CN214456818U - Medicine adding device - Google Patents
Medicine adding device Download PDFInfo
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- CN214456818U CN214456818U CN202120601405.6U CN202120601405U CN214456818U CN 214456818 U CN214456818 U CN 214456818U CN 202120601405 U CN202120601405 U CN 202120601405U CN 214456818 U CN214456818 U CN 214456818U
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Abstract
The utility model provides a dosing device, include: the device comprises a liquid medicine storage tank, a medicine unloading pipeline with a first flow control device, a medicine conveying pipeline with a second flow control device and a medicine taking pipeline; the medicine unloading pipeline pumps the medicine liquid from the medicine unloading vehicle into the medicine liquid storage tank through the medicine unloading pump; the liquid medicine storage tank is connected with the medicine conveying pipeline through a first ball valve, and the medicine conveying pipeline pumps the liquid medicine from the liquid medicine storage tank to a medicine taking point through a medicine conveying pump; the medicine pipeline is connected with the medicine delivery pipeline through a backpressure valve. The utility model discloses can prevent to appear in the actual engineering and arrange that when the liquid medicine liquid level is higher than the point pipeline position of using medicine in the liquid medicine storage tank, the liquid medicine takes place the phenomenon of flowing automatically from the storage tank, perhaps because there is pressure production "siphon" phenomenon in the point pipeline of using medicine to make the liquid medicine flow in to the pipeline of using medicine from the liquid medicine storage tank, causes and also can make the liquid medicine flow in to the pipeline of using medicine under the condition that need not to use the liquid medicine, uses the utility model discloses the steady operation of medicine system has been guaranteed.
Description
Technical Field
The utility model belongs to the technical field of the medicine equipment system technique and specifically relates to a charge device is related to.
Background
At present, the liquid medicine pump that conventional medicine system device all adopted the use to unload the medicine pump and will unload the medicine car is gone into to the liquid medicine storage tank, then use the liquid medicine pump of defeated medicine pump with the liquid medicine storage tank to go into to the pipeline of using medicine, this mode of setting is if the liquid medicine liquid level takes place the phenomenon of flowing automatically in the liquid medicine storage tank when appearing in the liquid medicine storage tank liquid medicine liquid level in the actual engineering arrangement, perhaps because there is pressure production "siphon" phenomenon in the pipeline of using medicine to make the liquid medicine flow into to the pipeline of using medicine from the liquid medicine storage tank, cause and also can make the liquid medicine flow into to the pipeline of using medicine under the condition that need not to use the liquid medicine, the while has also caused a large amount of wastes of liquid medicine, seriously influence engineering medicine demand, can's target of follow-up system steady operation can's unable satisfied.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a charge device can guarantee whole charge system steady operation, possesses very big economic nature and security simultaneously.
The utility model provides a dosing device, include: the device comprises a liquid medicine storage tank, a medicine unloading pipeline with a first flow control device, a medicine conveying pipeline with a second flow control device and a medicine taking pipeline; the medicine unloading pipeline pumps the medicine liquid from the medicine unloading vehicle into the medicine liquid storage tank through the medicine unloading pump; the liquid medicine storage tank is connected with the medicine conveying pipeline through a first ball valve, and the medicine conveying pipeline pumps the liquid medicine from the liquid medicine storage tank to a medicine taking point through a medicine conveying pump; the medicine pipeline is connected with the medicine delivery pipeline through a backpressure valve.
Further, the first flow rate control means includes: the medicine discharging device comprises a butterfly valve and a first pressure gauge, wherein the butterfly valve and the first pressure gauge are arranged on a medicine discharging pipeline, the first pressure gauge is arranged at an outlet of a medicine discharging pump, and the butterfly valve is arranged at one end close to the medicine liquid storage tank.
Further, still include the setting between butterfly valve and the first manometer first check valve.
Further, the second flow rate control device includes: the second ball valve, the second pressure gauge and the flowmeter are arranged on the medicine delivery pipeline, the flowmeter is arranged at one end close to the medicine delivery pipeline, the second pressure gauge is arranged at the outlet of the medicine delivery pump, and the second ball valve is arranged between the second pressure gauge and the flowmeter.
Further, the pressure sensor also comprises a second check valve arranged between the second ball valve and the second pressure gauge.
Further, the medicine-feeding device also comprises a Y-shaped filter arranged between the first ball valve and the medicine-feeding pump.
Furthermore, the number of the medicine conveying pipelines is two, and the two medicine conveying pipelines are connected in parallel.
Further, a liquid level meter is arranged on the liquid medicine storage tank.
Furthermore, the device also comprises a dehumidification and carbon removal pipeline, and the dehumidification and carbon removal pipeline is connected with the liquid medicine storage tank.
Compared with the prior art, the beneficial effects of the utility model are that: a back pressure valve is arranged between the medicine delivery pipeline and the medicine administration pipeline, and has the characteristics that when the system pressure is lower than the set pressure, the diaphragm blocks the pipeline under the action of the elastic force of the spring, when the system pressure is higher than the set pressure, the diaphragm compresses the spring, the pipeline is communicated, and the liquid passes through the back pressure valve; meanwhile, in the state of unstable pressure of a pipeline or an equipment container, the backpressure valve can keep the pressure required by the pipeline, so that the medicine delivery pipeline can normally output flow; in addition, the backpressure valve can reduce the flow and pressure fluctuation caused by siphon, thereby increasing the safety during debugging and operation and facilitating debugging and production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a dosing device according to an embodiment of the present invention.
Description of reference numerals:
1: a liquid medicine storage tank; 2: a drug discharge pipeline; 3: a drug delivery line; 4: a medication pipeline; 5: a drug discharge pump; 6: a first ball valve; 7: a drug delivery pump; 8: a back pressure valve; 9: a butterfly valve; 10: a first pressure gauge; 11: a first check valve; 12: a second ball valve; 13: a second pressure gauge; 14: a flow meter; 15: a second check valve; 16: a Y-type filter; 17: a liquid level meter; 18: dehumidification and carbon removal pipelines.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, a drug administration device comprises: a liquid medicine storage tank 1, a medicine unloading pipeline 2 with a first flow control device, a medicine conveying pipeline 3 with a second flow control device and a medicine using pipeline 4. The medicine unloading pipeline 2 pumps the medicine liquid into the medicine liquid storage tank 1 from the medicine unloading vehicle through the medicine unloading pump 5, the medicine liquid storage tank 1 is connected with the medicine conveying pipeline 3 through the first ball valve 6, the medicine conveying pipeline 3 pumps the medicine liquid into a medicine taking point through the medicine liquid storage tank 1 through the medicine conveying pump 7, and the medicine taking pipeline 4 is connected with the medicine conveying pipeline 3 through the backpressure valve 8.
The back pressure valve 8 has the characteristics that when the system pressure is lower than the set pressure, the diaphragm blocks the pipeline under the action of the elastic force of the spring, and when the system pressure is higher than the set pressure, the diaphragm compresses the spring, the pipeline is communicated, and liquid passes through the back pressure valve 8. Meanwhile, under the condition that the pressure of a pipeline or an equipment container is unstable, the backpressure valve 8 can keep the pressure required by the pipeline, so that the medicine delivery pump 7 can normally output the flow. In addition, a siphon phenomenon often occurs at the outlet end of the drug delivery pump 7 due to gravity or other action, and the back pressure valve 8 can reduce the flow and pressure fluctuation caused by the siphon phenomenon. Over-delivery occurs for drug delivery pump 7 operating at low system pressures.
The first flow control device includes: the butterfly valve 9 of setting on unloading medicine pipeline 2, first manometer 10 and first check valve 11, first manometer 10 set up in 5 exports of unloading medicine pump, and butterfly valve 9 sets up in the one end that is close to liquid medicine storage tank 1. A first check valve 11 is arranged between the butterfly valve 9 and the first pressure gauge 10.
The second flow control device includes: the second ball valve 12, the second pressure gauge 13, the flowmeter 14 and the second check valve 15 are arranged on the medicine conveying pipeline 3, the flowmeter 14 is arranged at one end close to the medicine conveying pipeline 4, the second pressure gauge 13 is arranged at the outlet of the medicine conveying pump 7, and the second ball valve 12 is arranged between the second pressure gauge 13 and the flowmeter 14. A second check valve 15 is disposed between the second ball valve 12 and the second pressure gauge 13. And a Y-filter 16 disposed between the first ball valve 6 and the drug delivery pump 7.
To prevent siphoning, the outlet of the drug delivery pump 7 must be back-pressurized to at least 0.7Bar, typically by installing a back-pressure valve 8 at the outlet of the drug delivery pump 7. The second check valve 15 and the Y-shaped filter 16 can prevent the liquid medicine of the medicine pipeline 4 from flowing back, and the arrangement mode can ensure the stable operation of the whole medicine adding system and has great economical efficiency and safety.
Two drug delivery pipelines 3 are arranged, and the two drug delivery pipelines 3 are connected in parallel. The chemical liquid tank 1 is provided with a liquid level meter 17. The dehumidification and carbon removal pipeline 18 is connected with the liquid medicine storage tank 1.
The medicine conveying pipeline 3 is used for pumping the medicine liquid into a medicine taking point through the medicine liquid storage tank 1 by the medicine conveying pump 7, the flow rate of the medicine liquid conveyed to the medicine taking point is controlled by the second ball valve 12, the first pressure gauge 10, the second pressure gauge 13 and the flow meter 14 through the medicine conveying pipeline 4, the medicine liquid backflow phenomenon of the medicine conveying pipeline 3 is prevented by the second check valve 15 and the Y-shaped filter 16, and the medicine liquid can not automatically flow or is siphoned to the medicine conveying pipeline through the backpressure valve 8 by controlling the medicine liquid according to pressure through the two medicine conveying pipelines 3 and the medicine taking pipeline 4.
When the liquid medicine discharging device is used specifically, in the initial stage of trial operation of the medicine adding device, namely, in the beginning of production, the liquid level of the liquid medicine of the medicine discharging vehicle is controlled by the liquid level meter 17 to enter the liquid level of the liquid medicine storage tank 1, and when the liquid level meets the system requirement, the liquid medicine is pumped into a medicine pipeline by the medicine conveying pump 7. The flow of the liquid medicine entering the medicine taking point is controlled through a butterfly valve 9, a flow meter 14, a first check valve 11, a second check valve 15, a second pressure gauge 13, a second ball valve 12, a back pressure valve 8 and a Y-shaped filter 16, and the medicine adding device is put into a normal operation program after operating normally.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. A medicated device, comprising: a liquid medicine storage tank (1), a medicine unloading pipeline (2) with a first flow control device, a medicine delivery pipeline (3) with a second flow control device and a medicine administration pipeline (4); the medicine unloading pipeline (2) pumps the medicine liquid from the medicine unloading vehicle into the medicine liquid storage tank (1) through a medicine unloading pump (5); the liquid medicine storage tank (1) is connected with the medicine conveying pipeline (3) through a first ball valve (6), and the medicine conveying pipeline (3) pumps the liquid medicine from the liquid medicine storage tank (1) to a medicine taking point through a medicine conveying pump (7); the medicine taking pipeline (4) is connected with the medicine conveying pipeline (3) through a backpressure valve (8).
2. The drug delivery device of claim 1, wherein the first flow control device comprises: the medicine discharging device comprises a butterfly valve (9) and a first pressure gauge (10) which are arranged on a medicine discharging pipeline (2), wherein the first pressure gauge (10) is arranged at an outlet of a medicine discharging pump (5), and the butterfly valve (9) is arranged at one end close to a liquid medicine storage tank (1).
3. The dosing device according to claim 2, further comprising a first check valve (11) arranged between the butterfly valve (9) and the first pressure gauge (10).
4. The medicated device of claim 1 wherein the second flow control means comprises: the medicine delivery device comprises a second ball valve (12), a second pressure gauge (13) and a flow meter (14) which are arranged on the medicine delivery pipeline (3), wherein the flow meter (14) is arranged at one end close to the medicine delivery pipeline (4), the second pressure gauge (13) is arranged at the outlet of the medicine delivery pump (7), and the second ball valve (12) is arranged between the second pressure gauge (13) and the flow meter (14).
5. The dosing device according to claim 4, further comprising a second check valve (15) arranged between the second ball valve (12) and the second pressure gauge (13).
6. The dosing device according to claim 5, further comprising a Y-filter (16) arranged between the first ball valve (6) and the drug delivery pump (7).
7. The dosing device according to claim 6, wherein two dosing lines (3) are provided, and wherein the two dosing lines (3) are connected in parallel.
8. The dosing device according to claim 1, characterized in that a level gauge (17) is arranged on the medical liquid tank (1).
9. The dosing device according to claim 1, further comprising a dehumidification and decarbonization line (18) connected to the chemical solution tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120601405.6U CN214456818U (en) | 2021-03-24 | 2021-03-24 | Medicine adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120601405.6U CN214456818U (en) | 2021-03-24 | 2021-03-24 | Medicine adding device |
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| CN214456818U true CN214456818U (en) | 2021-10-22 |
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| CN202120601405.6U Active CN214456818U (en) | 2021-03-24 | 2021-03-24 | Medicine adding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112897445A (en) * | 2021-03-24 | 2021-06-04 | 大唐环境产业集团股份有限公司 | Medicine adding device |
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2021
- 2021-03-24 CN CN202120601405.6U patent/CN214456818U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112897445A (en) * | 2021-03-24 | 2021-06-04 | 大唐环境产业集团股份有限公司 | Medicine adding device |
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