CN212655518U - Coal preparation plant slime water intelligence medicine system - Google Patents
Coal preparation plant slime water intelligence medicine system Download PDFInfo
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- CN212655518U CN212655518U CN202020532175.8U CN202020532175U CN212655518U CN 212655518 U CN212655518 U CN 212655518U CN 202020532175 U CN202020532175 U CN 202020532175U CN 212655518 U CN212655518 U CN 212655518U
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Abstract
The utility model relates to a coal preparation plant coal slime water intelligence charge system belongs to coal washing and selects technical field. The utility model discloses the one end and the concentrated pond of well coal slime water pan feeding pipeline are connected, the other end is connected with the guard box, the one end and the cation charge equipment of a cation charge pipeline are connected, the other end is connected with the guard box, the one end and the anion charge equipment of an anion charge pipeline are connected, the other end and a coal slime water pan feeding tube coupling, the one end and the anion charge tube coupling of No. two anion charge pipelines, the other end and a coal slime water pan feeding tube coupling, the one end and the anion charge tube coupling of No. three anion charge pipelines, the other end is connected with the concentrated pond, the one end and the anion charge equipment of No. two coal slime water pan feeding pipelines are connected, the other end and cation charge equipment are connected.
Description
Technical Field
The utility model relates to a coal preparation plant coal slime water intelligence charge system belongs to coal washing and selects technical field.
Background
In recent years, with the great improvement of the degree of mechanization of coal mining, the specific gravity of the content of fine coal in selected raw coal is increased, the concentration and the treatment capacity of coal slurry are increased, and the treatment difficulty is great particularly for the coal slurry with high-ash fine mud and difficult-to-settle property. The coal slurry water treatment system of the coal preparation plant becomes the most complex, most investment, most production cost and most difficult management important link which restricts the economic index and social benefit of the whole plant due to a plurality of factors, the treatment effect directly influences the index of the reuse and closed cycle of the washing water, and has great influence on other links of the coal preparation plant, such as the separation efficiency, the number quality index of products and the technical index of each process link.
Flocculation sedimentation is an important link of slime water treatment, and is an effective method for improving the sedimentation efficiency of suspended matters and improving the slime water treatment effect by adding a flocculating agent and a coagulant solution into the slime water of a thickener. However, the flocculation sedimentation process is a complex nonlinear process with large inertia, large hysteresis, time variation and uncertainty, and is related to sedimentation characteristics of the coal slime water, properties of a flocculating agent and the like. At present, the lower separation limit of coal separation is in a decreasing trend, and the decrease of the lower separation limit can increase the coal slime amount, so that the pressure of a coal slime water treatment system is increased sharply.
For example, CN208500465U, the application date is 6.1.2018, the publication/announcement date is 2.15.2019, and the technical subject is an automatic chemical feeding control device for coal slime water treatment in a coal preparation plant.
SUMMERY OF THE UTILITY MODEL
Consequently coal preparation plant urgent need quick, accurate coal slime water intelligence medicine system, the utility model aims to overcome the unable accurate problem of adding medicine of coal preparation plant coal slime water system, and provide coal preparation plant coal slime water intelligence medicine system, make coal preparation plant's coal slime water system realize stable, accurate and quick medicine that adds.
The utility model provides a technical scheme that above-mentioned problem adopted is: this coal preparation plant coal slime water intelligence medicine system, its structural feature lies in: including anion medicine equipment, cation medicine equipment, concentrated pond, guard box, anion medicine adding pipeline, No. two anion medicine adding pipelines, No. three anion medicine adding pipelines, cation medicine adding pipeline, concentration meter drainage pipeline, clear water pipeline, circulating water pipeline, a coal slime water pan feeding pipeline and No. two coal slime water pan feeding pipelines, the one end and the concentrated pond of a coal slime water pan feeding pipeline are connected, the other end and the guard box are connected, the one end and the cation medicine adding equipment of a cation medicine adding pipeline are connected, the other end and the guard box are connected, the one end and the anion medicine equipment of an anion medicine adding pipeline are connected, the other end and a coal slime water pan feeding pipeline are connected, the one end and the anion medicine adding pipeline of No. two anion medicine adding pipelines are connected, the other end and a coal slime water pan feeding pipeline are connected, the one end and the anion medicine adding pipeline of No. three anion medicine adding pipelines are connected, The other end is connected with concentrated pond, the one end and the anion of No. two coal slime water pan feeding pipelines are connected with anion dosing equipment, the other end is connected with cation dosing equipment, No. one anion adds and installs governing valve, sight glass pipe and flowmeter on the medicine pipeline, No. two anions add and install governing valve and sight glass pipe on the medicine pipeline, No. three anions add and install governing valve and sight glass pipe on the medicine pipeline, install governing valve and flowmeter on the medicine pipeline, install interface appearance and concentration meter on the medicine pipeline, the concentration meter passes through concentration meter drain line with concentrated pond and is connected, clear water pipeline and circulating water pipeline all with No. two coal slime water pan feeding pipeline connections, all install the governing valve on No. two coal slime water pan feeding pipelines, clear water pipeline and the circulating water pipeline.
Further, still include filter-pressing pan feeding bucket and No. two cation medicine pipelines, No. two cation medicine pipelines's one end and a cation medicine pipeline connection, the other end is connected with filter-pressing pan feeding bucket.
Further, install concentrated pond turbulence case in the concentrated pond, the one end and the concentrated pond turbulence case of a coal slime water pan feeding pipeline are connected, the other end is connected with the guard box, the one end and the anion of No. three anion with the medicine pipeline are connected, the other end is connected with concentrated pond turbulence case.
Further, the interface meter is positioned in the concentration tank.
Further, anion medicine equipment includes anion agitator, anion medicine storage bucket, anion agitator motor, anion level gauge, anion switch board and anion and adds medicine funnel, the anion agitator is connected with anion medicine storage bucket, anion adds medicine funnel and anion agitator connection, anion agitator motor installs on the anion agitator, anion level gauge is located anion medicine storage bucket, anion agitator motor is connected with the anion switch board.
Further, cation medicine equipment includes cation agitator, cation storage medicine bucket, cation agitator motor, cation level gauge, cation switch board and cation and adds the medicine funnel, the cation agitator is connected with cation storage medicine bucket, the cation adds the medicine funnel and is connected with the cation agitator, cation agitator motor installs on the cation agitator, the cation level gauge is located cation storage medicine bucket, cation agitator motor is connected with the cation switch board.
Further, another technical object of the utility model is to provide a chemical feeding method of coal preparation plant coal slime water intelligence medicine system.
The above technical object of the present invention can be achieved by the following technical solutions.
A chemical adding method of an intelligent chemical adding system for coal slime water in a coal preparation plant is characterized by comprising the following steps: the dosing method comprises the following steps:
add the guard box with the cation medicament through cation charge equipment, divide into the different with the anion medicament and add a coal slime water pan feeding pipeline with the anion medicament through anion charge equipment, and the flow of different dosing point can be adjusted, the control that anion and cation add the dose is carried out to the coal slime water pan feeding concentration that concentration tank clarification water layer height and the concentration meter that detects through the interface appearance, flow through flowmeter accurate detection anion medicament and cation medicament, finally realize quick, accurate the interpolation of medicament.
Further, a cation medicament is added into the filter pressing charging basket through a cation medicament adding device.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the dosage can be more accurately controlled, and the loss of the medicament is greatly reduced.
(2) The phenomena of medicine breaking and water blacking of the medicine storage barrel can be avoided, the concentration of overflow water is effectively reduced, the concentration of coal dressing and water washing is guaranteed, and production water supplemented by coal dressing is saved.
(3) The reduction of the concentration of the washing water can reduce the medium consumption and oil consumption of a dense medium system, reduce the pollution of the coal slime to clean coal, improve the separation efficiency and increase the recovery rate of clean coal products.
(4) The filter pressing effect of the filter press can be improved, and the output of filter-pressed coal slime is effectively improved; the failure rate of the filter press is reduced, the accident occurrence rate of the press rake of the concentrating machine and the like and the risk of production stop and maintenance are reduced, and the equipment maintenance cost is saved.
(5) Can reduce the labor intensity of workers, reduce the harm of medicine powder to the health of workers in the medicine adding process, improve the work efficiency of a medicine adding system, save the labor cost and realize the reduction of people and the improvement of the effect.
After the system is applied to a coal preparation plant, the automatic, accurate and quick addition of the medicament can be realized, the use amount of anionic medicament and cationic medicament can be reduced, the stable height of a clear water layer of a concentration tank of the coal preparation plant is ensured, the filter pressing effect of a filter press can be improved, the black water phenomenon is avoided, and the system has obvious economic and social benefits and the effects of quality improvement and synergy.
Drawings
FIG. 1 is the utility model discloses coal preparation plant coal slime water intelligence medicine system's schematic structure diagram.
Fig. 2 is a schematic structural diagram of the cation dosing device according to the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an anion medicine adding device according to an embodiment of the present invention.
In the figure: an anion medicine adding device 1, a cation medicine adding device 2, a concentration tank 3, a protection box 4, a filter pressing charging bucket 5,
A first anion medicine adding pipeline 61, a second anion medicine adding pipeline 62, a third anion medicine adding pipeline 63,
A first cation medicine adding pipeline 71, a second cation medicine adding pipeline 72,
A concentration meter drainage pipeline 8,
A clean water pipeline 9,
A circulating water pipeline 10,
A first slime water feeding pipeline 111, a second slime water feeding pipeline 112,
An interface instrument 12, a flowmeter 13, a concentration meter 14, a concentration pool turbulence box 15, a sight glass tube 16, an adjusting valve 17,
An anion stirring barrel 011, an anion medicine storage barrel 012, an anion stirring motor 013, an anion liquid level meter 014, an anion control cabinet 015, an anion medicine adding funnel 016,
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Examples are given.
Referring to fig. 1 to 3, it should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, in the present specification, if there are terms such as "upper", "lower", "left", "right", "middle" and "one", they are used for clarity of description only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are considered as the scope of the present invention without substantial changes in the technical content.
Example 1.
The coal preparation plant coal slime water intelligence medicine system in this embodiment includes anion medicine equipment 1, cation medicine equipment 2, concentrated pond 3, guard box 4, anion medicine pipeline 61, No. two anion medicine pipelines 62, No. three anion medicine pipelines 63, a cation medicine pipeline 71, concentration meter drain line 8, clear water pipeline 9, circulating water pipeline 10, a coal slime water pan feeding pipeline 111 and No. two coal slime water pan feeding pipelines 112.
In this embodiment, one end of a first slime water feeding pipeline 111 is connected to the concentration tank 3, the other end is connected to the protection box 4, one end of a first cation dosing pipeline 71 is connected to the cation dosing device 2, the other end is connected to the protection box 4, one end of a first anion dosing pipeline 61 is connected to the anion dosing device 1, the other end is connected to the first slime water feeding pipeline 111, one end of a second anion dosing pipeline 62 is connected to the first anion dosing pipeline 61, the other end is connected to the first slime water feeding pipeline 111, one end of a third anion dosing pipeline 63 is connected to the first anion dosing pipeline 61, the other end is connected to the concentration tank 3, one end of a second slime water feeding pipeline 112 is connected to the anion dosing device 1, the other end is connected to the cation dosing device 2, and the first anion dosing pipeline 61 is provided with a regulating valve 17, The water treatment device comprises a sight glass pipe 16 and a flow meter 13, wherein a regulating valve 17 and a sight glass pipe 16 are installed on a second anion dosing pipeline 62, a regulating valve 17 and a sight glass pipe 16 are installed on a third anion dosing pipeline 63, a regulating valve 17 and a flow meter 13 are installed on a first cation dosing pipeline 71, an interface instrument 12 and a concentration meter 14 are installed on a first slime water feeding pipeline 111, the concentration meter 14 is connected with a concentration tank 3 through a concentration meter drainage pipeline 8, a clean water pipeline 9 and a circulating water pipeline 10 are connected with a second slime water feeding pipeline 112, and regulating valves 17 are installed on the second slime water feeding pipeline 112, the clean water pipeline 9 and the circulating water pipeline 10.
A concentration tank turbulence box 15 is installed in the concentration tank 3 in the embodiment, one end of a first slime water feeding pipeline 111 is connected with the concentration tank turbulence box 15, the other end of the first slime water feeding pipeline is connected with a protection box 4, one end of a third anion medicine adding pipeline 63 is connected with a first anion medicine adding pipeline 61, and the other end of the third slime water feeding pipeline is connected with the concentration tank turbulence box 15; the interface meter 12 is positioned in the concentration tank 3.
Anion medicine equipment 1 in this embodiment includes anion agitator 011, anion medicine storage bucket 012, anion agitator motor 013, anion level meter 014, anion switch board 015 and anion medicine adding funnel 016, anion agitator 011 is connected with anion medicine storage bucket 012, anion medicine adding funnel 016 is connected with anion agitator 011, anion agitator motor 013 installs on anion agitator 011, anion level meter 014 is located anion medicine storage bucket 012, anion agitator motor 013 is connected with anion switch board 015.
The chemical adding method of the coal slime water intelligent chemical adding system in the coal preparation plant in the embodiment comprises the following steps:
add guard box 4 with the cation medicament through cation medicine equipment 2, divide into the different dosing point with the anion medicament through anion medicine equipment 1 and add coal slime water pan feeding pipeline 111 No. one, and the flow of different dosing points can be adjusted, the control that anion and cation dosage were carried out to the coal slime water pan feeding concentration that 3 clear water layer height in the concentration tank that detects through interface appearance 12 and concentration meter 14 detected, flow through 13 accurate detection anion medicaments and cation medicaments, finally realize the quick of medicament, accurate interpolation.
Example 2.
The coal preparation plant coal slime water intelligence medicine system in this embodiment, including anion medicine equipment 1, cation medicine equipment 2, concentrated pond 3, guard box 4, filter-pressing charging bucket 5, an anion adds medicine pipeline 61, No. two anion medicine pipelines 62, No. three anion medicine pipelines 63, a cation medicine pipeline 71, No. two cation medicine pipelines 72, concentration meter drain line 8, clear water pipeline 9, circulating water pipeline 10, coal slime water pan feeding pipeline 111 and No. two coal slime water pan feeding pipeline 112.
In this embodiment, one end of a first slime water feeding pipeline 111 is connected to the concentration tank 3, the other end is connected to the protection box 4, one end of a first cation chemical adding pipeline 71 is connected to the cation chemical adding device 2, the other end is connected to the protection box 4, one end of a second cation chemical adding pipeline 72 is connected to the first cation chemical adding pipeline 71, the other end is connected to the filter pressing feeding barrel 5, one end of a first anion chemical adding pipeline 61 is connected to the anion chemical adding device 1, the other end is connected to the first slime water feeding pipeline 111, one end of a second anion chemical adding pipeline 62 is connected to the first anion chemical adding pipeline 61, the other end is connected to the first slime water feeding pipeline 111, one end of a third anion chemical adding pipeline 63 is connected to the first anion chemical adding pipeline 61, the other end is connected to the concentration tank 3, one end of a second slime water feeding pipeline 112 is connected to the anion chemical adding device 1, and the third anion chemical adding pipeline is connected to, The other end of the first anion dosing pipeline 61 is connected with a cation dosing device 2, a regulating valve 17, a sight glass tube 16 and a flow meter 13 are installed on the first anion dosing pipeline 61, a regulating valve 17 and a sight glass tube 16 are installed on the second anion dosing pipeline 62, a regulating valve 17 and a sight glass tube 16 are installed on the third anion dosing pipeline 63, a regulating valve 17 and a flow meter 13 are installed on the first cation dosing pipeline 71, an interface instrument 12 and a concentration meter 14 are installed on the first slime water feeding pipeline 111, the concentration meter 14 is connected with a concentration tank 3 through a concentration meter drainage pipeline 8, a clean water pipeline 9 and a circulating water pipeline 10 are both connected with a second slime water feeding pipeline 112, and regulating valves 17 are installed on the second slime water feeding pipeline 112, the clean water pipeline 9 and the circulating water pipeline 10.
A concentration tank turbulence box 15 is installed in the concentration tank 3 in the embodiment, one end of a first slime water feeding pipeline 111 is connected with the concentration tank turbulence box 15, the other end of the first slime water feeding pipeline is connected with a protection box 4, one end of a third anion medicine adding pipeline 63 is connected with a first anion medicine adding pipeline 61, and the other end of the third slime water feeding pipeline is connected with the concentration tank turbulence box 15; the interface meter 12 is positioned in the concentration tank 3.
Anion medicine equipment 1 in this embodiment includes anion agitator 011, anion medicine storage bucket 012, anion agitator motor 013, anion level meter 014, anion switch board 015 and anion medicine adding funnel 016, anion agitator 011 is connected with anion medicine storage bucket 012, anion medicine adding funnel 016 is connected with anion agitator 011, anion agitator motor 013 installs on anion agitator 011, anion level meter 014 is located anion medicine storage bucket 012, anion agitator motor 013 is connected with anion switch board 015.
The chemical adding method of the coal slime water intelligent chemical adding system in the coal preparation plant in the embodiment comprises the following steps:
add guard box 4 and filter-pressing entering storage bucket 5 with the cation medicament through cation medicine equipment 2, divide into the anion medicament different with anion medicament through anion medicine equipment 1 and add coal slime water pan feeding pipeline 111 No. one, and the flow of different dosing points can be adjusted, the control of anion and cation addition amount is carried out to the coal slime water pan feeding concentration that 3 clear water layer heights in the concentration tank that detects through interface appearance 12 and concentration meter 14 detected, flow through 13 accurate detection anion medicaments and cation medicaments of flowmeter, finally realize the quick of medicament, accurate interpolation.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides a coal preparation plant coal slime water intelligence medicine system which characterized in that: comprises anion medicine adding equipment (1), cation medicine adding equipment (2), a concentration tank (3), a protection box (4), an anion medicine adding pipeline (61), a second anion medicine adding pipeline (62), a third anion medicine adding pipeline (63), a cation medicine adding pipeline (71), a concentration meter water discharging pipeline (8), a clear water pipeline (9), a circulating water pipeline (10), a coal slime water feeding pipeline (111) and a second coal slime water feeding pipeline (112), wherein one end of the first coal slime water feeding pipeline (111) is connected with the concentration tank (3), the other end is connected with the protection box (4), one end of the first cation medicine adding pipeline (71) is connected with the cation medicine adding equipment (2), the other end is connected with the protection box (4), one end of the first anion medicine adding pipeline (61) is connected with the anion medicine adding equipment (1), The other end is connected with a coal slime water pan feeding pipeline (111), the one end and the anion of No. two anion with medicine pipeline (62) add medicine pipeline (61) and be connected, the other end is connected with a coal slime water pan feeding pipeline (111), the one end and the anion of No. three anion with medicine pipeline (63) add medicine pipeline (61) and be connected, the other end is connected with concentrated pond (3), the one end and the anion of No. two coal slime water pan feeding pipeline (112) add medicine equipment (1) and be connected, the other end is connected with cation with medicine equipment (2), install governing valve (17), sight glass pipe (16) and flowmeter (13) on the anion adds medicine pipeline (61), install governing valve (17) and sight glass pipe (16) on No. two anion with medicine pipeline (62), install governing valve (17) and sight glass pipe (16) on No. three anion with medicine pipeline (63), install governing valve (17) and flowmeter (13) on a cation adds medicine pipeline (71), install interface appearance (12) and densimeter (14) on a coal slime pan feeding pipeline (111), densimeter (14) are connected through densimeter drain line (8) with concentrated pond (3), clear water pipeline (9) and circulating water pipeline (10) all are connected with No. two coal slime pan feeding pipelines (112), all install governing valve (17) on No. two coal slime pan feeding pipelines (112), clear water pipeline (9) and circulating water pipeline (10).
2. The coal preparation plant coal slime water intelligent dosing system of claim 1, characterized in that: still include filter-pressing admission bucket (5) and No. two cation medicine pipes (72), the one end of No. two cation medicine pipes (72) is connected with a cation medicine pipe (71), and the other end is connected with filter-pressing admission bucket (5).
3. The coal preparation plant coal slime water intelligent dosing system of claim 1, characterized in that: install concentrated pond turbulence case (15) in concentrated pond (3), the one end and the concentrated pond turbulence case (15) of a coal slime water pan feeding pipeline (111) are connected, the other end is connected with guard box (4), the one end and the anion of No. three anion with medicine pipeline (63) are connected with medicine pipeline (61), the other end is connected with concentrated pond turbulence case (15).
4. The coal preparation plant coal slime water intelligent dosing system of claim 1, characterized in that: the interface instrument (12) is positioned in the concentration tank (3).
5. The coal preparation plant coal slime water intelligent dosing system of claim 1, characterized in that: anion medicine equipment (1) includes anion agitator (011), anion medicine storage bucket (012), anion agitator motor (013), anion level meter (014), anion switch board (015) and anion and adds medicine funnel (016), anion agitator (011) is connected with anion medicine storage bucket (012), anion adds medicine funnel (016) and is connected with anion agitator (011), anion agitator motor (013) is installed on anion agitator (011), anion level meter (014) is located anion medicine storage bucket (012), anion agitator motor (013) is connected with anion switch board (015).
6. The coal preparation plant coal slime water intelligent dosing system of claim 1, characterized in that: cation medicine equipment (2) include cation agitator (021), cation medicine storage barrel (022), cation agitator motor (023), cation level gauge (024), cation switch board (025) and cation and add medicine funnel (026), cation agitator (021) is connected with cation medicine storage barrel (022), cation adds medicine funnel (026) and is connected with cation agitator (021), cation agitator motor (023) is installed on cation agitator (021), cation level gauge (024) is located cation medicine storage barrel (022), cation agitator motor (023) is connected with cation switch board (025).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111470583A (en) * | 2020-04-13 | 2020-07-31 | 华电电力科学研究院有限公司 | Intelligent chemical adding system and chemical adding method for coal slime water of coal preparation plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111470583A (en) * | 2020-04-13 | 2020-07-31 | 华电电力科学研究院有限公司 | Intelligent chemical adding system and chemical adding method for coal slime water of coal preparation plant |
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