CN214598847U - Automatic dosing device for sodium carbonate solution - Google Patents
Automatic dosing device for sodium carbonate solution Download PDFInfo
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- CN214598847U CN214598847U CN202120363436.2U CN202120363436U CN214598847U CN 214598847 U CN214598847 U CN 214598847U CN 202120363436 U CN202120363436 U CN 202120363436U CN 214598847 U CN214598847 U CN 214598847U
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- carbonate solution
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Abstract
The utility model provides an automatic dosing device that dispenses of sodium carbonate solution, the sodium carbonate silo is being connected to weighing hopper one end, the sodium carbonate batch meter is being connected to the other end, the sodium carbonate batch meter is being connected the sodium carbonate solution case through sodium carbonate intermediate pump, weighing hopper one side is provided with the weighing hopper charge level indicator, sodium carbonate batch meter one side is provided with air inlet unit and water installations, the opposite side is provided with first level assembly, sodium carbonate solution case one side is provided with the second level assembly, weighing hopper charge level indicator and first level assembly and second level assembly are all connecting PLC DCS control system. Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses the device makes sodium carbonate solution misce bene, structural design reasonable, the fund of using manpower sparingly.
Description
Technical Field
The utility model belongs to the technical field of waste water treatment, concretely relates to automatic dosing of sodium carbonate solution throws feeder apparatus.
Background
With the increasingly prominent environmental problems in China and the increasingly stricter national environmental emission standards, more and more production enterprises require advanced treatment and reuse or zero emission of wastewater in plants, wherein the treatment of desulfurization wastewater and comprehensive wastewater of each production line is the key point. Because the waste water is generally high in hardness and contains a large amount of calcium ions and magnesium ions which are easy to scale, when advanced treatment and recycling or zero-emission treatment are carried out, in order to prevent a subsequent membrane concentration system from scaling, a sodium carbonate solution is generally required to be added for softening pretreatment.
At present, a common sodium carbonate automatic feeding device is mainly characterized in that sodium carbonate is unloaded from a sodium carbonate silo to a screw conveyor through a star-shaped feeder, the sodium carbonate is conveyed to a sodium carbonate solution tank through the screw conveyor to be stirred, meanwhile, water is fed in proportion to prepare a solution with a proper concentration, and then the prepared solution is fed to a feeding point through a sodium carbonate feeding pump; because the water absorption of sodium carbonate is better, it is easy to be damped to store for a long time, the sodium carbonate absorbs water and agglomerates, the discharge gate is often blocked, cause the sodium carbonate amount that the star-type batcher actually carried to be inconsistent with quantity presumed, cause the actual solution concentration to not reach the concentration of making up a prescription that the system set for, and the existing device sodium carbonate solution disposes the disadvantage that the operation is complicated, the device structure is complicated, waste manpower fund.
Therefore, the utility model provides a be used for automatic dosing of sodium carbonate solution to throw feeder apparatus, the device sodium carbonate solution misce bene, structural design is reasonable, the fund of using manpower sparingly.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving above-mentioned prior art sodium carbonate solution and mixing inhomogeneous, structural design is complicated, extravagant manpower fund, provide one kind and be used for the automatic dosing of sodium carbonate solution to throw the device, the device sodium carbonate solution misce bene, structural design is reasonable, the fund of using manpower sparingly.
In order to achieve the above object, the utility model discloses a following technical scheme realizes: the utility model provides an automatic dosing device that dispenses of sodium carbonate solution, the sodium carbonate silo is being connected to weighing hopper one end, the sodium carbonate batch meter is being connected to the other end, the sodium carbonate batch meter is being connected the sodium carbonate solution case through sodium carbonate intermediate pump, weighing hopper one side is provided with the weighing hopper charge level indicator, sodium carbonate batch meter one side is provided with air inlet unit and water installations, the opposite side is provided with first level assembly, sodium carbonate solution case one side is provided with the second level assembly, weighing hopper charge level indicator and first level assembly and second level assembly are all connecting PLC DCS control system.
The discharge port of the sodium carbonate silo is provided with a mechanical vibrator.
The air inlet device is a compressed air pipe connected with an air inlet valve of the metering box.
The water inlet device is a water inlet pipe connected with a water inlet valve of the metering box.
The feed inlet of the measuring hopper is provided with a feed valve, and the discharge outlet is provided with a discharge valve.
The liquid inlet of the sodium carbonate solution tank is provided with a solution tank liquid inlet valve, the liquid outlet of the sodium carbonate solution tank is provided with a solution tank liquid outlet valve, and the solution tank liquid outlet valve is connected with a sodium carbonate dosing pump.
The first liquid level device is a high liquid level meter of a metering box and a low liquid level meter of the metering box, which are arranged on one side of a sodium carbonate metering box.
The second liquid level device is a solution tank high liquid level meter and a solution tank low liquid level meter which are arranged on one side of the sodium carbonate solution tank.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses the device makes sodium carbonate solution misce bene, structural design reasonable, the fund of using manpower sparingly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a diagram showing an operation screen of the present invention;
the system comprises a sodium carbonate silo 1, a mechanical vibrator 2, a metering hopper 3, a sodium carbonate metering box 4, a sodium carbonate intermediate pump 5, a sodium carbonate solution tank 6, a metering hopper feed valve 7, a metering hopper discharge valve 8, a metering box feed valve 9, a metering box inlet valve 10, a metering box liquid outlet valve 11, a solution tank liquid inlet valve 12, a PLC/DCS control system 13, a sodium carbonate dosing pump 14, a metering hopper level gauge 15, a metering box high level gauge 16, a metering box low level gauge 17, a solution tank high level gauge 18, a solution tank low level gauge 19, a solution tank liquid outlet valve 20, a compressed air pipeline 21 and a water inlet pipe 22.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are only a part of the embodiments of the present invention, not all embodiments. Based on the utility model discloses the embodiment of applying for, to the technical personnel of this field, a plurality of changes and improvements etc. that make, all other embodiments that obtain all belong to the scope of the utility model protection.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Combine the utility model discloses an attached drawing 1 and attached drawing 2, the utility model provides an automatic dosing of sodium carbonate solution throws feeder apparatus, including sodium carbonate silo 1, mechanical vibrator 2, batch meter 3, sodium carbonate batch meter 4, sodium carbonate intermediate pump 5, sodium carbonate solution tank 6, batch meter feed valve 7, batch meter discharge valve 8, batch meter water intaking valve 9, batch meter admission valve 10, batch meter liquid outlet valve 11, solution tank feed liquor valve 12, PLC DCS control system 13, sodium carbonate dosing pump 14, batch meter charge level indicator 15, batch meter high level indicator 16, batch meter low level indicator 17, solution tank high level indicator 18, solution tank low level indicator 19, solution tank liquid outlet valve 20, compressed air pipeline 21, inlet tube 22.
The sodium carbonate silo 1 is connected with a weighing hopper 3 for weighing sodium carbonate, and a mechanical vibrator 2 is arranged at the discharge port of the sodium carbonate silo 1. The upper end of the measuring hopper 3 is provided with a measuring hopper feed valve 7 for feeding sodium carbonate, and the lower end is provided with a measuring hopper discharge valve 8 for discharging the sodium carbonate. And a measuring hopper level indicator 15 is arranged on one side of the measuring hopper 3 and is connected with the PLC/DCS control system.
The metering A is that related workers click a metering automatic mode in an operation picture of a PLC/DCS control system 13, a start button is clicked, the PLC/DCS control system 13 automatically opens a metering hopper feed valve 7 first, closes a metering hopper discharge valve 8, sodium carbonate is conveyed into a metering hopper 3 from a sodium carbonate silo 1, when the sodium carbonate is conveyed to reach the level height of the metering hopper 3 set by the metering hopper 3, a metering hopper level meter 15 sends out a high level alarm signal, then the metering hopper feed valve 7 is closed, the metering hopper discharge valve 8 is opened, the sodium carbonate metered in the metering hopper 3 is put into a sodium carbonate metering tank 4, and the metering hopper discharge valve 8 is closed after the high level alarm signal of the metering hopper level meter 15 is closed. After the operation is completed, the actual value of the measurement a of the operation screen of the PLC/DCS control system 13 is displayed 1 time, and the operation is repeated according to the number of times of the measurement a set, and the measurement a is completed after the number of times of the measurement a set is reached. When the measurement A is started, the mechanical vibrator 2 is started to prevent the sodium carbonate from being damped and agglomerated to cause the blockage of the discharge hole of the sodium carbonate silo 1, and after the measurement A is finished, the mechanical vibrator 2 is automatically stopped.
Sodium carbonate batch meter 4 one side is provided with first liquid level device, and the opposite side is provided with air inlet unit and water installations to the liquid outlet of sodium carbonate batch meter 4 is provided with batch meter liquid outlet valve 11. The first liquid level device is a metering box high liquid level meter 16 and a metering box low liquid level meter 17 which are arranged on one side of the sodium carbonate metering box 4. The water inlet device is a water inlet pipe connected with a water inlet valve 9 of the metering box, and the air inlet device is an air inlet pipe connected with an air inlet valve 10 of the metering box.
And (3) opening a water inlet valve 9 of the metering box while metering the sodium carbonate by the metering hopper 3, and adding a certain proportion of water into the sodium carbonate metering box to be fully mixed with the sodium carbonate fed from the metering hopper 3, wherein the process is metering B. The added water quantity is set according to a liquid level meter on the sodium carbonate metering box 4, when the water quantity reaches the liquid level height set by the high liquid level meter 16 of the metering box, the water inlet valve 9 of the metering box is closed, and the metering B is finished.
When the sodium carbonate metering box 4 opens the water inlet valve 9 of the metering box to feed water, the air inlet valve 10 of the metering box is opened, and compressed air enters the sodium carbonate metering box 4 to aerate, so that the prepared sodium carbonate solution is uniformly mixed, and the condition of sodium carbonate precipitation is avoided.
A solution tank liquid inlet valve 12 is arranged at a liquid inlet of the sodium carbonate solution tank 6, a solution tank liquid outlet valve 20 is arranged at a liquid outlet, and a second liquid level device is arranged at one side of the sodium carbonate solution tank 6. The second liquid level device is a solution tank high liquid level meter 18 and a solution tank ground liquid level meter 19 which are arranged on one side of the sodium carbonate solution tank 6. The solution tank inlet valve 12 is connected with the metering tank outlet valve 11, a sodium carbonate intermediate pump 5 is arranged between the solution tank inlet valve and the metering tank outlet valve, and the solution tank outlet valve 20 is connected with a sodium carbonate dosing pump 14.
It should be noted that the parameter settings of the measurement a and the measurement B of the apparatus, the PLC/DCS control system 13, the hopper level gauge 15, the high tank gauge 16, the low tank gauge 17, the high tank gauge 18 and the low tank gauge 19 are all prior art.
When the measurement A and the measurement B all reach set values, the measurement is finished, the concentration of the solution in the sodium carbonate measuring tank 4 reaches the preparation concentration set by a system, the liquid outlet valve 11 of the measuring tank is opened, the liquid inlet valve 12 of the solution tank is started, the sodium carbonate intermediate pump 5 is started, the prepared sodium carbonate solution is conveyed into the sodium carbonate solution tank 6 through the sodium carbonate intermediate pump 5, when the liquid level of the sodium carbonate solution tank 6 reaches the height set by the high liquid level meter 18 of the solution tank, the sodium carbonate intermediate pump 5 is stopped, the liquid outlet valve 11 of the measuring tank is closed, and the liquid inlet valve 12 of the solution tank is closed. When the solution in the sodium carbonate measuring tank 4 reaches the liquid level height set by the low liquid level meter 17 of the measuring tank, the PLC/DCS control system 13 sends a signal, and the control device starts to measure and dispense the medicine. When the solution in the sodium carbonate solution tank 6 reaches a low liquid level, the PLC/DCS control system 13 sends out a control signal, the liquid outlet valve 11 of the metering tank is automatically opened, the liquid inlet valve 12 of the solution tank is started, the sodium carbonate intermediate pump 5 is started, the prepared sodium carbonate solution is conveyed into the sodium carbonate solution tank 6, and the stable and sufficient adding amount of the sodium carbonate solution in the system is ensured.
The utility model discloses a concrete working process, as follows: the related staff sets the measurement A and the measurement B according to the required concentration of the sodium carbonate solution.
Firstly, relevant workers click a metering automatic mode in an operation picture of a PLC/DCS control system 13, click a start button, the PLC/DCS control system 13 automatically opens a feeding valve 7 of a metering hopper first, closes a discharging valve 8 of the metering hopper, conveys sodium carbonate from a sodium carbonate silo 1 to the metering hopper 3, and starts a mechanical vibrator 2 to prevent a discharge port of the sodium carbonate silo 1 from being blocked due to the fact that the sodium carbonate is damped and agglomerated. When the sodium carbonate reaches the set material level height of the weighing hopper 3, the weighing hopper level indicator 15 sends out a high material level alarm signal, the weighing hopper feed valve 7 is closed, the weighing hopper discharge valve 8 is opened, the sodium carbonate is put into the sodium carbonate weighing tank 4, after the high material level alarm signal of the weighing hopper level indicator 15 is closed, the weighing hopper discharge valve 8 is closed, the actual value of the operation picture metering A in the program of the PLC/DCS control system 13 is displayed for 1 time, repeated operation is carried out according to the system set metering times, and after the system set metering A times are reached, the metering A is ended. When the metering a is finished, the mechanical vibrator 2 is automatically stopped.
At the same time of metering by the metering hopper 3, a water inlet valve 9 of the metering box is opened, and a certain proportion of water is added into the sodium carbonate metering box 4 to be fully mixed with the sodium carbonate fed from the metering hopper 3, and the process is metering B. The added water quantity is set according to a liquid level meter on the sodium carbonate measuring tank 4, when the water quantity reaches the liquid level height set by the high liquid level meter 16 of the measuring tank, the high liquid level meter 16 of the measuring tank sends a signal, the water inlet valve 9 of the measuring tank is closed, and meanwhile, the measurement B is finished.
When the sodium carbonate metering box 4 intakes water, the air inlet valve 10 of the metering box is opened, and compressed air enters the sodium carbonate metering box 4 for aeration, so that the prepared sodium carbonate solution is uniformly mixed, and the precipitation condition is avoided.
When the measurement A and the measurement B all reach set values, the measurement is finished, the concentration of the solution in the sodium carbonate measuring tank 4 reaches the preparation concentration set by a system, the liquid outlet door 11 of the measuring tank is opened, the liquid inlet door 12 of the solution tank is opened, the sodium carbonate intermediate pump 5 is started, the prepared sodium carbonate solution is conveyed into the sodium carbonate solution tank 6 through the sodium carbonate intermediate pump 5, when the liquid level of the sodium carbonate solution tank 6 reaches the liquid level height set by the high liquid level meter 18 of the solution tank, the sodium carbonate intermediate pump 5 is stopped, the liquid outlet door 11 of the measuring tank is closed, and the liquid inlet door 12 of the solution tank is closed.
When the sodium carbonate solution in the sodium carbonate measuring tank 4 reaches the low liquid level meter 17 of the measuring tank, the low liquid level meter 17 of the measuring tank sends a signal, the PLC/DCS control system 13 sends a metering instruction, and the dosage adding device is controlled to automatically start metering and dispensing. When the solution in the sodium carbonate solution tank 6 reaches the low level gauge 19 of solution tank, the low level gauge 19 of solution tank sends a signal, and PLC/DCS control system 13 sends a control signal, opens the liquid outlet valve 11 of the metering tank, and the liquid inlet valve 12 of the solution tank, starts the sodium carbonate intermediate pump 5, and squeezes the prepared sodium carbonate solution into the sodium carbonate solution tank 6, so as to ensure that the adding amount of the sodium carbonate solution in the system is stable and sufficient.
When the solution in the sodium carbonate measuring tank 4 reaches the liquid level height set by the low liquid level meter 17 of the measuring tank, the PLC/DCS control system 13 sends a signal, and the control device starts to measure and dispense the medicine. When the solution in the sodium carbonate solution tank 6 reaches a low liquid level, the PLC/DCS control system 13 sends out a control signal, the liquid outlet valve 11 of the metering tank is automatically opened, the liquid inlet valve 12 of the solution tank is started, the sodium carbonate intermediate pump 5 is started, the prepared sodium carbonate solution is conveyed into the sodium carbonate solution tank 6, and the stable and sufficient adding amount of the sodium carbonate solution in the system is ensured.
In the prior art, the sodium carbonate automatic feeding device mainly discharges sodium carbonate from a sodium carbonate silo to a screw conveyor through a star-shaped feeder, the sodium carbonate is conveyed to a sodium carbonate solution box through the screw conveyor to be stirred, meanwhile, water is fed in proportion to prepare a solution with a proper concentration, and the prepared solution is fed to a dosing point through a sodium carbonate dosing pump. And the utility model provides a be used for automatic dosing of sodium carbonate solution to throw feeder apparatus, the utility model discloses the device makes sodium carbonate solution misce bene, structural design reasonable, the fund of using manpower sparingly.
The above description of the present invention is only the preferred embodiments shown in the attached drawings, but not intended to limit the scope of the present invention, and it should be noted that, for those skilled in the art, those skilled in the art should not pay any modification, equivalent replacement, improvement, etc. made by creative work without departing from the overall concept of the present invention, and these should be all included in the scope of the present invention.
Claims (8)
1. The utility model provides an automatic dosing of sodium carbonate solution throws feeder apparatus, sodium carbonate silo (1) is being connected to weighing hopper (3) one end, and sodium carbonate batch meter (4) are being connected to the other end, and sodium carbonate batch meter (4) are connecting sodium carbonate solution tank (6), its characterized in that through sodium carbonate intermediate pump (5): one side of the measuring hopper (3) is provided with a measuring hopper material level meter (15), one side of the sodium carbonate measuring tank (4) is provided with an air inlet device and an water inlet device, the other side of the sodium carbonate measuring tank is provided with a first liquid level device, one side of the sodium carbonate solution tank (6) is provided with a second liquid level device, and the measuring hopper material level meter (15), the first liquid level device and the second liquid level device are connected with a PLC/DCS control system (13).
2. The automatic dispensing and adding device for sodium carbonate solution according to claim 1 is characterized in that: a mechanical vibrator (2) is arranged at the discharge hole of the sodium carbonate silo (1).
3. The automatic dispensing and adding device for sodium carbonate solution according to claim 1 is characterized in that: the air inlet device is a compressed air pipeline (21) connected with an air inlet valve (10) of the metering box.
4. The automatic dispensing and adding device for sodium carbonate solution according to claim 1 is characterized in that: the water inlet device is characterized in that a water inlet pipe (22) is connected with a water inlet valve (9) of the metering box.
5. The automatic dispensing and adding device for sodium carbonate solution according to claim 1 is characterized in that: the feed inlet of the measuring hopper (3) is provided with a feed valve (7), and the discharge outlet is provided with a discharge valve (8).
6. The automatic dispensing and adding device for sodium carbonate solution according to claim 1 is characterized in that: a solution tank liquid inlet valve (12) is arranged at a liquid inlet of the sodium carbonate solution tank (6), a solution tank liquid outlet valve (20) is arranged at a liquid outlet, and the solution tank liquid outlet valve (20) is connected with a sodium carbonate dosing pump (14).
7. The automatic dispensing and adding device for sodium carbonate solution according to claim 1 is characterized in that: the first liquid level device is a metering box high liquid level meter (16) and a metering box low liquid level meter (17) which are arranged on one side of the sodium carbonate metering box (4).
8. The automatic dispensing and adding device for sodium carbonate solution according to claim 1 is characterized in that: the second liquid level device is a solution tank high liquid level meter (18) and a solution tank low liquid level meter (19) which are arranged on one side of the sodium carbonate solution tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120363436.2U CN214598847U (en) | 2021-02-08 | 2021-02-08 | Automatic dosing device for sodium carbonate solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120363436.2U CN214598847U (en) | 2021-02-08 | 2021-02-08 | Automatic dosing device for sodium carbonate solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214598847U true CN214598847U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120363436.2U Active CN214598847U (en) | 2021-02-08 | 2021-02-08 | Automatic dosing device for sodium carbonate solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214598847U (en) |
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2021
- 2021-02-08 CN CN202120363436.2U patent/CN214598847U/en active Active
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