CN112978823A - Powder medicament pressurized feeding device and control method thereof - Google Patents
Powder medicament pressurized feeding device and control method thereof Download PDFInfo
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- CN112978823A CN112978823A CN202110366491.1A CN202110366491A CN112978823A CN 112978823 A CN112978823 A CN 112978823A CN 202110366491 A CN202110366491 A CN 202110366491A CN 112978823 A CN112978823 A CN 112978823A
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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
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Abstract
The invention relates to the technical field of water treatment and purification equipment, in particular to a powder medicament pressurized feeding device and a control method thereof. The pressurized powder medicament feeding device can feed powder medicaments into a pipeline in a timed and quantitative mode under the pressurized state of the pipeline, so that the dissolving efficiency of the powder medicaments is improved, and the abrasion to equipment can be effectively reduced.
Description
Technical Field
The invention relates to the technical field of water treatment and purification equipment, in particular to a powder medicament pressurized feeding device and a control method thereof.
Background
In a plurality of water treatment projects, in order to improve the water quality, powder medicaments or granular microbial agents are often added into water at regular time and quantity. The original adding mode is that an operator measures a certain amount of medicament, then a small amount of water is added, the mixture is uniformly stirred by a stirrer and then added into a water tank, or the mixture is added into a water treatment pipeline by a high-pressure metering pump.
The pressure in the water pipeline is 0.3-0.5Mpa, so the metering pump must be more than 0.6Mpa to add the medicament into the pipeline system. Some powder medicaments are low in dissolving speed or some hard medicaments are insoluble in water, so that the abrasion of wading parts of the metering pump and the dosing device is rapidly accelerated, and the service life of the dosing device is shortened. In particular, in a microcrystalline soft water treatment facility, a hard water-insoluble crystal nucleus particle needs to be added into a water conveying pipeline running under pressure in a timed and quantitative mode.
The defects of the traditional medicine adding mode are as follows:
1. the labor intensity of workers is high, the efficiency is low, and the regular and quantitative feeding can not be ensured. It is difficult to safely operate in projects with large water volumes or in projects operating 24 hours a year round.
2. The original feeding mode needs a special metering pump, a stirrer and the like with high pressure and high power, the equipment investment is high, and the operating cost is high.
3. Some hard powder particle agents can severely abrade metering pumps, stirrers and wading parts, resulting in high equipment maintenance cost and unsafe factors.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a powder medicament pressurized feeding device which can feed powder medicaments into a pipeline in a timed and quantitative mode under the pressurized state of the pipeline, so that the dissolving efficiency of the powder medicaments is improved, and the abrasion to equipment can be effectively reduced.
The technical scheme adopted by the invention is as follows:
a pressurized powder medicament feeding device comprises a water pipeline, a mixer is arranged on the water pipeline, a medicament feeding mechanism is communicated above the mixer through a medicament feeding pipeline, it is characterized in that a bypass pipeline is arranged in front of the mixer on the water pipeline, one end of the bypass pipeline is communicated with the water pipeline, the other end is communicated with the medicine adding pipeline, a water inlet valve is arranged on the by-pass pipeline, a by-pass valve is arranged on the water conveying pipeline between the joint of the by-pass pipeline and the water conveying pipeline and the joint of the mixer and the water conveying pipeline, the water inlet valve and the bypass valve are respectively and electrically connected with the automatic controller, and the automatic controller controls the bypass pipeline to be closed and controls the water inlet valve to be opened, so that pressurized water in the water conveying pipeline enters the mixer to be mixed and stirred with the powder medicament in the mixer.
The dosing mechanism comprises a dosing bin, a spiral conveying shaft is arranged in the dosing bin, a dosing valve is arranged at an outlet of the dosing bin below the spiral conveying shaft, a variable frequency speed reducer is connected to the upper side of the spiral conveying shaft through a transmission shaft, and the variable frequency speed reducer and the dosing valve are respectively and electrically connected with the automatic controller.
And a water outlet valve is arranged on a connecting pipeline between the mixer and the water conveying pipeline and is electrically connected with the automatic controller.
Be provided with the drain pipe on the blender, the drain pipe on be provided with drain valve, drain valve electricity connect automatic control.
A control method of a powder medicament pressurized feeding device comprises the following steps:
step A, a standby medicine mixing step:
the automatic controller controls the opening of the bypass valve and the dosing valve; closing the water inlet valve, the water outlet valve and the water discharge valve; water belts of the pipeline system are in flow operation under pressure; in the working procedure, the added powder medicament is added into the medicament adding bin from the storage tank, when medicament is needed to be added, the automatic controller controls the start and stop of the speed reducer or the rotation speed, the transmission shaft drives the spiral conveying shaft to rotate, the powder medicament is automatically added into the mixer, and the powder medicament is conveniently conveyed and added along with the flowing of water after being mixed with part of water;
step B, adding medicament:
opening a water inlet valve and a water outlet valve; closing the bypass valve, the dosing valve and the drainage valve; the water in the pipeline flows through the mixer to impact and feed the medicament into the pipeline, and then the medicament is conveyed into water treatment equipment to finish the work of feeding the medicament;
step C, standby preparation step:
opening a bypass valve and a dosing valve; closing the water inlet valve, the water outlet valve and the water discharge valve; after the medicine is added, the equipment is automatically adjusted to a standby preparation state.
In the working procedure A, the mixer is in a non-pressure state, the water treatment equipment and the water delivery pipe are in a pressure-bearing state, and the pressure is 0.3-0.5 Mpa.
In the working procedure B, the mixer, the water treatment equipment and the water delivery pipe are all in a pressure-bearing state, and the pressure is 0.3-0.5 Mpa.
The mixer can be in different working states such as non-pressure and pressure-bearing in the opening and closing process of related valves. The powder medicament can be rapidly and stably added into equipment which operates under pressure when water treatment equipment and a water delivery pipeline operate under a certain pressure.
The technical scheme provided by the invention has the following beneficial effects:
1. the novel dosing device realizes the function of accurately feeding the powder medicament into equipment or a water pipeline running under pressure at regular time and quantity. High automation degree, simple and convenient operation and management and stable water quality.
2. The novel dosing device is not provided with a dosing pump, a stirrer and the like which are high in value and complex in structure, and equipment is provided with a conventional electric valve, a speed reducer, a simple mixer, a dosing bin and the like.
3. The novel dosing device does not have the abrasion operation of powder medicament and equipment such as dosing pump, agitator, and device long service life.
4. The chemical feeding device has the advantages of simple process, compact structure, small occupied area, low engineering investment and low operating cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a pressurized powder medicament feeding device of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example one
As shown in the attached figure 1, the powder medicament pressure feeding device comprises a water pipeline 1, a mixer 2 is arranged on the water pipeline 1, a medicament feeding mechanism is communicated above the mixer 2 through a medicament feeding pipeline 3, a bypass pipeline 4 is arranged in front of the mixer 2 on the water pipeline 1, one end of the bypass pipeline 4 is communicated with the water pipeline 1, the other end of the bypass pipeline 4 is communicated with the medicament feeding pipeline 3, a water inlet valve 5 is arranged on the bypass pipeline 4, a bypass valve 6 is arranged on the water pipeline 1 between the joint of the bypass pipeline 4 and the water pipeline 1 and the joint of the mixer 2 and the water pipeline 1, the water inlet valve 5 and the bypass valve 6 are respectively and electrically connected with an automatic controller 7, the automatic controller 7 controls the closing of the bypass pipeline 6 and controls the opening of the water inlet valve 5, pressurized water in the water conveying pipeline 1 enters the mixer 2 and is mixed and stirred with the powder medicament in the mixer 2.
The medicine adding mechanism of this embodiment includes with medicine storehouse 8, add the inside auger delivery axle 9 that is provided with in medicine storehouse 8, the 8 exit in the storehouse of adding medicine of auger delivery axle 9 below set up with medicine valve 10, auger delivery axle 9 top is through transmission shaft 11 connection frequency conversion speed reducer 12, frequency conversion speed reducer 12 with add medicine valve 10 electricity respectively and be connected automatic control 7.
A water outlet valve 13 is arranged on a connecting pipeline between the mixer 2 and the water conveying pipeline 1, and the water outlet valve 13 is electrically connected with the automatic controller 7.
The mixer 2 is provided with a drain pipe 14, the drain pipe 14 is provided with a drain valve 15, and the drain valve 15 is electrically connected with the automatic controller 7.
Example two
The embodiment provides a control method of a powder medicament pressurized feeding device, which comprises the following steps:
a standby medicine mixing process:
valve state: opening the bypass valve 6 and the dosing valve 10; and closing the water inlet valve 5, the water outlet valve 13 and the water discharge valve 15. The water belt of the pipeline system is in flow operation under pressure. In this process, the added medicament is manually added into the medicament adding bin 8 from the storage tank, and the medicament adding bin 8 holds a certain amount of medicament. When medicine needs to be added, the automatic controller 7 controls the speed reducer 12 to start and stop or rotate at a speed according to the amount of medicine needed by engineering, the transmission shaft 11 drives the spiral conveying shaft 9 to rotate, a certain amount of powder medicine is automatically added into the mixer 2, and the powder medicine is conveniently conveyed and added along with the flowing of water after being mixed with part of water. In the working procedure, the mixer is in a non-pressure state, so that the powder medicament is conveniently added; the water treatment equipment and the water delivery pipe are in a pressure-bearing state, and the pressure is 0.3-0.5 Mpa.
A medicament adding process: opening the water inlet valve 5 and the water outlet valve 13; and closing the bypass valve 6, the dosing valve 10 and the drainage valve 15. The water in the pipeline flows through the mixer 2, and the agent is added into the pipeline in an impacting way and then conveyed into water treatment equipment, so that the operation of adding the agent is completed. At this time, the mixer 2 and the water pipe 1 are in a pressurized operation state. The whole process of each procedure is that the control cabinet opens and closes the speed reducer and the corresponding valve to complete the dosing work according to the design program.
A standby preparation step:
valve state: opening the bypass valve 6 and the dosing valve 10; and closing the water inlet valve 5, the water outlet valve 13 and the water discharge valve 15. After the medicine is added, the equipment is automatically adjusted to a standby preparation state. At the moment, the pipeline still runs under pressure; the mixer 2 is in a non-pressure state, the dosing valve 10 is opened at any time, and the speed reducer is started to dose. The drain valve 15 is a service valve and is opened only during draining.
The mixer can be in different working states of no pressure, pressure bearing and the like in different working procedures and the opening and closing processes of related valves. The powder agent can be rapidly and stably added into equipment which operates under pressure in the process of keeping a certain pressure of water treatment equipment and a pipeline.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A powder medicament feeding device with pressure comprises a water pipeline, wherein a mixer is arranged on the water pipeline, and a medicament feeding mechanism is communicated above the mixer through a medicament feeding pipeline, the powder medicament feeding device is characterized in that a bypass pipeline is arranged in front of the mixer on the water pipeline, one end of the bypass pipeline is communicated with the water pipeline, the other end of the bypass pipeline is communicated with the medicament feeding pipeline, a water inlet valve is arranged on the bypass pipeline, a bypass valve is arranged on the water pipeline between the joint of the bypass pipeline and the water pipeline and the joint of the mixer and the water pipeline, the water inlet valve and the bypass valve are respectively and electrically connected with an automatic controller, the automatic controller controls the bypass pipeline to be closed and controls the water inlet valve to be opened, so that water with pressure in the water pipeline enters the mixer, mixing and stirring the powder medicament in the mixer.
2. The device for feeding the powder medicament with the pressure as claimed in claim 1, wherein the feeding mechanism comprises a feeding bin, a spiral conveying shaft is arranged in the feeding bin, a feeding valve is arranged at an outlet of the feeding bin below the spiral conveying shaft, a variable frequency reducer is connected to the upper part of the spiral conveying shaft through a transmission shaft, and the variable frequency reducer and the feeding valve are respectively and electrically connected with the automatic controller.
3. The pressurized powder reagent feeding device according to claim 1, wherein a water outlet valve is arranged on a connecting pipeline between the mixer and the water conveying pipeline, and the water outlet valve is electrically connected with the automatic controller.
4. The pressurized powder medicament feeding device according to claim 1, wherein a drain pipe is arranged on the mixer, a drain valve is arranged on the drain pipe, and the drain valve is electrically connected with the automatic controller.
5. A control method of a powder medicament pressurized feeding device comprises the following steps:
step A, a standby medicine mixing step:
the automatic controller controls the opening of the bypass valve and the dosing valve; closing the water inlet valve, the water outlet valve and the water discharge valve; water belts of the pipeline system are in flow operation under pressure; in the working procedure, the added powder medicament is added into the medicament adding bin from the storage tank, when medicament is needed to be added, the automatic controller controls the start and stop of the speed reducer or the rotation speed, the transmission shaft drives the spiral conveying shaft to rotate, the powder medicament is automatically added into the mixer, and the powder medicament is conveniently conveyed and added along with the flowing of water after being mixed with part of water;
step B, adding medicament:
opening a water inlet valve and a water outlet valve; closing the bypass valve, the dosing valve and the drainage valve; the water in the pipeline flows through the mixer to impact and feed the medicament into the pipeline, and then the medicament is conveyed into water treatment equipment to finish the work of feeding the medicament;
step C, standby preparation step:
opening a bypass valve and a dosing valve; closing the water inlet valve, the water outlet valve and the water discharge valve; after the medicine is added, the equipment is automatically adjusted to a standby preparation state.
6. The method for controlling the pressurized feeding device of the powder medicament according to claim 5, wherein in the step A, the mixer is in a non-pressure state, the water treatment equipment and the water delivery pipe are in a pressure-bearing state, and the pressure is 0.3-0.5 Mpa.
7. The method for controlling the pressurized feeding device of the powder medicament according to claim 5, wherein in the step B, the mixer, the water treatment equipment and the water delivery pipe are all in a pressure-bearing state, and the pressure is 0.3-0.5 Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110366491.1A CN112978823A (en) | 2021-04-06 | 2021-04-06 | Powder medicament pressurized feeding device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110366491.1A CN112978823A (en) | 2021-04-06 | 2021-04-06 | Powder medicament pressurized feeding device and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112978823A true CN112978823A (en) | 2021-06-18 |
Family
ID=76339278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110366491.1A Pending CN112978823A (en) | 2021-04-06 | 2021-04-06 | Powder medicament pressurized feeding device and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112978823A (en) |
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2021
- 2021-04-06 CN CN202110366491.1A patent/CN112978823A/en active Pending
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