CN214790523U - Centralized liquid supply system convenient for liquid preparation - Google Patents
Centralized liquid supply system convenient for liquid preparation Download PDFInfo
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- CN214790523U CN214790523U CN202121419935.5U CN202121419935U CN214790523U CN 214790523 U CN214790523 U CN 214790523U CN 202121419935 U CN202121419935 U CN 202121419935U CN 214790523 U CN214790523 U CN 214790523U
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Abstract
The utility model discloses a centralized liquid supply system convenient for liquid distribution, which comprises a water inlet valve and a liquid distribution barrel, wherein one end of the water inlet valve is connected with a water inlet pipe, the other end of the water inlet valve is respectively communicated with a water inlet valve of the liquid distribution barrel, a liquid discharge valve, a drain valve of a powder feeding barrel and an inlet of a liquid distribution pump, and the water inlet valve of the liquid distribution barrel is connected with the liquid distribution barrel; the other end of the drain valve of the powder feeding barrel is connected with the powder feeding barrel and the liquid distribution valve of the powder feeding barrel; the outlet of the liquid distribution pump is connected to the other end of the liquid distribution valve of the powder feeding barrel, the spraying valve of the powder feeding barrel and the liquid storage barrel; the other end of the powder feeding barrel spray valve is connected with a powder feeding barrel spray head arranged in the powder feeding barrel, and a liquid distribution pipe communicated with each other is arranged between the powder feeding barrel and the liquid distribution barrel. Some examples of the utility model can accomplish the height that can not increase the powder bucket of throwing more than 300L to join in marriage the liquid bucket, conveniently throw the powder. And the liquid can be prepared in advance.
Description
Technical Field
The utility model relates to a medical treatment field, concretely relates to hemodialysis field, especially hemodialysis concentrate centralized liquid supply system.
Background
The centralized liquid supply system is a device which prepares dialysis powder into concentrated solution and then conveys the concentrated solution to a dialysis machine through a pipeline. The centralized liquid supply system can greatly facilitate the operation of hemodialysis and is more and more popular with people. Many blood compartments or blood purification centers over 50 beds employ centralized liquid supply systems.
The existing centralized liquid supply system generally adopts manual powder feeding operation, the complexity of the operation is barely acceptable for a blood purification center with a small number of users, for a large blood purification center, in order to meet the requirements of patients, the amount of liquid preparation for one time generally exceeds 250L, a liquid preparation barrel with higher height and larger diameter needs to be used, correspondingly, the amount of powder feeding for one time can also be increased, a special step needs to be additionally arranged to help powder feeding, the occupied area is larger, and the labor intensity of liquid preparation is further increased.
In addition, the traditional centralized liquid supply system does not have the function of reserving liquid preparation, because the powder feeding barrel and the liquid preparation barrel are the same barrel, the water needs to be fed into the liquid preparation barrel first, the liquid level sensor detects that the liquid level reaches a specified value, the powder can be manually fed for liquid preparation, liquid preparation personnel must catch up with the dialysis liquid prepared before dialysis of the patient every morning, and thus the liquid preparation personnel must start to prepare the dialysis liquid in advance every morning. There is a need for further improvements to conventional centralized liquid supply systems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a convenient hemodialysis concentrate centralized liquid supply system who joins in marriage liquid.
The utility model adopts the technical proposal that:
a centralized liquid supply system, which comprises a water inlet valve and a liquid distribution barrel,
one end of the water inlet valve is connected with a water inlet pipe, the other end of the water inlet valve is respectively communicated with a water inlet valve of the liquid preparation barrel, a liquid discharge valve, a drain valve of the powder feeding barrel and an inlet of the liquid preparation pump, and the water inlet valve of the liquid preparation barrel is connected with the liquid preparation barrel;
the other end of the drain valve of the powder feeding barrel is connected with the powder feeding barrel and the liquid distribution valve of the powder feeding barrel;
the outlet of the liquid distribution pump is connected to the other end of the liquid distribution valve of the powder feeding barrel, the spray valve of the powder feeding barrel and the liquid storage barrel;
the other end of the powder feeding barrel spray valve is connected with a powder feeding barrel spray head arranged in the powder feeding barrel;
and a liquid distribution pipe which is communicated with the powder feeding barrel and the liquid distribution barrel is arranged between the powder feeding barrel and the liquid distribution barrel, and the liquid distribution pipe is provided with a liquid distribution valve.
In some examples, the outlet of the liquid distribution pump is also connected to a liquid distribution barrel spray valve, and the other end of the liquid distribution barrel spray valve is connected to a liquid distribution barrel spray head arranged in the liquid distribution barrel.
In some examples, the dispensing cartridge is provided with at least one of a dispensing cartridge breather, a dispensing cartridge level sensor, and a conductivity sensor.
In some examples, the upper part of the powder feeding barrel is connected with a powder feeding barrel breather valve, and the powder feeding barrel breather valve is connected with a powder feeding barrel breather.
In some examples, a transfer valve is arranged on a pipeline between the outlet of the liquid distribution pump and the liquid storage barrel.
In some examples, a filter is disposed on the pipeline between the transfer valve and the reservoir.
In some examples, the liquid storage barrel is provided with a liquid storage barrel spray head.
In some examples, the liquid storage barrel is communicated with the split charging valve, the liquid supply pump and the liquid storage barrel drain valve through pipelines.
In some examples, the outlet of the liquid supply pump is connected to a hemodialysis machine, and the hemodialysis machine is respectively connected with the liquid storage barrel and the waste liquid outlet through a three-way liquid return valve.
In some examples, the liquid supply pump is connected in series with a circulation pump.
In some examples, the reservoir is further provided with at least one of a reservoir level sensor and a reservoir ventilator.
The utility model has the advantages that:
the utility model discloses a some examples, join in marriage the liquid bucket and throw powder bucket mutual independence, can accomplish above 300L but can not increase the height of throwing the powder bucket joining in marriage the liquid bucket, conveniently throw the powder.
The utility model discloses a liquid can be joined in marriage in the reservation to some examples, very big having made things convenient for and joined in marriage the liquid operation, has alleviateed operating personnel's intensity of labour by a wide margin.
Some examples of the utility model can conveniently carry out online cleaning to the liquid preparation bucket, throw powder bucket, stock solution bucket and corresponding pipeline.
Drawings
Fig. 1 is a schematic structural view of some examples of the present invention. In the figure, 1-water inlet valve, 2-liquid discharge valve, 3-powder feeding barrel water discharge valve, 4-liquid dispensing pump, 5-powder feeding barrel liquid dispensing valve, 6-powder feeding barrel spray valve, 7-transfer valve, 8-liquid storage barrel liquid level sensor, 9-liquid storage barrel water discharge valve, 10-liquid storage barrel ball valve, 11-circulating pump, 12-dispensing valve, 13-liquid supply pump 1, 14-liquid supply pump 2, 15-three-way liquid return valve, 16-liquid storage barrel, 17-liquid storage barrel spray head, 18-liquid storage barrel respirator, 19-precision filter, 20-powder feeding barrel respirator, 21-liquid dispensing barrel spray valve, 22-powder feeding barrel spray head, 23-powder feeding barrel, 24-liquid dispensing valve, 25-liquid dispensing barrel, 26-liquid dispensing barrel respirator, 27-liquid dispensing barrel spray head, 28-conductivity sensor, 29-liquid level sensor of liquid distribution barrel, 30-water inlet valve of liquid distribution barrel and 31-breather valve of powder feeding barrel.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other elements or indirectly connected through one or more other elements or in an interactive relationship between two elements.
The following disclosure provides many different embodiments or examples for implementing different aspects of the invention.
The technical scheme of the utility model is further explained below with the attached drawings.
Referring to fig. 1, a centralized liquid supply system comprises a water inlet valve 1 and a liquid distribution barrel 25, wherein one end of the water inlet valve 1 is connected with a water inlet pipe, the other end of the water inlet valve 1 is respectively communicated with a water inlet valve 30 of the liquid distribution barrel, a liquid discharge valve 2, a powder feeding barrel drain valve 3 and an inlet of a liquid distribution pump, and the water inlet valve 30 of the liquid distribution barrel is connected with the liquid distribution barrel 25;
the other end of the drain valve 3 of the powder feeding barrel is connected with the powder feeding barrel 23 and the liquid distribution valve 5 of the powder feeding barrel;
the outlet of the liquid dispensing pump 4 is connected to the other end of the powder feeding barrel liquid dispensing valve 5, the powder feeding barrel spray valve 6 and the liquid storage barrel 16;
the other end of the powder feeding barrel spray valve 6 is connected with a powder feeding barrel spray head 22 arranged in the powder feeding barrel 23;
a liquid distribution pipe is arranged between the powder feeding barrel 23 and the liquid distribution barrel 25, and the liquid distribution pipe is provided with a liquid distribution valve 24.
In some examples, the outlet of the liquid dispensing pump 4 is also connected to a dispensing barrel spray valve 21, and the other end of the dispensing barrel spray valve 21 is connected to a dispensing barrel spray header 27 disposed in the dispensing barrel.
When the liquid is prepared, the dialysis powder is put into the powder feeding barrel 23 in advance for storage, and the powder feeding barrel 23 is a closed container, so that the quality of the dialysis powder is not influenced. Setting the powder feeding amount and reserving the liquid preparation time, and when the reserved liquid preparation time is up, enabling reverse osmosis water to enter the liquid preparation barrel 25 from the water inlet valve 1 through the water inlet valve 30 of the liquid preparation barrel to reach a preset liquid level. Opening a liquid distribution valve 5 and a liquid distribution valve 24 of the powder feeding barrel, closing a drain valve 3 of the powder feeding barrel, a spray valve 6 of the powder feeding barrel, a transfer valve 7, a spray valve 21 of the liquid distribution barrel and a breather valve 31 of the powder feeding barrel, starting a liquid distribution pump 4, pumping reverse osmosis water from a liquid distribution barrel 25, flushing the reverse osmosis water into a powder feeding barrel 23 through the liquid distribution valve 5 of the powder feeding barrel, and slowly dissolving dialysis powder under water flow impact to form concentrated liquid. The concentrated solution returns to the solution preparation barrel 25 from the powder feeding barrel 23 through the solution preparation valve 24 under the action of the pump, and the circulation is carried out until the preparation requirement is met. In order to make the prepared liquid more uniform, the liquid preparation valve 5 of the powder barrel can be further closed, the spraying valve 21 of the liquid preparation barrel is opened, and the liquid preparation pump 4 is started to further circulate the liquid in the liquid preparation barrel 25 to the liquid preparation barrel 25 through the spraying head 27 of the liquid preparation barrel.
During on-line cleaning, the liquid preparation barrel spray head 27 and the powder feeding barrel spray head 22 are used for spraying and washing by controlling the opening and closing combination of different valves.
In some examples, the dispensing barrel 25 is provided with at least one of a dispensing barrel breather 26, a dispensing barrel level sensor 28, and a conductivity sensor 29. Preferably, the liquid preparation barrel 25 is provided with a liquid preparation barrel respirator 26, a liquid preparation barrel liquid level sensor 28 and a conductivity sensor 29 at the same time. By arranging the liquid preparation barrel respirator 26, the pressure balance in the liquid preparation barrel can be ensured, and meanwhile, the liquid medicine in the liquid preparation barrel can be ensured not to contact with the outside air. The liquid level sensor 29 of the liquid distribution barrel can monitor the liquid level in the liquid distribution barrel, and automatic control is convenient to realize. The conductivity sensor 28 can monitor the conductivity of the liquid medicine in real time, so as to determine whether the liquid medicine is qualified.
In some examples, the upper part of the powder feeding barrel is connected with a breather valve 31 of the powder feeding barrel, and the breather valve 31 of the powder feeding barrel is connected with a breather 20 of the powder feeding barrel, so that the pressure balance in the powder feeding barrel can be ensured, and meanwhile, the powder feeding barrel can be ensured to be a closed container.
In some examples, a transfer valve 7 is arranged on a pipeline between the outlet of the liquid dispensing pump 4 and the liquid storage barrel 16.
In some examples, a precision filter 19 is arranged on a pipeline between the transfer valve 7 and the liquid storage barrel 16. The liquid medicine can be further purified by using a precision filter.
In some examples, the reservoir 16 is provided with a reservoir showerhead 17. The liquid medicine entering the liquid storage barrel can be ensured to be more uniform through the action of the liquid storage barrel spray head 17. The liquid storage barrel 16 is conveniently cleaned by the liquid storage barrel spray head 17 in the follow-up process.
In some examples, the liquid storage barrel 16 is communicated with the split charging valve 12, the liquid supply pump 13 and the liquid storage barrel drain valve 9 through pipelines.
In some examples, the outlet of the fluid supply pump 13 is connected to a hemodialysis machine, each of which is connected in parallel with each other, and the hemodialysis machine is connected to the reservoir 16 and a waste fluid outlet through a three-way fluid return valve 15, respectively, wherein unused medical fluid is returned to the reservoir 16 and used medical fluid is discharged through the waste fluid outlet.
In some examples, the liquid supply pump 13 is also connected in series with the liquid supply pump 14 and/or the circulation pump 11. The liquid supply pump 14 and the liquid supply pump 13 are mutually standby machines and can work alternately to ensure the stable operation of the liquid supply system and prolong the service life of the pump. The circulation pump 11 has a large flow rate, and can provide a large flow rate in the initial stage of the system operation, so as to remove air in the system and avoid air residue.
In some examples, the reservoir 16 is further provided with at least one of a reservoir level sensor 8 and a reservoir breather 18. The liquid level sensor 8 of the liquid storage barrel can better display the liquid level of the liquid storage barrel, and the breather 18 of the liquid storage barrel can further average the pressure inside and outside the barrel. Preferably, the liquid storage barrel 16 is also provided with a liquid storage barrel liquid level sensor 8 and a liquid storage barrel respirator 18.
The above is a further detailed description of the present invention and should not be considered as limiting the practice of the present invention. To the ordinary skilled person in the technical field that the utility model belongs to, the simple deduction or the replacement that does not depart from the inventive concept is all within the scope of the utility model.
Claims (10)
1. A centralized liquid supply system comprises a water inlet valve and a liquid distribution barrel, and is characterized in that:
one end of the water inlet valve is connected with a water inlet pipe, the other end of the water inlet valve is respectively communicated with a water inlet valve of the liquid preparation barrel, a liquid discharge valve, a drain valve of the powder feeding barrel and an inlet of the liquid preparation pump, and the water inlet valve of the liquid preparation barrel is connected with the liquid preparation barrel;
the other end of the drain valve of the powder feeding barrel is connected with the powder feeding barrel and the liquid distribution valve of the powder feeding barrel;
the outlet of the liquid distribution pump is connected to the other end of the liquid distribution valve of the powder feeding barrel, the spraying valve of the powder feeding barrel and the liquid storage barrel;
the other end of the powder feeding barrel spray valve is connected with a powder feeding barrel spray head arranged in the powder feeding barrel;
and a liquid distribution pipe which is communicated with the powder feeding barrel and the liquid distribution barrel is arranged between the powder feeding barrel and the liquid distribution barrel, and the liquid distribution pipe is provided with a liquid distribution valve.
2. The centralized liquid supply system of claim 1, wherein: the outlet of the liquid distribution pump is also connected to a liquid distribution barrel spray valve, and the other end of the liquid distribution barrel spray valve is connected with a liquid distribution barrel spray head arranged in the liquid distribution barrel.
3. The centralized liquid supply system of claim 1, wherein: the liquid preparation barrel is provided with at least one of a liquid preparation barrel respirator, a liquid level sensor of the liquid preparation barrel and a conductivity sensor.
4. The centralized liquid supply system of claim 1, wherein: the upper part of the powder feeding barrel is connected with a breather valve of the powder feeding barrel, and the breather valve of the powder feeding barrel is connected with a breather of the powder feeding barrel.
5. The centralized liquid supply system of claim 1, wherein: and a delivery valve is arranged on a pipeline between the outlet of the liquid distribution pump and the liquid storage barrel.
6. The centralized liquid supply system of claim 5, wherein: and a filter is arranged on a pipeline between the transfer valve and the liquid storage barrel.
7. The centralized liquid supply system of claim 1, wherein: the liquid storage barrel is provided with a liquid storage barrel spray head.
8. The centralized liquid supply system of claim 1, wherein: the liquid storage barrel is communicated with the split charging valve, the liquid supply pump and a drain valve of the liquid storage barrel through pipelines.
9. The centralized liquid supply system of claim 8, wherein: the outlet of the liquid supply pump is connected to a hemodialysis machine, and the hemodialysis machine is respectively connected with the liquid storage barrel and the waste liquid outlet through a three-way liquid return valve.
10. The centralized liquid supply system of any one of claims 1 and 7 to 9, wherein: the liquid storage barrel is also provided with at least one of a liquid storage barrel liquid level sensor and a liquid storage barrel respirator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121419935.5U CN214790523U (en) | 2021-06-25 | 2021-06-25 | Centralized liquid supply system convenient for liquid preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121419935.5U CN214790523U (en) | 2021-06-25 | 2021-06-25 | Centralized liquid supply system convenient for liquid preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214790523U true CN214790523U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121419935.5U Active CN214790523U (en) | 2021-06-25 | 2021-06-25 | Centralized liquid supply system convenient for liquid preparation |
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| Country | Link |
|---|---|
| CN (1) | CN214790523U (en) |
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2021
- 2021-06-25 CN CN202121419935.5U patent/CN214790523U/en active Active
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