CN211528143U - Coal slime flocculation sedimentation test on-line tester - Google Patents
Coal slime flocculation sedimentation test on-line tester Download PDFInfo
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- CN211528143U CN211528143U CN202020161146.5U CN202020161146U CN211528143U CN 211528143 U CN211528143 U CN 211528143U CN 202020161146 U CN202020161146 U CN 202020161146U CN 211528143 U CN211528143 U CN 211528143U
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Abstract
An on-line tester for a coal slime flocculation and sedimentation test belongs to the technical field of on-line detection of coal slime sedimentation. The method is characterized in that: the device comprises a test cylinder (4), a sampling feed pipe (2), a liquid dosing device, a stirring device and a turbidity sensor (5), wherein the top of the test cylinder (4) is connected with the sampling feed pipe (2) and a liquid outlet of the liquid dosing device, the turbidity sensor (5) is arranged on one side of the test cylinder (4), an emptying pipe (7) is arranged at the lower part of the test cylinder (4), and the stirring device is arranged at the bottom of the test cylinder (4); one side of the upper part of the test column body (4) is provided with a cleaning device, and one side of the liquid medicine adding device is connected with an inlet of the cleaning device through a breathing tube (10). The method for simulating the manual test can perform the flocculant sedimentation test in a programmed manner, and reduce errors. The test has continuity, real-time performance and accuracy. The problem of coal preparation plant slime water add medicine depend on experience, manual adjustment accuracy poor is solved.
Description
Technical Field
An on-line tester for a coal slime flocculation and sedimentation test belongs to the technical field of on-line detection of coal slime sedimentation.
Background
In the process of coal washing, no matter the gravity washing, the floating separation or the environmental protection and dust fall of a workshop, fine slime water with the granularity of 0.25mm-0.35mm is inevitably generated. Particularly, the flotation tail coal which is a later-stage product of slime water treatment is characterized by fine granularity, large viscosity and more fine mud, the common dewatering machinery can not meet the dewatering requirement, and in order to improve the dewatering efficiency and meet the requirement of the treatment capacity of a coal preparation plant, the slime water must be subjected to flocculation drug sedimentation concentration treatment before filter pressing dewatering. Because different flocculating agents have different sedimentation effects on the coal slime water with different properties, before the flocculation sedimentation treatment of the coal slime water, a flocculation sedimentation effect test of the coal slime water is often required to determine the properties and the using amount of the flocculating agents so as to guide the production. At present, the flocculation sedimentation effect test of the slime water mainly leaves manual work for operation, and the effect judgment is also visual judgment, so that errors are easily generated, the dosage of the expensive flocculating agent is excessive, the production cost is increased, and the environmental protection hidden danger is generated.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the on-line testing instrument for the flocculation and sedimentation test of the coal slime water overcomes the defects of the prior art, is accurate in measurement, avoids errors and can be used for carrying out continuous monitoring for many times.
The utility model provides a technical scheme that its technical problem adopted is: this coal slime water flocculation settlement test on-line test appearance, its characterized in that: the device comprises a test cylinder, a sampling feed pipe, a liquid dosing device, a stirring device and a turbidity sensor, wherein the top of the test cylinder is connected with the sampling feed pipe and a liquid outlet of the liquid dosing device; a cleaning device is arranged on one side of the upper part of the test column body, and one side of the liquid dosing device is connected with an inlet of the cleaning device through a breathing pipe.
The invention simulates a manual test method and realizes the whole process of automatically and accurately adopting the coal slime water sample for detection. The test is carried out in a programmed way, a turbidity sensor is used for detecting the medicine adding effect, a group of medicine adding amount and turbidity data can be obtained through changing the medicine adding amount and repeating the test, a curve is drawn, and the optimal medicine adding amount is determined to guide the production according to the requirements of the production and the environmental protection on the turbidity of the clear water; the type of the flocculant can also be selected preferentially through comparison tests of different flocculants. The tester can perform the flocculant sedimentation test in a programmed mode, and accidental errors are reduced. The test has continuity, real-time performance and accuracy. The instrument has high automation degree, simple structure and strong equipment reliability, and solves the problems that the coal slurry water dosing of a coal preparation plant depends on experience and the accuracy of manual adjustment is poor.
The stirring device is a magnetic stirrer which comprises a magnetic stirring rotor arranged at the bottom in the test column body and a magnetic stirring motor arranged right below the bottom of the test column body.
And electromagnetic valves are respectively arranged on the sampling feeding pipe, the liquid outlet of the liquid dosing device, the breathing tube and the inlet of the cleaning device.
And a quantitative overflow pipe is arranged on the other side of the test column body.
The liquid medicine adding device comprises a liquid medicine adding device, the upper portion of the liquid medicine adding device is connected with a medicine feeding pipe, the lower portion of the liquid medicine adding device is connected with a medicine adding pipe, and the lower portion of the medicine adding pipe is communicated with the upper portion of the test column body.
The cleaning device comprises a clean water flushing pipe, and the lower part of the clean water flushing pipe is communicated with the upper part of the test column body.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
the invention simulates a manual test method and realizes the whole process of automatically and accurately adopting the coal slime water sample for detection. The test is carried out in a programmed way, a turbidity sensor is used for detecting the medicine adding effect, a group of medicine adding amount and turbidity data can be obtained through changing the medicine adding amount and repeating the test, a curve is drawn, and the optimal medicine adding amount is determined to guide the production according to the requirements of the production and the environmental protection on the turbidity of the clear water; the type of the flocculant can also be selected preferentially through comparison tests of different flocculants. The tester can perform the flocculant sedimentation test in a programmed mode, and accidental errors are reduced. The test has continuity, real-time performance and accuracy. The instrument has high automation degree, simple structure and strong equipment reliability, and solves the problems that the coal slurry water dosing of a coal preparation plant depends on experience and the accuracy of manual adjustment is poor.
Drawings
FIG. 1 is a schematic structural diagram of an on-line testing instrument for a slime water flocculation and sedimentation test.
The device comprises a clean water flushing pipe 1, a clean water flushing pipe 2, a sampling feeding pipe 3, a quantitative overflow pipe 4, a test column 5, a turbidity sensor 6, a magnetic stirrer 601, a magnetic stirring rotor 602, a magnetic stirring motor 7, an emptying pipe 8, a liquid dosing device 9, a dosing pipe 10, a breathing pipe 11, a dosing pipe 12, an electromagnetic valve a 13, an electromagnetic valve b 14, an electromagnetic valve c 15, an electromagnetic valve d 16, an electromagnetic valve e 17, an electromagnetic valve f 18, an electromagnetic valve g 19, an electromagnetic valve h 20 and an electromagnetic valve i.
Detailed Description
Fig. 1 is a preferred embodiment of the present invention, and the present invention will be further explained with reference to fig. 1.
Referring to figure 1: an on-line testing instrument for a slime water flocculation and sedimentation test comprises a testing cylinder 4, a sampling feed pipe 2, a liquid dosing device, a stirring device and a turbidity sensor 5, wherein the top of the testing cylinder 4 is connected with the sampling feed pipe 2 and a liquid outlet of the liquid dosing device, the turbidity sensor 5 is arranged on one side of the testing cylinder 4, an emptying pipe 7 is arranged at the lower part of the testing cylinder 4, and the stirring device is arranged at the bottom of the testing cylinder 4; a cleaning device is arranged on one side of the upper part of the test column body 4, and one side of the liquid medicine adding device is connected with an inlet of the cleaning device through a breathing tube 10.
The stirring device is a magnetic stirrer 6, and the magnetic stirrer 6 comprises a magnetic stirring rotor 601 arranged at the bottom in the test column 4 and a magnetic stirring motor 602 arranged right below the bottom of the test column 4. Electromagnetic valves are respectively arranged on the sampling feeding pipe 2, the liquid outlet of the liquid medicine adding device, the breathing pipe 10 and the inlet of the cleaning device. The other side of the test column 4 is provided with a quantitative overflow pipe 3.
The liquid medicine adding device comprises a liquid medicine adding device 8, the upper portion of the liquid medicine adding device 8 is connected with a medicine feeding pipe 11, the lower portion of the liquid medicine adding device is connected with a medicine feeding pipe 9, and the lower portion of the medicine feeding pipe 9 is communicated with the upper portion of the test column body 4. The cleaning device comprises a clean water washing pipe 1, and the lower part of the clean water washing pipe 1 is communicated with the upper part of the test column 4.
The working principle and the working process are as follows: the invention also comprises a calculation module, a PLC/PID controller and an industrial computer when in work. And the flow directions of the slime water sampling, the flocculating agent and other liquids are controlled by a PLC through an electromagnetic valve. Wherein, the pipeline layout: the sampling feeding pipe 2 is connected with an inlet of a coal slime water pipeline of the coal slime pool, the medicine inlet pipe 11 is connected with an outlet of an industrial medicine adding pump, one end part of the respiratory tube 10 is communicated with the atmosphere, the clear water flushing pipe 1 is connected with tap water, and the quantitative overflow pipe 3 and the emptying pipe 7 are connected with the drainage pipe to be communicated with a sewer. During testing, the sampling and feeding pipe 2 is used for collecting a coal slime water sample, the opening and closing sequence of the electromagnetic valve f17, the electromagnetic valve d15 and the electromagnetic valve a12 is controlled in sequence, the coal slime water sample collected by the sampling and feeding pipe 2 is fed into a test column 4 in a dark box, and the volume is quantitative; quantitatively feeding the liquid flocculant into the test column 4 by sequentially controlling the opening sequence of the electromagnetic valve a12, the electromagnetic valve b13, the electromagnetic valve e16, the electromagnetic valve c14 and the electromagnetic valve i 20; after all the electromagnetic valves connected with the test column 4 are closed, the magnetic stirring motor 602 of the magnetic stirrer 6 is started at regular time to drive the magnetic stirring rotor 601 in the test column 4 to rotate, after the test column is static for 3-5 minutes, the turbidity sensor 5 and the calculation module run to measure turbidity, the data of dosage, turbidity and the like, the data are transmitted to a computer to give a group of data, and then the electromagnetic valve a12 and the electromagnetic valve h19 are opened to empty the test column 4. Cleaning of the test column 4: the interior of the test column 4 is cleaned by opening the solenoid d15 and the solenoid h 19.
The tester provided by the invention circularly works through the steps of collecting a coal slime water sample, quantifying a medicament, stirring, standing, detecting turbidity, emptying a test cylinder and cleaning the test cylinder, outputs array data and draws a curve, thereby providing process parameters for settling treatment of the coal slime water. The special test cylinder is utilized to carry out the slime water sedimentation test, the liquid dosing quantitative device feeds the reagent, and the online turbidity meter detects the turbidity of the clean water layer, so that the slime water sedimentation test realizes the instrument analysis, can provide the near-term sedimentation test process parameters at any time, and guides the slime water to be treated more timely. The system has high automation degree, simple structure and strong equipment reliability, solves the problem that the coal slurry sedimentation test of the coal preparation plant depends on manual operation, can ensure more reasonable medicine use, and avoids excessive medicine use.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a coal slime water flocculation settlement test on-line test appearance which characterized in that: the device comprises a test cylinder (4), a sampling feed pipe (2), a liquid dosing device, a stirring device and a turbidity sensor (5), wherein the top of the test cylinder (4) is connected with the sampling feed pipe (2) and a liquid outlet of the liquid dosing device, the turbidity sensor (5) is arranged on one side of the test cylinder (4), an emptying pipe (7) is arranged at the lower part of the test cylinder (4), and the stirring device is arranged at the bottom of the test cylinder (4); one side of the upper part of the test column body (4) is provided with a cleaning device, and one side of the liquid medicine adding device is connected with an inlet of the cleaning device through a breathing tube (10).
2. The coal slime water flocculation and sedimentation test on-line tester of claim 1, which is characterized in that: the stirring device is a magnetic stirrer (6), and the magnetic stirrer (6) comprises a magnetic stirring rotor (601) arranged at the bottom in the test column body (4) and a magnetic stirring motor (602) arranged right below the bottom of the test column body (4).
3. The coal slime water flocculation and sedimentation test on-line tester of claim 1, which is characterized in that: the sampling feeding pipe (2), the liquid outlet of the liquid dosing device, the breathing tube (10) and the inlet of the cleaning device are respectively provided with an electromagnetic valve.
4. The coal slime water flocculation and sedimentation test on-line tester of claim 1, which is characterized in that: and a quantitative overflow pipe (3) is arranged on the other side of the test column body (4).
5. The coal slime water flocculation and sedimentation test on-line tester of claim 1, which is characterized in that: the liquid medicine adding device comprises a liquid medicine adding device (8), the upper portion of the liquid medicine adding device (8) is connected with a medicine feeding pipe (11), the lower portion of the liquid medicine adding device is connected with a medicine feeding pipe (9), and the lower portion of the medicine feeding pipe (9) is communicated with the upper portion of the test column body (4).
6. The coal slime water flocculation and sedimentation test on-line tester of claim 1, which is characterized in that: the cleaning device comprises a clean water washing pipe (1), and the lower part of the clean water washing pipe (1) is communicated with the upper part of the test column body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020161146.5U CN211528143U (en) | 2020-02-11 | 2020-02-11 | Coal slime flocculation sedimentation test on-line tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020161146.5U CN211528143U (en) | 2020-02-11 | 2020-02-11 | Coal slime flocculation sedimentation test on-line tester |
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| Publication Number | Publication Date |
|---|---|
| CN211528143U true CN211528143U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020161146.5U Active CN211528143U (en) | 2020-02-11 | 2020-02-11 | Coal slime flocculation sedimentation test on-line tester |
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| CN (1) | CN211528143U (en) |
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- 2020-02-11 CN CN202020161146.5U patent/CN211528143U/en active Active
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