spray pipeline and its outlet extends to 1 center upper portion position of Agitation Tank, with liquid spray pipeline
Exit is also connected with spray head 12；The outlet of grade one filter 11 passes through the entrance of piping connection secondary filter 13, second level
The outlet of filter 13, to liquid-supplying system, is also connected with water inlet pipe on the export pipeline of secondary filter 13 by piping connection
Road, inlet pipeline are equipped with inlet valve 14.
The liquid-supplying system sets Packed fluid reservoir 15, and opening is equipped at the top of fluid reservoir 15, and opening is equipped with sealing cover
It is sealed；The side at 15 top of fluid reservoir is additionally provided with the respirator 16 for being connected to tank body inner air and outer air；The side wall of fluid reservoir 15
It is equipped with the water level detector 2 for protruding into tank interior；The outside of fluid reservoir 15 is equipped with upper liquid valve 17, the second level of the liquid mixing system
13 export pipeline of filter connects the entrance of upper liquid valve 17, and the outlet of upper liquid valve 17 connects liquor charging pipeline, and liquor charging pipeline protrudes into storage
In flow container 15 and its outlet extends to 15 center upper portion position of fluid reservoir, and the exit of liquor charging pipeline is also connected with spray head 12；Storage
The bottom of flow container 15 is equipped with outlet tube road and is connected with the entrance of circulating pump 18, and the outlet tube road of 15 bottom of fluid reservoir is additionally provided with
Liquid storage discharge branch is connected to discharge pipe 7, and liquid storage discharge branch road is equipped with liquid storage drain valve 19；The outlet of circulating pump 18 passes through
The entrance of piping connection feed flow port 20, the outlet connection circulating valve 21 of feed flow port 20 and the entrance for replacing valve 22, circulating valve
By piping connection to fluid reservoir 15, the outlet for replacing valve 22 passes through piping connection to discharge pipe 7 for 21 outlet.
As shown in Figure 3-4, the feed flow port 20 includes multiple subports 23 being serially connected on 18 export pipeline of circulating pump,
By multiple subports 23, Xiang Duotai haemodialysis control unit carries out feed flow simultaneously.The subport 23 is connect using a H-shaped twin-tube
First 24, the export pipeline of two contacts series connection access circulating pump 18 of 24 front end of H-shaped duplex pipe fitting, H-shaped duplex pipe fitting 24
Two contacts of rear end are respectively provided with a self-closed type quick coupling base；Each subport 23 is also equipped with a short circuit bend pipe 25
As auxiliary, the both ends for being shorted bend pipe 25 are respectively provided with a quick coupling, sterilize when rinsing that short circuit bend pipe 25 is quick by two
Connector is docked in two quick coupling bases of 24 rear end of H-shaped duplex pipe fitting, and access is consequently formed, and it is dead to avoid the occurrence of cleaning
Angle.
Conductivity meter 5, temp probe 3, heating rod 4, water level of this system equipped with PLC as controller, in liquid mixing system
Water level detector 2 in detector 2 and liquid-supplying system is connected with PLC, and mixing pump 6 in liquid mixing system matches liquid drain valve
8, valve 9, shower valve 10, inlet valve 14 and the circulating pump 18 in liquid-supplying system, upper liquid valve 17, liquid storage drain valve 19, circulation are stirred
Valve 21, displacement valve 22 are controlled by PLC.The dialysis concentrate automatic liquid matching liquid-supplying system is additionally provided with touch screen as operation circle
Face, touch screen are connected with PLC, and user is manipulated by touch screen to the operation of system and parameter setting.
When this dialysis concentrate automatic liquid matching liquid-supplying system is carried out with liquid, quantitative dialysis dry powder is first put into liquid mixing system
Agitation Tank 1 in, then controlled by PLC and close upper liquid valve 14 and shower valve 10 and open inlet valve 14 and stirring valve 9, make reverse osmosis
Water enters in Agitation Tank 1 through two-stage filter 11,13 and stirring valve 9, and starting mixing pump 6 makes water flow from going out with liquid stirring pipeline
Mouth is continuous to be sprayed, and is allowed the water in Agitation Tank 1 to form the vortex stirred, is dissolved dialysis dry powder sufficiently, while in fact by conductivity meter 5
When detection match the conductivity of liquid, inlet valve 14 is closed when reaching setting value with the conductivity of liquid, stops water inlet, mixing pump 6 after
Continuous work for a period of time, until dosing concentration stablize.When temp probe 3 detects that dosing temperature is too low, can also be controlled by PLC
Heating rod 4 is heated to liquid, to control solution temperature.
It after the completion of preparation process with liquid, is controlled by PLC and opens upper liquid valve 17, close stirring valve 9, it will be through by mixing pump 6
Clean being delivered in the fluid reservoir 15 of liquid-supplying system with liquid through upper liquid valve 17 of the filtering of two-stage filter 11,13 stores.By liquid storage
When 15 external feed flow of tank, the liquid flowing tube road of more haemodialysis control units is directly connected to each of feed flow port 20 by quick coupling
In subport 23.
When this dialysis concentrate automatic liquid matching liquid-supplying system carries out disinfection, thimerosal is poured into Agitation Tank 1, by PLC
Control closes inlet valve 14 and upper liquid valve 17 and simultaneously opens stirring valve 9 and shower valve 10, starts mixing pump 6, and thimerosal is from Agitation Tank 1
Spray head 12 and sprayed simultaneously with liquid stirring pipeline, to realize to inside Agitation Tank 1 and the pipeline of liquid mixing system follows
Ring disinfection.It after the completion of liquid mixing system disinfection, turns off stirring valve 9 and shower valve 10 and opens upper liquid valve 17, thimerosal is from liquid storage
The spray head 12 of tank 15 is sprayed to being rinsed inside fluid reservoir 15, and short circuit bend pipe 25 is docked to the H-shaped duplex of subport 23
On pipe fitting 24, the tail end dead point of each subport 23 is made to become access, starts circulating pump 18, alternately open circulating valve 21 and displacement
Valve 22 then closes displacement valve 22 when circulating valve 21 is opened, and then closes circulating valve 21 when replacing valve 22 and opening, is achieved in pair
Emptying for liquid-supplying system pipeline and being sufficiently displaced from for liquid.Inlet valve 14 is also opened after the completion of disinfecting steps, with reverse osmosis water pair
Liquid mixing system and liquid-supplying system and pipeline carry out multipass flushing, and the process of flushing and the process of disinfection are similar, when reverse osmosis water enters
Back flush can be carried out to two-stage filter 11,13, extend the service life of filter core.Remaining wash water can be through matching in Agitation Tank 1
Liquid drain valve 8 is emitted into discharge pipe 7, and remaining wash water can be emitted into discharge pipe 7 through liquid storage drain valve 19 in fluid reservoir 15.
Above-mentioned legend is only the exemplary embodiments of the utility model, is not intended to limit the utility model, all practical at this
Made any modification or equivalent replacement and improvement etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (5)
1. a kind of dialysis concentrate automatic liquid matching liquid-supplying system, it is characterized in that: including liquid mixing system and liquid-supplying system two large divisions；
The liquid mixing system is equipped with Agitation Tank (1), and feeding port is equipped at the top of Agitation Tank (1), and feeding port is equipped with lid；Agitation Tank
(1) side wall is equipped with water level detector (2), temp probe (3), heating rod (4), the conductivity meter (5) for protruding into tank interior
Probe, the display module setting of conductivity meter (5) is external in Agitation Tank (1) and is connected with the probe of conductivity meter (5)；Match
The bottom of flow container (1) is equipped with outlet tube road and is connected with the entrance of mixing pump (6), and the outlet tube road of Agitation Tank (1) bottom is also
Equipped with discharge pipe (7) are connected to liquid discharge branch, it is equipped with liquid discharge branch road with liquid drain valve (8)；Mixing pump (6)
It is stirred valve (9) by the entrance of the entrance and grade one filter (11) of piping connection stirring valve (9) and shower valve (10) outlet
Outlet connection stir pipeline with liquid, stretched in Agitation Tank (1) with liquid stirring pipeline, liquid is matched in the outlet of shower valve (10) connection
Spray pipeline protrudes into Agitation Tank (1) with liquid spray pipeline and its outlet extends to Agitation Tank (1) center upper portion position, sprays with liquid
The exit on shower pipe road is also connected with spray head (12)；The outlet of grade one filter (11) passes through piping connection secondary filter
(13) entrance, the outlet of secondary filter (13) pass through piping connection to liquid-supplying system, in the outlet of secondary filter (13)
Inlet pipeline is also connected on pipeline, inlet pipeline is equipped with inlet valve (14)；
The liquid-supplying system is set Packed fluid reservoir (15), and opening is equipped at the top of fluid reservoir (15), and opening is equipped with sealing cover
It is sealed；Side at the top of fluid reservoir (15) is additionally provided with the respirator (16) for being connected to tank body inner air and outer air；Fluid reservoir (15)
Side wall be equipped with and protrude into the water level detector (2) of tank interior；The outside of fluid reservoir (15) is equipped with upper liquid valve (17), described to match
The outlet of the entrance of secondary filter (13) export pipeline connection upper liquid valve (17) of liquid system, upper liquid valve (17) connects liquid pushing tube
Road, liquor charging pipeline protrudes into fluid reservoir (15) and its outlet extends to fluid reservoir (15) center upper portion position, the outlet of liquor charging pipeline
Place is also connected with spray head (12)；The bottom of fluid reservoir (15) is equipped with outlet tube road and is connected with the entrance of circulating pump (18), stores up
The outlet tube road of flow container (15) bottom is additionally provided with liquid storage discharge branch and is connected to discharge pipe (7), and liquid storage discharge branch road is set
There are liquid storage drain valve (19)；The outlet of circulating pump (18) passes through the entrance of piping connection feed flow port (20), feed flow port (20)
Outlet connection circulating valve (21) and replace the entrance of valve (22), the outlet of circulating valve (21) passes through piping connection to fluid reservoir
(15), the outlet for replacing valve (22) passes through piping connection to discharge pipe (7)；
Conductivity meter (5), temp probe (3), heating rod (4), water of this system equipped with PLC as controller, in liquid mixing system
Water level detector (2) in location probe (2) and liquid-supplying system is connected with PLC, and mixing pump (6) in liquid mixing system is matched
Liquid drain valve (8), stirring valve (9), shower valve (10), inlet valve (14) and circulating pump (18), upper liquid valve in liquid-supplying system
(17), liquid storage drain valve (19), circulating valve (21), displacement valve (22) are controlled by PLC.
2. dialysis concentrate automatic liquid matching liquid-supplying system according to claim 1, it is characterized in that: the dialysis concentrate is certainly
Dynamic to be additionally provided with touch screen as operation interface with liquid liquid-supplying system, touch screen is connected with PLC.
3. dialysis concentrate automatic liquid matching liquid-supplying system according to claim 1, it is characterized in that: described stir pipeline with liquid
Outlet it is tangentially-arranged along the arc surface of Agitation Tank (1) inner wall.
4. dialysis concentrate automatic liquid matching liquid-supplying system according to claim 1, it is characterized in that: the feed flow port (20)
Including multiple subports (23) being serially connected on circulating pump (18) export pipeline, pass through multiple subports (23) while Xiang Duotai blood
Liquid dialysis machine carries out feed flow.
5. dialysis concentrate automatic liquid matching liquid-supplying system according to claim 4, it is characterized in that: the subport (23) is adopted
With a H-shaped duplex pipe fitting (24), two contacts series connection access circulating pump (18) of H-shaped duplex pipe fitting (24) front end goes out
Mouth pipeline, two contacts of H-shaped duplex pipe fitting (24) rear end are respectively provided with a self-closed type quick coupling base；Every height end
Mouth (23) is also equipped with a short circuit bend pipe (25) as auxiliary, and the both ends for being shorted bend pipe (25) are respectively provided with a quick coupling, disappear
Poison will be shorted two quick couplings that bend pipe (25) are docked at H-shaped duplex pipe fitting (24) rear end by two quick couplings when rinsing
In base.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820271623.6U CN208770507U (en) | 2018-02-26 | 2018-02-26 | Dialysis concentrate automatic liquid matching liquid-supplying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820271623.6U CN208770507U (en) | 2018-02-26 | 2018-02-26 | Dialysis concentrate automatic liquid matching liquid-supplying system |
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| CN208770507U true CN208770507U (en) | 2019-04-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110975037A (en) * | 2019-12-18 | 2020-04-10 | 贵州省人民医院 | Centralized liquid supply system for cross conveying with low outage rate and use method thereof |
-
2018
- 2018-02-26 CN CN201820271623.6U patent/CN208770507U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110975037A (en) * | 2019-12-18 | 2020-04-10 | 贵州省人民医院 | Centralized liquid supply system for cross conveying with low outage rate and use method thereof |
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