PAM preparation device based on flow fluctuation
By using a PAM automatic preparation device based on flow fluctuations and leveraging the logic operations of a PLC controller and an HMI touchscreen, the problem of uneven reagent concentration caused by fluctuations in incoming water flow was solved, achieving uniform reagent dissolution and device stability, and reducing operating costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-07
- Publication Date
- 2026-04-07
AI Technical Summary
During the preparation of PAM, fluctuations in the influent flow rate can lead to uneven reagent concentration, which can easily cause floc formation, affecting the flocculation effect and increasing costs.
An automatic PAM preparation device based on flow fluctuations is adopted. It uses a PLC controller and HMI touch screen for logic calculations, and monitors the incoming water flow in real time through a flow sensor to adjust the dosage of the quantitative dosing device, ensuring uniform dissolution of dry powder PAM and avoiding floc formation.
This achieved uniform dissolution of the reagent, improved reaction efficiency and device stability, and reduced operating costs.
Smart Images
Figure CN224086648U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to sewage treatment technical field especially relates to a PAM preparation device based on flow fluctuation. BACKGROUND
[0002] PAM (i.e. polyacrylamide) is one of the most widely used varieties in water-soluble polymer compounds. At the same time, as a flocculant, it is widely used in water treatment, papermaking, petroleum, coal, geology, light textile, construction and other industries. In the preparation process of conventional PAM reagent, it needs to be mixed and stirred with water, but in the process of dissolution, the fluctuation of water flow leads to uneven mixing, uneven concentration of reagent, and even easy to form flocs, affecting the normal operation of the dosing system. At the same time, the uneven reagent affects the flocculation effect of sewage, thereby wasting the reagent and increasing the cost of sewage treatment.
[0003] To this end, the application designs a PAM automatic preparation device based on flow fluctuation to solve the problem of uneven reagent concentration or easy to form flocs caused by water flow fluctuation of dry powder PAM automatic preparation device, and simplify the operation process and reduce the operation cost. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing a PAM preparation device based on flow fluctuation to solve the problems in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a PAM preparation device based on flow fluctuation, comprising a triple box body, the top surface of the triple box body is provided with an electric control system and a liquid level monitoring sensor; a solution stirrer is provided through the top surface of the triple box body, the top surface of the triple box body is provided with a dry powder storage tank, a quantitative dosing device is communicated between the discharge port of the dry powder storage tank and the inside of the triple box body, and the discharge port of the dry powder storage tank is provided with a vibrating device.
[0006] Preferably, the electric control system comprises a PLC controller and an HMI man-machine interaction touch screen.
[0007] Preferably, the top surface of the triple box body is provided with a cyclone premixer and an alarm, and the inside of the triple box body is provided with a flow sensor, and the flow sensor is electrically connected with the cyclone premixer and the alarm.
[0008] Preferably, the electric control system performs logical operation according to the signal of the flow sensor and the preset reagent concentration value given by the HMI touch screen, and adjusts the amount of dry powder PAM dosed by the quantitative dosing device.
[0009] The utility model at least has the following beneficial effects:
[0010] 1, PLC controller sets the "dilution concentration" parameter on the HMI touch screen, and collects the incoming water flow of the flow sensor, adjusts the drug output of the quantitative dosing device after logical operation, so that the dry powder PAM is uniformly dissolved, and the reaction efficiency is improved;
[0011] 2, The PLC controller can monitor the water inflow in real time through the remote water inflow; when the water pressure is unstable and causes water fluctuation, the PLC controller timely gives instructions to adjust the frequency of the quantitative dosing device motor, realizes the amount of dry powder PAM into the cyclone premixer, avoids the reduction of water to form flocculation; or the increase of water causes the PAM medicament concentration to be too low, which significantly reduces the coagulation effect of the sewage; or the water flow is interrupted, and the PLC controller can timely issue instructions to stop the automatic configuration of the PAM medicament. In this way, the PAM automatic preparation device does not need to be manually adjusted by the staff, improves the stability of the device, and saves the cost of medicaments. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a structure schematic view of the PAM automatic preparation device of the utility model for flow fluctuation.
[0013] Figure 2 It is a part of the PLC controller of the utility model.
[0014] Figure 3 It is the HMI man-machine interface picture of the utility model.
[0015] In the drawing mark: 1, liquid level monitoring sensor; 2, electric control system; 3, three-way box; 4, solution stirrer; 5, quantitative dosing device; 6, dry powder storage box; 7, vibration device; 8, alarm; 9, flow sensor; 10, cyclone premixer. DETAILED DESCRIPTION
[0016] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0017] EMBODIMENT
[0018] Please refer to Figure 1 , Figure 2 and Figure 3The utility model provides a technical scheme: a PAM preparation device based on flow fluctuation, including triplex box body 3, the top surface one side of triplex box body 3 is equipped with electric control system 2 and liquid level monitoring sensor 1, the top surface of triplex box body 3 is equipped with solution stirrer 4, the top surface of triplex box body 3 is equipped with dry powder storage tank 6, the discharge port of dry powder storage tank 6 is equipped with quantitative dosing device 5 with the inside of triplex box body 3, and the discharge port of dry powder storage tank 6 is equipped with vibrating device 7.
[0019] Further, the electric control system 2 includes a PLC controller and an HMI touch screen.
[0020] Further, the top surface of the triplex box body 3 is provided with a cyclone premixer 10 and an alarm 8, and the inside of the triplex box body 3 is provided with a flow sensor 9, which is electrically connected to the cyclone premixer 10 and the alarm 8.
[0021] Further, the electric control system 2 performs logical operation according to the signal of the flow sensor 9 and the preset value of the medicament concentration given by the HMI touch screen, and adjusts the amount of dry powder PAM added by the quantitative dosing device 5.
[0022] In the embodiment:
[0023] The electric control system is internally provided with a PLC controller, an HMI touch screen, and other electrical elements. The flow sensor has a remote transmission function, and the quantitative dosing device includes an actuator (a variable frequency motor) with variable frequency adjustment.
[0024] The HMI touch screen on the electric control system control box has a preset "dilution concentration" parameter. The PLC controller collects the incoming water flow parameters of the flow sensor, and these parameters participate in logical operation.
[0025] After a series of logical operations by the PLC controller, the amount of dry powder PAM entering the cyclone premixer from the quantitative dosing device is obtained. The first section is a pre-dissolution section, the last two sections are maturation and aging sections, and finally the medicament can be added through a metering pump. Further, when the incoming water flow fluctuates, the PLC controller adjusts the amount of dry powder PAM entering the cyclone premixer in a timely manner according to the water quantity, avoids the reduction of water quantity from forming flocculation, or the increase of water quantity from significantly reducing the coagulation effect of the PAM medicament, and improves the economic efficiency, stability and reliability of the device.
[0026] As shown in Figure 1 The flow sensor 9 on the PAM preparation device monitors the flow of incoming water in real time and sends it to the PLC controller in the electric control system 2, participating in the interlocking control of the quantitative dosing device 5.
[0027] As shown in Figure 3As shown, the HMI touch screen in the electric control system 2 has a "dilution concentration" given value, and the PAM preparation device is determined according to the sewage quality.
[0028] As shown, the PLC controller in the electric control system 2 collects the water quantity of the incoming water and performs logical operation to give the running frequency of the motor of the quantitative dosing device 5. Figure 2
[0029] The working principle and use process of the utility model: the flow sensor 9 incoming water flow is sent to the PLC controller in the electric control system 2, and the PLC controller monitors the incoming water flow in real time. In the HMI touch screen in the electric control system 2, the "dilution concentration" is set according to the requirement, and the target parameter is input to the PLC controller. The controller collects the incoming water flow of the flow sensor 9, outputs the instruction to adjust the quantitative dosing device 5, that is, determines the dosing amount of dry powder PAM per hour to carry out the preparation process of the medicament. However, when the incoming water pressure is unstable and the water quantity fluctuates, the PLC controller timely gives the instruction to adjust the frequency of the frequency conversion motor of the quantitative dosing device 5, realizes the amount of dry powder PAM into the cyclone premixer 10, avoids the reduction of water quantity to form flocs in the three-way box body 3; or the increase of water quantity causes the PAM medicament concentration to be too low, which significantly reduces the coagulation effect of the sewage; or the water flow is interrupted, and the PLC controller can timely give the instruction to stop the automatic preparation of the PAM medicament.
[0030] The basic principle, main features and advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model, therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model, and any figure mark in the claims should not be regarded as limiting the involved claims.
[0031] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A PAM preparation device based on flow fluctuation, characterized in that, The system includes a three-unit box (3), with an electronic control system (2) and a liquid level monitoring sensor (1) on one side of the top surface of the three-unit box (3); a solution stirrer (4) is installed on the top surface of the three-unit box (3); a dry powder storage box (6) is installed on the top surface of the three-unit box (3); a quantitative dosing device (5) is connected between the outlet of the dry powder storage box (6) and the interior of the three-unit box (3); and a vibration device (7) is installed at the outlet of the dry powder storage box (6).
2. The PAM preparation device based on flow fluctuation according to claim 1, characterized in that: The electrical control system (2) includes a PLC controller and an HMI human-machine interface touch screen.
3. The PAM preparation device based on flow fluctuation according to claim 1, characterized in that: The top surface of the triple box (3) is provided with a swirl premixer (10) and an alarm (8). The interior of the triple box (3) is provided with a flow sensor (9), which is electrically connected to the swirl premixer (10) and the alarm (8).
4. The PAM preparation device based on flow fluctuation according to claim 3, characterized in that: The electronic control system (2) performs logical operations based on the signal from the flow sensor (9) and the preset value of the drug concentration given by the HMI touch screen, and adjusts the amount of dry powder PAM added by the quantitative dosing device (5).