Proportion-adjustable dosing device for sewage treatment

By designing a dosing device with adjustable proportions including a metering pump, a dosing pump, a weighing cylinder and agitator, the problem of difficult to control the proportion of the drug addition in sewage treatment is solved, and the precise control of the drug addition and the improvement of the sewage treatment efficiency is achieved.

CN222534856UActive Publication Date: 2025-02-28SICHUAN XIAOHUI CONSTR ENG CO LTD
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Patent Information

Application Number
CN202421313682.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-02-28
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The proportion of additives in Chinese sewage treatment is difficult to control, resulting in poor treatment effect or abnormal chemical reactions, increasing the treatment burden.

Method used

A dosing device with adjustable proportions is designed, including a dosing pump, dosing pump, weighing cylinder and agitator. The sewage is measured through the metering pump. The processor calculates the amount of drug added. The dosing pump extracts drug and weighs it through the weighing cylinder. When the threshold is reached, it is automatically injected into the sewage treatment tank, and the mixing uniformity between drug and sewage is improved through the agitator.

Benefits of technology

Accurate control of the additive ratio of the agent is achieved, avoiding the problems of poor treatment effect and abnormal chemical reactions, and improving the efficiency of sewage treatment.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the field of sewage treatment, in particular to a proportion-adjustable dosing device for sewage treatment, which comprises a base, a support is mounted at the top of the base, a sewage treatment tank is mounted between the base and the support, and a water inlet pipe is communicated with the bottom of one side of the sewage treatment tank; when the agent is added, the metering pump is used for metering sewage flowing into the sewage treatment tank, the agent adding amount is calculated through the processor, at the moment, the agent adding pump works to extract the agent in an inner cavity of the agent tank, the agent is injected into an inner cavity of the weighing cylinder through the connecting pipe to be weighed, when the agent in the weighing cylinder reaches a threshold value, the electromagnetic valve is closed, and meanwhile the agent is added into the agent tank. An electric push rod works to drive a piston rod to descend, and an agent in a weighing cylinder is injected into an inner cavity of the sewage treatment tank through an agent adding pipe, so that the agent can be conveniently added according to the amount of the sewage, the agent adding proportion can be conveniently controlled, and the problems of poor sewage treatment effect, abnormal chemical reaction and the like are avoided.
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Description

Technical Field

[0001] The utility model relates to the field of sewage treatment, in particular to a proportion-adjustable dosing device for sewage treatment. Background Art

[0002] Sewage treatment is the process of purifying sewage so that it meets the water quality requirements for discharge into a certain water body or reuse. Flocculants are usually used in the sewage purification process to condense fine particles and natural colloids in the water into large flocs, thereby purifying the sewage. At present, in the existing technology, it is difficult to control the addition ratio of the agent when adding the agent for sewage treatment. Too little can easily lead to poor treatment effect, but too much can easily lead to abnormal chemical reaction and increase the treatment burden.

[0003] Therefore, a proportion-adjustable dosing device for sewage treatment is proposed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a dosing device with adjustable ratio for sewage treatment in order to solve the above problems, which improves the problem that the addition ratio of the agent is difficult to control, too little may easily lead to poor treatment effect, but too much may easily lead to abnormal chemical reaction and increase the treatment burden.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions. A dosing device with adjustable ratio for sewage treatment comprises: a base, a bracket is installed on the top of the base, a sewage treatment tank is installed between the base and the bracket, a water inlet pipe is connected to the bottom of one side of the sewage treatment tank, a drain pipe is installed at the bottom of the other side of the sewage treatment tank, and a metering pump is installed on the surface of the water inlet pipe; a dosing mechanism, the dosing mechanism is arranged on the top of the base and can control the dosing ratio of the sewage treatment tank; wherein the dosing mechanism comprises an adding component and a stirrer, the adding component is installed on the top of the bracket and can control the dosing ratio, and the stirrer is installed through the interior of the sewage treatment tank and can stir and mix the agent and the sewage.

[0006] Preferably, the adding component includes a medicine tank installed on one side of the top of the base, a weighing cylinder is installed on one side of the top of the bracket, a weighing sensor is installed at the bottom of the inner cavity of the weighing cylinder, the bottom of one side of the weighing cylinder is connected with a dosing tube, the end of the dosing tube away from the weighing cylinder passes through the bracket and the sewage treatment tank in sequence and extends to the inner cavity of the sewage treatment tank, a dosing pump is installed on the other side of the top of the bracket, the liquid inlet end of the dosing pump passes through the medicine tank and extends to the inner cavity of the medicine tank, the liquid outlet end of the dosing pump is connected with a connecting pipe, and one end of the connecting pipe is connected to the top of the other side of the weighing cylinder.

[0007] Preferably, an electric push rod is installed on the top of the bracket and on the rear side of the weighing cylinder, and a fixing plate is fixedly installed on the telescopic end of the electric push rod. A piston rod is installed on one side of the bottom of the fixing plate. The bottom end of the piston rod passes through the weighing cylinder and extends to the inner cavity of the weighing cylinder. A piston plate is fixedly installed on one end of the piston rod located in the inner cavity of the weighing cylinder.

[0008] Preferably, a solenoid valve is installed on the surface of the connecting pipe, and a one-way valve is installed on the surface of the dosing pipe.

[0009] Preferably, the agitator includes a shell fixedly mounted on one side of the inner cavity of the sewage treatment tank, a motor fixedly mounted on one side of the sewage treatment tank, an output end of the motor sequentially passes through the sewage treatment tank and the shell and extends to the inner cavity of the shell, a fixed cylinder is fixedly mounted on the output end of the motor, a stirring rod is fixedly mounted on one side of the fixed cylinder, one end of the stirring rod passes through the shell and is rotatably connected to the inner wall of the sewage treatment tank, and a plurality of stirring blades are mounted on the surface of the stirring rod.

[0010] Preferably, the surfaces of the stirring blade and the fixed cylinder are provided with spray holes, and the spray holes are used for injecting the agent into the sewage through the stirring rod.

[0011] Preferably, sealing rings are installed at the penetration points between the housing, the motor and the stirring rod, and the sealing rings are made of rubber components.

[0012] The beneficial effects of the utility model are:

[0013] 1. When adding the reagent, the sewage flowing into the sewage treatment tank is measured by the metering pump, and the amount of reagent added is calculated by the processor. At this time, the dosing pump extracts the reagent from the inner cavity of the medicine tank and injects it into the inner cavity of the weighing cylinder through the connecting tube for weighing. When the reagent inside the weighing cylinder reaches the threshold, the solenoid valve is closed. At the same time, the electric push rod drives the piston rod to descend, and the reagent inside the weighing cylinder is injected into the inner cavity of the sewage treatment tank through the dosing tube, which makes it easy to add the reagent according to the amount of sewage, so as to control the proportion of reagent addition and avoid problems such as poor sewage treatment effect and abnormal chemical reaction.

[0014] 2. When the adding component injects the agent into the inner cavity of the sewage treatment pool, the dosing pipe injects the agent into the inner cavity of the shell, and the agent enters the inner cavity of the stirring rod through the spray hole when entering the shell, and then the agent is injected into the sewage through the spray hole. At the same time, the motor drives the fixed cylinder and the stirring rod to rotate, and the stirring blades on the surface of the stirring rod rotate to mix the agent and the sewage, which can improve the mixing uniformity of the sewage and the agent, so as to improve the sewage treatment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic cross-sectional view of the sewage treatment tank of the utility model;

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of the weighing cylinder of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the agitator of the utility model.

[0019] In the figure: 10, base; 11, bracket; 12, sewage treatment tank; 13, water inlet pipe; 14, drain pipe; 15, metering pump; 20, dosing mechanism; 21, adding component; 211, medicine tank; 212, weighing cylinder; 213, weighing sensor; 214, dosing pipe; 215, dosing pump; 216, connecting pipe; 217, electric push rod; 218, fixed plate; 219, piston rod; 2101, piston plate; 2102, solenoid valve; 2103, one-way valve; 22, agitator; 221, shell; 222, motor; 223, fixed cylinder; 224, stirring rod; 225, stirring blade; 226, spray hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] When implementing: Figure 1-4 As shown, a dosing device with adjustable ratio for sewage treatment includes: a base 10, a bracket 11 is installed on the top of the base 10, a sewage treatment tank 12 is installed between the base 10 and the bracket 11, a water inlet pipe 13 is connected to the bottom of one side of the sewage treatment tank 12, a drain pipe 14 is installed at the bottom of the other side of the sewage treatment tank 12, and a metering pump 15 is installed on the surface of the water inlet pipe 13; a dosing mechanism 20, the dosing mechanism 20 is arranged on the top of the base 10 and can control the dosing ratio of the sewage treatment tank 12; wherein the dosing mechanism 20 includes an adding component 21 and a stirrer 22, the adding component 21 is installed on the top of the bracket 11 and can control the dosing ratio, and the stirrer 22 is installed through the inside of the sewage treatment tank 12 and can stir and mix the agent and the sewage.

[0022] like Figure 1 , Figure 2 and Figure 3As shown, the adding component 21 includes a medicine tank 211 installed on one side of the top of the base 10, a weighing cylinder 212 is installed on one side of the top of the bracket 11, a weighing sensor 213 is installed at the bottom of the inner cavity of the weighing cylinder 212, and a dosing tube 214 is connected to the bottom of one side of the weighing cylinder 212. The end of the dosing tube 214 away from the weighing cylinder 212 passes through the bracket 11 and the sewage treatment tank 12 in sequence and extends to the inner cavity of the sewage treatment tank 12. A dosing pump 215 is installed on the other side of the top of the bracket 11. The liquid inlet end of the dosing pump 215 passes through the medicine tank 211 and extends to the medicine tank 2 The inner cavity of the bracket 11, the liquid outlet end of the dosing pump 215 is connected with a connecting tube 216, one end of the connecting tube 216 is connected with the top of the other side of the weighing cylinder 212; an electric push rod 217 is installed on the top of the bracket 11 and located at the rear side of the weighing cylinder 212, and a fixed plate 218 is fixedly installed on the telescopic end of the electric push rod 217, and a piston rod 219 is installed on one side of the bottom of the fixed plate 218. The bottom end of the piston rod 219 passes through the weighing cylinder 212 and extends to the inner cavity of the weighing cylinder 212, and a piston plate 2101 is fixedly installed on one end of the piston rod 219 located in the inner cavity of the weighing cylinder 212;

[0023] In this embodiment, the sewage flowing into the sewage treatment tank 12 is metered by the metering pump 15, and the amount of reagent added is calculated by the processor. At this time, the dosing pump 215 works to extract the reagent from the inner cavity of the medicine tank 211, and injects it into the inner cavity of the weighing cylinder 212 through the connecting tube 216 for weighing. When the reagent inside the weighing cylinder 212 reaches the threshold, the solenoid valve 2102 is closed. At the same time, the electric push rod 217 works to drive the piston rod 219 to descend, and the reagent inside the weighing cylinder 212 is injected into the inner cavity of the sewage treatment tank 12 through the dosing tube 214; the surface of the connecting tube 216 is equipped with a solenoid valve 2102, and the surface of the dosing tube 214 is equipped with a one-way valve 2103.

[0024] like Figure 1 , Figure 2 and Figure 4 As shown, the agitator 22 includes a shell 221 fixedly mounted on one side of the inner cavity of the sewage treatment tank 12, a motor 222 is fixedly mounted on one side of the sewage treatment tank 12, the output end of the motor 222 passes through the sewage treatment tank 12 and the shell 221 in sequence and extends to the inner cavity of the shell 221, a fixed cylinder 223 is fixedly mounted on the output end of the motor 222, a stirring rod 224 is fixedly mounted on one side of the fixed cylinder 223, one end of the stirring rod 224 passes through the shell 221 and is rotatably connected to the inner wall of the sewage treatment tank 12, and a plurality of stirring blades 225 are mounted on the surface of the stirring rod 224; the stirring blades 225 and the surfaces of the fixed cylinder 223 are both provided with spray holes 226, and the spray holes 226 are used for injecting the agent into the sewage through the stirring rod 224;

[0025] In this embodiment, the dosing tube 214 injects the agent into the inner cavity of the shell 221, and when the agent enters the interior of the shell 221, it enters the inner cavity of the stirring rod 224 through the spray hole 226, and then the agent is injected into the sewage through the spray hole 226. At the same time, the motor 222 drives the fixed cylinder 223 and the stirring rod 224 to rotate, and the stirring blade 225 on the surface of the stirring rod 224 rotates to mix the agent and the sewage;

[0026] In this embodiment, sealing rings are installed at the penetration points between the shell 221, the motor 222 and the stirring rod 224. The sealing rings are made of rubber components. They can seal the penetration points of the shell 221 to prevent leakage of the medicine and affect the addition ratio.

[0027] When adding medicine, the utility model uses the metering pump 15 to measure the sewage flowing into the sewage treatment tank 12, and the processor calculates the amount of medicine added. At this time, the medicine adding pump 215 works to extract the medicine in the inner cavity of the medicine tank 211, and injects it into the inner cavity of the weighing cylinder 212 through the connecting pipe 216 for weighing. When the medicine in the weighing cylinder 212 reaches the threshold, the solenoid valve 2102 is closed. At the same time, the electric push rod 217 works to drive the piston rod 219 to descend, and the medicine in the weighing cylinder 212 is injected into the inner cavity of the weighing cylinder 212 through the dosing pipe 214. Injected into the inner cavity of the sewage treatment tank 12; and when the adding component 21 injects the agent into the inner cavity of the sewage treatment tank 12, the dosing tube 214 injects the agent into the inner cavity of the shell 221, and when the agent enters the interior of the shell 221, it enters the inner cavity of the stirring rod 224 through the spray hole 226, and then the agent is injected into the interior of the sewage through the spray hole 226. At the same time, the motor 222 drives the fixed cylinder 223 and the stirring rod 224 to rotate, and the stirring blade 225 on the surface of the stirring rod 224 is rotated to mix the agent and the sewage.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A dosing device with adjustable ratio for sewage treatment, characterized in that: include: A base (10), a bracket (11) is installed on the top of the base (10), a sewage treatment tank (12) is installed between the base (10) and the bracket (11), a water inlet pipe (13) is connected to the bottom of one side of the sewage treatment tank (12), a drain pipe (14) is installed at the bottom of the other side of the sewage treatment tank (12), and a metering pump (15) is installed on the surface of the water inlet pipe (13); A dosing mechanism (20), wherein the dosing mechanism (20) is disposed on the top of the base (10) and can control the dosing ratio of the sewage treatment tank (12); The dosing mechanism (20) comprises an adding component (21) and a stirrer (22), wherein the adding component (21) is installed on the top of the bracket (11) and can control the dosing ratio, and the stirrer (22) is installed through the interior of the sewage treatment tank (12) and can stir and mix the agent and the sewage.

2. A proportionally adjustable dosing device for sewage treatment according to claim 1, characterized in that: The adding component (21) comprises a medicine tank (211) installed on one side of the top of the base (10); a weighing cylinder (212) is installed on one side of the top of the bracket (11); a weighing sensor (213) is installed at the bottom of the inner cavity of the weighing cylinder (212); a dosing tube (214) is connected to the bottom of one side of the weighing cylinder (212); one end of the dosing tube (214) away from the weighing cylinder (212) passes through the bracket (11) and the sewage treatment tank (12) in sequence and extends to the inner cavity of the sewage treatment tank (12); a dosing pump (215) is installed on the other side of the top of the bracket (11); a liquid inlet end of the dosing pump (215) passes through the medicine tank (211) and extends to the inner cavity of the medicine tank (211); a liquid outlet end of the dosing pump (215) is connected to a connecting tube (216); one end of the connecting tube (216) is connected to the top of the other side of the weighing cylinder (212).

3. A proportionally adjustable dosing device for sewage treatment according to claim 2, characterized in that: An electric push rod (217) is installed at the top of the bracket (11) and at the rear side of the weighing cylinder (212); a fixed plate (218) is fixedly installed at the telescopic end of the electric push rod (217); a piston rod (219) is installed at one side of the bottom of the fixed plate (218); the bottom end of the piston rod (219) passes through the weighing cylinder (212) and extends to the inner cavity of the weighing cylinder (212); and a piston plate (2101) is fixedly installed at one end of the piston rod (219) located in the inner cavity of the weighing cylinder (212).

4. A proportionally adjustable dosing device for sewage treatment according to claim 2, characterized in that: A solenoid valve (2102) is installed on the surface of the connecting pipe (216), and a one-way valve (2103) is installed on the surface of the dosing pipe (214).

5. The proportion-adjustable dosing device for sewage treatment according to claim 1 is characterized in that: The agitator (22) comprises a shell (221) fixedly mounted on one side of the inner cavity of the sewage treatment tank (12); a motor (222) is fixedly mounted on one side of the sewage treatment tank (12); an output end of the motor (222) sequentially penetrates the sewage treatment tank (12) and the shell (221) and extends to the inner cavity of the shell (221); a fixed cylinder (223) is fixedly mounted on the output end of the motor (222); a stirring rod (224) is fixedly mounted on one side of the fixed cylinder (223); one end of the stirring rod (224) penetrates the shell (221) and is rotatably connected to the inner wall of the sewage treatment tank (12); and a plurality of stirring blades (225) are mounted on the surface of the stirring rod (224).

6. A proportionally adjustable dosing device for sewage treatment according to claim 5, characterized in that: The surfaces of the stirring blade (225) and the fixed cylinder (223) are both provided with spray holes (226), and the spray holes (226) are used for injecting the medicine into the sewage through the stirring rod (224).

7. The proportion-adjustable dosing device for sewage treatment according to claim 5, characterized in that: Sealing rings are installed at the penetration points between the housing (221), the motor (222) and the stirring rod (224), and the sealing rings are made of rubber components.