CN210815737U - Flotation automatic control charge device of coal preparation plant - Google Patents
Flotation automatic control charge device of coal preparation plant Download PDFInfo
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- CN210815737U CN210815737U CN201921829632.3U CN201921829632U CN210815737U CN 210815737 U CN210815737 U CN 210815737U CN 201921829632 U CN201921829632 U CN 201921829632U CN 210815737 U CN210815737 U CN 210815737U
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- flotation
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Abstract
The utility model discloses an automatic control chemical feeding device for flotation of a coal preparation plant, which comprises an industrial personal computer and a controller, wherein the industrial personal computer is connected with the controller in a signal transmission way; the device also comprises a clean coal flotation tank and a coal slime sedimentation tank, wherein the clean coal flotation tank is communicated with the coal slime sedimentation tank; the clean coal flotation tank is matched with a foaming agent medicine box which is controlled by the controller to add foaming agent into the clean coal flotation tank and a diesel oil box which is controlled by the controller to add diesel oil into the clean coal flotation tank; a flocculating agent medicine box which is controlled by a controller to add a flocculating agent into the coal slime sedimentation tank is matched with the coal slime sedimentation tank; the clean coal flotation tank is also provided with a foam scraper mechanism and a clean coal foam chute, and the foam scraper mechanism can scrape clean coal foam on the liquid surface in the clean coal flotation tank to the clean coal foam chute. The utility model provides a pair of coal preparation plant flotation automatic control charge device can be according to actual conditions automatically regulated, the interpolation of accurate quick control medicament in process of production.
Description
Technical Field
The utility model belongs to the technical field of the medicament adds equipment, especially, relate to a flotation automatic control charge device of coal preparation plant.
Background
A large amount of sewage mixed with clean coal slime is generated in the wet coal preparation process of the existing coal preparation plant, the clean coal in the sewage mixed with the clean coal slime is separated out by a flotation process, the coal slime is precipitated under the action of a medicament, various medicaments are added in the process, the process is totally artificially controlled by the experience in the production process, the medicament adding amount cannot be accurately controlled, and the method has the following defects:
when the addition amount of the chemical is insufficient, the clean coal in the mixed solution cannot be completely floated, so that the clean coal flotation rate is greatly reduced, the cost is increased, the coal slime precipitation time is prolonged, the water treatment efficiency is reduced, the circulating water reject ratio is increased, and the normal coal dressing is influenced;
secondly, when excessive flotation agents are added, part of coal slime is doped in the flotation clean coal, so that the quality of flotation products is reduced, and the cost is increased;
thirdly, the manual investment is large;
fourthly, great hidden danger is increased for the environmental protection of enterprises, and the enterprises are not facilitated to construct green factories.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides a coal preparation plant flotation automatic control charge device can be according to actual conditions automatically regulated, the interpolation of accurate quick control medicament in process of production.
The technical scheme is as follows: in order to realize the aim, the utility model discloses an automatic control chemical feeding device for flotation of a coal preparation plant, which comprises an industrial personal computer and a controller, wherein the industrial personal computer is connected with the controller in a signal transmission way;
the system also comprises a clean coal flotation tank and a coal slime sedimentation tank, wherein the clean coal flotation tank is communicated with the coal slime sedimentation tank; the clean coal flotation tank is matched with a foaming agent medicine box which is controlled by the controller to add a foaming agent into the clean coal flotation tank and a diesel oil box which is controlled by the controller to add diesel oil into the clean coal flotation tank; a flocculating agent medicine box which is controlled by the controller to add a flocculating agent into the coal slime sedimentation tank is arranged in the coal slime sedimentation tank in a matched manner; stirring devices are arranged in the clean coal flotation tank and the flocculant medicine box, and a chain scraper conveyor is arranged in the coal slime settling tank;
the clean coal flotation tank is also provided with a foam scraper mechanism and a clean coal foam chute, and the foam scraper mechanism can scrape clean coal foam on the liquid surface in the clean coal flotation tank and send the clean coal foam chute.
Further, the foam scraper mechanism comprises a motor, a rotating shaft, a hollow scraper and an air pump; the motor is in driving connection with the rotating shaft; the hollow scrapers are connected to the rotating shaft in a circumferential array, and a plurality of air outlet holes are uniformly and densely distributed on the surface of the clean coal foam accumulated by the hollow scrapers; and the air outlet end of the air pump is communicated with the inner cavity of the hollow scraper.
Furthermore, the clean coal foam chute is tightly attached to the outer side of the clean coal flotation tank, and the input end of the clean coal foam chute is flush with or lower than the tank opening end edge of the clean coal flotation tank.
Further, install flow monitor on the sewage source advances the pipe in clean coal flotation cell, be provided with first concentration detection sensor in the clean coal flotation cell, be provided with second concentration sensor in the coal slime sedimentation cell, flow monitor, first concentration detection sensor and second concentration sensor are signal transmission connection to respectively the controller.
Further, install the foaming agent solenoid valve on the foaming agent pipeline of foaming agent medical kit and clean coal flotation tank intercommunication, install the diesel oil solenoid valve on the diesel oil pipeline of diesel oil tank and clean coal flotation tank intercommunication, install the flocculating agent solenoid valve on the flocculating agent pipeline of flocculating agent medical kit and coal slime sedimentation tank intercommunication, foaming agent solenoid valve, diesel oil solenoid valve and flocculating agent solenoid valve all pass through the controller control.
Furthermore, a stop valve is installed on a sewage source inlet pipe of the clean coal flotation tank.
Has the advantages that: the utility model discloses a coal preparation plant flotation automatic control charge device, beneficial effect is as follows:
1) the dosage is optimized, so that the sewage treatment is more reasonable;
2) the flotation rate of clean coal is increased, and the cost is reduced;
3) reliable operation, and the sewage treatment reaches the standard, and the water quality can form a good closed cycle.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the foam scraping mechanism;
FIG. 3 is a schematic structural diagram of a foam scraper mechanism in a state of scraping clean coal foam by rotation.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in attached figure 1, the automatic control chemical feeding device for flotation in the coal preparation plant comprises an industrial personal computer 1 and a controller 2, wherein the industrial personal computer 1 is in signal transmission connection with the controller 2; the device also comprises a clean coal flotation tank 3 and a coal slime sedimentation tank 4, wherein the clean coal flotation tank 3 is communicated with the coal slime sedimentation tank 4; the clean coal flotation tank 3 is provided with a foaming agent medicine box 5 which is controlled by the controller 2 to add foaming agent into the clean coal flotation tank and a diesel oil box 6 which is controlled by the controller 2 to add diesel oil into the clean coal flotation tank; a flocculating agent medicine box 7 which is controlled by the controller 2 to add a flocculating agent into the coal slime sedimentation tank 4 is arranged in a matched manner; stirring devices 8 are arranged in the clean coal flotation tank 3 and the flocculant medicine box 7, the stirring devices 8 in the clean coal flotation tank 3 stir the sewage, the foaming agent and the diesel oil mixed solution in the clean coal flotation tank to be uniformly mixed, so that clean coal foam is conveniently generated, the stirring devices 8 in the flocculant medicine box 7 stir the flocculant liquid to prevent the solution from flocculating, a chain scraper machine 11 is arranged in the coal slime sedimentation tank 4, and the chain scraper machine 11 regularly conveys the precipitated sludge to a sludge storage yard; the clean coal flotation tank 3 is also provided with a foam scraper mechanism 9 and a clean coal foam chute 10, and the foam scraper mechanism 9 can scrape clean coal foam on the liquid surface in the clean coal flotation tank 3 and send the clean coal foam to the clean coal foam chute 10 for subsequent treatment. The utility model discloses an according to actual conditions automatically regulated in the production process, accurate quick control medicament's interpolation improves the degree of accuracy and the efficiency of production operation.
As shown in fig. 2 and fig. 3, the foam scraping mechanism 9 includes a motor 91, a rotating shaft 92, a hollow scraping plate 93 and an air pump 94; the motor 91 is in driving connection with the rotating shaft 92; the hollow scrapers 93 are connected to the rotating shaft 92 in a circumferential array, and a plurality of air outlet holes 931 are uniformly and densely distributed on the surface of the hollow scrapers 93 accumulating the clean coal foam; the air outlet end of the air pump 94 is communicated with the inner cavity of the hollow scraper 93. The motor 91 drives the rotating shaft 92 to drive the hollow scraper 93 to rotate, so that the clean coal foam on the liquid surface in the clean coal flotation tank 3 is accumulated on the plate surface where the air outlet 931 of the hollow scraper 93 is located, the air pump 94 supplies air to the inner cavity of the hollow scraper 93, and the air blown out from the air outlet 931 blows the clean coal foam accumulated on the hollow scraper 93 to the clean coal foam chute 10. The utility model discloses a foam scraping plate mechanism 9 has added the function of gas propulsion clean coal foam, can blow the clean coal foam that accumulates on the hollow scraper blade 93 on clean coal foam chute 10 is whole, avoids the bad storage stopper of clean coal foam.
As shown in fig. 1, the clean coal foam chute 10 is tightly attached to the outer side of the clean coal flotation tank 3, and the input end of the clean coal foam chute is flush with or lower than the edge of the tank opening end of the clean coal flotation tank 3, so that the clean coal foam in the clean coal flotation tank 3 can be conveniently scraped to the clean coal foam chute 10 through the foam scraping plate mechanism 9.
As shown in the attached drawing 1, a flow monitor 12 is installed on a sewage source inlet pipe of the clean coal flotation tank 3, a first concentration detection sensor 13 is arranged in the clean coal flotation tank 3, a second concentration sensor 14 is arranged in the coal slime sedimentation tank 4, and the flow monitor 12, the first concentration detection sensor 13 and the second concentration sensor 14 are respectively connected to the controller 2 through signal transmission. Install foaming agent solenoid valve 15 on the foaming agent pipeline of foaming agent medical kit 5 and clean coal flotation tank 3 intercommunication, install diesel solenoid valve 16 on the diesel pipeline of diesel tank 6 and clean coal flotation tank 3 intercommunication, install flocculating agent solenoid valve 17 on the flocculating agent pipeline of flocculating agent medical kit 7 and coal slime sedimentation tank 4 intercommunication, foaming agent solenoid valve 15, diesel solenoid valve 16 and flocculating agent solenoid valve 17 all pass through controller 2 control. The flow monitor 12 monitors the sewage input flow, and the monitoring value is transmitted to the controller 2; the first concentration detection sensor 13 detects the concentration of a foaming agent and the concentration of diesel oil in the clean coal flotation tank 3, and the detected concentration of the foaming agent and the detected concentration of the diesel oil are respectively transmitted to the controller 2; the second concentration sensor 14 detects the concentration of the flocculating agent in the coal slime sedimentation tank 4, and the detected concentration value of the flocculating agent is transmitted to the controller 2; the controller 2 presets a foaming agent concentration preset value, a diesel oil concentration preset value and a flocculating agent concentration preset value, and the controller 2 compares and controls the foaming agent concentration preset value, the diesel oil concentration preset value and the flocculating agent concentration preset value, and the conditions are as follows:
a. when the detected concentration value of the foaming agent is lower than the preset value of the concentration of the foaming agent, the controller 2 controls the electromagnetic valve 15 of the foaming agent to be opened, the foaming agent is added into the clean coal flotation tank 3 through the foaming agent medicine box 5, and the operation is stopped until the detected concentration value of the foaming agent is equal to the preset value of the concentration of the foaming agent;
b. when the detected concentration value of the diesel is lower than the preset value of the diesel concentration, the controller 2 controls the diesel electromagnetic valve 16 to open, and the diesel is added into the clean coal flotation tank 3 through the diesel tank 6 until the detected concentration value of the diesel is equal to the preset value of the diesel concentration;
c. when the detected concentration value of the flocculating agent is lower than the preset concentration value of the flocculating agent, the controller 2 controls the electromagnetic valve 17 of the flocculating agent to open, and the flocculating agent is added into the coal slime sedimentation tank 4 through the flocculating agent medicine box 7 until the detected concentration value of the flocculating agent is equal to the preset concentration value of the flocculating agent.
And a stop valve 18 is arranged on a sewage source inlet pipe of the clean coal flotation tank 3, so that the input of a sewage source is conveniently controlled.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (6)
1. The utility model provides a coal preparation plant flotation automatic control charge device which characterized in that: the industrial personal computer (1) is in signal transmission connection with the controller (2);
the device also comprises a clean coal flotation tank (3) and a coal slime sedimentation tank (4), wherein the clean coal flotation tank (3) is communicated with the coal slime sedimentation tank (4); the clean coal flotation tank (3) is provided with a foaming agent medicine box (5) which is controlled by the controller (2) to add a foaming agent into the clean coal flotation tank and a diesel oil box (6) which is controlled by the controller (2) to add diesel oil into the clean coal flotation tank; a flocculating agent medicine box (7) which is controlled by the controller (2) to add a flocculating agent into the coal slime sedimentation tank (4) is arranged in a matched manner; stirring devices (8) are arranged in the clean coal flotation tank (3) and the flocculant medicine box (7), and a chain scraper conveyor (11) is arranged in the coal slime sedimentation tank (4);
the clean coal flotation tank (3) is also provided with a foam scraper mechanism (9) and a clean coal foam chute (10), and the foam scraper mechanism (9) can scrape clean coal foam on the liquid surface in the clean coal flotation tank (3) and send the clean coal foam to the clean coal foam chute (10).
2. The automatic control chemical feeding device for flotation of the coal preparation plant according to claim 1, characterized in that: the foam scraper mechanism (9) comprises a motor (91), a rotating shaft (92), a hollow scraper (93) and an air pump (94); the motor (91) is in driving connection with the rotating shaft (92); the hollow scrapers (93) are connected to the rotating shaft (92) in a circumferential array, and a plurality of air outlet holes (931) are uniformly and densely distributed on the surface of the hollow scrapers (93) accumulating the clean coal foam; and the air outlet end of the air pump (94) is communicated with the inner cavity of the hollow scraper (93).
3. The automatic control chemical feeding device for flotation of the coal preparation plant according to claim 1, characterized in that: the clean coal foam chute (10) is tightly attached to the outer side of the clean coal flotation tank (3), and the input end of the clean coal foam chute is flush with or lower than the edge of the tank opening of the clean coal flotation tank (3).
4. The automatic control chemical feeding device for flotation of the coal preparation plant according to claim 1, characterized in that: install flow monitor (12) on the sewage source advances the pipe of clean coal flotation cell (3), be provided with first concentration detection sensor (13) in clean coal flotation cell (3), be provided with second concentration sensor (14) in coal slime sedimentation tank (4), flow monitor (12), first concentration detection sensor (13) and second concentration sensor (14) signal transmission respectively are connected to controller (2).
5. The automatic control chemical feeding device for flotation of the coal preparation plant according to claim 1, characterized in that: install foaming agent solenoid valve (15) on the foaming agent pipeline of foaming agent medical kit (5) and clean coal flotation tank (3) intercommunication, install diesel solenoid valve (16) on the diesel pipeline of diesel tank (6) and clean coal flotation tank (3) intercommunication, install flocculating agent solenoid valve (17) on the flocculating agent pipeline of flocculating agent medical kit (7) and coal slime sedimentation tank (4) intercommunication, foaming agent solenoid valve (15), diesel solenoid valve (16) and flocculating agent solenoid valve (17) all pass through controller (2) control.
6. The automatic control chemical feeding device for flotation of the coal preparation plant according to claim 1, characterized in that: a stop valve (18) is arranged on a sewage source inlet pipe of the clean coal flotation tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921829632.3U CN210815737U (en) | 2019-10-29 | 2019-10-29 | Flotation automatic control charge device of coal preparation plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921829632.3U CN210815737U (en) | 2019-10-29 | 2019-10-29 | Flotation automatic control charge device of coal preparation plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210815737U true CN210815737U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921829632.3U Expired - Fee Related CN210815737U (en) | 2019-10-29 | 2019-10-29 | Flotation automatic control charge device of coal preparation plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210815737U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695084A (en) * | 2021-08-24 | 2021-11-26 | 太原钢铁(集团)有限公司 | Method for improving flotation separation efficiency |
-
2019
- 2019-10-29 CN CN201921829632.3U patent/CN210815737U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695084A (en) * | 2021-08-24 | 2021-11-26 | 太原钢铁(集团)有限公司 | Method for improving flotation separation efficiency |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 Termination date: 20201029 |