A device for treating calcium and magnesium in desulfurization wastewater

Abstract

The utility model discloses a kind of desulfurization wastewater calcium magnesium treatment devices, including reaction tank and support frame, the support frame is installed in the lower outer surface of reaction tank, the outside of reaction tank is equipped with the metering assembly for the quantitative dosing agent to reaction tank inside, one end of the metering assembly extends to the inside of reaction tank, the metering assembly includes medicament tank, first water pump, first dosing pipe and first flow valve, the outside of reaction tank is equipped with first fixed plate, the medicament tank is installed in the outside of reaction tank by first fixed plate, the utility model is through the linkage of metering assembly and detection component and stirring component, significantly improve the precision and efficiency of desulfurization wastewater calcium magnesium treatment, break through traditional blind dosing mode, reduce reagent consumption, the design realizes from water quality detection, dosage calculation to accurate dosing, full-process automation control of sufficient reaction, significantly improve calcium magnesium treatment efficiency and precision.

Description

Technical Field

[0001] This utility model relates to the field of desulfurization wastewater treatment technology, specifically a calcium and magnesium treatment device for desulfurization wastewater. Background Technology

[0002] In the field of desulfurization wastewater treatment technology, the effective removal of calcium and magnesium ions is crucial for preventing equipment scaling and achieving compliant discharge. Currently, the industry commonly uses chemical precipitation to treat calcium and magnesium ions in desulfurization wastewater, which mainly involves reagent addition, mixing and reaction processes.

[0003] Traditional technologies rely on manual experience to estimate the dosage of chemicals, which cannot accurately add chemicals based on real-time changes in water quality. This results in serious waste of chemicals and unstable treatment effects. At the same time, existing devices lack efficient water quality detection methods, making it difficult to quickly obtain key parameters such as calcium and magnesium ion concentration and flow rate, and thus unable to achieve dynamic control of the dosage. Therefore, we need to propose a calcium and magnesium treatment device for desulfurization wastewater. Utility Model Content

[0004] The purpose of this invention is to provide a calcium and magnesium treatment device for desulfurization wastewater to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a calcium and magnesium treatment device for desulfurization wastewater, comprising a reaction tank and a support frame, wherein the support frame is installed on the lower outer surface of the reaction tank;

[0006] The reaction vessel is equipped with a metering assembly for quantitatively adding reagents to the inside of the reaction vessel. One end of the metering assembly extends into the interior of the reaction vessel. The metering assembly includes a reagent tank, a first water pump, a first inlet pipe, and a first flow valve. A first fixing plate is installed on the outside of the reaction vessel. The reagent tank is installed on the outside of the reaction vessel through the first fixing plate. The pumping end of the first water pump is connected to one end of the reagent tank, and the outlet end of the first water pump is connected to one end of the first inlet pipe.

[0007] The reaction vessel is equipped with a detection component for cooperating with the metering component, and one end of the detection component extends into the interior of the reaction vessel.

[0008] The top of the reaction vessel is equipped with a stirring assembly for uniformly stirring the wastewater, one end of which extends into the interior of the reaction vessel.

[0009] Preferably, the top of the reaction vessel is equipped with a liquid outlet plate, the interior of the liquid outlet plate is set as a cavity, a plurality of spray heads are installed on the side wall of the liquid outlet plate, the other end of the first drug inlet pipe is connected to the liquid outlet plate, and the first flow valve is installed on the surface of the first drug inlet pipe.

[0010] Preferably, the detection assembly includes a second water pump, a second inlet pipe, a fifth inlet pipe, and a second flow valve. The second water pump is installed on the top of the support frame, the pumping end of the second water pump is connected to the wastewater to be treated, and the outlet end of the second water pump is connected to the second inlet pipe.

[0011] Preferably, the second water inlet pipe is connected to a third water inlet pipe, and a first control valve and a second control valve are respectively installed on the third water inlet pipe. The first control valve is connected to a fifth water inlet pipe, and the second control valve is connected to a fourth water inlet pipe. The other end of the fourth water inlet pipe is connected to the reaction tank. The second flow valve is installed on the surface of the third water inlet pipe. A calcium ion sensor, a flow sensor, and a magnesium ion sensor are installed on the outside of the fifth water inlet pipe, and the detection ends of the calcium ion sensor, the flow sensor, and the magnesium ion sensor extend into the interior of the fifth water inlet pipe.

[0012] Preferably, the stirring assembly includes a motor, a pulley assembly, a stirring rod, and a second fixed plate. The motor is mounted on the outside of the reaction vessel via the second fixed plate. The top of the stirring rod is rotatably connected to the output end of the motor via the pulley assembly. The stirring rod is rotatably mounted at the center of the top of the liquid outlet plate and extends into the interior of the reaction vessel. Stirring blades are mounted on the surface of the stirring rod.

[0013] Preferably, the bottom of the reaction vessel is connected to a water outlet pipe, the surface of the water outlet pipe is equipped with a valve, and the end of the water outlet pipe away from the bottom of the reaction vessel is connected to a drain tank.

[0014] Preferably, a controller is installed on the top of the support frame. The controller is electrically connected to the calcium ion sensor, the flow sensor and the magnesium ion sensor respectively. The controller is also electrically connected to the first water pump, the first flow valve and the second flow valve respectively.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This invention significantly improves the accuracy and efficiency of calcium and magnesium treatment in desulfurization wastewater through the linkage of metering, detection, and stirring components. It breaks through the traditional blind dosing mode and reduces reagent consumption. The design realizes full-process automated control from water quality detection and dosage calculation to precise dosing and full reaction, significantly improving the efficiency and accuracy of calcium and magnesium treatment. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the stirring assembly structure of this utility model;

[0019] Figure 3This is a schematic cross-sectional view of the reaction vessel of this utility model;

[0020] Figure 4 This is a schematic diagram of the detection component structure of this utility model;

[0021] Figure 5 This utility model Figure 4 A magnified structural diagram of area A in the middle.

[0022] In the diagram: 1. Reaction vessel; 2. Support frame; 3. Reagent tank; 4. First water pump; 5. First inlet pipe; 6. First flow valve; 7. First fixing plate; 8. Discharge plate; 9. Spray head; 10. Second water pump; 11. Second inlet pipe; 12. Fifth inlet pipe; 13. Second flow valve; 14. Third inlet pipe; 15. Fourth inlet pipe; 16. Calcium ion sensor; 17. Flow sensor; 18. Magnesium ion sensor; 19. Motor; 20. Pulley assembly; 21. Stirring rod; 22. Second fixing plate; 23. Stirring blade; 24. Discharge pipe; 25. Valve; 26. Drainage tank; 27. Controller. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-5 This utility model provides a technical solution: a calcium and magnesium treatment device for desulfurization wastewater, including a reaction tank 1 and a support frame 2. The support frame 2 is installed on the lower outer surface of the reaction tank 1. The reaction tank 1 is used to contain desulfurization wastewater and provide reaction space for calcium and magnesium treatment. The support frame 2 supports the reaction tank 1 so that it stands stably on the ground.

[0025] A metering assembly for quantitatively adding reagents to the reaction tank 1 is installed on the outside of the reaction tank 1. One end of the metering assembly extends into the interior of the reaction tank 1. The metering assembly includes a reagent tank 3, a first water pump 4, a first inlet pipe 5, and a first flow valve 6. A first fixing plate 7 is installed on the outside of the reaction tank 1. The reagent tank 3 is installed on the outside of the reaction tank 1 through the first fixing plate 7. The first fixing plate 7 can fix the first water pump 4 to be securely installed on the outside of the reaction tank 1. The reagent tank 3 stores the reagents required for treating desulfurization wastewater and provides a source of reagents for quantitative addition. The pumping end of the first water pump 4 is connected to one end of the reagent tank 3, and the outlet end of the first water pump 4 is connected to one end of the first inlet pipe 5. The first flow valve 6 adjusts the reagent delivery flow rate to achieve quantitative addition.

[0026] A liquid outlet plate 8 is installed on the top of the reaction vessel 1. The interior of the liquid outlet plate 8 is set as a cavity. Several spray heads 9 are installed on the side wall of the liquid outlet plate 8. The other end of the first inlet pipe 5 is connected to the liquid outlet plate 8. The first flow valve 6 is installed on the surface of the first inlet pipe 5. The first water pump 4 draws out the agent from the agent tank 3. The first water pump 4 is connected to the liquid outlet plate 8 through the first inlet pipe 5. The liquid outlet plate 8 sprays the agent evenly into the interior of the reaction vessel 1 through the spray heads 9.

[0027] A detection assembly for coordinating with the metering component is installed on the outside of the reaction tank 1. One end of the detection assembly extends into the interior of the reaction tank 1. The detection assembly includes a second water pump 10, a second inlet pipe 11, a fifth inlet pipe 12, and a second flow valve 13. The second water pump 10 draws the wastewater to be treated and transports it through the second inlet pipe 11. The second inlet pipe 11 connects the second water pump 10 to the third inlet pipe 14 to transport the wastewater to be treated. The second water pump 10 is installed on the top of the support frame 2. The pumping end of the second water pump 10 is connected to the wastewater to be treated, and the outlet end of the second water pump 10 is connected to the second inlet pipe 11. The second inlet pipe 11 is connected to... There is a third water inlet pipe 14, on which a first control valve and a second control valve are respectively installed. The first control valve is connected to the fifth water inlet pipe 12, and the other end of the fifth water inlet pipe 12 is connected to the reaction tank 1. The second control valve is connected to the fourth water inlet pipe 15. The first control valve and the second control valve can control the flow rate into the fourth water inlet pipe 15 and the fifth water inlet pipe 12. The other end of the fourth water inlet pipe 15 is connected to the reaction tank 1. The third water inlet pipe 14 diverts the water from the second water inlet pipe 11, introduces it into the fifth water inlet pipe 12 through the first control valve, and introduces it into the fourth water inlet pipe 15 through the second control valve to deliver it into the interior of the reaction tank 1.

[0028] The second flow valve 13 is installed on the surface of the third inlet pipe 14. The second flow valve 13 regulates the flow rate of water flowing through the fifth inlet pipe 12. A calcium ion sensor 16, a flow sensor 17, and a magnesium ion sensor 18 are installed on the outside of the fifth inlet pipe 12. The detection ends of the calcium ion sensor 16, the flow sensor 17, and the magnesium ion sensor 18 extend into the interior of the fifth inlet pipe 12. The calcium ion sensor 16, the magnesium ion sensor 18, and the flow sensor 17 in the fifth inlet pipe 12 measure the flow rate of the diverted water to be treated and provide installation space for the sensors. The calcium ion sensor 16 detects the calcium ion concentration in the wastewater to be treated and transmits the data to the controller 27. The flow sensor 17 monitors the flow rate of the water flowing through and feeds back the data to the controller 27. The magnesium ion sensor 18 detects the magnesium ion concentration in the wastewater to be treated and transmits the data to the controller 27.

[0029] A stirring assembly for uniformly stirring wastewater is installed on the top of the reaction tank 1. One end of the stirring assembly extends into the interior of the reaction tank 1. The stirring assembly includes a motor 19, a pulley set 20, a stirring rod 21, and a second fixing plate 22. The motor 19 is mounted on the outside of the reaction tank 1 via the second fixing plate 22, which provides a stable mounting platform for the motor 19. The motor 19 drives the stirring rod 21 to rotate via the pulley set 20, providing power for stirring. The top of the stirring rod 21 is rotatably connected to the output end of the motor 19 via the pulley set 20. The pulley set 20 transmits power to the motor 19, causing the stirring rod 21 to rotate and stir the liquid inside the reaction tank 1. The stirring rod 21 is rotatably mounted at the center of the top of the liquid outlet plate 8 and extends into the interior of the reaction tank 1. The stirring rod 21 passes through the liquid outlet plate 8 and extends into the reaction tank 1. Driven by the motor 19, it drives the stirring blades 23 to stir the liquid, promoting a full reaction between the reagent and the wastewater. The stirring blades 23 are mounted on the surface of the stirring rod 21. The stirring blades 23 accelerate the calcium-magnesium treatment reaction by rotating and stirring the liquid.

[0030] The bottom of the reaction tank 1 is connected to a water outlet pipe 24, which discharges the treated wastewater to a drainage tank 26. A valve 25 is installed on the surface of the water outlet pipe 24, which controls the discharge of the treated wastewater. The end of the water outlet pipe 24 away from the bottom of the reaction tank 1 is connected to the drainage tank 26, which collects the treated wastewater. A controller 27 is installed on the top of the support frame 2. The controller 27 is electrically connected to a calcium ion sensor 16, a flow sensor 17, and a magnesium ion sensor 18. The controller 27 is also electrically connected to the first water pump 4, the first flow valve 6, and the second flow valve 13.

[0031] Working principle: The second water pump 10 draws the wastewater to be treated and diverts it through the second inlet pipe 11 and the third inlet pipe 14. One stream enters the fifth inlet pipe 12. The calcium ion sensor 16, magnesium ion sensor 18, and flow sensor 17 in the fifth inlet pipe 12 detect the calcium and magnesium ion concentration and flow rate in real time and transmit the data to the controller 27. The controller 27 calculates the dosage of the reagent according to a preset algorithm and controls the first water pump 4 to draw the reagent from the reagent tank 3. The flow rate is adjusted by the first flow valve 6 and delivered to the liquid outlet plate 8 through the first inlet pipe 5. The reagent is then evenly sprayed into the reaction tank 1 by the spray head 9. The motor 19 drives the stirring rod 21 and stirring blade 23 to rotate through the pulley group 20, so that the reagent and wastewater are fully mixed and reacted. The wastewater after reaction is discharged to the drainage tank 26 through the valve 25 of the outlet pipe 24.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A calcium-magnesium treatment device for desulfurization wastewater, comprising a reaction tank (1) and a support frame (2), characterized in that: The support frame (2) is installed on the lower outer surface of the reaction vessel (1); The reaction vessel (1) is equipped with a metering component for quantitatively adding reagents inside the reaction vessel (1). One end of the metering component extends into the interior of the reaction vessel (1). The metering component includes a reagent tank (3), a first water pump (4), a first inlet pipe (5), and a first flow valve (6). A first fixing plate (7) is installed on the outside of the reaction vessel (1). The reagent tank (3) is installed on the outside of the reaction vessel (1) through the first fixing plate (7). The pumping end of the first water pump (4) is connected to one end of the reagent tank (3), and the outlet end of the first water pump (4) is connected to one end of the first inlet pipe (5). The reaction vessel (1) is equipped with a detection component for cooperating with the metering component, and one end of the detection component extends into the interior of the reaction vessel (1). The top of the reaction tank (1) is equipped with a stirring assembly for uniformly stirring the wastewater, one end of which extends into the interior of the reaction tank (1).

2. The calcium and magnesium treatment device for desulfurization wastewater according to claim 1, characterized in that: The top of the reaction vessel (1) is equipped with a liquid outlet plate (8), the interior of the liquid outlet plate (8) is set as a cavity, and a number of spray heads (9) are installed on the side wall of the liquid outlet plate (8). The other end of the first drug inlet pipe (5) is connected to the liquid outlet plate (8), and the first flow valve (6) is installed on the surface of the first drug inlet pipe (5).

3. The calcium and magnesium treatment device for desulfurization wastewater according to claim 1, characterized in that: The detection assembly includes a second water pump (10), a second inlet pipe (11), a fifth inlet pipe (12), and a second flow valve (13). The second water pump (10) is installed on the top of the support frame (2). The pumping end of the second water pump (10) is connected to the wastewater to be treated, and the outlet end of the second water pump (10) is connected to the second inlet pipe (11).

4. The calcium and magnesium treatment device for desulfurization wastewater according to claim 3, characterized in that: The second water inlet pipe (11) is connected to the third water inlet pipe (14). The third water inlet pipe (14) is equipped with a first control valve and a second control valve. The first control valve is connected to the fifth water inlet pipe (12). The second control valve is connected to the fourth water inlet pipe (15). The other end of the fourth water inlet pipe (15) is connected to the reaction tank (1). The second flow valve (13) is installed on the surface of the third water inlet pipe (14). A calcium ion sensor (16), a flow sensor (17), and a magnesium ion sensor (18) are installed on the outside of the fifth water inlet pipe (12). The detection ends of the calcium ion sensor (16), the flow sensor (17), and the magnesium ion sensor (18) extend into the interior of the fifth water inlet pipe (12).

5. The calcium and magnesium treatment device for desulfurization wastewater according to claim 1, characterized in that: The stirring assembly includes a motor (19), a pulley assembly (20), a stirring rod (21), and a second fixing plate (22). The motor (19) is mounted on the outside of the reaction tank (1) via the second fixing plate (22). The top of the stirring rod (21) is rotatably connected to the output end of the motor (19) via the pulley assembly (20). The stirring rod (21) is rotatably mounted at the center of the top of the liquid outlet plate (8) and extends into the interior of the reaction tank (1). The surface of the stirring rod (21) is equipped with stirring blades (23).

6. The calcium and magnesium treatment device for desulfurization wastewater according to claim 1, characterized in that: The bottom of the reaction vessel (1) is connected to a water outlet pipe (24), and a valve (25) is installed on the surface of the water outlet pipe (24). The end of the water outlet pipe (24) away from the bottom of the reaction vessel (1) is connected to a drain tank (26).

7. The calcium-magnesium desulfurization wastewater treatment device according to claim 6, characterized in that: A controller (27) is installed on the top of the support frame (2). The controller (27) is electrically connected to the calcium ion sensor (16), the flow sensor (17) and the magnesium ion sensor (18) respectively. The controller (27) is also electrically connected to the first water pump (4), the first flow valve (6) and the second flow valve (13) respectively.

Images