Accurate chemical adding control device for coal washing

Abstract

The utility model relates to the technical field of coal washing wastewater treatment, and discloses an accurate chemical adding control device for coal washing. The accurate chemical adding control device for coal washing comprises a conveying assembly, a peristaltic pump is installed at the upper end of the conveying assembly, a bent pipe is installed at the upper end of the peristaltic pump, a safety valve is installed at the upper end of the bent pipe, a prevention detection assembly is installed on the left side of the upper end of the conveying assembly, and an electric valve is installed at the upper end of the prevention detection assembly. The right side of the electric valve is connected and provided with a pipeline, the upper end of the pipeline is provided with an ultrasonic liquid level meter, the upper end of the right side of the ultrasonic liquid level meter is provided with a sensor, the upper end of the sensor is provided with an alarm, and the right side of the upper end of the conveying assembly is provided with a control structure assembly; the method has the advantages of effectively preventing the problems of difficulty in accurate dosing of the medicament, influence on the wastewater treatment effect due to inaccurate dosing amount and proportioning of the medicament, potential safety hazards to the environment and the like, and solving the technical problems.

Description

Technical Field

[0001] The utility model relates to the technical field of coal washing wastewater treatment, in particular to a precise dosing control device for coal washing. Background Art

[0002] As an important energy source in my country, the mining and use of coal has a huge impact on the environment. Coal slime water is a pollutant. Coal slime water refers to the wastewater formed by the deposition of peat in the water during the coal mining process due to mining, washing and other processes. Coal slime water contains a large amount of suspended matter, organic matter, heavy metals and other harmful substances. Traditional coal mine wastewater treatment methods usually use chemical agents for treatment. Although it can achieve certain results, there are many problems.

[0003] The existing referenceable Chinese utility model patent with announcement number CN219194651U discloses a Fenton precision dosing control device, including a water collection tank, the right side pipeline of the first COD online instrument is connected to a Fenton reaction tank, the left side of the interior of the Fenton reaction tank is provided with a first acid adjustment tank, the interior of the first acid adjustment tank is fixedly connected with a pH meter and a sulfuric acid metering pump, the left side of the interior of the reaction tank is fixedly connected with a ferrous sulfate metering pump, the right side of the interior of the reaction tank is fixedly connected with a hydrogen peroxide metering pump, the right side pipeline of the reaction tank is connected with a second alkali adjustment tank, the interior of the second alkali adjustment tank is fixedly connected with a pH meter and a liquid alkali metering pump, and the top of the pH meter and the liquid alkali metering pump is fixedly connected with a control box. In the utility model, by controlling the dosage of the reagent, the Fenton reaction is prevented from exceeding the effluent standard of the sewage treatment plant due to the untimely dosage of the reagent; and the non-standard dosage of the Fenton reaction reagent is prevented, resulting in the waste of the reagent.

[0004] Based on the search of the above patents and combined with the equipment in the prior art, it is found that the traditional coal mine wastewater treatment method usually uses chemical agents for treatment. Although it can achieve certain results, there are many problems. For example, it requires a lot of manpower and material resources, and it is difficult to accurately add the agent. The inaccurate dosage and ratio of the agent will affect the effect of wastewater treatment, and it will also cause potential safety hazards to the environment. In addition, the existing dosing machine is in a fully manual state, the dosing process is cumbersome, and the operator is prone to errors, resulting in a decrease in the treatment effect of coal sludge water. The existence of these problems has affected the use of the device. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the shortcomings of the prior art, the utility model provides a precise dosing control device for coal washing, which has the advantages of effectively preventing the difficulty in accurate dosing of reagents, inaccurate dosage and ratio of reagents affecting the effect of wastewater treatment, and causing potential safety hazards to the environment, thereby solving the above-mentioned technical problems.

[0007] Technical Solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coal washing precision dosing control device, comprising a conveying component, a preventive detection component for measuring and preventing the liquid level of the liquid medicine is installed on the left side of the upper end of the conveying component, and a control structure component for controlling the entire device is installed on the right side of the upper end of the conveying component;

[0009] A peristaltic pump is installed at the upper end of the conveying assembly, and a bent pipe is installed at the upper end of the peristaltic pump, and a safety valve is installed at the upper end of the bent pipe, and the safety valve closes all conveying pipes;

[0010] An electric valve is installed at the upper end of the preventive detection component, a pipeline is connected to the right side of the electric valve, and an ultrasonic level meter is installed at the upper end of the pipeline, a sensor is installed at the upper end of the right side of the ultrasonic level meter, and an alarm is installed at the upper end of the sensor, and the sensor is convenient for transmitting detection data to the upper end of the PLC controller;

[0011] A PLC controller is installed at the upper end of the control structure component, and an electrical component circuit breaker is installed on the right side of the PLC controller. A relay is installed at the lower end of the electrical component circuit breaker. The electrical component circuit breaker is connected to the relay to facilitate remote control and automatic control of the device.

[0012] As a preferred technical solution of the utility model, a dosing bucket is installed at the upper end of the conveying component, and an adding tube is installed at the upper end of the dosing bucket, and the adding tube is used to add other drugs.

[0013] As a preferred technical solution of the utility model, a medicine adding barrel is installed at the upper end of the preventive detection component, and an inlet pipe is installed at the upper end of the medicine adding barrel, and the medicine adding barrel is convenient for storing the transported medicine liquid.

[0014] As a preferred technical solution of the utility model, a shell is installed on the upper end of the control structure assembly, and an operating panel is installed inside the shell, and the operating panel starts the device.

[0015] As a preferred technical solution of the utility model, the preventive detection component is installed on the left side of the safety valve in the conveying component, and the control structure component is installed inside the dosing bucket in the conveying component.

[0016] As a preferred technical solution of the utility model, one end of the safety valve is connected to the elbow, and the other end is connected to the pipeline, and the peristaltic pump adds the agent.

[0017] As a preferred technical solution of the utility model, the alarm is connected to the safety valve for signal connection, the ultrasonic level meter measures the liquid level of the medicine through the upper probe, and transmits the liquid level data of the medicine to the PLC controller through the sensor.

[0018] As a preferred technical solution of the utility model, the PLC controller controls all structures inside the device, and the electrical components, circuit breakers and relays, control the electrical system to achieve remote control and automatic control.

[0019] Compared with the prior art, the utility model provides a coal washing precision dosing control device with the following beneficial effects:

[0020] The utility model sets the device such that a peristaltic pump is installed in the conveying component, and the peristaltic pump is used to add medicine to realize the function of automatic medicine addition. An ultrasonic level meter is installed in the prevention and detection component, and the ultrasonic level meter is installed on the medicine adding barrel and the pipeline. The liquid level height of the medicine liquid is measured by the probe, and then the liquid level data of the medicine liquid is transmitted to the PLC controller through the sensor installed at the upper end, so as to monitor the liquid level data of the medicine liquid in real time, and control the switch of the electric valve by monitoring the liquid level of the medicine liquid, so as to realize accurate medicine addition, and the medicine liquid level in the medicine barrel can be measured by the ultrasonic level meter. An alarm is set on the upper end. When the liquid level of the medicine is lower than the safety threshold, it will automatically alarm and transmit the signal to the upper end of the safety valve installed on the side to ensure the safety and reliability of the dosing process. The device uses digital level gauges, micro peristaltic pumps and other equipment to improve the accuracy and stability of automated dosing and realize automatic preparation and addition of reagents. Through the research and development of automatic dosing technology for coal washing sludge water, the dosage and addition time of the reagent can be accurately controlled, thereby reducing the use of the reagent, and the dosage and addition time of the reagent can be accurately controlled, thereby reducing the amount of waste generated. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the structural conveying assembly of the utility model;

[0023] Figure 3 This is a schematic diagram of the structural prevention detection component of the utility model;

[0024] Figure 4 This is a schematic diagram of the structural control structure components of the utility model;

[0025] Among them: 1. Conveying component; 101. Dosing bucket; 102. Adding pipe; 103. Peristaltic pump; 104. Bend pipe; 105. Safety valve; 2. Preventive detection component; 201. Dosing bucket; 202. Inlet pipe; 203. Electric valve; 204. Pipeline; 205. Ultrasonic level meter; 206. Sensor; 207. Alarm; 3. Control structure component; 301. Housing; 302. Operation panel; 303. PLC controller; 304. Electrical component circuit breaker; 305. Relay. DETAILED DESCRIPTION

[0026] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0027] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] See also Figure 1 - Figure 4In this embodiment, a precise dosing control device for coal washing includes: a conveying component 1, a peristaltic pump 103 is installed on the upper end of the conveying component 1, and a bend pipe 104 is installed on the upper end of the peristaltic pump 103, and a safety valve 105 is installed on the upper end of the bend pipe 104; a preventive detection component 2 is installed on the left side of the upper end of the conveying component 1, an electric valve 203 is installed on the upper end of the preventive detection component 2, a pipeline 204 is connected and installed on the right side of the electric valve 203, and an ultrasonic level meter 205 is installed on the upper end of the pipeline 204, a sensor 206 is installed on the upper right end of the ultrasonic level meter 205, and an alarm 207 is installed on the upper end of the sensor 206; a control structure component 3 is installed on the right side of the upper end of the conveying component 1, a PLC controller 303 is installed on the upper end of the control structure component 3, and an electrical component circuit breaker 304 is installed on the right side of the PLC controller 303, and a relay 305 is installed on the lower end of the electrical component circuit breaker 304.

[0030] Through the above structure; the conveying component 1 is convenient for conveying the medicine liquid and closing the medicine liquid tube, the preventive detection component 2 is convenient for conveying the medicine liquid and detecting the medicine liquid, and the control structure component 3 is convenient for controlling and starting the entire device.

[0031] See also Figure 1 - Figure 4 A dosing bucket 101 is installed at the upper end of the conveying component 1, and an addition pipe 102 is installed at the upper end of the dosing bucket 101. One end of the safety valve 105 is connected to the elbow 104, and the other end is connected to the pipeline 204. The peristaltic pump 103 adds the agent.

[0032] Through the above structure: the installation of the dosing bucket 101 facilitates the storage of drugs, the adding pipe 102 adds other drugs, the peristaltic pump 103 facilitates the addition of medicines, the curved pipe 104 adds liquid medicine, and the safety valve 105 closes all the delivery pipes.

[0033] See also Figure 1 - Figure 4 A dosing barrel 201 is installed at the upper end of the preventive detection component 2, and an inlet pipe 202 is installed at the upper end of the dosing barrel 201. The alarm 207 is connected to the safety valve 105 for signal connection. The ultrasonic level meter 205 measures the liquid level of the medicine through the upper end probe, and transmits the liquid level data of the medicine to the PLC controller 303 through the sensor 206.

[0034] Through the above structure: by installing the dosing barrel 201, it is convenient to store the transported medicine liquid, the medicine liquid is added into the pipe 202, the electric valve 203 connects the pipeline 204 with the dosing barrel 201, the pipeline 204 transports the medicine liquid, the ultrasonic level meter 205 is convenient to measure the liquid level height of the medicine liquid, the sensor 206 is convenient to transmit the detection data to the upper end of the PLC controller 303, and the alarm 207 is convenient to automatically alarm when the liquid level of the medicine liquid is lower than the safety threshold.

[0035] See also Figure 1 - Figure 4 A housing 301 is installed at the upper end of the control structure assembly 3, and an operation panel 302 is installed inside the housing 301. The PLC controller 303 controls all structures inside the device, and the electrical component circuit breaker 304 and relay 305 control the electrical to achieve remote control and automatic control.

[0036] Through the above structure: the internal parts are installed by installing the shell 301, the operation panel 302 starts the device, the PLC controller 303 is convenient for controlling all the structures on the upper end of the device, and the electrical component circuit breaker 304 is connected with the relay 305, which is convenient for remote control and automatic control of the device.

[0037] When in use, first, add medicine to the inside of the medicine adding barrel 201 through the inlet pipe 202 at the upper end. After the addition is completed, the whole device is started through the operation panel 302. After starting, the PLC controller 303 is started. The PLC controller 303 starts the electric valve 203, and the liquid medicine is transported through the pipeline 204 connected to the electric valve 203. The pipeline 204 is connected to the elbow 104 through the safety valve 105, and the liquid medicine enters the inside of the dosing barrel 101 through the peristaltic pump 103 at the lower end of the elbow 104. When the liquid medicine is transported, the ultrasonic level meter 205 installed at the side end is used to monitor the liquid medicine in the medicine adding barrel 201. 1, the liquid level of the medicine inside the medicine adding barrel 201 is measured by the probe at the upper end of the ultrasonic level meter 205. After the measurement is completed, the liquid level data of the medicine is transmitted to the PLC controller 303 through the sensor 206 installed at the upper end, so as to facilitate the real-time monitoring of the liquid level data of the medicine. An alarm 207 is arranged at the upper end of the medicine adding barrel 201. When the liquid level of the medicine is lower than the safety threshold, the alarm 207 automatically alarms and transmits the signal to the upper end of the safety valve 105 installed at the side end, so as to close the pipeline 204 and the elbow 104 connected with the safety valve 105, so as to ensure the safety and reliability of the medicine adding process.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A precise dosing control device for coal washing, characterized in that: The invention comprises a conveying component (1), wherein a peristaltic pump (103) is installed at the upper end of the conveying component (1), and a curved pipe (104) is installed at the upper end of the peristaltic pump (103), and a safety valve (105) is installed at the upper end of the curved pipe (104); a preventive detection component (2) is installed on the left side of the upper end of the conveying component (1), and an electric valve (203) is installed at the upper end of the preventive detection component (2); a pipeline (204) is connected to the right side of the electric valve (203), and an ultrasonic valve (105) is installed at the upper end of the pipeline (204). A liquid level meter (205), a sensor (206) is installed on the upper right end of the ultrasonic liquid level meter (205), an alarm (207) is installed on the upper end of the sensor (206), a control structure component (3) is installed on the right side of the upper end of the conveying component (1), a PLC controller (303) is installed on the upper end of the control structure component (3), and an electrical component circuit breaker (304) is installed on the right side of the PLC controller (303), and a relay (305) is installed on the lower end of the electrical component circuit breaker (304).

2. A coal washing precise dosing control device according to claim 1, characterized in that: A dosing bucket (101) is installed at the upper end of the conveying component (1), and an addition pipe (102) is installed at the upper end of the dosing bucket (101).

3. A coal washing precise dosing control device according to claim 1, characterized in that: A medicine adding barrel (201) is installed at the upper end of the preventive detection component (2), and an inlet pipe (202) is installed at the upper end of the medicine adding barrel (201).

4. A coal washing precise dosing control device according to claim 1, characterized in that: A housing (301) is installed at the upper end of the control structure assembly (3), and an operating panel (302) is installed inside the housing (301).

5. The coal washing precise dosing control device according to claim 1 is characterized in that: The preventive detection component (2) is installed on the left side of the safety valve (105) in the conveying component (1), and the control structure component (3) is installed inside the dosing bucket (101) in the conveying component (1).

6. A coal washing precise dosing control device according to claim 2, characterized in that: One end of the safety valve (105) is connected to the elbow (104), and the other end is connected to the pipeline (204), and the peristaltic pump (103) is used to add the medicine.

7. A coal washing precise dosing control device according to claim 3, characterized in that: The alarm (207) is connected to the safety valve (105) by signal, and the ultrasonic level meter (205) measures the liquid level of the liquid medicine through the upper probe, and transmits the liquid medicine level data to the PLC controller (303) through the sensor (206).

8. A coal washing precise dosing control device according to claim 4, characterized in that: The PLC controller (303) controls all structures inside the device, and the electrical component circuit breaker (304) and relay (305) control the electrical system to achieve remote control and automatic control.

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