CN105417658B - A kind of chemicals dosing plant and its adding method thereof - Google Patents
A kind of chemicals dosing plant and its adding method thereof Download PDFInfo
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- CN105417658B CN105417658B CN201510971172.8A CN201510971172A CN105417658B CN 105417658 B CN105417658 B CN 105417658B CN 201510971172 A CN201510971172 A CN 201510971172A CN 105417658 B CN105417658 B CN 105417658B
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- box body
- medicine
- dosing
- liquid level
- water inlet
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000126 substance Substances 0.000 title abstract description 15
- 239000003814 drug Substances 0.000 claims abstract description 166
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 239000007788 liquid Substances 0.000 claims abstract description 66
- 238000003756 stirring Methods 0.000 claims abstract description 64
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 229940079593 drug Drugs 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 34
- 238000005273 aeration Methods 0.000 claims description 30
- 239000011148 porous material Substances 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 8
- 229910052742 iron Inorganic materials 0.000 abstract 4
- 230000008676 import Effects 0.000 abstract 3
- 239000008394 flocculating agent Substances 0.000 description 20
- 238000012377 drug delivery Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
Classifications
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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
-
- 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
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
-
- 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
- B01F35/711—Feed mechanisms for feeding a mixture of components, i.e. solids in liquid, solids in a gas stream
-
- 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
- B01F35/712—Feed mechanisms for feeding fluids
-
- 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
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
- B01F35/883—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise using flow rate controls for feeding the substances
-
- 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
- C02F1/5227—Processes for facilitating the dissolution of solid flocculants in water
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (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)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The present invention provides a kind of chemicals dosing plant and its adding method thereof, which includes：Babinet, dosing tank, vacuum intake balling iron, drug discharging tube, liquid level detection device, mixing component and controller.Casing top sets import；Babinet one side is provided with the molten medicine water inlet pipe of connection import, and flowmeter and water inlet control valve are set on molten medicine water inlet pipe；Dosing tank is arranged on casing top region, and vacuum intake balling iron is arranged on casing top region and between dosing tank and babinet import, and vacuum intake balling iron is provided with dispensing control valve；Drug discharging tube is arranged on bottom of box region and is connected with babinet；Liquid level detection device is arranged on babinet；To provide stirring in babinet, controller is connected mixing component with flowmeter, water inlet control valve, dispensing control valve, liquid level detection device and mixing component.It is offerd medicine by vacuum intake balling iron, eliminates dispensing auger and drug dissolving tank, can effectively prevent flocculant viscous in dispensing auger and drug dissolving tank.
Description
Technical Field
The invention relates to a dosing device and a dosing method thereof.
Background
As shown in fig. 1, the existing dosing device using a flocculating agent as a medicament generally has the following structure: a main water inlet pipe 2 'is installed on one side of a medicine adding box body 1', a pressure gauge 3 'is installed on the main water inlet pipe 2', the main water inlet pipe 2 'is connected with one end of a stirring water inlet pipe 6' through a water inlet control valve 4 ', a flow meter 5' is arranged on the stirring water inlet pipe 6 ', the other end of the stirring water inlet pipe 6' enters the box body 1 'from one corner of the top of the box body 1', the stirring water inlet pipe 6 'is controlled to feed water into the box body 1' through a stirring water inlet control valve 7 ', a screw medicine dosing machine 10' is installed on the top of the box body 1 ', and a medicine dissolving tank 12' is also installed on the top of the box.
The dosing tank 11 ' is arranged on the tank body 1 ', a dosing auger 19 ' is arranged in the dosing tank, one end of the dosing auger 19 ' is connected with the screw dosing tank 10 ', and the other end of the dosing auger 19 ' penetrates through the bottom of the dosing tank 10 ' and extends into the dissolved medicine tank 12 ' to convey a flocculating agent for the dissolved medicine tank 2 '; the top of the medicine dissolving water inlet pipe 8 'is welded on the stirring water inlet pipe 6'. The medicine dissolving tank 12 ' enters from the top of the medicine dissolving tank 12 ', a medicine dissolving water inlet control valve 9 ' is arranged on a medicine dissolving water inlet pipe 8 ', a plurality of groups of blades 14 ' are connected with a stirring motor 13 ' arranged on the top of the box body 1 ', a medicine outlet pipe 16 ' is transversely arranged at the bottom of one side of the box body 1 ' through a plurality of medicine outlet control valves 15 ', and one end of an overflow pipe 17 ' is connected with one end of the medicine outlet pipe 16 ' and is used for overflowing medicine when the medicine outlet pipe 16 ' is blocked; the box body 1 'is also provided with a PLC control box 18' for controlling each control valve and motor.
As the existing flocculating agent is conveyed into the medicine dissolving tank through the medicine feeding auger in the medicine feeding box in the adding process, the phenomenon of flocculating agent viscosity is easy to occur on the medicine dissolving tank and the medicine feeding auger, and the flocculating agent viscosity is particularly obvious in humid areas.
Disclosure of Invention
The invention aims to provide a dosing device and a dosing method thereof, which aim to solve the problem that the dosing device in the prior art is easy to stick on a medicine dissolving tank and a dosing auger when adding medicaments such as flocculating agent and the like.
To solve the above technical problems, as an aspect of the present invention, there is provided a drug adding device comprising:
the top of the box body is provided with an inlet; a medicine dissolving water inlet pipe connected with the inlet is arranged on one side of the box body, a flowmeter is arranged on the medicine dissolving water inlet pipe, and a water inlet control valve is arranged on the medicine dissolving water inlet pipe and positioned on the water outlet side of the flowmeter;
the dosing box is arranged in the top area of the box body;
the vacuum material sucking and dosing device is arranged in the top area of the box body and is positioned between the dosing box and the inlet, a feeding pipe of the vacuum material sucking and dosing device is connected with the dosing box, and a discharging pipe of the vacuum material sucking and dosing device throws a medicament into the box body through the inlet; the vacuum material sucking and medicine throwing device is provided with a medicine throwing control valve;
the medicine outlet pipe is arranged in the bottom area of the box body and connected with the box body;
the liquid level detection device is arranged on the box body and used for detecting the height of the liquid level in the box body;
the stirring assembly is connected with the box body and is used for providing stirring for the box body;
and the controller is connected with the flow meter, the water inlet control valve, the dosing control valve, the liquid level detection device and the stirring assembly.
Further, it is characterized in that the stirring assembly comprises:
the air pump is provided with a pump switch;
one end of the air inlet pipe is connected with an air outlet of the air pump, and the other end of the air inlet pipe is connected with a pore aeration device arranged at the bottom in the box body; wherein,
the pump switch is connected with the controller.
Furthermore, the pore aeration device is aeration pipes which are arranged at the bottom of the box body and distributed in a net shape;
the aeration pipe is provided with a plurality of air outlet pores.
Further, the liquid level detection device is arranged on the inner side of the side wall of the box body.
Further, the controller is a PLC controller;
the top of the box body is provided with a PLC control box;
the PLC controller is arranged in the PLC control box.
Furthermore, a plurality of medicine outlets are formed in the bottom of the box body;
each medicine outlet is connected with the medicine outlet pipe through a medicine outlet branch pipe;
and the medicine outlet branch pipes are all provided with medicine outlet control valves.
According to another aspect of the present invention, there is also provided a drug adding method using the above drug adding device, including:
when the liquid level in the box body is detected to be lower than a first liquid level, controlling the medicine outlet pipe to stop medicine outlet, controlling the dissolved medicine inlet pipe to feed water into the box body, controlling the vacuum medicine suction and dosing device to suck medicine in the box body in a vacuum manner and dose the medicine, and controlling the stirring assembly to stir in the box body;
when the liquid level in the box body is detected to be higher than the second liquid level, the medicine dissolving water inlet pipe is controlled to stop feeding water into the box body, the vacuum material sucking and dosing device is controlled to stop dosing into the box body, the stirring component is controlled to stop stirring in the box body or stop stirring or intermittent stirring after a preset time is delayed, and the medicine outlet pipe is controlled to discharge medicine.
Further, the step of controlling the stirring component to stir in the box body further includes:
controlling an air pump to pump air into the box body;
and aerating the gas from the bottom in the box body through a fine hole aeration device.
Further, detecting the liquid level in the box body through a liquid level detection device;
and aerating the gas from the bottom in the box body through aeration pipes distributed at the bottom in the box body in a net shape.
Furthermore, the opening and closing of a water inlet control valve on the medicine dissolving water inlet pipe are controlled through a PLC (programmable logic controller) so as to control the medicine dissolving water inlet pipe to feed water into the box body and stop feeding water;
controlling the opening and closing of a dosing control valve on the vacuum suction dosing machine through a PLC (programmable logic controller) so as to control the vacuum suction dosing machine to dose and stop dosing in the box body;
the PLC controller is used for controlling the opening and closing of a pump switch of the air pump so as to control the air pump to aerate and stop aerating the box body;
and receiving a liquid level signal detected by the liquid level detection device through a PLC controller.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a medicine adding device, which comprises: the device comprises a box body, a dosing tank, a vacuum material sucking and dosing device, a medicine outlet pipe, a liquid level detection device, a stirring assembly and a controller. The top of the box body is provided with an inlet; one side of the box body is provided with a medicine dissolving water inlet pipe connected with the inlet, and a flowmeter and a water inlet control valve are arranged on the medicine dissolving water inlet pipe; the dosing box is arranged in the top area of the box body, the vacuum material sucking and dosing device is arranged in the top area of the box body and is positioned between the dosing box and an inlet of the box body, and the vacuum material sucking and dosing device is provided with a dosing control valve; the dosage of the vacuum sucking and dosing device can be controlled through the feeding control valve. The medicine outlet pipe is arranged in the bottom area of the box body and is connected with the box body; the liquid level detection device is arranged on the box body and used for detecting the height of the liquid level in the box body; the stirring assembly is connected with the box body and is used for providing stirring for the box body, and the controller is connected with the flowmeter, the water inlet control valve, the dosing control valve, the liquid level detection device and the stirring assembly. The vacuum material sucking and chemical dosing device is used for dosing, a dosing auger and a chemical dissolving tank are omitted, and the flocculating agent can be effectively prevented from being stuck to the dosing auger and the chemical dissolving tank.
Drawings
FIG. 1 is a schematic diagram of a prior art medicated device;
FIG. 2 schematically illustrates a structural schematic of a drug delivery device in an embodiment of the present disclosure;
FIG. 3 schematically illustrates a schematic block diagram of the electrical control of the dosing device in an embodiment of the invention;
fig. 4 schematically shows a flow chart of a dosing method in an embodiment of the invention.
Reference numbers in the figures:
in fig. 1:
1', a box body; 2', a total water inlet pipe; 3', a pressure gauge; 4', a water inlet control valve; 5', a flow meter; 6', a stirring water inlet pipe; 7', a stirring water inlet control valve; 8', a medicine dissolving water inlet pipe; 9', a dissolved medicine water inlet control valve; 10', a screw drug feeder; 11', a dosing box; 12', a medicine dissolving tank; 13', a stirring motor; 14', a paddle; 15', a medicine outlet control valve; 16', a medicine outlet pipe; 17', an overflow pipe; 18', a PLC control box; 19', a dosing auger;
in fig. 2 and 3:
1. a box body; 2. a PLC control box; 3. a dosing box; 4. a vacuum material sucking and medicine throwing device; 5. an air pump; 6. a liquid level detection device; 7. a water inlet control valve; 8. a flow meter; 9. a fine pore aeration device; 10. a medicine dissolving water inlet pipe; 11. and a medicine outlet pipe.
Detailed Description
The following detailed description of embodiments of the invention, but the invention can be practiced in many different ways, as defined and covered by the claims.
Referring to fig. 2, according to an embodiment of the present invention, a drug adding device is provided, which mainly includes: the device comprises a box body 1, a medicine dissolving water inlet pipe 10, a dosing box 3, a vacuum material sucking and dosing device 4, a medicine outlet pipe 11, a liquid level detection device 6, a stirring assembly and a controller.
Wherein, as shown in fig. 2, the top of the box body 1 is provided with an inlet; a medicine dissolving water inlet pipe 10 connected with an inlet is arranged on one side of the box body 1, the medicine dissolving water inlet pipe 10 is connected with a water inlet main pipe, a flowmeter 8 is arranged on the medicine dissolving water inlet pipe 10, and a water inlet control valve 7 is arranged on the medicine dissolving water inlet pipe 10 and positioned on the water outlet side of the flowmeter 8; the water inflow of the medicine dissolving water inlet pipe 10 can be measured through the flowmeter 8; the dosing box 3 is arranged in the top area of the box body 1, the vacuum material sucking and dosing device 4 is arranged in the top area of the box body 1 and is positioned between the dosing box 3 and the inlet of the box body 1, the feeding pipe of the vacuum material sucking and dosing device 4 is connected with the dosing box 3, and the discharging pipe of the vacuum material sucking and dosing device 4 doses the medicament into the box body 1 through the inlet; the vacuum material sucking and medicine throwing device 4 is provided with a medicine throwing control valve; the dosage of the vacuum material sucking and dosing device 4 can be controlled through the feeding control valve.
As shown in fig. 2 and 3, the medicine outlet pipe 11 is arranged at the bottom area of the box body 1 and is connected with the box body 1; the liquid level detection device 6 is arranged on the box body 1 and is used for detecting the liquid level height in the box body 1; the stirring component is used for stirring the inside of the box body 1 to promote the medicament (the medicament is a flocculating agent in the embodiment) in the box body 1 to be uniformly mixed with water; the controller is connected with the flowmeter 8, the water inlet control valve 7, the dosing control valve, the liquid level detection device 6 and the stirring assembly.
The vacuum material sucking and chemical dosing device 4 is used for dosing, a dosing auger and a chemical dissolving tank are omitted, and the flocculating agent can be effectively prevented from being stuck on the dosing auger and the chemical dissolving tank.
The controller controls the dosage of the vacuum suction drug delivery device 4 by controlling the opening time of the drug delivery control valve on the vacuum suction drug delivery device 4, for example, the drug delivery device needs to deliver 1000g, the vacuum suction drug delivery device needs to deliver 10g per second, and the controller needs to control the opening time of the drug delivery control valve for 100 seconds.
The working principle of the vacuum material sucking and dosing device 4 is that a certain negative pressure is formed in the cavity of the dosing device to enable the flocculating agent to be sucked into the vacuum material sucking and dosing device. The working process of controlling the vacuum material sucking and medicine feeding device 4 by the controller is as follows: when medicine needs to be fed into the box body 1, the liquid level detection device sends a signal to the controller, the controller sends a signal to a medicine feeding control valve of the vacuum material sucking and medicine feeding device 4, the medicine feeding control valve controls the motor to start to operate for vacuumizing, when the closed system reaches a certain vacuum degree, a flocculating agent in the medicine feeding box 3 starts to be sucked, the flocculating agent is fed into the box body 1 after the flocculating agent is sucked, and the controller controls the working time of the motor by controlling the medicine feeding control valve so as to control the medicine feeding amount of the vacuum material sucking and medicine feeding device 4 to be in a preset amount;
wherein, agitating unit can use current paddle stirring, can refer to prior art specifically, or use air pump aeration stirring or use other stirs, as shown in fig. 2, this embodiment is preferred to use air pump aeration stirring, and wherein, stirring assembly includes: the air pump 5 and the air inlet pipe, wherein the air pump 5 is provided with a pump switch; one end of the air inlet pipe is connected with an air outlet of the air pump 5, and the other end of the air inlet pipe is connected with a pore aeration device 9 arranged at the bottom in the box body 1; wherein, the pump switch is connected with the controller, and the controller controls the aeration time of the air pump 5 in the box body by controlling the opening time of the pump switch.
Through air pump 5 pump sending gas in to box 1 to pore aeration equipment 9 through bottom in the box 1 is to the aeration of box 1 internal liquid, makes the flocculating agent that gets into in the box 1 can intensive mixing misce bene in aqueous, solves the flocculating agent stirring inequality, produces the problem of bold undissolved substance easily, owing to do not use stirring paddle leaf, can prevent that the flocculating agent from gluing on stirring paddle leaf.
Preferably, as shown in fig. 2, the fine hole aeration device 9 is an aeration pipe which is arranged at the bottom of the box body 1 and is distributed in a net shape; the aeration pipe is provided with a plurality of air outlet pores. As other options, the aeration pipe can become circular array or square array and evenly arrange in 1 bottom of box, sets up a plurality of pores of giving vent to anger on the aeration pipe, and the pore of giving vent to anger can be to the aquatic aeration in the box to make 1 interior water of box and flocculating agent misce bene.
In addition, as shown in fig. 2, the liquid level detection device 6 is disposed inside the side wall of the tank 1 and is used for measuring the liquid level in the tank 1, and when the liquid level in the tank 1 is lower than the lowest liquid level, the controller controls the opening of the water inlet control valve, the dosing control valve and the pump switch, so that the dissolved medicine inlet pipe feeds water into the tank 1, the vacuum suction and dosing device 4 doses medicine into the tank, and the air pump 5 aerates and stirs the inside of the tank 2.
As shown in fig. 2 and 3, the controller is preferably a PLC controller; a PLC control box 2 is arranged at the top of the box body; the PLC controller is arranged in the PLC control box 2. The bottom of the box body 1 is provided with a plurality of medicine outlets; each medicine outlet is connected with a medicine outlet pipe 11 through a medicine outlet branch pipe; go out all to set up out the medicine control valve on the medicine branch pipe, the PLC controller is connected with a medicine control valve, when needs are discharged the good medicament of box 1 internal mixing, opens out the medicine control valve, goes out the medicine through a play pencil 11.
The control principle of the embodiment of the invention is as follows: as shown in fig. 2 and 3, the PLC controller controls the water inlet control valve to open, the dissolved medicine water inlet pipe 10 feeds water into the box body 1, the flow meter 8 on the dissolved medicine water inlet pipe 10 is connected with the PLC controller, and the water inflow is calculated by the flow meter; the PLC controls the chemical dosing control valve to be opened, the vacuum material sucking and chemical dosing device 4 absorbs the flocculating agent from the chemical dosing box 3 and puts the flocculating agent into the box body 1, and the chemical dosing amount of the vacuum material sucking and chemical dosing device 4 is controlled by controlling the opening time of the chemical dosing control valve; the PLC controller controls a pump switch to be turned on, air is pumped into the box body 1 through the air pump 5, and aeration is carried out in the box body 1 through the suction hole aeration device 9 so as to stir liquid in the box body and enable a flocculating agent to be uniformly mixed with water; the PLC controls the opening of the medicine discharging control valve, and the mixed medicine in the box body 1 is discharged through the medicine discharging pipe 11.
A liquid level detection device 6 is further arranged on one side in the box body 1, signals can be transmitted to the PLC through the liquid level detection device 6 to control automatic water feeding, automatic medicine feeding and automatic aeration stirring, and specifically, when the liquid level detection device 6 detects that the liquid level in the box body 1 is lower than a first liquid level (lowest liquid level), the liquid level detection device 6 sends a first signal to the PLC, the PLC controls the medicine discharging control valve to be closed, the PLC controls the water inlet control valve to be opened, controls the medicine feeding water inlet valve to be opened, and controls the pump switch to be opened; stopping discharging the medicine from the medicine outlet pipe 11, feeding water into the box body 1 from the medicine dissolving inlet pipe 10, feeding the medicine into the box body 1 from the vacuum material sucking and medicine feeding device 4, and aerating and stirring the medicine into the box body 1 by the air pump 5; when the liquid level detection device 6 detects that the liquid level in the box body 1 is higher than a second liquid level (highest liquid level), the liquid level detection device 6 sends a second signal to the PLC, the PLC controls the medicine outlet control valve to be opened, the PLC controls the water inlet control valve to be closed, controls the medicine feeding water inlet valve to be closed, and controls the pump switch to be closed or delay for a certain time to be closed; the medicine outlet pipe 11 starts to discharge the medicine, the medicine dissolving water inlet pipe 10 stops feeding water into the box body 1, the vacuum material sucking and medicine feeding device 4 stops feeding the medicine into the box body 1, and the air pump 5 stops aerating and stirring the medicine into the box body 1 or stops after a certain time delay.
The embodiment of the present invention further provides a dosing method using the dosing device, and a specific process thereof, as shown in fig. 4, includes:
when the liquid level in the box body 1 is detected to be lower than a first liquid level, controlling the medicine outlet pipe 11 to stop medicine outlet, controlling the medicine dissolving water inlet pipe 10 to feed water into the box body 1, controlling the vacuum medicine suction and dosing device 4 to suck and dose medicine into the box body 1 in a vacuum manner, and controlling the stirring component to stir in the box body 1;
and step two, when the liquid level in the box body 1 is detected to be higher than a second liquid level, controlling the medicine dissolving water inlet pipe 10 to stop feeding water into the box body 1, controlling the vacuum material sucking and medicine feeding device 4 to stop feeding medicine into the box body 1, controlling the stirring assembly to stop stirring in the box body 1 or stop stirring or intermittent stirring after delaying for a preset time, and controlling the medicine outlet pipe to discharge medicine.
Wherein, the step of controlling the stirring component to stir in the box body in the first step and the second step further comprises: controlling the air pump 5 to pump air into the box body 1; the gas is aerated from the inner bottom of the box body 1 through the pore aeration device 9.
Wherein, the liquid level in the box body is detected by a liquid level detection device; the gas is aerated from the inner bottom of the box body 1 through aeration pipes distributed at the inner bottom of the box body 1 in a net shape.
The opening and closing of the water inlet control valve 7 on the medicine dissolving water inlet pipe 10 are controlled by the PLC, so that the PLC controls the medicine dissolving water inlet pipe 10 to feed water into the box body 1 and stop feeding water; the PLC is used for controlling the opening and closing of a dosing control valve on the vacuum material sucking and dosing device 4 so as to realize that the PLC controls the vacuum material sucking and dosing device 4 to dose and stop dosing in the box body 1; the PLC controller is used for controlling the opening and closing of a pump switch of the air pump 5 so as to realize that the PLC controller controls the air pump 5 to aerate the box body 1 and stop aerating; and receiving a first liquid level signal of a first liquid level detected by the liquid level detection device and a second liquid level signal of a second liquid level detected by the liquid level detection device through the PLC, so that the PLC automatically controls the water inlet control valve 7, the dosing control valve and the pump switch.
The embodiment of the dosing method is similar to the embodiment of the dosing device, and reference may be made to the embodiment of the dosing device specifically, and details are not repeated here.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A medicated device, comprising:
the device comprises a box body (1), wherein an inlet is formed in the top of the box body (1); a medicine dissolving water inlet pipe (10) connected with the inlet is arranged on one side of the box body (1), a flowmeter (8) is arranged on the medicine dissolving water inlet pipe (10), and a water inlet control valve (7) is arranged on the medicine dissolving water inlet pipe (10) and positioned on the water outlet side of the flowmeter (8);
a dosing box (3) arranged in the top area of the box body (1);
the vacuum material sucking and dosing device (4) is arranged in the top area of the box body (1) and is positioned between the dosing box (3) and the inlet, a feeding pipe of the vacuum material sucking and dosing device (4) is connected with the dosing box (3), and a discharging pipe of the vacuum material sucking and dosing device (4) doses the medicine into the box body (1) through the inlet; the vacuum material sucking and medicine feeding device (4) is provided with a medicine feeding control valve;
a medicine outlet pipe (11) which is arranged at the bottom area of the box body (1) and is connected with the box body (1);
the liquid level detection device (6) is arranged on the box body (1) and is used for detecting the liquid level height in the box body (1);
the stirring component is connected with the box body (1) and is used for providing stirring for the box body (1);
the controller is connected with the flowmeter (8), the water inlet control valve (7), the dosing control valve, the liquid level detection device (6) and the stirring assembly;
the stirring subassembly includes:
the air pump (5), set up the pump switch on the said air pump (5);
one end of the air inlet pipe is connected with an air outlet of the air pump (5), and the other end of the air inlet pipe is connected with a fine hole aeration device (9) arranged at the bottom in the box body (1); wherein,
the pump switch is connected with the controller.
2. The dosing device according to claim 1, characterized in that the fine hole aeration device (9) is an aeration pipe which is arranged at the bottom of the box body (1) and is distributed in a net shape;
the aeration pipe is provided with a plurality of air outlet pores.
3. The dosing device according to any one of claims 1 or 2, characterized in that the level detection device (6) is arranged inside a side wall of the tank (1).
4. The medicant device of claim 3, wherein the controller is a PLC controller;
the top of the box body is provided with a PLC control box (2);
the PLC controller is arranged in the PLC control box (2).
5. The drug adding device according to claim 1, wherein a plurality of drug outlets are arranged at the bottom of the box body (1);
each medicine outlet is connected with the medicine outlet pipe (11) through a medicine outlet branch pipe;
and the medicine outlet branch pipes are all provided with medicine outlet control valves.
6. A method of medicating a medicating device as defined in any one of claims 1-5, comprising:
when the liquid level in the box body (1) is detected to be lower than a first liquid level, controlling the medicine outlet pipe (11) to stop medicine outlet, controlling the medicine dissolving water inlet pipe (10) to feed water into the box body (1), controlling the vacuum medicine suction and dosing device (4) to suck and dose medicine into the box body (1) in vacuum, and controlling the stirring component to stir in the box body (1);
when the liquid level in the box body (1) is detected to be higher than a second liquid level, controlling a dissolved medicine water inlet pipe (10) to stop feeding water into the box body (1), controlling the vacuum material sucking and medicine feeding device (4) to stop feeding medicine into the box body (1), controlling the stirring component to stop stirring in the box body (1) or stop stirring or intermittent stirring after delaying for a preset time, and controlling the medicine outlet pipe to discharge medicine;
the step of controlling the stirring component to stir in the box body further comprises:
controlling an air pump (5) to pump air into the box body (1);
the gas is aerated from the inner bottom of the box body (1) through a pore aeration device (9).
7. The dosing method according to claim 6, wherein the liquid level in the tank body is detected by a liquid level detection device;
the gas is aerated from the inner bottom of the box body (1) through aeration pipes distributed at the inner bottom of the box body (1) in a net shape.
8. The dosing method according to claim 7,
the opening and closing of a water inlet control valve (7) on the medicine dissolving water inlet pipe (10) are controlled through a PLC (programmable logic controller) so as to control the medicine dissolving water inlet pipe (10) to feed water into the box body (1) and stop feeding water;
the opening and closing of a dosing control valve on the vacuum suction and dosing device (4) are controlled by a PLC controller, so that the vacuum suction and dosing device (4) is controlled to dose into the box body (1) and stop dosing;
the PLC controller is used for controlling the opening and closing of a pump switch of the air pump (5) so as to control the air pump (5) to aerate the box body (1) and stop aerating;
and receiving a liquid level signal detected by the liquid level detection device through a PLC controller.
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| CN110314611A (en) * | 2019-07-13 | 2019-10-11 | 阜阳市阳阳卫生科技有限公司 | Medical fluid adds equipment |
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| CN114570518B (en) * | 2022-03-17 | 2024-05-10 | 池州市鼎弘半导体科技有限公司 | Full-intelligent high-precision adding equipment |
| CN114804415A (en) * | 2022-04-18 | 2022-07-29 | 中国建筑第二工程局有限公司 | Device and method for treating wastewater by utilizing composite efficient sedimentation tank |
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