CN112209482B - High-efficient environmental protection sewage treatment device for coal mine - Google Patents
High-efficient environmental protection sewage treatment device for coal mine Download PDFInfo
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- CN112209482B CN112209482B CN202011086384.5A CN202011086384A CN112209482B CN 112209482 B CN112209482 B CN 112209482B CN 202011086384 A CN202011086384 A CN 202011086384A CN 112209482 B CN112209482 B CN 112209482B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses high-efficiency environment-friendly sewage treatment equipment for a coal mine, and relates to the technical field of coal mine sewage treatment equipment; the coal powder floating on the water surface is convenient to remove; the water inlet and the drain outlet are respectively formed in the top and the bottom of the main body, the motor is fixed to the top of the main body through screws, the output end of the motor is rotatably connected with a rotating main shaft through a coupler, and the bottom end of the rotating main shaft is mounted on the side wall of the bottom of the main body through a bearing seat and a mounting frame; two symmetrical linkage convex strips extend outwards from the outer walls of the two sides of the rotating main shaft. According to the invention, by arranging the annular air bag, the connecting frame and other structures, the lifting blade is always matched with the liquid level by utilizing the buoyancy of the annular air bag, when the lifting blade is driven by the linkage raised line to rotate, the water body at the liquid level can be guided to flow over the surface of the lifting blade, and when a flocculating agent is added through the agent adding port, the coal dust at the liquid level can be fully adsorbed, so that the problem that the coal dust at the liquid level is not easy to precipitate is effectively solved.
Description
Technical Field
The invention relates to the technical field of coal mine sewage treatment equipment, in particular to high-efficiency environment-friendly sewage treatment equipment for a coal mine.
Background
In the coal mining process, natural drainage of a coal system aquifer and artificial drainage for ensuring safety are carried out due to water guide fractures generated in the coal mining process, so that underground water resources of a coal mine are polluted and damaged together; in order to ensure the environmental sanitation and safety, the coal mine sewage treatment is a necessary work, most of the existing sewage treatment devices can meet certain sewage treatment requirements, but because coal has hydrophobicity, some tiny coal powder in the coal washing wastewater is particularly stable in water, and some superfine coal powder floats in the water and cannot naturally settle after standing for several months; thereby causing that the common sewage treatment device is difficult to remove the coal dust floating on the water surface and influencing the treatment effect and efficiency.
Through retrieval, chinese patent application No. CN201420330530.8 discloses a sewage treatment device, which comprises a sewage treatment device body, a water inlet device disposed on the sewage treatment device body, a first filtering core disposed in the sewage treatment device body, a first water receiving hopper disposed in the sewage treatment device body and connected with the first filtering core, a second filtering core disposed in the sewage treatment device body, a second water receiving hopper disposed in the sewage treatment device body and connected with the second filtering core, a water return tank disposed in the sewage treatment device body, and a water storage tank disposed in the sewage treatment device body, wherein a pressure booster is disposed at the top of the water inlet device, and a circulating water pipe is disposed on the sewage treatment device body. The sewage treatment device in the patent has the following defects: although certain sewage treatment requirements can be met, the coal powder floating on the water surface is difficult to remove, and the treatment effect and efficiency are influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides efficient and environment-friendly sewage treatment equipment for a coal mine.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-efficiency environment-friendly sewage treatment device for coal mines comprises a main body, wherein the top and the bottom of the main body are respectively provided with a water inlet and a drain outlet, the top of the main body is fixedly provided with a motor through screws, the output end of the motor is rotatably connected with a rotating main shaft through a coupler, and the bottom end of the rotating main shaft is installed on the side wall of the bottom of the main body through a bearing seat and an installation frame; the outer walls of two sides of the rotating main shaft extend outwards to form two symmetrical linkage convex strips, the rotating main shaft and the outer walls of the linkage convex strips are connected with a connecting frame in a sliding mode, and the outer wall of the connecting frame is integrally provided with an annular sliding rail; the top of the annular slide rail is fixedly provided with an annular air bag through a buckle, the circumferential outer wall of the annular air bag is integrally provided with lifting blades which are uniformly distributed, and the lifting blades all incline downwards along the clockwise direction; the top of the main body is also provided with a dosing port which is positioned right above one lifting leaf.
Preferably: the outer wall of the top of the lifting blade is integrally provided with blocking raised lines which are uniformly distributed.
Further: the supporting mechanism is of a circumferential distribution structure matched with the motion trail of the annular slide rail and comprises a fixed seat and a hollow slide column, the hollow slide column is connected to the inner wall of the fixed seat in a sliding mode, and the bottom of the fixed seat is fixed to the inner wall of the bottom of the main body through screws; the top of the hollow sliding column is connected to the inner wall of the annular sliding rail in a sliding mode through a sliding ball.
Further preferred is: the outer wall of the circumference of the hollow sliding column is rotatably connected with vertically distributed rotating seats, and the outer wall of each rotating seat is provided with gathering cylinders which are uniformly and circumferentially distributed through connecting rods; the outer wall of the bottom of the connecting frame is fixed with a sleeve through a screw, the inner wall of the bottom of the sleeve is connected with a telescopic rod in a sliding mode, and the telescopic rod are matched with the connecting rod in position.
As a preferable aspect of the present invention: the gathering cylinder is in a funnel-shaped structure.
Further preferred as the invention: the side wall of the top of the hollow sliding column is integrally provided with an upper limiting plate, and the side wall of the top of the fixed seat is integrally provided with a lower limiting plate; elastic rubber cylinders are arranged among the upper limiting plate, the hollow sliding column and the lower limiting plate.
As a still further scheme of the invention: and flexible belts which are uniformly distributed are fixed on the outer wall of the bottom of the connecting frame through screws.
On the basis of the scheme: the outer wall of the two sides of the main body is respectively welded with an input connecting pipe and an output connecting pipe with regulating valves, and the joints of the input connecting pipe and the output connecting pipe are matched.
On the basis of the foregoing scheme, it is preferable that: and a settling tank with a cleaning door is arranged at the bottom of the input connecting pipe.
The invention has the beneficial effects that:
1. according to the invention, by arranging the annular air bag, the connecting frame and other structures, the lifting blade can be always matched with the liquid level by utilizing the buoyancy of the annular air bag, and the lifting blade is inclined downwards along the clockwise direction, so that when the lifting blade is driven to rotate by the linkage raised line, the water body at the liquid level can be guided to flow over the surface of the lifting blade, and because the agent adding port is arranged right above the lifting blade, when a flocculating agent is added through the agent adding port, the flocculating agent falls onto the top surface of the lifting blade and is dissolved in the water body at the liquid level, and complete dissolution is realized under the condition that the water body at the liquid level continuously washes the top surface of the lifting blade, and in the dissolving process, the coal dust at the liquid level can be fully adsorbed, and the problem that the coal dust at the.
2. By arranging the blocking raised lines, the retention time of the flocculating agent on the surfaces of the lifting leaves can be prolonged, and the adsorption effect on the pulverized coal at the liquid level is enhanced; by arranging the structures such as the hollow slide column and the slide ball, the lifting function of the annular air bag is met, and meanwhile, the annular slide rail is limited and supported at multiple points; the stability of the annular air bag is guaranteed, and the reliability is improved.
3. Through the arrangement of the connecting rod, the gathering cylinder, the telescopic rod and the like, the sleeve and the telescopic rod can be driven to rotate by utilizing the rotation of the rotating main shaft, so that the sleeve or the telescopic rod can stir the connecting rod, the rotating seat is driven to rotate, the gathering cylinder can realize the stirring function, and the flocculating agent can be fully dissolved in the water body; through setting up the gathering section of thick bamboo that is the infundibulate structure, can play the effect of gathering together impurity, promote the flocculation effect.
4. By arranging the elastic rubber cylinder, the heights of the two rotating seats can be automatically adjusted under the coordination of the deformation of the elastic rubber cylinder based on the height of the annular slide rail, so that the rotating seats are vertically distributed more uniformly, and the stirring effect is ensured; can stir the water of central point position through setting up the flexible band, further promote the stirring effect, in addition, because the flexible band is flexible material, and gathering section of thick bamboo lateral wall is the cambered surface, consequently, avoided cutting up the flocculation that has condensed when having ensured the stirring effect, promoted the reliability.
5. By arranging the input connecting pipe and the output connecting pipe, the combined use of a plurality of devices can be realized according to the requirements, so that the sewage treatment effect is ensured; through setting up the setting tank, can be convenient for provide the sedimentation space for the in-process that a main part internal water flows to next main part internal water, promoted the practicality.
Drawings
FIG. 1 is a schematic structural diagram of an overall efficient and environment-friendly sewage treatment device for coal mines, which is provided by the invention;
FIG. 2 is a schematic structural diagram of the interior of the efficient and environment-friendly sewage treatment equipment for coal mines, which is provided by the invention;
FIG. 3 is a schematic structural view of the inside of the efficient and environment-friendly sewage treatment equipment for coal mines, which is provided by the invention;
FIG. 4 is a schematic structural view of a cross section of an annular slide rail of the efficient and environment-friendly sewage treatment equipment for coal mines, which is provided by the invention;
FIG. 5 is a schematic structural view of a hollow slide column of the efficient and environment-friendly sewage treatment equipment for coal mines, which is provided by the invention.
In the figure: 1 main part, 2 settling tanks, 3 clean doors, 4 input connecting pipes, 5 dosing ports, 6 motors, 7 water inlets, 8 regulating valves, 9 output connecting pipes, 10 drain ports, 11 fixing seats, 12 gathering cylinders, 13 annular air bags, 14 lifting blades, 15 mounting racks, 16 annular slide rails, 17 sliding balls, 18 rotating seats, 19 telescopic rods, 20 linkage convex strips, 21 rotating main shafts, 22 elastic rubber cylinders, 23 connecting rods, 24 sleeves, 25 flexible belts, 26 blocking convex strips, 27 connecting frames, 28 hollow sliding columns, 29 upper limiting plates and 30 lower limiting plates.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
A high-efficiency environment-friendly sewage treatment device for coal mines is shown in figures 1-5 and comprises a main body 1, wherein the top and the bottom of the main body 1 are respectively provided with a water inlet 7 and a drain outlet 10, the top of the main body 1 is fixed with a motor 6 through screws, the output end of the motor 6 is rotatably connected with a rotating main shaft 21 through a coupling, and the bottom end of the rotating main shaft 21 is arranged on the side wall of the bottom of the main body 1 through a bearing seat and an installation frame 15; two symmetrical linkage convex strips 20 extend outwards from the outer walls of two sides of the rotating main shaft 21, the outer walls of the rotating main shaft 21 and the linkage convex strips 20 are connected with a connecting frame 27 in a sliding mode, and the outer wall of the connecting frame 27 is integrally provided with an annular slide rail 16; the top of the annular slide rail 16 is fixedly provided with an annular air bag 13 through a buckle, the circumferential outer wall of the annular air bag 13 is integrally provided with lifting blades 14 which are uniformly distributed, and the lifting blades 14 are all inclined downwards along the clockwise direction; the top of the main body 1 is also provided with a dosing port 5, and the dosing port 5 is positioned right above one lifting leaf 14; through setting up annular gasbag 13, structures such as link 27, can utilize annular gasbag 13's buoyancy, make promotion leaf 14 all the time with the liquid level adaptation, because promote leaf 14 and all follow clockwise downward sloping, consequently when linkage sand grip 20 drives promotion leaf 14 and rotates, can lead to the water of liquid level department, make it flow through and promote leaf 14 surface, again because it sets up directly over promoting leaf 14 to add agent mouth 5, when adding the flocculating agent through adding agent mouth 5, make the flocculating agent fall to promotion leaf 14 top surface, and dissolve in liquid level department water earlier, realize dissolving completely under the condition that promotes leaf 14 top surface is constantly washed away to liquid level department water, and in the dissolving process, the buggy of absorption liquid level department that can be abundant, the effectual difficult problem of deposiing of liquid level department buggy of having solved.
In order to improve the flocculation effect; as shown in fig. 4, the outer wall of the top of the lifting blade 14 is integrally provided with barrier ribs 26 which are uniformly distributed; through setting up and stopping sand grip 26, can prolong the time that the flocculating agent is being retained on lifting blade 14 surface, strengthened the adsorption effect to liquid level department buggy.
To facilitate support of the annular bladder 13; as shown in fig. 2-5, a supporting mechanism for supporting the annular slide rail 16 is arranged at the bottom of the annular slide rail 16, the supporting mechanism is in a circumferential distribution structure adapted to the motion track of the annular slide rail 16, the supporting mechanism includes a fixed seat 11 and a hollow slide column 28, the hollow slide column 28 is slidably connected to the inner wall of the fixed seat 11, and the bottom of the fixed seat 11 is fixed to the inner wall of the bottom of the main body 1 through screws; the top of the hollow slide column 28 is connected with the inner wall of the annular slide rail 16 in a sliding way through a slide ball 17; by arranging the structures such as the hollow slide column 28 and the slide ball 17, the lifting function of the annular air bag 13 is met, and meanwhile, multi-point limiting and supporting are realized on the annular slide rail 16; the stability of the annular air bag 13 is guaranteed, and the reliability is improved.
In order to facilitate stirring the water body in the middle part while rotating, the flocculating agent is fully dissolved; as shown in fig. 2-5, the outer circumferential wall of the hollow sliding column 28 is rotatably connected with vertically distributed rotating seats 18, and the outer wall of the rotating seats 18 is provided with uniformly and circumferentially distributed gathering cylinders 12 through connecting rods 23; a sleeve 24 is fixed on the outer wall of the bottom of the connecting frame 27 through a screw, an expansion rod 19 is connected to the inner wall of the bottom of the sleeve 24 in a sliding manner, and the positions of the expansion rod 19 and the sleeve 24 are matched with the connecting rod 23; through setting up connecting rod 23, a gathering section of thick bamboo 12 and telescopic link 19 isotructures, can utilize and rotate main shaft 21 and rotate and drive sleeve 24 and telescopic link 19 and rotate, and then make sleeve 24 or telescopic link 19 stir connecting rod 23 to the drive rotates seat 18 and rotates, makes a gathering section of thick bamboo 12 realize the function of stirring, thereby does benefit to the flocculating agent and fully dissolves in the water.
In order to further improve the flocculation effect; as shown in fig. 3 and 5, the gathering cylinder 12 has a funnel-shaped structure; through setting up a gathering section of thick bamboo 12 that is the infundibulate structure, can play the effect of gathering together impurity, promote the flocculation effect.
In order to improve the stirring effect; as shown in fig. 3 and 5, the top side wall of the hollow sliding column 28 is integrally provided with an upper limiting plate 29, and the top side wall of the fixed seat 11 is integrally provided with a lower limiting plate 30; elastic rubber cylinders 22 are arranged among the upper limiting plate 29, the hollow sliding columns 28 and the lower limiting plate 30; through setting up elastic rubber tube 22, can realize two automatically regulated that rotate the 18 height of seat under the cooperation of elastic rubber tube 22 deformation based on annular slide rail 16's height to make more even of rotating the vertical distribution of seat 18, ensured stirring effect.
To further enhance the agitation effect; as shown in fig. 4, the bottom outer wall of the connecting frame 27 is fixed with evenly distributed flexible belts 25 by screws; can stir the water of central point position through setting up flexible band 25, further promote the stirring effect, in addition, because flexible band 25 is flexible material, and the gathering section of thick bamboo 12 lateral wall is the cambered surface, consequently, avoided cutting up the flocculation that has condensed when having ensured stirring the effect, promoted the reliability.
To facilitate the combined use of multiple devices; as shown in fig. 1, an input connecting pipe 4 and an output connecting pipe 9 with an adjusting valve 8 are welded on the outer walls of two sides of the main body 1 respectively, and the interfaces of the input connecting pipe 4 and the output connecting pipe 9 are matched; through setting up input connection pipe 4 and output connection pipe 9, can realize the combined use of a plurality of equipment as required to ensure sewage treatment effect.
In order to improve the practicability; as shown in fig. 1, a settling tank 2 with a cleaning door 3 is arranged at the bottom of the input connecting pipe 4; through setting up the setting tank 2, can be convenient for provide the sedimentation space for the in-process that the water flows to the water in next main part 1 in the main part 1, promoted the practicality.
When the device is used, a user can connect a plurality of devices in series and combine the devices for use through the input connecting pipe 4 and the output connecting pipe 9 according to requirements; a user supplies sewage into the main body 1 from the water inlet 7, the annular air bag 13 automatically realizes height adjustment based on the liquid level height, the connecting frame 27 slides on the outer wall of the rotating main shaft 21 in the period, the four sliding balls 17 rise synchronously with the connecting frame 27 under the limitation of the annular sliding rail 16, and due to the four sliding balls 17, multipoint limitation and support can be realized on the annular sliding rail 16, so that the stability of the annular air bag 13 is guaranteed; and the telescopic rod 19 slides on the inner wall of the sleeve 24 under the action of the self gravity to keep the original height, and meets the linkage requirement of the connecting rod 23, controls the motor 6 to work, the motor 6 drives the connecting frame 27 to rotate through the rotating main shaft 21 and the linkage convex strip 20, thereby driving the annular slide rail 16 and the annular air bag 13 to rotate, the lifting blade 14 rotates along with the annular air bag 13, and guides the water body at the liquid level to flow over the surface of the lifting blade 14, and because the agent adding port 5 is arranged right above the lifting blade 14, when the flocculating agent is added through the agent adding port 5, the flocculating agent falls to the top surface of the lifting leaves 14 and is firstly dissolved in the water body at the liquid level, complete dissolution is achieved under the condition that the water body at the liquid level continuously washes the top surfaces of the lifting blades 14, and in the dissolving process, the coal dust at the liquid level can be fully adsorbed, and the problem that the coal dust at the liquid level is not easy to precipitate is effectively solved; when the connecting frame 27 rotates, the flexible belt 25, the sleeve 24 and the telescopic rod 19 are synchronously driven to rotate, so that the sleeve 24 or the telescopic rod 19 drives the connecting rod 23 to drive the rotating seat 18 to rotate, the aggregation cylinder 12 realizes a stirring function, a flocculating agent is favorably and fully dissolved in a water body, the aggregation cylinder 12 in a funnel-shaped structure can play a role of gathering impurities, and the flocculation effect is improved; in addition, when hollow traveller 28 come up, owing to set up elastic rubber tube 22, can realize two automatically regulated that rotate the seat 18 height under the cooperation of elastic rubber tube 22 deformation resilience force based on hollow traveller's 28 height to make more even of rotating the vertical distribution of seat 18, ensured stirring effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The efficient environment-friendly sewage treatment equipment for the coal mine comprises a main body (1) and is characterized in that a water inlet (7) and a drain outlet (10) are respectively formed in the top and the bottom of the main body (1), a motor (6) is fixed to the top of the main body (1) through screws, the output end of the motor (6) is rotatably connected with a rotating main shaft (21) through a coupler, and the bottom end of the rotating main shaft (21) is mounted on the side wall of the bottom of the main body (1) through a bearing seat and a mounting rack (15); two symmetrical linkage convex strips (20) extend outwards from the outer walls of two sides of the rotating main shaft (21), the outer walls of the rotating main shaft (21) and the linkage convex strips (20) are connected with a connecting frame (27) in a sliding mode, and annular slide rails (16) are integrally arranged on the outer walls of the connecting frame (27); an annular air bag (13) is fixed at the top of the annular sliding rail (16) through a buckle, lifting blades (14) which are uniformly distributed are integrally arranged on the circumferential outer wall of the annular air bag (13), and the lifting blades (14) are all inclined downwards along the clockwise direction; the top of the main body (1) is further provided with a dosing port (5), the dosing port (5) is located right above one lifting blade (14), blocking convex strips (26) which are uniformly distributed are integrally arranged on the outer wall of the top of the lifting blade (14), a supporting mechanism for supporting the annular sliding rail (16) is arranged at the bottom of the annular sliding rail (16), the supporting mechanism is of a circumferential distribution structure matched with the movement track of the annular sliding rail (16), the supporting mechanism comprises a fixed seat (11) and a hollow sliding column (28), the hollow sliding column (28) is slidably connected to the inner wall of the fixed seat (11), and the bottom of the fixed seat (11) is fixed to the inner wall of the bottom of the main body (1) through screws; the top of the hollow sliding column (28) is connected to the inner wall of the annular sliding rail (16) in a sliding mode through a sliding ball (17), the circumferential outer wall of the hollow sliding column (28) is connected with vertically distributed rotating seats (18) in a rotating mode, and gathering barrels (12) which are uniformly distributed in the circumferential mode are installed on the outer wall of each rotating seat (18) through connecting rods (23); the outer wall of the bottom of the connecting frame (27) is fixed with a sleeve (24) through a screw, the inner wall of the bottom of the sleeve (24) is connected with a telescopic rod (19) in a sliding mode, and the positions of the telescopic rod (19) and the sleeve (24) are matched with the connecting rod (23).
2. The efficient and environment-friendly coal mine sewage treatment equipment as claimed in claim 1, wherein the gathering cylinder (12) is of a funnel-shaped structure.
3. The efficient and environment-friendly sewage treatment equipment for the coal mine as claimed in claim 2, wherein the side wall of the top of the hollow sliding column (28) is integrally provided with an upper limiting plate (29), and the side wall of the top of the fixed seat (11) is integrally provided with a lower limiting plate (30); elastic rubber cylinders (22) are arranged among the upper limiting plate (29), the hollow sliding columns (28) and the lower limiting plate (30).
4. The efficient and environment-friendly sewage treatment equipment for the coal mine according to any one of claims 1 to 3, wherein the outer wall of the bottom of the connecting frame (27) is fixed with uniformly distributed flexible belts (25) through screws.
5. The efficient and environment-friendly sewage treatment equipment for the coal mine according to any one of claims 1 to 3, wherein an input connecting pipe (4) and an output connecting pipe (9) with an adjusting valve (8) are welded on the outer walls of two sides of the main body (1) respectively, and the interfaces of the input connecting pipe (4) and the output connecting pipe (9) are matched.
6. The efficient and environment-friendly sewage treatment equipment for coal mines as set forth in claim 5, wherein the bottom of the input connecting pipe (4) is provided with a settling tank (2) with a cleaning door (3).
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| CN202011086384.5A CN112209482B (en) | 2020-10-12 | 2020-10-12 | High-efficient environmental protection sewage treatment device for coal mine |
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| CN202011086384.5A CN112209482B (en) | 2020-10-12 | 2020-10-12 | High-efficient environmental protection sewage treatment device for coal mine |
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| JP4459860B2 (en) * | 2005-05-23 | 2010-04-28 | 株式会社日立プラントテクノロジー | Underwater stirrer |
| JP2011083667A (en) * | 2009-10-13 | 2011-04-28 | Shogo Kuriya | Environmental cleaning apparatus |
| CN108191089A (en) * | 2018-01-22 | 2018-06-22 | 深圳市晟祥知识产权有限公司 | A kind of municipal wastewater processing equipment |
| CN210915625U (en) * | 2019-09-03 | 2020-07-03 | 贵州沐易科建科技发展有限公司 | Mine wastewater treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4459860B2 (en) * | 2005-05-23 | 2010-04-28 | 株式会社日立プラントテクノロジー | Underwater stirrer |
| CN201161932Y (en) * | 2007-12-29 | 2008-12-10 | 柳天暘 | Floating type water treatment agent addition quality evening apparatus |
| JP2011083667A (en) * | 2009-10-13 | 2011-04-28 | Shogo Kuriya | Environmental cleaning apparatus |
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