CN111420571A - Automatic online diluting device of medicament - Google Patents
Automatic online diluting device of medicament Download PDFInfo
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- CN111420571A CN111420571A CN202010236565.5A CN202010236565A CN111420571A CN 111420571 A CN111420571 A CN 111420571A CN 202010236565 A CN202010236565 A CN 202010236565A CN 111420571 A CN111420571 A CN 111420571A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/70—Pre-treatment of the materials to be mixed
- B01F23/708—Filtering materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
- B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/2132—Concentration, pH, pOH, p(ION) or oxygen-demand
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/71805—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings
- B01F35/718051—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings being adjustable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/83—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
- B01F35/833—Flow control by valves, e.g. opening intermittently
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—Treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention discloses an automatic online medicament diluting device, which comprises: vacuum ejector, high-efficient blender, concentration controller, first inlet tube, advance pencil and second inlet tube, its characterized in that: install the governing valve of intaking on the first inlet tube for adjust dilution water source inlet flow, be provided with the backwash filter in one side of governing valve of intaking, mutual fixed connection between backwash filter and the first inlet tube, the second inlet tube sets up in first inlet tube one side, through first connecting elbow interconnect between first inlet tube and the second inlet tube, installs a electromagnetic flowmeter on the second inlet tube. The invention can ensure the accuracy of the concentration of diluted medicines, has high speed, high efficiency, stable operation and simple and convenient operation, greatly reduces the labor cost, can effectively control the concentration deviation generated in the process of diluting the medicine, and has the advantages of simple operation, stable performance, wide application and high precision.
Description
Technical Field
The invention relates to the technical field of seawater desalination, in particular to an automatic online diluting device for a medicament.
Background
At present, a chemical agent is one of the necessary raw materials for the production process in the fields of water treatment industry, chemical industry, electric power industry and the like, and is limited by the transportation cost between production and use areas, so that the chemical agent is convenient to transport and store, is generally in an original state of medicament powder or concentrated solution, is temporarily configured, mixed and stored in a production site, and is added to a workshop production line through a medicament dissolving or diluting device.
In the current state of the art, there are several mainstream types of drug dilution devices: (1) the dilution proportion is controlled by controlling the rotating speed, the flow or the time of the medicament pump and the dilution pump, but along with the prolonging of the service time of the water pump, the aging and the faults of the water pump and the pipeline can influence the flow of a conveying medium of the water pump, thereby influencing the dilution proportion of the medicament and the water sample. (2) The micro-metering pump is used for accurately controlling the sample volume of the water sample and the medicament, but the micro-metering pump is high in cost and large in error when the dilution rate is large. (3) Carry out abundant mixing and stirring through large-scale container according to the medicament dilution ratio and have reached dilution concentration, carry to workshop production line through the medicament pump, but this mode area is big, and dilution rate is slow, and is inefficient, and the precision is low, and the controllability is poor, can not wash the pipeline on line.
The above-mentioned currently existing drug dilution devices also have the following disadvantages:
(1) the existing medicament diluting device is single in matched raw material, namely, only can be used for diluting a certain specific medicament and a specific diluting water source, and particularly relates to poor reusability.
(2) The existing medicament diluting device has the advantages of small adjustable range of the diluting process, complex structure, high cost, low efficiency, complex operation, poor controllability, large occupied space and low automation degree.
(3) The existing medicament diluting device is easy to cause the problem of medicament hardening on the inner wall of a conveying pipeline to cause unsmooth medicament adding or pipeline blockage.
(4) The existing medicament diluting device has poor mixing effect and is easy to cause the problem of medicament adding solution concentration deviation caused by insufficient medicament mixing.
(5) The diluting water source of the existing medicament diluting device is generally fresh water, the continuous time of the diluting process is long, the water consumption in unit time is large, and serious waste of fresh water resources is caused.
Therefore, there is a need for an automatic online dilution device for pharmaceutical preparations that can solve the above problems.
Disclosure of Invention
Aiming at the problems, the invention aims to provide an automatic medicament online diluting device, which is mainly used for the medicament diluting process of a pre-pretreatment unit of a seawater desalination system.
The technical scheme adopted by the invention for solving the technical problems is as follows: an automatic on-line medicament dilution device comprising: vacuum ejector, high-efficient blender, concentration controller, first inlet tube, advance pencil and second inlet tube, its characterized in that: the device comprises a first water inlet pipe, a second water inlet pipe, a vacuum ejector and a liquid medicine inlet pipe, wherein a water inlet regulating valve is arranged on the first water inlet pipe and used for regulating the inflow rate of a dilution water source, a backwashing filter is arranged on one side of the water inlet regulating valve and fixedly connected with the first water inlet pipe, the second water inlet pipe is arranged on one side of the first water inlet pipe, the first water inlet pipe and the second water inlet pipe are mutually connected through a first connecting elbow, a first electromagnetic flowmeter is arranged on the second water inlet pipe and used for feeding real-time flow monitoring data back to an external logic control system, a first check valve is arranged on the second water inlet pipe and positioned at the upper end of the first electromagnetic flowmeter, the vacuum ejector is arranged at the upper end of the liquid medicine inlet pipe, one end of the vacuum ejector is mutually connected with the second water inlet pipe through a second connecting elbow, and the lower end, install into medicine governing valve, second check valve and second electromagnetic flow meter on advancing the pencil, the theory of operation and the structural style of second electromagnetic flow meter with first electromagnetic flow meter is the same, high-efficient blender fixed connection is in vacuum ejector's one end, and intercommunication each other between high-efficient blender's the entry and the high-efficient blender, concentration controller installs the exit end at high-efficient blender, and this concentration controller is used for monitoring high-efficient blender export diluent concentration value.
Furthermore, the vacuum ejector is a vacuum device which utilizes fluid to transfer energy and mass, a dilution water source with certain pressure in the vacuum ejector is ejected through nozzles symmetrically and uniformly distributed with certain side slopes, and the dilution water source is converged on a focus to convert the pressure energy into speed energy, so that the pressure in an air suction area is reduced to generate negative pressure as an inhalation power source of the concentrated medicament, and the negative pressure is used as a primary mixing device of the dilution water source and the concentrated medicament.
Furthermore, the working principle and the structure of the first check valve are the same as those of the second check valve, and the first check valve and the second check valve are both fluid one-way flow control mechanical parts and are used for avoiding reverse flow of fluid caused by special reasons.
Further, a pressure regulating valve is installed on the first water inlet pipe, and the pressure regulating valve is an adjustable mechanical part and is used for regulating fluctuation generated by the flow and the pressure of the dilution water source within a certain range.
Furthermore, the backwashing filter is a continuous online backwashing filter, and backwashing operation is automatically carried out when the pressure difference between the two ends of the inlet and the outlet of the backwashing filter is higher than a set value.
Furthermore, the water inlet regulating valve is an electric control valve, can freely regulate the opening according to a control signal of a logic system, and is used for regulating the water inlet flow of a dilution water source.
Further, the second electromagnetic flowmeter is different from the second electromagnetic flowmeter in material, and the second electromagnetic flowmeter is made of corrosion-resistant polytetrafluoroethylene plastic and used for different types of medicament flow monitoring processes.
Further, the concentration controller is an online concentration monitoring device and is used for monitoring the concentration value of the diluted medicament at the outlet of the high-efficiency mixer in real time and feeding the concentration value back to the logic control system.
Further, the high-efficiency mixer is a medicament mixing device with an internal flow channel arranged in a spiral manner and provided with a mixed flow baffle, and is used for secondarily promoting the medicament to be fully mixed and providing a basis for the concentration monitored by a subsequent concentration controller.
The invention has the advantages that: the invention provides an automatic online diluting device for a medicament, which is an efficient mixing and diluting device for reducing the use concentration in the medicament adding process, and mainly aims at the problems of small adjustable range, complex structure, high cost, low efficiency, complex operation, poor controllability, large occupied space, low automation degree and the like of the conventional medicament diluting device. Compared with the traditional medicament dilution mode, the device has the obvious advantages that the device can ensure the accuracy of the diluted medicament concentration, has high speed, high efficiency, stable operation and simple and convenient operation, greatly reduces the labor cost, can effectively control the concentration deviation generated in the medicament dilution process, and has the advantages of simple operation, stable performance, wide application and high precision.
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 description of the embodiments or 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 other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of the arrangement structure of the present invention.
Fig. 2 is a schematic view of a water supply system of a dilution water source according to the present invention.
FIG. 3 is a schematic diagram of the operation of the backwash filter of the present invention in a normal filtration state (the water flow guide valve is open).
FIG. 4 is a schematic diagram of the operation of the backwash filter of the present invention in a backwash waste state (water flow guide valve closed).
Wherein:
1. a water inlet regulating valve; 2. Backwashing the filter; 3. A pressure regulating valve;
4. a first electromagnetic flow meter; 5. A first check valve; 6. A medicine inlet regulating valve;
7. a second electromagnetic flow meter; 8. A second check valve; 9. A vacuum ejector;
10. a high-efficiency mixer; 11. A concentration controller; 12. A first water inlet pipe;
13. a medicine inlet pipe; 14. A first connecting elbow; 15. A second water inlet pipe;
16. second connecting elbow
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly specified or limited, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
fig. 1 is a schematic diagram of the arrangement structure of the present invention, fig. 2 is a schematic diagram of a dilution water source water supply system of the present invention, fig. 3 is a schematic diagram of the working principle of a backwashing filter in a normal filtering state (a water flow guide valve is opened) of the present invention, fig. 4 is a schematic diagram of the working principle of the backwashing filter in a backwashing sewage discharge state (a water flow guide valve is closed) of the present invention, and fig. 1, fig. 2, fig. 3 and fig. 4 show an automatic reagent online dilution device, which comprises: vacuum ejector 9, high-efficient blender 10, concentration controller 11, first inlet tube 12, advance pencil 13 and second inlet tube 15, its characterized in that: a water inlet regulating valve 1 is installed on the first water inlet pipe 12 and used for regulating the flow rate of the diluted water source, a backwashing filter 2 is arranged on one side of the water inlet regulating valve 1, the backwashing filter 2 is fixedly connected with the first water inlet pipe 12, the second water inlet pipe 15 is arranged on one side of the first water inlet pipe 12, the first water inlet pipe 12 is connected with the second water inlet pipe 15 through a first connecting elbow 14, a first electromagnetic flow meter 4 is installed on the second water inlet pipe 15 and used for feeding real-time flow monitoring data back to an external logic control system, a first check valve 5 is installed on the second water inlet pipe 15, the first check valve 5 is positioned at the upper end of the first electromagnetic flow meter 4, the vacuum ejector 9 is arranged at the upper end of the medicine inlet pipe 13, and one end of the vacuum ejector 9 is connected with the second water inlet pipe 15 through a second connecting elbow 16, the lower extreme of vacuum ejector 9 and advance intercommunication between the pencil 13, install into medicine governing valve 6, second check valve 8 and second electromagnetic flow meter 7 on advancing the pencil 13, the theory of operation and the structural style of second electromagnetic flow meter 7 with first electromagnetic flow meter 4 is the same, high-efficient mixer 10 fixed connection is in the one end of vacuum ejector 9, and intercommunication between the entry of high-efficient mixer 10 and the high-efficient mixer 10, concentration controller 11 installs the exit end at high-efficient mixer 10, and this concentration controller 11 is used for monitoring high-efficient mixer 10 export diluent concentration value.
In the above scheme, the water inlet regulating valve 1 is an electric control valve, and can freely regulate the opening according to a logic system control signal, so as to regulate the water inlet flow of a dilution water source; the backwashing filter 2 is a continuous online backwashing filter, when the pressure difference between the two ends of an inlet and an outlet is higher than a set value, a backwashing operation flow (relating to the backwashing principle of the filter, such as the attached figures 3 and 4 of the specification) is automatically carried out, and part of a dilution water source passes through the backwashing operation flow during the backwashing operation flow, so that the continuous operation is realized.
The pressure regulating valve 3 is an adjustable mechanical part and is used for regulating fluctuation generated by the flow and the pressure of a dilution water source within a certain range, so that the flow is ensured to be stably changed, and fluctuation deviation of the concentration of a diluent is avoided to the maximum extent;
the first electromagnetic flowmeter 4 is a real-time flow monitoring component and can feed back real-time flow monitoring data to the logic control system; the working principle of the second electromagnetic flowmeter 7 is the same as that of the first electromagnetic flowmeter 4 in structural form, and the difference is that the second electromagnetic flowmeter 7 is made of corrosion-resistant polytetrafluoroethylene plastic and is suitable for monitoring the flow of different types of medicaments;
the first check valve 5 is a fluid one-way flow control mechanical component, and is used for preventing fluid from flowing reversely due to special reasons; the second check valve 8 has the same working principle and structure form as the first check valve 5;
the vacuum ejector 9 is a vacuum device which utilizes fluid to transfer energy and mass, a dilution water source with certain pressure in the vacuum ejector is ejected by nozzles symmetrically and uniformly distributed with certain side slopes, and is converged on a focus, so that the pressure energy is converted into speed energy, the pressure in an air suction area is reduced to generate negative pressure which is used as an inhalation power source of concentrated medicament, and the negative pressure is used as a primary mixing device of the dilution water source and the concentrated medicament;
the high-efficiency mixer 10 is a medicament mixing device with an internal flow channel arranged in a spiral manner and provided with a mixed flow baffle, is used for secondarily promoting the full mixing effect of medicaments and provides a basis for the concentration monitored by the subsequent concentration controller 11; the concentration controller 11 is an online concentration monitoring device, and is used for monitoring the concentration value of the diluted medicament at the outlet of the high-efficiency mixer 10 in real time and feeding the concentration value back to a logic control system, the logic control system is a central control device of an automatic online dilution device, and the logic control system can monitor the deviation between the real-time concentration and the instruction concentration and flow data monitored by the first electromagnetic flowmeter 4 and the second electromagnetic flowmeter 7 according to the concentration controller 11 (on the premise that the concentration of the concentrated medicament is known, the accurate concentration dilution process can be realized by controlling the first electromagnetic flowmeter 7 and the second electromagnetic flowmeter 7 to pass through the flow), and is used for adjusting the opening degrees of the water inlet regulating valve 1 and the medicament inlet regulating valve 6 in real time, so that the continuous, automatic and accurate medicament dilution process is realized; the first electromagnetic flowmeter 7, the second electromagnetic flowmeter 7, the water inlet regulating valve 1, the medicine inlet regulating valve 6 and the concentration controller 11 are respectively in controllable connection with the logic control system;
after the logic control system receives the shutdown command of the automatic online dilution device, the cleaning program is automatically executed, and the specific operation is briefly summarized as follows: the medicine feeding adjusting valve 6 is closed, the water feeding adjusting valve 1 is kept open, a continuous cleaning link is implemented for a subsequent pipeline of the online diluting device, the pipeline is prevented from being blocked after the medicine is attached and solidified, and the washing time can be freely adjusted according to the actual operation period of the online diluting device or the sampling concentration of a medicine feeding point.
The working mode is as follows: the invention provides an automatic online medicament diluting device, which adopts seawater as a diluting water source (the diluting water source is specifically a seawater pretreatment high-efficiency coagulating sedimentation tank (which can remove most suspended matters and slime in seawater), the effluent is conveyed to a medicament diluting device through a booster centrifugal pump, a filter, a pressure regulating valve 3 and the like, in detail, the figure 2 shown in the attached figure of the specification) through a water inlet regulating valve 1 (a logic control system regulates the opening states of the water inlet regulating valve 1 and a medicine inlet regulating valve 6 in real time according to a feedback signal of a concentration controller 11), a backwashing filter 2 (filters and intercepts impurity particles possibly existing in dilution), the pressure regulating valve 3 (stabilizes the water inlet pressure and avoids the influence of flow fluctuation on medicament dilution concentration), a first electromagnetic flow node (monitors the diluting flow of a water sample in real time and feeds back a data signal to the logic control system), The first check valve 5 (which prevents the diluted water sample and the medicament from flowing back) enters the vacuum ejector 9, pressure energy is converted into speed energy due to the extremely high flow rate of the diluted water sample in the vacuum ejector, and negative pressure is generated by the pressure reduction of an air suction area and is used as a concentrated medicament suction power source; on the other hand, the concentrated medicament enters the air suction area of the vacuum ejector 9 through the medicament inlet regulating valve 6 (the action principle is the same as the water inlet regulating valve 1, and the outlet of the concentrated medicament box is provided with a filter, so that the concentrated medicament is not arranged here), the second electromagnetic flow node (the action principle is the same as the first electromagnetic flow meter 4) and the second check valve 8 (the principle is the same as the first check valve 5) and then enters the high-efficiency mixer 10 (the internal flow channel is set to be spiral and is provided with a mixed flow baffle plate for promoting the medicament mixing effect) for secondary mixing, the finally mixed and diluted medicament is fed to a medicament feeding point through the concentration controller 11, and the concentration controller 11 can feed back to the logic control system for regulating the openings of the water inlet regulating valve 1 and the medicament inlet regulating valve 6 in real time according to the monitored deviation of the actual concentration and the instruction concentration and the monitored flow data of the first electromagnetic flow meter 4, thereby realizing the continuous, automatic and accurate medicament dilution process.
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; while the invention has been described in detail and with reference to the foregoing embodiments, it will 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; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. An automatic on-line medicament dilution device comprising: vacuum ejector, high-efficient blender, concentration controller, first inlet tube, advance pencil and second inlet tube, its characterized in that: the device comprises a first water inlet pipe, a second water inlet pipe, a vacuum ejector and a liquid medicine inlet pipe, wherein a water inlet regulating valve is arranged on the first water inlet pipe and used for regulating the inflow rate of a dilution water source, a backwashing filter is arranged on one side of the water inlet regulating valve and fixedly connected with the first water inlet pipe, the second water inlet pipe is arranged on one side of the first water inlet pipe, the first water inlet pipe and the second water inlet pipe are mutually connected through a first connecting elbow, a first electromagnetic flowmeter is arranged on the second water inlet pipe and used for feeding real-time flow monitoring data back to an external logic control system, a first check valve is arranged on the second water inlet pipe and positioned at the upper end of the first electromagnetic flowmeter, the vacuum ejector is arranged at the upper end of the liquid medicine inlet pipe, one end of the vacuum ejector is mutually connected with the second water inlet pipe through a second connecting elbow, and the lower end, install into medicine governing valve, second check valve and second electromagnetic flow meter on advancing the pencil, the theory of operation and the structural style of second electromagnetic flow meter with first electromagnetic flow meter is the same, high-efficient blender fixed connection is in vacuum ejector's one end, and intercommunication each other between high-efficient blender's the entry and the high-efficient blender, concentration controller installs the exit end at high-efficient blender, and this concentration controller is used for monitoring high-efficient blender export diluent concentration value.
2. The automatic online medicament diluting device as claimed in claim 1, wherein: the vacuum ejector is a vacuum device which utilizes fluid to transfer energy and mass, a dilution water source with certain pressure in the vacuum ejector is ejected by nozzles symmetrically and uniformly distributed into certain side slopes, the dilution water source is converged on a focus, the pressure energy is converted into speed energy, the pressure in an air suction area is reduced to generate negative pressure which is used as an inhalation power source of concentrated medicament, and the negative pressure is used as a primary mixing device of the dilution water source and the concentrated medicament.
3. The automatic online medicament diluting device as claimed in claim 1, wherein: the working principle and the structure of the first check valve are the same as those of the second check valve, and the first check valve and the second check valve are both fluid one-way flow control mechanical parts and are used for avoiding reverse flow of fluid caused by special reasons.
4. The automatic online medicament diluting device as claimed in claim 1, wherein: the first water inlet pipe is provided with a pressure regulating valve which is an adjustable mechanical part and is used for regulating fluctuation generated by the flow and the pressure of a dilution water source within a certain range.
5. The automatic online medicament diluting device as claimed in claim 1, wherein: the backwashing filter is a continuous online backwashing filter, and backwashing operation is automatically carried out when the pressure difference between the two ends of the inlet and the outlet is higher than a set value.
6. The automatic online medicament diluting device as claimed in claim 1, wherein: the water inlet regulating valve is an electric control valve, can freely regulate the opening according to a control signal of a logic system, and is used for regulating the water inlet flow of a dilution water source.
7. The automatic online medicament diluting device as claimed in claim 1, wherein: the second electromagnetic flowmeter is made of different materials and is made of corrosion-resistant polytetrafluoroethylene plastics for different types of medicament flow monitoring processes.
8. The automatic online medicament diluting device as claimed in claim 1, wherein: the concentration controller is an online concentration monitoring device and is used for monitoring the concentration value of the diluted medicament at the outlet of the high-efficiency mixer in real time and feeding back the concentration value to the logic control system.
9. The automatic online medicament diluting device as claimed in claim 1, wherein: the high-efficiency mixer is a medicament mixing device with an internal flow channel arranged in a spiral manner and provided with a mixed flow baffle, is used for secondarily promoting the medicament to be fully mixed, and provides a basis for the concentration monitored by a subsequent concentration controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010236565.5A CN111420571A (en) | 2020-03-30 | 2020-03-30 | Automatic online diluting device of medicament |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010236565.5A CN111420571A (en) | 2020-03-30 | 2020-03-30 | Automatic online diluting device of medicament |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112827661A (en) * | 2020-12-29 | 2021-05-25 | 内蒙古黄陶勒盖煤炭有限责任公司 | Intelligent medicine dispensing system |
| CN113230917A (en) * | 2021-05-26 | 2021-08-10 | 北京工业大学 | Adjustable static hydraulic mixing method and measurement and control system |
| CN113797785A (en) * | 2021-09-30 | 2021-12-17 | 交通运输部天津水运工程科学研究所 | Diffuser device for quickly removing seawater |
-
2020
- 2020-03-30 CN CN202010236565.5A patent/CN111420571A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112827661A (en) * | 2020-12-29 | 2021-05-25 | 内蒙古黄陶勒盖煤炭有限责任公司 | Intelligent medicine dispensing system |
| CN112827661B (en) * | 2020-12-29 | 2022-06-03 | 内蒙古黄陶勒盖煤炭有限责任公司 | Intelligent medicine dispensing system |
| CN113230917A (en) * | 2021-05-26 | 2021-08-10 | 北京工业大学 | Adjustable static hydraulic mixing method and measurement and control system |
| CN113797785A (en) * | 2021-09-30 | 2021-12-17 | 交通运输部天津水运工程科学研究所 | Diffuser device for quickly removing seawater |
| CN113797785B (en) * | 2021-09-30 | 2023-11-17 | 交通运输部天津水运工程科学研究所 | Diffuser device for rapidly removing seawater |
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