CN218755199U

CN218755199U - Automatic dosing control system for coal washing water treatment process

Info

Publication number: CN218755199U
Application number: CN202223055527.3U
Authority: CN
Inventors: 韩峰; 赵永强; 杜玉琳; 刘岩; 李静
Original assignee: Hebei Tengze Machinery Equipment Co ltd
Current assignee: Hebei Tengze Machinery Equipment Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-03-28
Anticipated expiration: 2032-11-17

Abstract

The utility model discloses a coal washing water treatment process automatic reagent feeding control system, including bottom plate and material conveying pipe, the first pipe mixer of one end fixedly connected with of material conveying pipe, the other end fixedly connected with communicating pipe of first pipe mixer, the other end of communicating pipe has the second pipe mixer through flange joint, the other end fixedly connected with discharging pipe of second pipe mixer, the top fixedly connected with flocculating agent dissolving tank and the coagulant aid dissolving tank of bottom plate, the first dosing pump of fixedly connected with, second dosing pump respectively with flocculating agent dissolving tank, coagulant aid dissolving tank intercommunication, the inlet of first dosing pump and second dosing pump, it has the flocculating agent conveyer pipe to peg graft between flocculating agent dissolving tank and the material conveying pipe. The utility model discloses can carry out real-time adjustment medicament quantity according to actual sewage treatment capacity to realize the automated control of processing procedure.

Description

Automatic dosing control system for coal washing water treatment process

Technical Field

The utility model relates to a coal washing selects waste water treatment technical field, especially relates to coal washing water treatment process automatic reagent feeding control system.

Background

The coal washing water is the waste water discharged by the wet coal washing processing technology, mainly comprises suspended substances such as micro coal powder, sand, clay, shale and the like with the particle size of less than 50 mu m, has high turbidity and fine solid particle size, and the particles are kept in a stable dispersed state in the water due to the fact that the surfaces of solid particles are more negatively charged and the repulsive force among charges with the same polarity, and are influenced by gravity and Brownian motion, and the interaction such as adsorption, dissolution, combination and the like among solid particle interfaces, so that the water quality of the waste water is particularly stable, the property of the waste water is quite complex, the waste water not only has the property of suspension, but also has the property of colloid, the natural standing is difficult to settle, the treatment is very difficult, and the waste water becomes one of main pollution sources of the coal industry. Therefore, when the coal washing water is discharged, the coal washing water needs to be treated first, and the coal washing water is discharged after reaching the standard.

The coal mine industry generally adopts a method of combining flocculant and multistage sedimentation to treat coal washing water, and the polymeric flocculant neutralizes the electrical property of the coal slime surface under the contact action of the coal slime particles and coal slime colloid, reduces the surface energy and enables the coal slime particles to be coagulated and precipitated. In view of the complex characteristics of coal washing water, a dosing link becomes an important link for coal washing wastewater treatment, the coal washing wastewater treatment in the coal mine industry mostly adopts manual feeding, medicine dissolving and dosing operations, the dosing amount is large, the manual operation intensity is high, the amount of the medicine carried by people per day can reach 2-3 tons, the labor intensity is high, the automation level is low, the operation environment is poor, and the fluctuation of the medicine dissolving concentration is large.

Secondly, because the coal quality fluctuation in the coal mine is large, the coal washing water has large water quality fluctuation, the suspended matter content and the granularity change greatly, the manual medicine adding can not realize the control of timely adjusting the medicine adding amount along with the water quality change, the phenomena of poor coal slime flocculation and sedimentation effect, over-standard effluent turbidity and the like often occur, and certain risk is caused to the enterprise pollution discharge. Meanwhile, because of poor flocculation effect, poor flowability of flocs and other reasons, partial suspended matters form sedimentation in pipelines or facilities, and cannot be discharged in time, so that the pipelines and equipment are blocked, and production loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the coal washing water now in the processing procedure, the artificial medicament operation of adding can't realize carrying out the not enough of real-time adjustment medicament quantity according to actual sewage treatment volume, and research and development improve out coal washing water processing procedure automatic reagent feeding control system, realizes the automated control of processing procedure, ensures the treatment effeciency of coal washing water.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the automatic dosing control system for the coal washing water treatment process comprises a base plate and a material conveying pipe, wherein a first pipeline mixer is fixedly connected to one end of the material conveying pipe, a communicating pipe is fixedly connected to the other end of the first pipeline mixer, a second pipeline mixer is connected to the other end of the communicating pipe through a flange, a discharging pipe is fixedly connected to the other end of the second pipeline mixer, a flocculant dissolving tank and a coagulant aid dissolving tank are fixedly connected to the top of the base plate, a first dosing pump and a second dosing pump are fixedly connected to the outer wall of one side of the flocculant dissolving tank and the outer wall of one side of the coagulant aid dissolving tank respectively, liquid inlets of the first dosing pump and the second dosing pump are communicated with the flocculant dissolving tank and the coagulant aid dissolving tank respectively, a flocculant conveying pipe is spliced between the flocculant dissolving tank and the material conveying pipe, a liquid outlet of the first dosing pump is communicated with the flocculant conveying pipe, a coagulant aid conveying pipe is spliced between the coagulant aid dissolving tank and the communicating pipe, a liquid outlet of the second dosing pump is communicated with the coagulant aid conveying pipe, a concentration monitoring probe of a third electric flowmeter is arranged on the top of the material conveying pipe, and a magnetic concentration monitoring probe of the base plate is connected with a magnetic flowmeter of the magnetic flowmeter.

Furthermore, the top fixedly connected with two fixing bases of bottom plate, two fixing bases cup joint with material conveying pipe and communicating pipe respectively.

Further, the first pipeline mixer and the second pipeline mixer adopt a spiral static mixer.

Further, the first dosing pump and the second dosing pump are magnetic pumps or metering pumps.

Further, the controller is electrically connected with the first concentration monitoring probe, the second concentration monitoring probe, the third concentration monitoring probe, the first electromagnetic flow meter, the second electromagnetic flow meter, the third electromagnetic flow meter, the first dosing pump and the second dosing pump.

The beneficial effects of the utility model are that:

1. the dosage of the medicament can be adjusted in real time according to the actual sewage treatment capacity through the arrangement of the controller, the concentration monitoring probe, the electromagnetic flowmeter and the dosing pump, so that the automatic control of the treatment process is realized.

2. The first pipeline mixer and the second pipeline mixer are used for uniformly stirring and mixing the materials, the flocculating agent and the coagulant aid, so that the later-stage precipitation efficiency of the coal washing water is improved.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of an automatic chemical feeding control system for a coal washing water treatment process provided by the utility model;

FIG. 2 is a schematic view of a partial sectional structure of an automatic chemical feeding control system for a coal washing water treatment process according to the present invention;

FIG. 3 is a schematic view of a system flow structure of the automatic chemical feeding control system for the coal washing water treatment process provided by the utility model;

FIG. 4 is the overall system structure diagram of the automatic chemical feeding control system for coal washing water treatment process provided by the utility model.

In the figure: 1. a base plate; 2. a material conveying pipe; 3. a first line mixer; 4. a communicating pipe; 5. a second line mixer; 6. a discharge pipe; 71. a first concentration monitoring probe; 72. a second concentration monitoring probe; 73. a third concentration monitoring probe; 81. a first electromagnetic flow meter; 82. a second electromagnetic flow meter; 83. a third electromagnetic flow meter; 9. a flocculant dissolving tank; 10. a flocculating agent conveying pipe; 11. a coagulant aid dissolving tank; 12. a coagulant aid delivery pipe; 13. a first dosing pump; 131. a second dosing pump; 15. a fixed seat; 16. and a controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the automatic dosing control system for the coal washing water treatment process comprises a base plate 1 and a material conveying pipe 2, wherein one end of the material conveying pipe 2 is connected with a first pipeline mixer 3 through a flange, the other end of the first pipeline mixer 3 is connected with a communicating pipe 4 through a flange, the other end of the communicating pipe 4 is connected with a second pipeline mixer 5 through a flange, the material, a flocculating agent and a coagulant aid are uniformly stirred and mixed through the first pipeline mixer 3 and the second pipeline mixer 5, the other end of the second pipeline mixer 5 is connected with a discharging pipe 6 through a flange, a flocculating agent dissolving tank 9 and a coagulant aid dissolving tank 11 are fixed on the top of the base plate 1 through bolts, a first dosing pump 13 and a second dosing pump 131 are respectively fixed on the outer wall of one side of the flocculating agent dissolving tank 9 and the outer wall of one side of the coagulant aid dissolving tank 11 through bolts, a liquid inlet of the first dosing pump 13 is communicated with the flocculating agent dissolving tank 9, a liquid inlet of the second dosing pump 131 is communicated with a coagulant aid dosing tank 11, a flocculant conveying pipe 10 is inserted between a flocculant dosing tank 9 and a material conveying pipe 2, a liquid outlet of the first dosing pump 13 is communicated with the flocculant conveying pipe 10, a coagulant aid conveying pipe 12 is inserted between the coagulant aid dosing tank 11 and a communicating pipe 4, a liquid outlet of the second dosing pump 131 is communicated with the coagulant aid conveying pipe 12, a first concentration monitoring probe 7, a second concentration monitoring probe 72 and a third concentration monitoring probe 73 are respectively inserted at the top of the material conveying pipe 2, the top of the flocculant conveying pipe 10 and the top of the coagulant aid conveying pipe 12, a first electromagnetic flowmeter 81 is arranged on the material conveying pipe 2, a controller 16 is fixed at the top of the base plate 1 through bolts, a second electromagnetic flowmeter 82 and a third electromagnetic flowmeter 83 are respectively arranged on the flocculant conveying pipe 10 and the coagulant aid conveying pipe 12, the first electromagnetic flow meter 81, the second electromagnetic flow meter 82 and the third electromagnetic flow meter 83 respectively detect the flow of the material, the flocculating agent and the coagulant aid.

There are two fixing bases 15 at the top of bottom plate 1 through the bolt fastening, two fixing bases 15 cup joint with material conveying pipe 2 and communicating pipe 4 respectively, fix the pipeline through fixing base 15, first pipeline mixer 3 and second pipeline mixer 5 all select for use heliciform static mixer, first dosing pump 13 and second dosing pump 131 all can select for use the magnetic drive pump or all select for use the measuring pump, controller 16 and first concentration monitoring probe 71, second concentration monitoring probe 72, third concentration monitoring probe 73, first electromagnetic flowmeter 81, second electromagnetic flowmeter 82, third electromagnetic flowmeter 83, first dosing pump 13 and second dosing pump 131 electric connection, the model of controller 16 is DATA-7311.

The working principle of the embodiment is as follows: during the use, the material is squeezed into in material conveying pipe 2, monitors the real-time concentration value of material, flocculating agent, coagulant aid through first concentration monitoring probe 71, second concentration monitoring probe 72 and third concentration monitoring probe 73 respectively, then monitors the flow of material, flocculating agent, coagulant aid through first electromagnetic flowmeter 81, second electromagnetic flowmeter 82 and third electromagnetic flowmeter 83 respectively. Determining the adding amount of a flocculating agent according to the flow rate and the concentration detection value of the material, determining the adding flow rate of the flocculating agent according to the concentration detection value of the flocculating agent, transmitting information to the controller 16, controlling the first adding pump 13 of the flocculating agent dissolving tank 9 through the controller 16, enabling the flocculating agent to be conveyed into the material conveying pipe 2 through the flocculating agent conveying pipe 10 under the action of the first adding pump 13, simultaneously monitoring the adding amount of the flocculating agent through the second electromagnetic flowmeter 82 of the flocculating agent conveying pipe 10, when the detection value of the second electromagnetic flowmeter 82 reaches the flocculating agent flow value determined by the flow rate and the concentration of the material, continuously adding the flocculating agent through the first adding pump 13 of the flocculating agent dissolving tank 9 according to the flow value, conveying the material and the flocculating agent to the first pipeline mixer 3 for mixing, and inputting the material and the flocculating agent into the communicating pipe 4; determining the adding amount of a coagulant aid according to the flow and concentration detection values of the flocculant, determining the adding flow of the coagulant aid according to the concentration detection value of the coagulant aid, transmitting information to the controller 16, controlling a second medicine adding pump 131 of the coagulant aid medicine dissolving tank 11 through the controller 16, conveying the coagulant aid into the communicating pipe 4 through the coagulant aid conveying pipe 12 under the action of the second medicine adding pump 131, monitoring the adding amount of the coagulant aid through a third electromagnetic flow meter 83 of the coagulant aid conveying pipe 12, continuously adding the medicine according to the flow value when the detection value of the third electromagnetic flow meter 83 reaches the coagulant aid flow value determined by the flow and the concentration of the flocculant, then inputting the material of the mixed flocculant and the coagulant aid into a second pipeline mixer 5 for mixing reaction, discharging the reacted material from a discharge pipe 6 to a coagulation sedimentation tank, depositing the material in the coagulation sedimentation tank, pressing the slime generated by sedimentation into a slime cake through a plate frame filter press, detecting the clear liquid generated by sedimentation, and discharging the slime after detection.

Automatic add medicine control system, through the real-time supervision to coal washing waste water suspended solid concentration and water yield, accomplish signal real-time transmission simultaneously through control system and realize treating the material and add the dose and adjust in real time, realize concentration, flow and the automatic monitoring and the adjustment that add the dose, guarantee that the material evenly lasts the medicine in pipeline continuous transport process, both save the manual work, also avoid the influence such as the medicine of artificial reason cause is unstable, it is unreasonable to add the medicine flow, pipe blockage, play water turbidity is not up to standard.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An automatic dosing control system in a coal washing water treatment process comprises a base plate (1) and a material conveying pipe (2), and is characterized in that one end of the material conveying pipe (2) is fixedly connected with a first pipeline mixer (3), the other end of the first pipeline mixer (3) is fixedly connected with a communicating pipe (4), the other end of the communicating pipe (4) is connected with a second pipeline mixer (5) through a flange, the other end of the second pipeline mixer (5) is fixedly connected with a discharging pipe (6), the top of the base plate (1) is fixedly connected with a flocculant dissolving tank (9) and a coagulant aid dissolving tank (11), the outer wall of one side of the flocculant dissolving tank (9) and the outer wall of one side of the coagulant aid dissolving tank (11) are respectively and fixedly connected with a first coagulant adding pump (13) and a second coagulant adding pump (131), liquid inlets of the first coagulant adding pump (13) and the second coagulant adding pump (131) are respectively communicated with the flocculant dissolving tank (9) and the coagulant aid dissolving tank (11), a flocculant adding pump (10) is inserted between the flocculant dissolving tank (9) and the material conveying pipe (2), a liquid outlet of the first coagulant aid pump (13) is communicated with the second coagulant adding pump (12), the top of material conveyer pipe (2), the top of flocculating agent conveyer pipe (10) and the top of coagulant aid conveyer pipe (12) are pegged graft respectively and are had first concentration monitoring probe (71), second concentration monitoring probe (72), third concentration monitoring probe (73), are equipped with first electromagnetic flowmeter (81) on material conveyer pipe (2), the top fixedly connected with controller (16) of bottom plate (1), be equipped with second electromagnetic flowmeter (82), third electromagnetic flowmeter (83) on flocculating agent conveyer pipe (10) and coagulant aid conveyer pipe (12) respectively.

2. The automatic dosing control system for the coal washing water treatment process according to claim 1, characterized in that two fixing seats (15) are fixedly connected to the top of the bottom plate (1), and the two fixing seats (15) are respectively sleeved with the material conveying pipe (2) and the communicating pipe (4).

3. The automatic dosing control system for the coal washing water treatment process according to claim 1, wherein the first pipeline mixer (3) and the second pipeline mixer (5) are helical static mixers.

4. The automatic dosing control system for the coal washing water treatment process according to claim 1, wherein the first dosing pump (13) and the second dosing pump (131) are magnetic pumps or metering pumps.

5. The automatic dosing control system for the coal washing water treatment process according to claim 1, wherein the controller (16) is electrically connected with the first concentration monitoring probe (71), the second concentration monitoring probe (72), the third concentration monitoring probe (73), the first electromagnetic flow meter (81), the second electromagnetic flow meter (82), the third electromagnetic flow meter (83), the first dosing pump (13) and the second dosing pump (131).