CN213914278U - Coal processing device and coal washing and separating equipment - Google Patents
Coal processing device and coal washing and separating equipment Download PDFInfo
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- CN213914278U CN213914278U CN202022780683.0U CN202022780683U CN213914278U CN 213914278 U CN213914278 U CN 213914278U CN 202022780683 U CN202022780683 U CN 202022780683U CN 213914278 U CN213914278 U CN 213914278U
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Abstract
The utility model provides a coal processing apparatus and coal washout equipment, coal processing apparatus includes coarse coal mud processing portion and coarse coal mud conveying part, and the export of coarse coal mud processing portion and the entry intercommunication of coarse coal mud conveying part, coarse coal mud conveying part are including first export and the second export that is used for exporting the coarse coal mud, and first export is used for exporting the coarse coal mud to washing and mixing the coal, and the second export is used for exporting the coarse coal mud to washing clean coal. The utility model discloses a coal processing apparatus includes coarse coal slime conveyor portion, when utilizing coarse coal slime conveyor portion to carry coarse coal slime, can control coarse coal slime from the second export to washing the cleaned coal, consequently can mix the coarse coal slime in washing the cleaned coal to make full use of coarse coal slime more, improve the output of washing the cleaned coal, reduce the waste of coal resources. The coal washing and separating equipment adopts the coal processing device, so that the coarse coal slime can be conveyed to the washed and mixed coal conveying device or the washed and cleaned coal conveying device, and part of the coarse coal slime can be doped into the washed and cleaned coal.
Description
Technical Field
The utility model relates to a coal industry field particularly, relates to a coal processing apparatus and coal washing and dressing equipment.
Background
In the coal industry, the produced raw coal needs to be sorted to be used or sold as product coal, wherein washing and sorting coal is a sorting treatment means of coal.
The washing and dressing of coal refers to that the raw coal is washed, sorted and screened, impurities such as gangue and sulfur content in the raw coal are removed or reduced, and the raw coal is divided into coal with a plurality of varieties according to different coal types, ash contents, heat values and particle sizes.
Among them, coal meeting the requirements of the final product is called washed clean coal, and the other part is called washed mixed coal.
As shown in fig. 1, coarse coal slurry water generated in the coal washing process is processed to form coarse coal slurry, and the existing coarse coal slurry is added into the washed and mixed coal.
If the quality of the raw coal is good enough, the quality of the coarse coal slime can be correspondingly improved, and even the requirement of doping to clean coal can be met, but the coarse coal slime is still doped to the clean coal in the prior art, so that the waste of coal resources is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coal processing apparatus, it can export coarse coal mud to washing the coal blending or wash the clean coal to improve the utilization ratio of coal, reduce the waste of coal resource.
Another object of the utility model is to provide a coal washing and separating equipment, it has adopted foretell coal processing apparatus, consequently can carry the coarse coal mud to wash and mix coal conveyor or wash clean coal conveyor for partly coarse coal mud can mix to washing clean coal, has improved the utilization ratio of coarse coal mud, has improved the output of washing clean coal, reduces the waste of coal resource.
The utility model discloses a realize like this:
the utility model provides a coal processing apparatus, includes coarse coal slime processing part and coarse coal slime conveying part, the export of coarse coal slime processing part and the entry intercommunication of coarse coal slime conveying part, and coarse coal slime conveying part exports including the first export and the second that are used for exporting the coarse coal slime that first export is used for exporting the coarse coal slime to washing coal mixture, and the second export is used for exporting the coarse coal slime to washing clean coal.
The utility model discloses a coal processing apparatus includes coarse coal slime conveyor portion, when utilizing coarse coal slime conveyor portion to carry coarse coal slime, can control coarse coal slime from first export output to washing the coal mixture, perhaps export from the second to washing the cleaned coal, perhaps export from first export and second simultaneously, consequently can mix the coarse coal slime in washing the cleaned coal, thereby make full use of coarse coal slime more, improve the output of washing the cleaned coal, reduce the waste of coal resources.
In a preferred technical solution of the present invention, the coal processing apparatus further comprises a coarse coal slurry detecting portion and a control portion; the coarse coal slime detection part is electrically connected with the control part and is used for detecting coarse coal slime output by the coarse coal slime processing part; the control part is electrically connected with the coarse coal slime conveying part and is used for controlling the opening and closing of the first outlet and the second outlet of the coarse coal slime conveying part according to the feedback of the coarse coal slime detecting part.
The utility model discloses among the technical scheme of preferred, above-mentioned coarse coal mud test section includes ash content detecting element for detect the ash content of coarse coal mud, when ash content was greater than the default, the second export of control portion control coarse coal mud conveying part was closed.
The utility model discloses in the technical scheme of preferred, when ash content was greater than 16%, the second export of control division control coarse coal mud conveying part was closed.
The utility model discloses among the technical scheme of preferred, above-mentioned coarse coal mud test section includes moisture detecting element for detect the moisture content of coarse coal mud, when moisture content was greater than the default, the second export of control portion control coarse coal mud conveying part was closed.
The utility model discloses among the technical scheme of preferred, when moisture content was greater than 33%, the second export of control division control coarse coal mud conveying part was closed.
The utility model discloses among the technical scheme of preferred, above-mentioned coal processing apparatus still includes coarse coal slime flow detection portion, and coarse coal slime flow detection portion is connected with the control part electricity, and coarse coal slime flow detection portion is used for detecting the coarse coal slime of export output from the second of coarse coal slime conveying portion, and when the coarse coal slime of export output from the second of coarse coal slime conveying portion volume reached the default, the second export of control part control coarse coal slime conveying portion was closed.
The utility model discloses among the technical scheme of preferred, above-mentioned coal processing apparatus is still including washing clean coal flow detection portion, it is connected with the control part electricity to wash clean coal flow detection portion, it is used for detecting the volume of the second export of process coarse coal mud conveying part to wash clean coal flow detection portion, detection portion is used for comparing the volume of the coarse coal mud of export output of the second from coarse coal mud conveying part and the volume of the second export of process coarse coal mud conveying part of washing clean coal, when the volume of coarse coal mud and the proportion of the volume of washing clean coal exceed the default, the second export of control part control coarse coal mud conveying part is closed.
The utility model provides a coal washing and dressing equipment, includes washes coal conveyor that mixes, washes clean coal conveyor and foretell coal processing apparatus, and the first export of the coarse coal mud conveying part of coal processing apparatus and wash coal conveyor intercommunication that mixes, the second export of the coarse coal mud conveying part of coal processing apparatus and wash clean coal conveyor intercommunication.
The utility model discloses a coal washing and dressing equipment has adopted foretell coal processing apparatus, consequently can utilize coal processing apparatus to carry coarse coal mud to washing coal blending conveyor or washing clean coal conveyor to mix the coarse coal mud to washing the coal blending or washing the clean coal in, more fully utilize the coarse coal mud, improve the output of washing the clean coal, reduce the waste of coal resources.
The utility model discloses among the technical scheme of preferred, the second export of above-mentioned coal processing apparatus's coarse coal mud conveying part is seted up on the bottom plate of coarse coal mud conveying part, and the below that the part of washing clean coal conveyor is located the second export.
The beneficial effects of the utility model mainly lie in: the coal processing device can output the coarse coal slime to the washed mixed coal or the washed clean coal, thereby improving the utilization rate of the coal and reducing the waste of coal resources. Coal washing and separating equipment adopts the coal processing device, so that coarse coal slime can be conveyed to a coal washing and mixing conveying device or a clean coal washing and conveying device, part of the coarse coal slime can be doped into clean coal, the utilization rate of the coarse coal slime is improved, the yield of the clean coal is improved, and the waste of coal resources is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a process flow diagram of a prior art coal washing and dressing plant;
FIG. 2 is a process flow diagram of an embodiment of the coal washing and separation apparatus of the present invention;
FIG. 3 is a schematic view of a coarse coal slurry conveying section of an embodiment of the coal treatment apparatus of the present invention;
fig. 4 is a flow chart of the operation of an embodiment of the coal treatment apparatus of the present invention.
In the figure:
10-coarse coal slurry conveying part; 11-a base plate; 20-flat door.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a coal processing apparatus, it includes coarse coal slime processing part and coarse coal slime conveying part 10, wherein coarse coal slime conveying part 10 possesses two exports, first export is used for carrying coarse coal slime to washing the coal blending, the second export is used for carrying coarse coal slime to washing the cleaned coal, consequently can mix coarse coal slime in washing the cleaned coal, thereby make full use of coarse coal slime more, improve the output of washing the cleaned coal, reduce the waste of coal resources.
As shown in fig. 1, the coarse coal slurry conveying unit 10 in the prior art conveys all the coarse coal slurry to the washed and mixed coal conveying device, i.e., the coarse coal slurry and the washed and mixed coal are mixed, and are not mixed into the washed and cleaned coal, if the quality of the coarse coal slurry is high enough, the coarse coal slurry cannot be fully utilized, and the waste of coal resources is caused.
Fig. 2 is the utility model discloses a part of structure of washing coal preparation equipment's embodiment, wherein coarse coal slime processing portion and coarse coal slime conveying part 10 of coal processing apparatus are disclosed, can see, coarse coal slime processing portion's export and coarse coal slime conveying part 10's entry intercommunication, and coarse coal slime conveying part 10 includes first export and second export, partly coarse coal slime can be followed the second export and carried to washing cleaned coal conveyor, get into after mixing with washing cleaned coal and wash the cleaned coal storehouse storage, thereby improve the output of washing cleaned coal, the waste of coal resources has been reduced.
The coarse coal slime treatment part comprises a classification swirler, a sieve bend and a coal slime centrifuge, coarse coal slime water generated by coal washing is pumped into the classification swirler and is classified by rotational flow according to different densities and particle sizes, wherein coarse coal slime water at the bottom layer enters the sieve bend for pre-dehydration, coarse coal slime left on the sieve bend enters the coal slime centrifuge for centrifugal dehydration, and dehydrated dry materials, namely coarse coal slime, enter the coarse coal slime conveying part 10.
In a preferred embodiment, the coarse coal slime processing part further includes a dryer, the coarse coal slime dewatered by the coal slime centrifuge enters the dryer for drying, and the dried coarse coal slime enters the coarse coal slime conveying part 10.
Fig. 3 shows an embodiment of the coarse coal slurry conveying part 10 of the coal processing apparatus, in which embodiment the coarse coal slurry conveying part 10 comprises a housing in which a scraper chain is arranged, wherein the scraper chain near the bottom plate 11 of the housing moves from left to right, i.e. in the direction indicated by the arrow in the lower chain travel direction in fig. 3, the inlet of the coarse coal slurry conveying part 10 is located at the left side of the housing, the first outlet is located at the right side of the housing, and the scraper chain pushes the coarse coal slurry from the inlet to the first outlet.
The bottom plate 11 is provided with a second outlet, the second outlet is provided with a flat door 20, and the flat door 20 can open or close the second outlet, namely, the coarse coal slime is controlled to be output from the second outlet to the washed coal.
The plate door 20 is opened and closed in a drawing mode and driven by electricity or hydraulic pressure, and the plate door 20 is arranged on the outer side of the bottom plate 11.
When the plate door 20 is fully opened, coarse coal slime in the coarse coal slime conveying part 10 is output from the second outlet and is output to the washed and cleaned coal conveying device, and the coarse coal slime is mixed with the washed and cleaned coal.
When the flat door 20 is half opened, a part of coarse coal slime in the coarse coal slime conveying part 10 is output from the second outlet and is output to the clean coal washing conveying device, and the coarse coal slime is mixed with the clean coal washing; and the other part of coarse coal slime is output from the first outlet and is output to the washed and mixed coal conveying device, and the coarse coal slime is mixed with the washed and mixed coal.
When the plate door 20 is closed, coarse coal slime in the coarse coal slime conveying part 10 is output from the first outlet and is output to the washing and mixing coal conveying device, and the coarse coal slime is mixed with the washing and mixing coal.
FIG. 4 shows a flow chart of the operation of a coal processing apparatus further comprising a coarse coal slurry detection section and a control section; the coarse coal slime detection part is electrically connected with the control part and is used for detecting coarse coal slime output by the coarse coal slime processing part; the control part is electrically connected with the coarse coal slime conveying part 10, and the control part is used for controlling the opening and closing of the first outlet and the second outlet of the coarse coal slime conveying part 10 according to the feedback of the coarse coal slime detection part.
The coarse coal slime detection part comprises an ash content detection unit for detecting the ash content of the coarse coal slime, and when the ash content is larger than a preset value, the control part controls the second outlet of the coarse coal slime conveying part 10 to be closed.
The ash content of the coarse coal slurry refers to the weight percentage of the ash in the coarse coal slurry.
In the embodiment shown in fig. 4, the control part controls the second outlet of the coarse coal slurry feeding part 10 to be closed when the ash content is greater than 16%, i.e., the weight of the ash accounts for more than 16% of the weight of the coarse coal slurry.
The coarse coal slime detection part comprises a moisture detection unit for detecting the moisture content of the coarse coal slime, and when the moisture content is larger than a preset value, the control part controls the second outlet of the coarse coal slime conveying part 10 to be closed.
The moisture content of the coarse coal slurry is the weight percentage of the moisture in the coarse coal slurry.
In the embodiment shown in fig. 4, the control part controls the second outlet of the coarse coal slurry feeding part 10 to be closed when the moisture content is more than 33%, i.e., the weight of the moisture accounts for more than 33% of the weight of the coarse coal slurry.
In order to maintain the quality of the washed coal, the ash content and the moisture content of the coarse coal slurry are strictly required, the coarse coal slurry meeting the standards can be mixed with the washed coal, and the mixing amount needs to be controlled.
The coal processing device further comprises a coarse coal slime flow detection portion, the coarse coal slime flow detection portion is electrically connected with the control portion, the coarse coal slime flow detection portion is used for detecting the amount of coarse coal slime output from a second outlet of the coarse coal slime conveying portion 10, and when the amount of coarse coal slime output from the second outlet of the coarse coal slime conveying portion 10 reaches a preset value, the control portion controls the second outlet of the coarse coal slime conveying portion 10 to be closed.
The coal processing apparatus not only limits the total amount of coarse coal slurry output from the second outlet, but also has a relationship with the amount of cleaned coal.
The coal processing device further comprises a washed clean coal flow detection portion, the washed clean coal flow detection portion is electrically connected with the control portion, the washed clean coal flow detection portion is used for detecting the amount of washed clean coal passing through a second outlet of the coarse coal slime conveying portion 10, the detection portion is used for comparing the amount of coarse coal slime output from the second outlet of the coarse coal slime conveying portion 10 with the amount of washed clean coal passing through a second outlet of the coarse coal slime conveying portion 10, and when the proportion of the amount of the coarse coal slime and the amount of the washed clean coal exceeds a preset value, the control portion controls the second outlet of the coarse coal slime conveying portion 10 to be closed.
The amount of coarse coal slurry and the amount of cleaned coal represent the weight.
In the embodiment shown in fig. 4, when the ratio of the amount of coarse coal slurry to the amount of cleaned coal exceeds 1:9, the control part outputs a signal to close the second outlet of the coarse coal slurry feeding part 10.
One specific example is given below: the ash content of the coarse coal slime treated by the coarse coal slime treatment part is 11-16%, the water content is 28-33%, and the coarse coal slime accounts for 10-15% of the raw coal input amount.
The ash content of the washed coal without the coarse slime is 6-8%, and the moisture content is 10-12%.
The coarse coal slime is doped according to the proportion of 1:9, namely nine parts of cleaned coal are doped with one part of the coarse coal slime, the ash content of the doped cleaned coal is less than or equal to 9 percent, the water content is less than or equal to 17 percent, other indexes such as fixed carbon and the like can meet the requirement of coal for chemical industry, and the yield of the cleaned coal is improved by 10 percent.
Meanwhile, because a part of coarse coal slime is doped with clean coal, the amount of the coarse coal slime doped with the clean coal is relatively reduced, so that the moisture of a coal washing and mixing product is reduced by 1 to 3 percent on the original basis, reaches 27 percent, and can better meet the requirements of users.
It is visible, adopt the utility model discloses a coal processing apparatus handles coarse coal mud for during the poor miscellaneous clean coal that goes into of coarse coal mud, under the prerequisite that the clean coal accords with the standard is washed in the guarantee, can improve the output of washing the clean coal, improves 10% with clean coal productivity, and can also reduce the moisture of washing the coal that mixes, improves the quality of washing the coal that mixes.
The utility model also provides a coal washing and separating equipment, including washing coal blending conveyor, washing clean coal conveyor and foretell coal processing apparatus, the first export of coal processing apparatus's coarse coal slime conveying part 10 with wash coal blending conveyor intercommunication, the second export of coal processing apparatus's coarse coal slime conveying part 10 with wash clean coal conveyor intercommunication.
The coal washing and separating equipment adopts the coal processing device, so that the coal processing device can be controlled, the coarse coal slime is conveyed to the coal washing and mixing conveying device or the clean coal conveying device by the coarse coal slime conveying part 10, the coarse coal slime is mixed into the washed and mixed coal or the clean coal, the coarse coal slime is utilized more fully, the yield of the clean coal is improved, and the waste of coal resources is reduced.
In a preferred embodiment, the second outlet of the coarse coal slurry conveyor 10 of the coal treatment plant opens onto the floor 11 of the coarse coal slurry conveyor 10, and a part of the clean coal conveyor is located below the second outlet.
Because the cleaned coal conveyor passes through the lower part of the second outlet, when the second outlet is opened, the coarse coal slime can directly fall down and fall into the cleaned coal conveyor, and is doped and mixed with the cleaned coal in the cleaned coal conveyor.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a coal processing apparatus, its characterized in that, includes coarse coal slime processing part and coarse coal slime conveying part, the export of coarse coal slime processing part with the entry intercommunication of coarse coal slime conveying part, coarse coal slime conveying part exports including the first export and the second that are used for exporting coarse coal slime, the first export is used for exporting coarse coal slime to washing coal blending, the second export is used for exporting coarse coal slime to washing clean coal.
2. The coal processing apparatus according to claim 1, further comprising a coarse coal slurry detection section and a control section;
the coarse coal slime detection part is electrically connected with the control part and is used for detecting the coarse coal slime output by the coarse coal slime processing part;
the control part with coarse coal slime conveying part electricity is connected, the control part is used for according to coarse coal slime detection portion's feedback control the switching of the first export of coarse coal slime conveying part and second export.
3. The coal processing apparatus of claim 2, wherein the coarse coal slurry detecting part comprises an ash detecting unit for detecting an ash content of the coarse coal slurry, and the control part controls the second outlet of the coarse coal slurry conveying part to be closed when the ash content is greater than a preset value.
4. The coal processing apparatus of claim 3, wherein the control part controls the second outlet of the coarse coal slurry feeding part to be closed when the ash content is greater than 16%.
5. The coal processing apparatus of claim 2, wherein the coarse coal slurry detecting part comprises a moisture detecting unit for detecting a moisture content of the coarse coal slurry, and the control part controls the second outlet of the coarse coal slurry conveying part to be closed when the moisture content is greater than a preset value.
6. The coal processing apparatus of claim 5, wherein the control part controls the second outlet of the coarse coal slurry conveying part to be closed when the moisture content is greater than 33%.
7. The coal processing apparatus according to any one of claims 2 to 6, further comprising a coarse coal slurry flow rate detection portion electrically connected to the control portion for detecting an amount of coarse coal slurry output from the second outlet of the coarse coal slurry conveying portion, wherein the control portion controls the second outlet of the coarse coal slurry conveying portion to be closed when the amount of coarse coal slurry output from the second outlet of the coarse coal slurry conveying portion reaches a preset value.
8. The coal processing device according to claim 7, wherein the coal processing device further comprises a washed clean coal flow detection portion, the washed clean coal flow detection portion is electrically connected with the control portion, the washed clean coal flow detection portion is used for detecting the amount of the washed clean coal passing through the second outlet of the coarse coal slurry conveying portion, the detection portion is used for comparing the amount of the coarse coal slurry output from the second outlet of the coarse coal slurry conveying portion with the amount of the washed clean coal passing through the second outlet of the coarse coal slurry conveying portion, and when the ratio of the amount of the coarse coal slurry to the amount of the washed clean coal exceeds a preset value, the control portion controls the second outlet of the coarse coal slurry conveying portion to be closed.
9. A coal washing and separating device, characterized by comprising a coal washing and mixing conveying device, a clean coal washing and conveying device and the coal processing device as claimed in any one of claims 1 to 8, wherein a first outlet of a coarse coal slurry conveying part of the coal processing device is communicated with the coal washing and mixing conveying device, and a second outlet of the coarse coal slurry conveying part of the coal processing device is communicated with the clean coal washing and conveying device.
10. The coal washing and separating apparatus of claim 9, wherein the second outlet of the coarse coal slurry conveying section of the coal processing device opens at a bottom plate of the coarse coal slurry conveying section, and a portion of the clean coal conveying device is located below the second outlet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022780683.0U CN213914278U (en) | 2020-11-25 | 2020-11-25 | Coal processing device and coal washing and separating equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022780683.0U CN213914278U (en) | 2020-11-25 | 2020-11-25 | Coal processing device and coal washing and separating equipment |
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| CN213914278U true CN213914278U (en) | 2021-08-10 |
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| CN202022780683.0U Active CN213914278U (en) | 2020-11-25 | 2020-11-25 | Coal processing device and coal washing and separating equipment |
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