Automatic control system for preparing alum liquid in water plant

Abstract

The utility model discloses an automatic alum liquid preparation control system for a water plant. The automatic alum liquid preparation control system comprises a stock bin, a liquid preparation bin, a water bin and a controller, the lower end of the stock bin is communicated with the upper end of the liquid preparation bin and is provided with a powder valve, a pipeline I and a pipeline II are respectively communicated between the upper ends and the lower ends of the liquid preparation bin and the water bin, and a valve I and a valve II are respectively arranged on the pipeline I and the pipeline II; a powder metering pump is arranged in the stock bin; an overflow alarm is arranged on the front surface of the liquid preparation bin; a turbulent flow assembly is arranged at the lower end in the liquid preparation bin; an ultrasonic liquid level sensor is arranged on the liquid preparation bin; and a mixing assembly is arranged in the water sump. According to the utility model, through the liquid level sensor, the controller and the plurality of valves, the adding amount of alum can be controlled according to the liquid amount, so that the device is more scientific and accurate; premixing is carried out in the liquid preparation bin firstly, so that the situation that the liquid is not uniform when being directly mixed with a large amount of water is avoided, the water amount is reduced, the mixing uniformity can be conveniently controlled, then the mixed liquid is added into the water bin to be stirred, and the mixing effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water plant equipment, in particular to an automatic control system for alum solution preparation in a water plant. Background Art

[0002] Water plants obtain raw water from natural sources, such as rivers, lakes, and groundwater, and purify it through a series of treatment processes to become tap water that meets drinking water standards and supplies it to residents and businesses. Water plant work generally involves water source collection, transportation and storage, pretreatment, purification, chlorination, water quality monitoring, water storage and supply, maintenance, wastewater treatment and reuse, etc.

[0003] In the process of water purification, adding alum is an important step, which can remove suspended impurities, colloidal particles and harmful substances such as bacteria and viruses attached to the colloidal particles in muddy water. The patent with application number CN202223049818.1 and publication (announcement) number CN218709535U discloses an alum adding device for sewage treatment, which can evenly scatter alum in the circumference and stir the sewage, which is conducive to the full and efficient interaction between alum and sewage, accelerates the formation of precipitation, and improves the efficiency of sewage treatment. However, in the above patent, first of all, the alum is not proportioned according to the liquid volume, and the operation process is not accurate enough; in addition, there are limitations to mixing water and alum only by stirring. If there is alum agglomerated, it will cause uneven mixing, and there is room for improvement. Utility Model Content

[0004] The utility model aims to solve the technical problems of inaccurate ratio of alum and water and insufficient mixing in the prior art, and provides an automatic control system for alum solution in a water plant.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: an automatic control system for alum solution in a water plant, comprising a material bin, a liquid distribution bin, a water bin, and a controller; the lower end of the material bin is connected with the upper end of the liquid distribution bin, and is provided with a powder valve; the upper and lower ends of the liquid distribution bin and the water bin are respectively connected with a pipeline 1 and a pipeline 2, and the pipeline 1 and the pipeline 2 are respectively provided with a valve 1 and a valve 2;

[0006] A partition plate is provided in the silo, the partition plate is funnel-shaped, and a powder metering pump is connected to the lowest end;

[0007] The liquid distribution bin is composed of a bin body and a bin cover, a flange is provided between the bin body and the bin cover, and they are connected by bolts; the liquid distribution bin is a double-layer structure, with a cavity in the middle, and a heating plate is provided inside the liquid distribution bin and outside the cavity; a thermometer is provided on the front of the liquid distribution bin; a spoiler assembly is provided at the lower end of the liquid distribution bin, and the spoiler assembly includes a second motor provided at the lower end of the liquid distribution bin, and a rotating shaft is provided at the output end of the second motor extending into the liquid distribution bin, and a plurality of spoilers are provided on the outside of the rotating shaft;

[0008] An ultrasonic liquid level sensor is arranged on the liquid distribution bin; a mixing component is arranged in the water bin.

[0009] Preferably, the controller is connected to the powder valve, valve 1 and valve 2 respectively through wires.

[0010] Preferably, a feed port is provided on the top of the silo and near one end; a stirring assembly is provided in the silo and above the powder metering pump, and the stirring assembly includes a motor provided on the silo, a shaft is provided on the output end of the motor extending from the feed silo, and a plurality of stirring blades are provided on the outside of the shaft.

[0011] Preferably, the inner bottom surface of the silo is inclined.

[0012] Preferably, both ends of the spoiler are inclined, and the inclination direction of each spoiler is different; and the side edges of the spoiler are serrated.

[0013] Preferably, a bearing that can be connected to a rotating shaft is provided at the lower end of the liquid distribution bin.

[0014] The advantages of the utility model compared with the prior art are:

[0015] 1. Through the liquid level sensor, controller and multiple valves, the amount of alum added can be controlled according to the amount of liquid, which is more scientific and accurate;

[0016] 2. Premix in the liquid preparation bin first to avoid uneven mixing when directly mixing with a large amount of water. Reducing the amount of water can facilitate the control of the uniformity of mixing. Then add the mixed liquid into the water bin and stir to improve the mixing effect. In addition, in order not to affect the accuracy of the amount of alum added, the water used for premixing in the liquid preparation bin is pumped out of the water bin, so the overall amount of water does not increase. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a schematic diagram of the structure of the liquid distribution bin of the utility model.

[0019] Figure 3 It is a cross-sectional view of the liquid distribution bin of the utility model.

[0020] Figure 4 It is a schematic diagram of the structure of the spoiler component of the utility model.

[0021] As shown in the figure: 1. silo, 2. liquid distribution silo, 3. water silo, 4. powder valve, 5. pipeline one, 6. pipeline two, 7. valve one, 8. valve two, 9. controller, 10. feed port, 11. motor, 12. cavity, 13. heating plate, 14. thermometer, 15. partition plate, 16. powder metering pump, 17. motor two, 18. shaft, 19. spoiler, 20. ultrasonic liquid level sensor. DETAILED DESCRIPTION

[0022] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0023] Embodiment 1, in combination with the attached Figure 1 The automatic control system for alum solution preparation in a water plant comprises a silo 1, a liquid preparation silo 2, a water silo 3 and a controller 9; the lower end of the silo 1 is connected with the upper end of the liquid preparation silo 2, and is provided with a powder valve 4, and the upper and lower ends of the liquid preparation silo 2 and the water silo 3 are respectively connected with a pipeline 1 5 and a pipeline 2 6, and valves 1 7 and 2 8 are respectively provided on the pipeline 1 5 and the pipeline 2 6; the silo 1, the liquid preparation silo 2 and the water silo 3 are connected with each other through the above components.

[0024] Combined with Figure 1 The controller 9 is connected to the powder valve 4, valve 1 7 and valve 2 8 respectively through wires for easy control.

[0025] Combined with Figure 1 A partition plate 15 is provided in the silo 1. The partition plate 15 is funnel-shaped, and a powder metering pump 16 is connected to the lowest end thereof to extract a fixed amount of alum.

[0026] Combined with Figure 1 A feed port 10 is provided on the top of the silo 1 and near one end for feeding; a stirring assembly is provided in the silo 1 and above the powder metering pump 16, the stirring assembly includes a motor 11 provided on the silo 1, and a shaft is provided on the outside of the motor 11 extending from the feed silo 1, and a plurality of stirring blades are provided on the outside of the shaft. The stirring assembly can prevent alum from agglomerating due to long storage time and affecting the mixing effect; the inner bottom surface of the silo 1 is inclined, which is convenient for extraction and not easy to produce dead corners for accumulation.

[0027] Combined with Figure 1-3 The liquid distribution bin 2 is composed of a bin body and a bin cover, a flange is provided between the bin body and the bin cover, and they are connected by bolts so that they can be disassembled for maintenance or cleaning; the liquid distribution bin 2 is a double-layer structure with a cavity 12 in the middle, and a heating plate 13 is provided inside the liquid distribution bin 2 and outside the cavity 12 for heating and heat preservation, which can promote solid-liquid mixing when the temperature is appropriate; a thermometer 14 is provided on the front of the liquid distribution bin 2 for monitoring the temperature in the liquid distribution bin 2.

[0028] Combined with Figure 1 , 4 A spoiler assembly is provided at the lower end of the liquid distribution bin 2, and the spoiler assembly includes a motor 17 provided at the lower end of the liquid distribution bin 2, and a rotating shaft 18 is provided at the output end of the motor 17 extending into the liquid distribution bin 2, and a bearing that can be connected to the rotating shaft 18 is provided at the lower end of the liquid distribution bin 2, and a plurality of spoilers 19 are provided on the outer side of the rotating shaft 18; both ends of the spoiler 19 are inclined, and the inclination direction of each spoiler 19 is different, which can increase the spoiler effect and make the liquid flow in different directions, thereby improving the mixing effect; the sides of the spoiler 19 are serrated, which can break up the alum.

[0029] Combined with Figure 1 An ultrasonic liquid level sensor 20 is provided on the liquid distribution tank 2 for monitoring the water volume; a mixing component is provided in the water tank 3, and the mixed liquid can be further mixed and stirred after entering the water tank 3.

[0030] The working principle of the utility model is as follows: when in use, the ultrasonic liquid level sensor 20 first monitors the water volume, and the required amount of alum is calculated through the controller, the corresponding amount of alum is released through the powder metering pump 16, and pumped to the liquid distribution bin 2 through the powder pump 4, at this time, a part of the water in the water tank 3 is released to the liquid distribution bin 2 through the pipeline 1 5 and the valve 1 7, the motor 2 17 drives the conversion walk 18 and the spoiler 19 to rotate for turbulent mixing, and the serrations on the side of the spoiler 19 can also break up the alum to improve the mixing effect, and finally the mixed liquid in the liquid distribution bin 2 is pumped to the water tank 3 through the pipeline 2 6 and the valve 2 8 for mixing again, and the mixing of liquids will be simpler and more uniform.

[0031] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. Automatic control system for alum solution in water plant, characterized by: The invention comprises a material bin (1), a liquid distribution bin (2), a water bin (3), and a controller (9); the lower end of the material bin (1) is connected to the upper end of the liquid distribution bin (2), and is provided with a powder valve (4); the upper and lower ends of the liquid distribution bin (2) and the water bin (3) are respectively connected with a pipe 1 (5) and a pipe 2 (6); the pipe 1 (5) and the pipe 2 (6) are respectively provided with a valve 1 (7) and a valve 2 (8); A partition plate (15) is provided in the silo (1), the partition plate (15) is funnel-shaped, and a powder metering pump (16) is connected to the lowest end thereof; The liquid distribution bin (2) is composed of a bin body and a bin cover, a flange is provided between the bin body and the bin cover, and the two are connected by bolts; the liquid distribution bin (2) is a double-layer structure, a cavity (12) is provided in the middle, a heating plate (13) is provided inside the liquid distribution bin (2) and outside the cavity (12); a thermometer (14) is provided on the front of the liquid distribution bin (2); a spoiler assembly is provided at the lower end of the liquid distribution bin (2), the spoiler assembly includes a second motor (17) provided at the lower end of the liquid distribution bin (2), a rotating shaft (18) is provided at the output end of the second motor (17) extending into the liquid distribution bin (2), and a plurality of spoilers (19) are provided outside the rotating shaft (18); The liquid distribution tank (2) is provided with an ultrasonic liquid level sensor (20); and the water tank (3) is provided with a mixing component.

2. The automatic control system for preparing alum solution in a water plant according to claim 1 is characterized in that: The controller (9) is connected to the powder valve (4), valve one (7), and valve two (8) respectively through wires.

3. The automatic control system for preparing alum solution in a water plant according to claim 1 is characterized in that: A feed port (10) is provided on the top of the silo (1) and near one end; a stirring assembly is provided in the silo (1) and above the powder metering pump (16), and the stirring assembly includes a motor (11) provided on the top of the silo (1), and an output end of the motor (11) extends to the feed silo (1) and is provided with a shaft, and a plurality of stirring blades are provided on the outer side of the shaft.

4. The automatic control system for preparing alum solution in a water plant according to claim 1 is characterized in that: The inner bottom surface of the silo (1) is inclined.

5. The automatic control system for preparing alum solution in a water plant according to claim 1 is characterized in that: Both ends of the spoiler (19) are inclined, and the inclination direction of each spoiler (19) is different; the side edges of the spoiler (19) are all serrated.

6. The automatic control system for preparing alum solution in a water plant according to claim 1 is characterized in that: The lower end of the liquid distribution bin (2) is provided with a bearing that can be connected to the rotating shaft (18).

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