Automatic bleaching powder disinfectant adding device and system

Abstract

The utility model relates to the technical field of automatic adding devices, and discloses an automatic bleaching powder disinfectant adding device and system, the automatic bleaching powder disinfectant adding device comprises a disinfectant storage tank, a dosing pressurization mechanism, a flow and pressure regulation and control mechanism and an electric control display mechanism, the top of the disinfectant storage tank is provided with a protective shell, and the top of the protective shell is provided with a driving piece; the purposes of accurate feeding and stable disinfection effect are achieved, the whole feeding process is completely automatic, manual intervention is not needed, and the labor intensity of operators and the management cost are remarkably reduced; after bleaching powder is added into the disinfectant storage tank, the impact rod synchronously impacts the elastic plate to assist in mixing while internal stirring is performed, liquid can be effectively penetrated by vibration of the impact rod on the elastic plate, precipitates are difficult to adhere and harden, the initial structure of the precipitates can be effectively destroyed, violent shearing of a high-speed stirring frame on the liquid is avoided, and the service life of the disinfectant storage tank is prolonged. The generation of a large amount of bubbles is inhibited, and the stability of an adding system is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic adding device technical field, concretely is a bleaching powder disinfectant solution automatic adding device and adding system. BACKGROUND

[0002] Bleaching powder disinfectant solution is the aqueous solution with bleaching powder as main component, and the bleaching powder is the mixture of calcium hydroxide, calcium chloride and calcium hypochlorite, and the effective component is calcium hypochlorite, and the disinfectant solution releases hypochlorous acid and strong oxidizing atomic oxygen to play the role of sterilization, disinfection and bleaching after dissolving in water, and it is widely used in disinfection in the fields of drinking water, swimming pool, environmental object surface and food industry, and in the urban and rural water supply pipe network, in order to inhibit the breeding of bacteria and microorganism, guarantee the safety of water supply, and need to add disinfectant continuously in the pipe network.

[0003] However, the existing automatic adding device is easy to produce sediment after adding bleaching powder by natural dissolution in the use process, and if continuous stirring is carried out through the stirring device, the solution bubble is easy to increase due to excessive stirring. Therefore, the technical personnel in the field provides a bleaching powder disinfectant solution automatic adding device and adding system to solve the problems in the above background. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a bleaching powder disinfectant solution automatic adding device and adding system to solve the problems in the above background that the sediment is easy to produce by natural dissolution, and the solution bubble is easy to increase due to excessive stirring if continuous stirring is carried out through the stirring device.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A bleaching powder disinfectant solution automatic adding device, including disinfectant solution storage tank, dosing and pressure mechanism, flow and pressure control mechanism and electric control display mechanism, its characterized in that, the top of disinfectant solution storage tank is provided with protective shell, the top of protective shell is installed with driving piece, the output end of driving piece is provided with the stirring frame extending to the inside of disinfectant solution storage tank, the output shaft of driving piece is also installed with eccentric wheel, one side of eccentric wheel is provided with the impact mechanism penetrating the lateral wall of protective shell, and the top of disinfectant solution storage tank is provided with elastic plate on the side of impact mechanism.

[0007] As the further scheme of the utility model, the impact mechanism includes the impact rod penetrating the lateral wall of protective shell, and the end of the impact rod inside the protective shell is provided with the movable plate, and the part of the impact rod inside the protective shell is sleeved with the reset spring.

[0008] As a further scheme of the utility model, the movable plate is provided with a roller support on the side away from the reset spring, a connecting roller in contact with the periphery of the eccentric wheel is rotatably connected to the roller support through a rotating shaft, a limiting rod is fixed to the inner wall of one side of the protective shell, and the movable plate is movably sleeved on the outside of the limiting rod.

[0009] As a further scheme of the utility model, the inside of the disinfectant liquid storage tank is provided with a liquid level sensor for monitoring the residual liquid amount, the medicine outlet of the medicine adding and pressurizing mechanism is connected with the municipal pipeline, the liquid level sensor monitors the liquid level in the disinfectant liquid storage tank in real time, can send an alarm when the liquid level is too low, realizes automatic water replenishment or medicine adding prompting, avoids pump body idling, and the medicine adding and pressurizing mechanism accurately pressurizes and delivers the prepared disinfectant liquid to the municipal pipeline, and ensures that the disinfectant is effectively diffused in the water supply network.

[0010] As a further scheme of the utility model, the disinfectant liquid storage tank is arranged in the supporting frame, the disinfectant liquid storage tank is provided with a mounting box on one side, the medicine adding and pressurizing mechanism, the flow and pressure regulating mechanism and the electric control display mechanism are arranged in the mounting box, the supporting frame provides stable support and positioning for the disinfectant liquid storage tank, the mounting box integrates the medicine adding and pressurizing mechanism, the flow and pressure regulating mechanism and the electric control display mechanism together, so that the structure is compact, and installation, management and maintenance are facilitated, and internal elements are protected.

[0011] As a further scheme of the utility model, the driving member is a servo motor, the bottom of the disinfectant liquid storage tank is connected to the medicine adding pump liquid inlet of the medicine adding and pressurizing mechanism through a joint, the medicine outlet of the medicine adding and pressurizing mechanism is connected to the municipal pipeline through a pipeline, and the flow and pressure regulating mechanism is communicated with the medicine adding and pressurizing mechanism through a pipeline.

[0012] A kind of application is added to the adding system of bleaching powder disinfectant liquid automatic, including:

[0013] Flow rate sensor and liquid level sensor are installed in the inside of municipal water pipe;

[0014] Central processing unit, flow rate sensor and liquid level sensor are electrically connected with central processing unit;

[0015] Adding pump, central processing unit is electrically connected with adding pump;

[0016] Adding pump is connected with disinfectant liquid storage tank by pipeline.

[0017] In the embodiment, the central processing unit includes signal receiving module, flow calculation module and signal output module;

[0018] The signal receiving module is used for receiving parameter signals from the flow rate sensor and the liquid level sensor, the flow rate calculation module is used for calculating the instantaneous water flow rate of the municipal pipeline according to the parameter signals, and the required disinfectant adding amount is calculated according to the instantaneous water flow rate of the municipal pipeline and the preset adding concentration, and the signal output module is used for generating and outputting a control signal to the adding pump according to the required adding amount obtained by the flow rate calculation module, and the adding pump executes the disinfectant adding instruction.

[0019] Compared with the prior art, the utility model has the advantages that:

[0020] 1、The adding amount of disinfectant can strictly change synchronously with the change of tap water flow, which ensures that the disinfectant concentration in the pipe network can be maintained in a set range which is effective and safe during the whole water using period, avoids the problems of insufficient disinfection or excessive disinfection, realizes accurate adding and stable disinfection effect, the whole adding process is fully automated and does not need manual intervention, and the labor intensity and management cost of the operating personnel are remarkably reduced,

[0021] 2、After bleaching powder is added to the disinfectant storage tank, the driving part is started, a discontinuous stirring mode is adopted, the stirring frequency of the stirring frame is linked with the impact rod, the internal stirring is simultaneously assisted by the synchronous impact of the impact rod on the elastic plate, the vibration of the impact rod on the elastic plate can effectively penetrate the liquid and act on the dead angle at the top of the disinfectant storage tank container, so that the deposition is difficult to adhere and harden, the initial structure of the deposition can be effectively destroyed, and meanwhile, the violent shearing of the high-speed stirring frame on the liquid is avoided, the generation of a large amount of bubbles is inhibited, and the stability of the adding system is beneficially ensured. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a perspective view of a bleaching powder disinfectant automatic adding device;

[0023] Figure 2 It is another angle structural schematic view of a bleaching powder disinfectant automatic adding device;

[0024] Figure 3 It is an outside structural schematic view of a stirring frame in a bleaching powder disinfectant automatic adding device;

[0025] Figure 4 It is another angle structural schematic view of a stirring frame in a bleaching powder disinfectant automatic adding device;

[0026] Figure 5 It is a structural schematic view of a bleaching powder disinfectant automatic adding system.

[0027] In the figure: 1, disinfectant storage tank; 21, protective shell; 22, driving part; 23, stirring frame; 24, eccentric wheel; 25, return spring; 26, movable plate; 27, roller support; 28, connecting roller; 29, impact rod; 210, limiting rod; 3, dosing and pressurizing mechanism; 4, flow and pressure regulating mechanism; 5, electric control display mechanism; 6, support frame; 7, elastic plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] Please refer to Figures 1-4 In the embodiments of the utility model, a bleaching powder disinfectant automatic feeding device comprises a disinfectant storage tank 1, a dosing and pressurizing mechanism 3, a flow and pressure regulating mechanism 4 and an electric control display mechanism 5. The top of the disinfectant storage tank 1 is provided with a protective shell 21. The top of the protective shell 21 is installed with a driving part 22. The output end of the driving part 22 is provided with a stirring frame 23 extending into the interior of the disinfectant storage tank 1. The driving part 22 is a servo motor. The model of the servo motor is IBL60PR-200W-24V-C17. The rotational speed and direction of the stirring frame 23 can be accurately controlled. The intermittent forward and reverse stirring is realized. The mixing effect is optimized. An eccentric wheel 24 is also installed on the output shaft of the driving part 22. The eccentric wheel 24 is provided with an impact mechanism penetrating through the side wall of the protective shell 21 on one side. The top of the disinfectant storage tank 1 is provided with an elastic plate 7 on the side of the impact mechanism.

[0030] It should be noted that the impact mechanism comprises an impact rod 29 penetrating through the side wall of the protective shell 21. The end of the impact rod 29 located in the interior of the protective shell 21 is provided with a movable plate 26. The part of the impact rod 29 located in the interior of the protective shell 21 is sleeved with a return spring 25.

[0031] In the embodiments, the side of the movable plate 26 away from the return spring 25 is provided with a roller support 27. The roller support 27 is rotatably connected with a connecting roller 28 in contact with the periphery of the eccentric wheel 24 through a rotating shaft. The side inner wall of the protective shell 21 is fixed with a limiting rod 210. The movable plate 26 is movably sleeved on the outside of the limiting rod 210. The connecting roller 28 is in contact with the eccentric wheel 24, so that the sliding friction is changed into rolling friction. The abrasion and noise of the eccentric wheel 24 during rotation are reduced. The movement is smoother. The service life and stability of the mechanism are improved.

[0032] It should be noted that the inside of the disinfectant liquid storage tank 1 is provided with a liquid level sensor for monitoring the residual liquid amount, the medicine outlet of the medicine adding and pressurizing mechanism 3 is connected with the municipal pipeline, the liquid level sensor monitors the liquid level in the disinfectant liquid storage tank 1 in real time, can issue an alarm when the liquid level is too low, realize automatic water replenishment or prompt medicine adding, avoid pump body idling, the medicine adding and pressurizing mechanism 3 accurately pressurizes and transports the prepared disinfectant liquid to the municipal pipeline, and ensures that the disinfectant is effectively diffused in the water supply network.

[0033] Specifically, the disinfectant liquid storage tank 1 is arranged in the support frame 6, one side of the disinfectant liquid storage tank 1 is provided with a mounting box, the medicine adding and pressurizing mechanism 3, the flow and pressure regulating mechanism 4 and the electric control display mechanism 5 are arranged in the mounting box, the support frame 6 provides stable support and positioning for the disinfectant liquid storage tank 1, the mounting box integrates the medicine adding and pressurizing mechanism 3, the flow and pressure regulating mechanism 4 and the electric control display mechanism 5 together, so that the structure is compact, and installation, management and maintenance are facilitated, and internal elements are protected.

[0034] It should be noted that the bottom of the disinfectant liquid storage tank 1 is connected to the medicine adding pump liquid inlet of the medicine adding and pressurizing mechanism 3 through a joint for providing liquid medicine to the medicine adding and pressurizing mechanism 3, the medicine outlet of the medicine adding and pressurizing mechanism 3 is connected to the municipal pipeline through a pipeline for delivering the pressurized disinfectant liquid to the municipal pipeline, and the flow and pressure regulating mechanism 4 is communicated with the medicine adding and pressurizing mechanism 3 through a pipeline for real-time monitoring and regulating the medicine adding flow and system pressure, realizing real-time monitoring and accurate regulation of the medicine adding flow and system pressure, and ensuring stable addition.

[0035] Please refer to Figure 5 , the utility model discloses a kind of application in bleaching powder disinfectant liquid automatic adding device's adding system, comprising:

[0036] Flow sensor and liquid level sensor are installed in municipal water pipe inside;

[0037] Central processing unit, flow sensor and liquid level sensor are electrically connected with central processing unit;

[0038] Adding pump, central processing unit is electrically connected with adding pump;

[0039] Adding pump is connected with disinfectant liquid storage tank 1 by pipeline.

[0040] In the embodiment, central processing unit includes signal receiving module, flow calculation module and signal output module;

[0041] The signal receiving module is configured to receive parameter signals from the flow rate sensor and the liquid level sensor, the flow rate calculation module is configured to calculate the instantaneous water flow rate of the municipal pipeline according to the parameter signals, and calculate the required disinfectant dosage according to the instantaneous water flow rate of the municipal pipeline and the preset dosage concentration, and the signal output module is configured to generate and output a control signal to the dosing pump according to the required dosage obtained by the flow rate calculation module, and the dosing pump executes the disinfectant dosing instruction.

[0042] It should be noted that the flow rate sensor is installed inside or outside the pipe wall of the water pipe to be disinfected, for real-time detection of the flow rate V of the water flow in the pipe, and the liquid level sensor is installed inside the pipe or in the inspection well, for real-time detection of the water depth H or fullness of the water flow in the pipe, and the input end of the central processing unit is connected with the flow rate sensor and the liquid level sensor through a data line, and the output end is connected with the dosing pump through a control line.

[0043] Specifically, the central processing unit has an algorithm program pre-stored therein, which calculates the flow area A of the water flow at the current fullness according to the measured water depth H and the known pipe shape and size (such as the diameter D of the circular pipe), and then calculates the instantaneous flow rate Q of the water pipe in real time according to the formula of fluid mechanics, i.e. instantaneous flow rate Q = flow area A × flow rate V.

[0044] The dosing amount calculation central processing unit has a preset dosage concentration ratio K (unit: mg / L) of the disinfectant, and the instantaneous output amount of the dosing pump = Q × K according to the formula, so as to calculate the disinfectant flow rate required by the dosing pump at the current time to achieve the ratio.

[0045] Control signal output: according to the calculated required disinfectant flow rate, a corresponding pulse width modulation (PWM) signal or analog signal is generated and output to the dosing pump for execution.

[0046] In summary, in use, the bottom of the disinfectant storage tank 1 is connected to the dosing pump liquid inlet of the dosing and pressurizing mechanism 3 through a corrosion-resistant joint, a liquid level sensor is arranged in the disinfectant storage tank 1 for monitoring the remaining liquid amount, the dosing and pressurizing mechanism 3 is driven by an electric plunger pump, and through an adjustable flow valve and a check valve, the functions of quantitative dosing and automatic pressurizing are realized, a pressure gauge, a pressure reducing valve, a safety valve and a flow meter are arranged in the pipeline of the dosing and pressurizing mechanism 3 to ensure that the output pressure and flow are stable, the dosing outlet of the dosing and pressurizing mechanism 3 is connected to a municipal pipeline or a water sample pipeline, the flow and pressure control mechanism 4 comprises a pressure gauge, a pressure reducing valve, a check valve, a bypass pipeline and a flow sensor, the system pressure can be monitored in real time and the pump speed or the bypass ratio can be automatically adjusted to maintain the target pressure range, the electric control display mechanism 5 comprises an embedded control panel, the embedded control panel comprises a touch screen, a start-stop switch and an operation indicator light, a microcontroller unit MCU is arranged in the electric control display mechanism 5 and is responsible for pump speed adjustment, liquid level alarm, flow acquisition and dosing amount control, after bleaching powder is added to the disinfectant storage tank 1, the driving part 22 is started, the stirring frame 23 is intermittently rotated clockwise and counterclockwise through the output shaft of the driving part 22, the output shaft of the driving part 22 also drives the eccentric wheel 24 to rotate when rotating, the eccentric wheel 24 can drive the connecting roller 28 and the roller support 27 to move horizontally when rotating, the movable plate 26 overcomes the elastic force of the return spring 25 and drives the impact rod 29 to move, so that one end of the impact rod 29 can intermittently impact the elastic plate 7, a non-continuous stirring mode is adopted, the stirring frequency of the stirring frame 23 is linked with the impact rod 29, the inside is stirred at the same time, the impact rod 29 synchronously impacts the elastic plate 7 to assist mixing, the vibration of the impact rod 29 to the elastic plate 7 can effectively penetrate the liquid, acts on the dead angle at the top of the disinfectant storage tank 1 container, so that the precipitate is difficult to adhere and harden, it can effectively destroy the initial structure of the precipitate, at the same time, high-speed stirring frame 23 is avoided to the liquid The violent shearing inhibits the generation of a large number of bubbles, which is conducive to ensuring the stability of the dosing system.

[0047] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An automatic bleaching powder disinfectant dosing device, comprising a disinfectant storage tank (1), a dosing and pressurizing mechanism (3), a flow and pressure control mechanism (4), and an electronic control display mechanism (5), characterized in that, The disinfectant storage tank (1) is provided with a protective shell (21) on top. A drive unit (22) is installed on the top of the protective shell (21). A stirring rack (23) extending into the interior of the disinfectant storage tank (1) is provided at the output end of the drive unit (22). An eccentric wheel (24) is also installed on the output shaft of the drive unit (22). An impact mechanism penetrating the side wall of the protective shell (21) is provided on one side of the eccentric wheel (24). An elastic plate (7) is provided on the top of the disinfectant storage tank (1) on the side of the impact mechanism.

2. The automatic dosing device for bleaching powder disinfectant according to claim 1, characterized in that, The impact mechanism includes an impact rod (29) that penetrates the side wall of the protective shell (21). One end of the impact rod (29) located inside the protective shell (21) is provided with a movable plate (26), and the part of the impact rod (29) located inside the protective shell (21) is fitted with a return spring (25).

3. The automatic dosing device for bleaching powder disinfectant according to claim 2, characterized in that, A roller bracket (27) is provided on the side of the movable plate (26) away from the return spring (25). A connecting roller (28) that contacts the periphery of the eccentric wheel (24) is rotatably connected to the roller bracket (27) via a rotating shaft. A limit rod (210) is fixed on the inner wall of one side of the protective shell (21). The movable plate (26) is movably sleeved on the outside of the limit rod (210).

4. The automatic dosing device for bleaching powder disinfectant according to claim 3, characterized in that, The disinfectant storage tank (1) is equipped with a liquid level sensor for monitoring the amount of residual liquid, and the outlet of the dosing and pressurizing mechanism (3) is connected to the municipal pipeline.

5. The automatic dosing device for bleaching powder disinfectant according to claim 1, characterized in that, The disinfectant storage tank (1) is set inside the support frame (6). An installation box is provided on one side of the disinfectant storage tank (1). The dosing and pressurizing mechanism (3), the flow and pressure control mechanism (4) and the electronic control display mechanism (5) are all set inside the installation box.

6. The automatic dosing device for bleaching powder disinfectant according to claim 1, characterized in that, The driving component (22) is a servo motor. The bottom of the disinfectant storage tank (1) is connected to the inlet of the dosing pump of the dosing and pressurizing mechanism (3) through a connector. The outlet of the dosing and pressurizing mechanism (3) is connected to the municipal pipeline through a pipeline. The flow and pressure control mechanism (4) is connected to the dosing and pressurizing mechanism (3) through a pipeline.

7. A dosing system applied to the automatic dosing device for bleaching powder disinfectant as described in any one of claims 1-6, characterized in that, include: Flow rate sensors and liquid level sensors installed inside municipal water pipes; The central processing unit, flow rate sensor, and level sensor are electrically connected to the central processing unit; The dosing pump is electrically connected to the central processing unit. The dosing pump is connected to the disinfectant storage tank (1) via a pipeline.

8. The dosing system according to claim 7, characterized in that, The central processing unit includes a signal receiving module, a flow calculation module, and a signal output module; The signal receiving module is used to receive parameter signals from the flow rate sensor and the liquid level sensor. The flow calculation module is used to calculate the instantaneous water flow rate of the municipal pipeline based on the parameter signals, and calculate the required amount of disinfectant to be added based on the instantaneous water flow rate of the municipal pipeline and the preset addition concentration. The signal output module is used to generate and output a control signal to the dosing pump based on the required addition amount obtained by the flow calculation module, and the dosing pump executes the disinfectant dosing command.

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