CN211707558U - Coal belt cleaning device for coal engineering - Google Patents
Coal belt cleaning device for coal engineering Download PDFInfo
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- CN211707558U CN211707558U CN202020165684.1U CN202020165684U CN211707558U CN 211707558 U CN211707558 U CN 211707558U CN 202020165684 U CN202020165684 U CN 202020165684U CN 211707558 U CN211707558 U CN 211707558U
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Abstract
The utility model provides a coal belt cleaning device for coal engineering belongs to coal and washs technical field. The coal cleaning device for the coal engineering comprises a rack main body, a driving assembly, a slurry removing assembly, a screening assembly, a feeding assembly and a discharging assembly. The driving assembly comprises a driving motor and a transmission shaft, the slurry removal assembly comprises a filtering roller, a filtering screen, fan blade pieces, a supporting ring plate and a slurry removal water tank, clay in coal is expanded and broken to form muddy water through soaking and continuous rolling, the backwashing water tank is similar to a gourd ladle, water is continuously dug in the rotating process, when the backwashing water tank leaves cleaning water, the residual cleaning water in the backwashing water tank flushes away slurry blocked by the inner wall of the filtering screen due to centrifugal action and gravity action, the slurry is filtered while the backwashing action of the cleaning water is utilized, other cleaning equipment is not added, self-cleaning of the filtering screen is realized, the blockage of the filtering screen caused by the slurry is reduced, and the coal cleaning efficiency is high.
Description
Technical Field
The utility model relates to a coal washs technical field, particularly, relates to coal belt cleaning device for coal engineering.
Background
The coal cleaning is a process of scrubbing coal cemented by clay or containing more mud by using hydraulic power or mechanical force to break the coal, and washing and separating fine mud on the surface of the coal. Before ore crushing or beneficiation, washing is usually required to remove a portion of the clay. The washing of the ore is mainly to make the clay expand and break up by using the washing and soaking action of water, sometimes the breaking up process is accelerated by mechanical impacting, stirring and stripping and grinding actions, and the coal ore and muddy water are separated by a screen.
However, the scheme still has certain defects, and the inventor finds that when the coal is filtered by the screen, the screen is easily blocked by mud clay, the screen needs to be frequently washed, the mud clay is not completely separated, and the coal cleaning efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to compensate the above insufficiency, the utility model provides a coal belt cleaning device for coal engineering aims at improving the inconvenient problem of coal belt cleaning device washing mud clay.
The utility model discloses a realize like this:
the utility model provides a coal belt cleaning device for coal engineering includes frame main part, drive assembly, removes thick liquid subassembly, divides screen assembly, feeding subassembly and ejection of compact subassembly.
The driving assembly comprises a driving motor and a transmission shaft, the driving motor is arranged on one side of the frame main body, the transmission shaft is rotatably connected to one side of the frame main body, the output end of the driving motor is connected to one end of the transmission shaft in a transmission manner, the pulp removing assembly comprises a filtering roller, a filtering screen, a fan blade piece, a supporting ring plate and a pulp removing water tank, the filtering roller is fixedly sleeved on one side of the transmission shaft, the filtering screen and the fan blade piece are both arranged on the periphery side of the surface of the filtering roller, the supporting ring plate is fixedly sleeved on one side of the surface of the filtering roller, the supporting ring plate and the fan blade piece form a backwashing water tank, the filtering screen is arranged in the backwashing water tank, the pulp removing water tank is arranged below the filtering roller, the screening assembly comprises a screening roller, the screening roller is fixedly sleeved on, a discharging through groove is formed in one side of the surface of the screening roller, the feeding assembly is mounted on one side of the frame main body, a discharging hole of the feeding assembly is formed in the filtering roller, and the discharging assembly is arranged below the discharging through groove.
The utility model discloses an in one embodiment, the driving motor output is provided with first gear, transmission shaft one end is provided with the second gear, first gear mesh in the second gear.
In an embodiment of the present invention, the filter drum is adjacent to the driving motor one end is provided with a first transition drum, and the other end of the filter drum is provided with a second transition drum.
In an embodiment of the present invention, the first transition roller is adjacent to the driving motor and a first baffle is disposed on one side of the driving motor, and the discharge port of the feeding assembly is disposed in the first transition roller.
In one embodiment of the present invention, the fan blade member includes a water storage fan blade and a support rod, the support rod is installed on the periphery of the surface of the filter drum, and the water storage fan blade is fixed on one side of the support rod.
In an embodiment of the present invention, the slurry removal tank is connected to an external slurry settling tank.
The utility model discloses an in one embodiment, divide sieve cylinder one side to be provided with and divide the sieve baffle, divide the fixed cover of sieve baffle connect in transmission shaft one side, divide sieve baffle one side to be fixed in the excessive cylinder one side of second.
The utility model discloses an in one embodiment, divide sieve cylinder surface week side to be provided with and divide the sieve pull rod, divide sieve pull rod one end fixed connection in divide sieve baffle one side, the logical groove setting of ejection of compact is in divide the sieve cylinder with divide between the sieve baffle.
The utility model discloses an in one embodiment, divide the sieve cylinder to keep away from the logical groove one side of ejection of compact is provided with discharge baffle, discharge baffle fixed cup connect in transmission shaft one side.
In an embodiment of the present invention, the bottom of the frame body is provided with a traveling wheel.
The utility model has the advantages that: the utility model discloses a coal belt cleaning device for engineering that the above-mentioned design obtained, during the use, at first will remove the thick liquid water tank and pour into washing water, open driving motor, driving motor drives the filter drum and rotates, send into the filter drum through the coal that the feeding subassembly will get rid of mud, the filter drum is less than transmission shaft one side and sinks in the washing water that removes the thick liquid water tank, through the infiltration effect with roll ceaselessly making the clay inflation in the coal break up and form muddy water, the backwash basin is similar to the gourd ladle, the incessant digging water of pivoted in-process, when the backwash basin leaves washing water, remaining washing water in the backwash basin is owing to centrifugal action and gravity action, the mud that filters the jam of screen cloth inner wall is washed away, utilize the recoil effect of washing water when filtering mud, when not adding other cleaning equipment, the self-cleaning of filter screen cloth has been realized, the jam that mud caused the filter screen cloth, the coal cleaning efficiency is high.
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 schematic perspective view of a coal cleaning device for coal engineering according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a slurry removing assembly according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a sieving assembly according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a coal cleaning device for coal engineering provided by an embodiment of the present invention.
In the figure: 100-a rack body; 110-road wheels; 200-a drive assembly; 210-a drive motor; 211-a first gear; 220-a drive shaft; 221-a second gear; 300-a de-starching assembly; 310-a filter drum; 311-a first transition roller; 312-a second transition roller; 313-a first baffle; 320-a filter screen; 330-a fan blade member; 331-water storage fan blades; 332-a support bar; 340-a support ring plate; 350-a pulp removal water tank; 360-backwashing water tank; 400-a sizing assembly; 410-a screening drum; 420-discharge through groove; 430-screen separation pull rod; 440-screen separation baffle; 450-a discharge baffle; 500-a feed assembly; 600-discharge assembly.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
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 work 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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1, 2, 3 and 4, the present invention provides a technical solution: coal cleaning device for coal engineering includes frame main part 100, drive assembly 200, remove thick liquid subassembly 300, divides screen assembly 400, feeding subassembly 500 and ejection of compact subassembly 600.
Wherein, drive assembly 200 installs in frame main part 100 one side, it connects in frame main part 100 one side to remove thick liquid subassembly 300 and branch sieve subassembly 400 all to rotate with dividing sieve subassembly 400, drive assembly 200 transmission is connected in removing thick liquid subassembly 300 and branch sieve subassembly 400, feeding subassembly 500 is fixed in frame main part 100 one side, feeding subassembly 500 discharge gate sets up in removing thick liquid subassembly 300, the feed inlet of ejection of compact subassembly 600 sets up in dividing sieve subassembly 400 below, it makes the interior clay inflation of coal break up and form muddy water to remove thick liquid subassembly 300 incessantly to rotate and soak, make coal ore and mud separation through self-cleaning, coal ore after the washing is along removing the inclination of thick liquid subassembly 300, through rotatory centrifugal force and jigging effect be sent into branch sieve subassembly 400, divide sieve subassembly 400 will wash coal ore and send into ejection of compact subassembly 600 through the through-hole of set.
Referring to fig. 1, the bottom of the frame body 100 is provided with traveling wheels 110, which facilitate workers to move the coal cleaning apparatus to a site.
Referring to fig. 1, the driving assembly 200 includes a driving motor 210 and a transmission shaft 220, the driving motor 210 is installed at one side of the rack main body 100, in this embodiment, the driving motor 210 is a reduction motor, the reduction motor is an integrated body of a reducer and a motor (motor), the reduction motor is characterized by high efficiency and reliability, long service life, simple maintenance, and wide application, and the transmission shaft 220 is rotatably connected to one side of the rack main body 100, in this embodiment, a bearing seat is provided at one side of the rack main body 100, the transmission shaft 220 is rotatably connected to the bearing seat, a first gear 211 is provided at an output end of the driving motor 210, a second gear 221 is provided at one end of the transmission shaft 220, the first gear 211 is engaged with the second gear 221, an output end of the driving motor 210 is rotatably connected to one end of the transmission shaft 220, and the gear, High reliability, constant instantaneous transmission ratio, capability of realizing two-shaft transmission with various position requirements and the like, and is widely applied to modern mechanical transmission.
Referring to fig. 2 and 4, the de-sizing assembly 300 includes a filtering roller 310, a filtering screen 320, a fan 330, a supporting ring plate 340 and a de-sizing water tank 350, in this embodiment, a lantern ring and a connecting rod are arranged on one side of the surface of the transmission shaft 220, the lantern ring is fixed on one side of the surface of the transmission shaft 220 through a pin, the connecting rod is respectively and fixedly connected with the lantern ring and one side of the inner surface of the filtering roller 310, the filtering roller 310 is fixedly sleeved on one side of the transmission shaft 220, the fan blade part 330 comprises a water storage fan blade 331 and a supporting rod 332, the supporting rod 332 is arranged on the periphery side of the surface of the filtering roller 310, the supporting rod 332 is welded with the filtering roller 310, the water storage fan blade 331 is fixed on, the uniformly distributed support rods 332 not only support and fix the water storage fan blades 331, but also enhance the strength of the filter drum 310, and the filter screen 320 and the fan blades 330 are both installed on the periphery of the surface of the filter drum 310.
Wherein, the supporting ring plate 340 is fixedly sleeved on one side of the surface of the filtering roller 310, the supporting ring plate 340 and the fan blade part 330 form a backwashing water tank 360, the filtering screen cloth 320 is arranged in the backwashing water tank 360, in the embodiment, the backwashing water tank 360 is similar to a gourd ladle, water is continuously dug in the rotating process, when the backwashing water tank 360 leaves the cleaning water, the residual cleaning water in the backwashing water tank 360 flushes the slurry blocked on the inner wall of the filtering screen cloth 320 due to the centrifugal action and the gravity action, the self-cleaning of the filtering screen cloth 320 is realized by utilizing the backwashing action of the cleaning water while filtering the slurry, the blockage of the filtering screen cloth 320 is avoided, the cleaning equipment is saved, the efficiency of separating the slurry from coal is improved, the slurry removing water tank 350 is arranged below the filtering roller 310, in the embodiment, the side of the filtering roller 310 lower than the transmission shaft 220 sinks into the cleaning water of the slurry removing water tank 350, the clay in the filtering roller is expanded, the slurry removing water tank 350 is communicated with an external slurry sedimentation tank, the slurry removing water tank 350 sends muddy water into the slurry sedimentation tank for sedimentation, the slurry sedimentation tank performs sedimentation, and clear water after sedimentation is pumped into the slurry removing water tank 350 by a pump and circulates in a reciprocating mode.
Referring to fig. 1, 2 and 3, the feeding assembly 500 is installed at one side of the rack body 100, one end of the filter drum 310 adjacent to the driving motor 210 is provided with a first transition drum 311, the first transition drum 311 is welded to the filter drum 310, one side of the first transition drum 311 adjacent to the driving motor 210 is provided with a first baffle 313, the first baffle 313 is welded to the first transition drum 311, a discharge port of the feeding assembly 500 is arranged in the first transition drum 311, and a discharge port of the feeding assembly 500 is arranged in the filter drum 310, in this embodiment, the first transition drum 311 is not fixedly sleeved on the transmission shaft 220, coal to be cleaned is firstly fed into the first transition drum 311, thereby avoiding interference possibly caused by feeding, coal ore flows to the filter drum 310 along the slope of the first transition drum 311, enters the filter drum 310 through centrifugal force and jigging action of the first transition drum 311, the other end of the filter drum 310 is provided with a second transition drum 312, coal ore flows to the second transition roller 312 along the inclination of the filter roller 310, and enters the second transition roller 312 through the centrifugal force and the jigging action of the rotation of the filter roller 310, in the embodiment, a baffle is arranged on one side of the second transition roller 312, the interception height of the baffle is higher than the immersion height of the filter roller 310, so that muddy water is prevented from entering the screening assembly 400, secondary pollution is caused, the coal ore is collected at the baffle after the filter roller 310 is cleaned, and the coal ore is conveyed into the second transition roller 312 when the interception height is higher than the interception height.
Referring to fig. 1 and 3, the screening assembly 400 includes a screening drum 410, a screening baffle 440 is disposed on one side of the screening drum 410, the screening baffle 440 is fixedly sleeved on one side of the transmission shaft 220, in this embodiment, a collar and a connecting rod are disposed on one side of the surface of the transmission shaft 220, the collar is fixed on one side of the surface of the transmission shaft 220 through a pin, the connecting rod is respectively and fixedly connected to one side of the inner surfaces of the collar and the screening baffle 440, one side of the screening baffle 440 is fixed on one side of the second transition drum 312, the screening baffle 440 is welded to the second transition drum 312, in this embodiment, the interception height of the screening baffle 440 is slightly higher than the inner wall of the second transition drum 312, so as to reduce the residual water drops in the coal ore from flowing into the discharging through groove 420 through the inner wall of the second transition drum 312, a screening pull rod 430 is disposed on the peripheral side of the surface of the screening, the screen pulling rod 430 is welded with the screen baffle 440.
Wherein, ejection of compact logical groove 420 sets up between branch sieve cylinder 410 and branch sieve baffle 440, in this embodiment, divide sieve cylinder 410 can also set up to a plurality of screening apertures different, when being convenient for wash coal, the coal ore of screening different specifications size, divide sieve cylinder 410 to keep away from ejection of compact logical groove 420 one side and be provided with ejection of compact baffle 450, in this embodiment, ejection of compact baffle 450's effect makes coal ore pass through ejection of compact logical groove 420 and flows, transmission shaft 220 surface one side is provided with the lantern ring and connecting rod, the lantern ring is fixed in transmission shaft 220 surface one side through the pin, the connecting rod is fixed connection respectively in lantern ring and ejection of compact baffle 450 internal surface one side, ejection of compact baffle 450 is fixed cup joint in transmission shaft 220 one side, divide sieve cylinder 410 surface one side to.
Specifically, this coal belt cleaning device for coal engineering's theory of operation: when the coal slurry filter is used, cleaning water is firstly injected into the slurry removal water tank 350, the driving motor 210 is started, the driving motor 210 drives the filter roller 310 to rotate, coal needing to be subjected to slurry removal is sent into the first transition roller 311 through the feeding assembly 500, coal ore flows to the filter roller 310 along the inclination of the first transition roller 311, enters the filter roller 310 through the centrifugal force and the jigging action of the rotation of the first transition roller 311, the side, lower than the transmission shaft 220, of the filter roller 310 sinks into the cleaning water of the slurry removal water tank 350, the clay in the coal is expanded and crushed into muddy water through the soaking action and the continuous rolling action, the backwashing water tank 360 is similar to a gourd ladle, the continuous water digging is carried out in the rotating process, when the backwashing water tank 360 leaves the cleaning water, the residual cleaning water in the backwashing water tank 360 flushes the slurry blocked on the inner wall of the filter screen 320 under the centrifugal action and the gravity action of the cleaning, self-cleaning of the filter screen 320 is realized, equipment is saved, cost is saved, and coal cleaning efficiency is high.
It should be noted that the specific model specification of the driving motor 210 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.
The power supply of the driving motor 210 and its principle will be clear to those skilled in the art and will not be described in detail here.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 coal cleaning device for the coal engineering is characterized by comprising
A rack main body (100);
the driving assembly (200), the driving assembly (200) includes a driving motor (210) and a transmission shaft (220), the driving motor (210) is installed at one side of the rack main body (100), the transmission shaft (220) is rotatably connected to one side of the rack main body (100), and an output end of the driving motor (210) is in transmission connection with one end of the transmission shaft (220);
the slurry removing component (300) comprises a filter drum (310), a filter screen (320), fan blades (330), a support ring plate (340) and a slurry removing water tank (350), wherein the filter drum (310) is fixedly sleeved on one side of the transmission shaft (220), the filter screen (320) and the fan blades (330) are both arranged on the peripheral side of the surface of the filter drum (310), the support ring plate (340) is fixedly sleeved on one side of the surface of the filter drum (310), the support ring plate (340) and the fan blades (330) form a backwashing water tank (360), the filter screen (320) is arranged in the backwashing water tank (360), and the slurry removing water tank (350) is arranged below the filter drum (310);
the screening assembly (400), the screening assembly (400) comprises a screening drum (410), the screening drum (410) is fixedly sleeved on one side of the transmission shaft (220), and one side of the surface of the screening drum (410) is provided with a discharging through groove (420);
the feeding assembly (500), the feeding assembly (500) is installed on one side of the frame main body (100), and a discharge port of the feeding assembly (500) is arranged in the filtering roller (310);
the discharging assembly (600), the discharging assembly (600) is arranged below the discharging through groove (420).
2. The coal cleaning device for the coal engineering according to claim 1, wherein a first gear (211) is arranged at the output end of the driving motor (210), a second gear (221) is arranged at one end of the transmission shaft (220), and the first gear (211) is meshed with the second gear (221).
3. The coal cleaning device for the coal engineering according to claim 1, wherein the filter drum (310) is provided with a first transition drum (311) adjacent to one end of the driving motor (210), and the other end of the filter drum (310) is provided with a second transition drum (312).
4. The coal cleaning device for the coal engineering according to claim 3, characterized in that the first transition roller (311) is provided with a first baffle (313) adjacent to one side of the driving motor (210), and the discharge port of the feeding assembly (500) is arranged in the first transition roller (311).
5. The coal washing apparatus for coal engineering according to claim 1, wherein the fan blade member (330) comprises a water storage fan blade (331) and a support rod (332), the support rod (332) is installed on the periphery of the surface of the filter drum (310), and the water storage fan blade (331) is fixed on one side of the support rod (332).
6. The coal cleaning device for coal engineering according to claim 1, wherein the slurry removal water tank (350) is communicated with an external slurry settling tank.
7. The coal cleaning device for the coal engineering according to claim 3, wherein a screening baffle (440) is arranged on one side of the screening drum (410), the screening baffle (440) is fixedly sleeved on one side of the transmission shaft (220), and one side of the screening baffle (440) is fixed on one side of the second transition drum (312).
8. The coal cleaning device for the coal engineering of claim 7, wherein a screening pull rod (430) is arranged on the surface peripheral side of the screening drum (410), one end of the screening pull rod (430) is fixedly connected to one side of the screening baffle (440), and the discharging through groove (420) is arranged between the screening drum (410) and the screening baffle (440).
9. The coal cleaning device for the coal engineering according to claim 1, wherein a discharging baffle (450) is arranged on one side of the screening drum (410) far away from the discharging through groove (420), and the discharging baffle (450) is fixedly sleeved on one side of the transmission shaft (220).
10. The coal cleaning device for the coal engineering according to claim 1, wherein a traveling wheel (110) is arranged at the bottom of the frame main body (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020165684.1U CN211707558U (en) | 2020-02-13 | 2020-02-13 | Coal belt cleaning device for coal engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020165684.1U CN211707558U (en) | 2020-02-13 | 2020-02-13 | Coal belt cleaning device for coal engineering |
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| Publication Number | Publication Date |
|---|---|
| CN211707558U true CN211707558U (en) | 2020-10-20 |
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ID=72825342
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020165684.1U Expired - Fee Related CN211707558U (en) | 2020-02-13 | 2020-02-13 | Coal belt cleaning device for coal engineering |
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| CN (1) | CN211707558U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113083488A (en) * | 2021-04-07 | 2021-07-09 | 西安科技大学 | Automatic float-sink test equipment of coal |
| CN115870274A (en) * | 2022-12-28 | 2023-03-31 | 扬州嘉明环保科技有限公司 | High-efficient washing equipment is used in desulfurization |
-
2020
- 2020-02-13 CN CN202020165684.1U patent/CN211707558U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113083488A (en) * | 2021-04-07 | 2021-07-09 | 西安科技大学 | Automatic float-sink test equipment of coal |
| CN115870274A (en) * | 2022-12-28 | 2023-03-31 | 扬州嘉明环保科技有限公司 | High-efficient washing equipment is used in desulfurization |
| CN115870274B (en) * | 2022-12-28 | 2023-10-24 | 扬州嘉明环保科技有限公司 | High-efficient washing equipment is used in desulfurization |
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| CF01 | Termination of patent right due to non-payment of annual fee |