CN113735301A

CN113735301A - Coal mine is processing apparatus for waste water

Info

Publication number: CN113735301A
Application number: CN202010467002.7A
Authority: CN
Inventors: 苏云
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-12-03

Abstract

The invention discloses a coal mine wastewater treatment device which comprises a rough filtering shell, a support, a first water inlet pipe, an upper silt outlet pipe, a fixed block, a telescopic rod, a mounting plate, a vibrating motor, a lower filtering shell, a lower silt outlet pipe, an upper filtering shell, a first water outlet pipe, a first self-sucking pump, a second water inlet pipe, a sedimentation tank, a scum trough, a first sludge hopper, a second sludge hopper, an arc-shaped block, a flow guide block, a mud baffle block, a second self-sucking pump, a third water inlet pipe, a pipeline mixer, a first three-way pipe, a first branch pipe, a transverse pipe, a mixing disc, a liquid feeding pipe, a liquid mixing shell, a second three-way pipe, a second branch pipe, a spiral pipe, a confluence shell and a second water outlet pipe. The invention improves the sedimentation tank and the pipeline mixer, improves the effect and efficiency of wastewater treatment, and simultaneously adds the rough filtering shell for filtering wastewater, thereby further improving the efficiency of wastewater treatment.

Description

Coal mine is processing apparatus for waste water

Technical Field

The invention relates to coal mine wastewater treatment equipment, in particular to a coal mine wastewater treatment device, and belongs to the technical field of coal mine wastewater treatment application.

Background

In the coal mining process, a certain amount of mine water is generated, main pollutants of the mine water are SS, COD, petroleum and partial metal and nonmetal elements, some mine water also contains radioactive pollutants, and the mine water is discharged into the natural environment to cause different degrees of damage to resources such as agriculture, land, forests and the like.

In order to avoid the pollution to the environment caused by the direct discharge of coal mine wastewater, the wastewater needs to be treated before being discharged, and generally, in the process of treating the coal mine wastewater, the wastewater is sequentially led into a sedimentation tank, a pipeline mixer, a coagulation reaction tank, an inclined tube sedimentation tank, a concentration tank, a drying tank and other equipment, and then is discharged after being treated.

But traditional sedimentation tank only is provided with a sludge bucket, and the sedimentation effect is poor, and some mud can deposit in other positions of bottom of the pool, is difficult to all collect to the sludge bucket, and traditional pipe-line mixer majority only carries out once mixing, and the effect of mixing is relatively poor, can influence going on of follow-up coagulation reaction occasionally, and coal mine waste water can have the impurity of handing over big granule sometimes simultaneously, and this also can influence the subsequent processing of waste water. Therefore, a treatment device for coal mine wastewater is provided for solving the problems.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a coal mine wastewater treatment apparatus.

The invention realizes the aim through the following technical scheme, and discloses a coal mine wastewater treatment device which comprises a rough filtration shell, a sedimentation tank and a pipeline mixer which are sequentially connected with one another, wherein the pipeline mixer is connected with a coagulation reaction tank, an inclined tube sedimentation tank, a concentration tank and a drying tank, the top end of the rough filtration shell is communicated with a first water inlet pipe for water inlet, an inner cavity of the rough filtration shell is internally and sequentially provided with an upper filtration shell and a lower filtration shell from top to bottom, the upper filtration shell and the lower filtration shell are of horn-shaped structures, the central axes of the upper filtration shell, the lower filtration shell and the first water inlet pipe are all on the same vertical line, the geometric dimension of the lower filtration shell is larger than that of the upper filtration shell, the bottom ends of the upper filtration shell and the lower filtration shell are respectively and fixedly connected with an upper silt outlet pipe and a lower silt outlet pipe for sewage discharge, and two ends of the upper filtration shell and the lower filtration shell are both provided with vibration fixing mechanisms, a plurality of filtering holes are uniformly distributed on the surfaces of the upper filtering shell and the lower filtering shell, and the bottom end of the rough filtering shell is fixedly connected with a bracket;

the bottom end of the rough filtering shell is fixedly connected with a first water outlet pipe, the tail end of the first water outlet pipe is fixedly connected to a first self-sucking pump, the first self-sucking pump is connected to one end of a sedimentation tank through a second water inlet pipe, the other end of the sedimentation tank is connected with a second self-sucking pump, a first sludge hopper, an arc-shaped block, a second sludge hopper and a flow guide block are sequentially arranged on the sedimentation tank in one side direction from the second water inlet pipe to the second self-sucking pump, and a scum groove is fixedly connected to the side wall of the top of an inner cavity of the sedimentation tank;

be connected with the one end of third inlet tube on the second self priming pump, the other end of third inlet tube is connected to pipeline mixer's top surface, from top to bottom sets gradually mixing mechanism and secondary mixing mechanism in the pipeline mixer inner chamber.

Preferably, vibration fixed establishment includes fixed block, telescopic link, mounting panel and vibrating motor, on filter the shell and filter down on the shell respectively the rigid coupling have four fixed blocks, and four fixed blocks two for a set of rigid coupling filter the shell or filter the homonymy of shell down at last, a side end of the equal rigid coupling telescopic link in surface of every fixed block, and the other end rigid coupling of telescopic link to the coarse filtration casing inside wall on, the telescopic link is cup jointed each other by the different body of two pipe diameters and is constituted, and has cup jointed the spring on the telescopic link, the rigid coupling is distributed on the surface of two bodies at the both ends of spring.

Preferably, be located and filter the shell under and filter between two fixed blocks of one side wherein, the rigid coupling has the mounting panel, the rigid coupling has external power supply and the vibrating motor of switch on the mounting panel.

Preferably, the arc-shaped block is formed by arching the inner side wall of the sedimentation tank between the first sludge hopper and the second sludge hopper, and the upper surface of the arc-shaped block is of an arc-shaped structure.

Preferably, the water conservancy diversion piece rigid coupling is in the sedimentation tank inner wall that is close to second self priming pump one side, and the surface of water conservancy diversion piece is convex structure, the rigid coupling has the fender mud piece of a plurality of growth bar structure on the arc surface of water conservancy diversion piece, it sets up towards one side direction slope of second sludge bucket to keep off mud piece top surface.

Preferably, the bottom of fender mud piece extends to second sludge bucket top one side, and keeps off the mud piece and be the triangular prism structure, the geometric dimension of second sludge bucket is less than first sludge bucket, the both ends of arc piece extend to first sludge bucket and second sludge bucket top one side respectively.

Preferably, the primary mixing mechanism comprises a first three-way pipe, a first branch pipe, a mixing disc, a liquid feeding pipe and a liquid mixing shell, wherein one pipe orifice of the first three-way pipe is connected to the end part of the third water inlet pipe, and the other two symmetrically arranged pipe orifices of the first three-way pipe are fixedly connected with the first branch pipe.

Preferably, two first branch pipes are arranged symmetrically, and the end parts of the two first branch pipes penetrate through the side wall of the liquid mixing shell and extend to the inner cavity of the liquid mixing shell.

Preferably, the end parts of the two first branch pipes all extend to the top of the mixed flow disc, the mixed flow disc is positioned in the inner cavity of the mixed liquid shell, the tail ends of the two first branch pipes are fixedly connected with transverse pipes, one parallel line of each transverse pipe is tangent to the outer edge of the mixed flow disc, and openings of the two transverse pipes are arranged in a mutually reverse mode.

Preferably, one end of the liquid feeding pipe penetrates through the side wall of the pipeline mixer and extends to the top of the mixing disc, the mixing disc is formed by downwards sinking a stainless steel sheet with a circular structure by taking the circle center as a base point, and the sunk surface is of a spherical structure.

Preferably, the secondary mixing mechanism comprises a second three-way pipe, a spiral pipe and a confluence shell, wherein one pipe orifice of the second three-way pipe is connected to the bottom end of the liquid mixing shell, and the other two symmetrically arranged pipe orifices of the second three-way pipe are fixedly connected with the second branch pipes respectively.

Preferably, the two second branch pipes are symmetrically arranged, the tail ends of the two second branch pipes are fixedly connected with a spiral pipe, the tail ends of the two spiral pipes are fixedly connected to an inner cavity of the confluence shell, and the bottom end of the confluence shell is fixedly connected with a second water outlet pipe.

The invention has the beneficial effects that:

1. the invention has reasonable structural design, filters the wastewater through the added rough filtering shell before the wastewater is treated, filters impurities with larger particles in the wastewater, and provides convenience for the subsequent treatment of the wastewater.

2. The sludge settling tank is compact in structural design, the sludge hopper is additionally arranged in the settling tank, the arc-shaped block with the circular arc-shaped structure is arranged between the two sludge hoppers, sludge can respectively slide into the two sludge hoppers from two ends of the arc-shaped block, the sludge is prevented from being deposited at the bottom of the settling tank, the sludge is convenient to discharge, meanwhile, the flow guide block with the circular arc-shaped surface is additionally arranged on the inner side wall of the tail end of the settling tank, the mud guard plate is arranged on the flow guide block, the sludge is retained through the mud guard plate, and the settling effect of the settling tank is further improved.

3. According to the invention, the primary mixing mechanism and the secondary mixing mechanism are arranged in the pipeline mixer, and the added reactant and the wastewater are secondarily mixed, so that the mixing efficiency and effect are greatly improved, the convenience is provided for the subsequent coagulation reaction, and the coagulation reaction efficiency is also ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the coarse filter housing according to the present invention;

FIG. 3 is a schematic view of the internal structure of the sedimentation tank according to the present invention;

FIG. 4 is a schematic view of the internal structure of the line mixer of the present invention;

FIG. 5 is a schematic view of the position relationship between the mixing plate and the horizontal tube according to the present invention;

fig. 6 is a schematic perspective view of the upper filter shell according to the present invention.

In the figure: 1. rough filtering shell body, 2, support, 3, first water inlet pipe, 4, upper silt outlet pipe, 5, fixed block, 6, telescopic rod, 7, mounting plate, 8, vibrating motor, 9, lower filtering shell, 10, lower silt outlet pipe, 11, upper filtering shell, 12, first water outlet pipe, 13, first self-priming pump, 14, second water inlet pipe, 15, sedimentation tank, 16, scum groove, 17, first sludge hopper, 18, second sludge hopper, 19, arc block, 20, flow guide block, 21, mud blocking block, 22, second self-priming pump, 23, third water inlet pipe, 24, pipeline mixer, 25, first three-way pipe, 26, first branch pipe, 2601, horizontal pipe, 27, mixed flow disc, 28, liquid adding pipe, 29, mixed liquid shell body, 30, second three-way pipe, 31, second branch pipe, 32, spiral pipe, 33, confluence shell body, 34, second water outlet pipe.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in 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 embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Please refer to fig. 1-6, a coal mine wastewater treatment device, which comprises a coarse filtration shell 1, a sedimentation tank 15 and a pipeline mixer 24 connected in turn, wherein the pipeline mixer 24 is connected with a coagulation reaction tank, an inclined tube sedimentation tank, a concentration tank and a drying tank, the top end of the coarse filtration shell 1 is communicated with a first water inlet pipe 3 for water inlet, an inner cavity of the coarse filtration shell 1 is provided with an upper filtration shell 11 and a lower filtration shell 9 in turn from top to bottom, the upper filtration shell 11 and the lower filtration shell 9 are horn-shaped structures, the central axes of the upper filtration shell 11, the lower filtration shell 9 and the first water inlet pipe 3 are all on the same vertical line, the geometric dimension of the lower filtration shell 9 is larger than that of the upper filtration shell 11, the bottom ends of the upper filtration shell 11 and the lower filtration shell 9 are respectively and fixedly connected with an upper silt outlet pipe 4 and a lower silt outlet pipe 10 for sewage discharge, and both ends of the upper filtration shell 11 and the lower filtration shell 9 are provided with vibration fixing mechanisms, a plurality of filtering holes are uniformly distributed on the surfaces of the upper filtering shell 11 and the lower filtering shell 9, the filtering holes are not drawn, and the bottom end of the rough filtering shell is fixedly connected with the bracket 2;

a first water outlet pipe 12 is fixedly connected to the bottom end of the coarse filtration shell 1, the tail end of the first water outlet pipe 12 is fixedly connected to a first self-sucking pump 13, the first self-sucking pump 13 is connected to one end of a sedimentation tank 15 through a second water inlet pipe 14, the other end of the sedimentation tank 15 is connected with a second self-sucking pump 22, a first sludge hopper 17, an arc-shaped block 19, a second sludge hopper 18 and a flow guide block 20 are sequentially arranged on the sedimentation tank 15 in one side direction from the second water inlet pipe 14 to the second self-sucking pump 22, and a scum groove 16 is fixedly connected to the side wall of the top of an inner cavity of the sedimentation tank 15;

be connected with the one end of third inlet tube 23 on the second self priming pump 22, the other end of third inlet tube 23 is connected to pipeline mixer 24's top surface, 24 inner chambers of pipeline mixer from top to bottom set gradually a mixing mechanism and secondary mixing mechanism.

Vibration fixed establishment includes fixed block 5, telescopic link 6, mounting panel 7 and vibrating motor 8, on filter shell 11 and filter shell 9 down on the rigid coupling respectively have four fixed blocks 5, and four fixed blocks 5 two be a set of rigid coupling at the same side of filtering shell 11 or filtering shell 9 down, a side end of the equal rigid coupling telescopic link 6 in surface of every fixed block 5, and the other end rigid coupling of telescopic link 6 to the 1 inside wall of colating shell, telescopic link 6 cup joints each other by the different body of two pipe diameters and constitutes, and has cup jointed the spring on telescopic link 6, the both ends distribution rigid coupling of spring is on the surface of two bodies.

The utility model discloses a vibrating motor 8 that is located two fixed blocks 5 of filtering shell 11 and lower filter shell 9 one side in the last rigid coupling of filter has mounting panel 7, the rigid coupling has external power supply and switch on the mounting panel 7.

The arc-shaped block 19 is formed by arching the inner side wall of the sedimentation tank 15 between the first sludge hopper 17 and the second sludge hopper 18, and the upper surface of the arc-shaped block 19 is of an arc-shaped structure.

The water conservancy diversion piece 20 rigid coupling is in being close to the 15 inside walls of sedimentation tank on one side of second self priming pump 22, and the surface of water conservancy diversion piece 20 is convex structure, the rigid coupling has the fender piece 21 of a plurality of growth bar structure on the arc surface of water conservancy diversion piece 20, fender piece 21 top surface sets up towards one side direction slope of second sludge bucket 18.

The bottom of fender mud piece 21 extends to second sludge bucket 18 top one side, and fender mud piece 21 is the triangular prism structure, second sludge bucket 18's geometric dimension is less than first sludge bucket 17, the both ends of arc piece 19 extend to first sludge bucket 17 and second sludge bucket 18 top one side respectively.

The primary mixing mechanism comprises a first three-way pipe 25, a first branch pipe 26, a mixed flow disc 27, a liquid feeding pipe 28 and a mixed liquid shell 29, wherein one pipe orifice of the first three-way pipe 25 is connected to the end part of the third water inlet pipe 23, and the other two symmetrically arranged pipe orifices of the first three-way pipe 25 are fixedly connected with the first branch pipe 26.

The two first branch pipes 26 are symmetrically arranged, and the end parts of the two first branch pipes 26 extend to the inner cavity of the liquid mixing shell 29 through the side wall of the liquid mixing shell 29.

The ends of the two first branch pipes 26 extend to the top of the mixing tray 27, the mixing tray 27 is located in the inner cavity of the liquid mixing shell 29, the ends of the two first branch pipes 26 are fixedly connected with the horizontal pipes 2601, one parallel line of the horizontal pipe 2601 is tangent to the outer edge of the mixing tray 27, and the openings of the two horizontal pipes 2601 are arranged in opposite directions.

One end of the liquid feeding pipe 28 penetrates through the side wall of the pipeline mixer 24 and extends to the top of the mixing disc 27, the mixing disc 27 is formed by downwards sinking a stainless steel sheet with a circular structure by taking the circle center as a base point, and the sunk surface is of a spherical structure.

The secondary mixing mechanism comprises a second three-way pipe 30, a spiral pipe 32 and a confluence shell 33, wherein one pipe orifice of the second three-way pipe 30 is connected to the bottom end of the liquid mixing shell 29, and the other two symmetrically arranged pipe orifices of the second three-way pipe 30 are fixedly connected with second branch pipes 31 respectively.

The two second branch pipes 31 are symmetrically arranged, the tail ends of the two second branch pipes 31 are fixedly connected with a spiral pipe 32, the tail ends of the two spiral pipes 32 are fixedly connected to an inner cavity of the confluence shell 33, and the bottom end of the confluence shell 33 is fixedly connected with a second water outlet pipe 34.

When the coal mine wastewater filter is used, coal mine wastewater enters the coarse filter shell 1 through the first water inlet pipe 3, the wastewater sequentially passes through the upper filter shell 11 and the lower filter shell 9 after entering the coarse filter shell 1, the upper filter shell 11 and the lower filter shell 9 are both in horn-shaped structures, the filtering effect is high, impurities with large particles in the wastewater can be filtered out through the filter holes in the surfaces of the upper filter shell 11 and the lower filter shell 9, the filtered impurity particles are discharged out of the coarse filter shell 1 along the upper silt outlet pipe 4 and the lower silt outlet pipe 10, primary filtering of the wastewater is completed, the vibration motor 8 is turned on in the primary filtering process, and the upper filter shell 11 and the lower filter shell 9 are driven to vibrate electrically by vibration, so that the filtering efficiency is improved.

The primarily filtered wastewater is pumped into one end of the sedimentation tank 15 by the first self-priming pump 13, the wastewater flows from one end of the sedimentation tank 15 to the other end, the wastewater sequentially passes through the first sludge hopper 17, the arc-shaped block 19, the second sludge hopper 18 and the flow guide block 20 in the flowing process in the inner cavity of the sedimentation tank 15, when the wastewater flows through the first sludge hopper 17, a part of sludge impurities stay in the first sludge hopper 17 and are discharged from the first sludge hopper 17, and when wastewater flows through the second sludge hopper 18, the other part of sludge impurities can stay in the second sludge hopper 18 and be discharged from the second sludge hopper 18, the efficiency is higher, meanwhile, the guide block 20 positioned at the end part of the sedimentation tank 15 is provided with a mud baffle block 21, when the wastewater flows through the guide block 20 with the arc-shaped surface, the sludge at the bottom of the wastewater is blocked by the mud flap and enters the second sludge hopper 18, further improving the sedimentation effect of the sedimentation tank 15.

The wastewater after the sedimentation treatment in the sedimentation tank 15 is pumped into a third water inlet pipe 23 by a second self-priming pump 22, and after the wastewater enters the third water inlet pipe 23, the two first branch pipes 26 guided to the first tee pipe 25 by the third water inlet pipe 23 flow into the horizontal pipe 2601 from the two first branch pipes 26, and since the horizontal pipe 2601 is tangent to the mixed flow disc 27, the water flowing into the mixing disk 27 forms a vortex, and at this time, the relevant reactant is added into the mixing disk 27 through the liquid feeding pipe 28, and the primary mixing is performed by the vortex formed in the mixing disk 27, the liquid after the primary mixing enters the second three-way pipe 30 from the bottom of the inner cavity of the mixing shell 29, the liquid entering the second three-way pipe 30 is guided by two second branch pipes 31 to the spiral pipe 32, the mixed liquid flows into a coagulation reaction tank, an inclined tube sedimentation tank and subsequent treatment equipment through a second water outlet pipe 34.

It is well within the skill of those in the art to implement and protect the present invention without undue experimentation and without undue experimentation that the present invention is directed to software and process improvements.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a colliery is processing apparatus for waste water, includes interconnect's colating shell (1), sedimentation tank (15) and pipeline mixer (24) in proper order, pipeline mixer (24) are connected and are thoughtlessly congealed reaction tank, pipe chute sedimentation tank and concentrated pond and mummification pond, its characterized in that: the top end of the coarse filtration shell body (1) is communicated with a first water inlet pipe (3) used for water inlet, an upper filtration shell (11) and a lower filtration shell (9) are sequentially arranged in the inner cavity of the coarse filtration shell body (1) from top to bottom, the upper filtration shell (11) and the lower filtration shell (9) are of a horn-shaped structure, central axes of the upper filtration shell (11), the lower filtration shell (9) and the first water inlet pipe (3) are on the same vertical line, the geometric dimension of the lower filtration shell (9) is larger than that of the upper filtration shell (11), the bottom ends of the upper filtration shell (11) and the lower filtration shell (9) are respectively and fixedly connected with an upper silt outlet pipe (4) and a lower silt outlet pipe (10) used for sewage discharge, both ends of the upper filtration shell (11) and the lower filtration shell (9) are provided with vibration fixing mechanisms, and a plurality of filtration holes are uniformly distributed on the surfaces of the upper filtration shell (11) and the lower filtration shell (9), the bottom end of the coarse filter shell is fixedly connected with a bracket (2);

the bottom end of the coarse filtration shell (1) is fixedly connected with a first water outlet pipe (12), the tail end of the first water outlet pipe (12) is fixedly connected to a first self-sucking pump (13), the first self-sucking pump (13) is connected to one end of a sedimentation tank (15) through a second water inlet pipe (14), the other end of the sedimentation tank (15) is connected with a second self-sucking pump (22), a first sludge hopper (17), an arc-shaped block (19), a second sludge hopper (18) and a flow guide block (20) are sequentially arranged on the sedimentation tank (15) in one side direction from the second water inlet pipe (14) to the second self-sucking pump (22), and a scum groove (16) is fixedly connected to the side wall of the top of an inner cavity of the sedimentation tank (15);

be connected with the one end of third inlet tube (23) on second self priming pump (22), the other end of third inlet tube (23) is connected to the top surface of line mixer (24), line mixer (24) inner chamber is last to being provided with mixing mechanism and secondary mixing mechanism from top to bottom in proper order.

2. The coal mine wastewater treatment device according to claim 1, characterized in that: vibration fixed establishment includes fixed block (5), telescopic link (6), mounting panel (7) and vibrating motor (8), on filter shell (11) and filter shell (9) down on the rigid coupling respectively have four fixed blocks (5), and four fixed block (5) two be a set of rigid coupling at last filter shell (11) or filter the homonymy of shell (9) down, a side end portion of the equal rigid coupling telescopic link (6) in surface of every fixed block (5), and the other end rigid coupling of telescopic link (6) to on coarse filter casing (1) inside wall, telescopic link (6) cup joint each other by the different body of two pipe diameters and constitute, and cup jointed the spring on telescopic link (6), the rigid coupling that distributes at the both ends of spring is on the surface of two bodies.

3. The coal mine wastewater treatment device according to claim 1, characterized in that: the utility model discloses a vibrating motor (8) that is located two fixed blocks (5) of upper filter shell (11) and lower filter shell (9) one side wherein between the rigid coupling have mounting panel (7), the rigid coupling has external power supply and switch on mounting panel (7).

4. The coal mine wastewater treatment device according to claim 1, characterized in that: the arc-shaped block (19) is formed by arching the inner side wall of the sedimentation tank (15) between the first sludge hopper (17) and the second sludge hopper (18), and the upper surface of the arc-shaped block (19) is of an arc-shaped structure.

5. The coal mine wastewater treatment device according to claim 1, characterized in that: flow guide block (20) rigid coupling is in sedimentation tank (15) inside wall near second self priming pump (22) one side, and the surface of flow guide block (20) is convex structure, the rigid coupling has fender mud piece (21) of a plurality of growth bar structure on the arc surface of flow guide block (20), fender mud piece (21) top surface sets up towards one side direction slope of second sludge bucket (18).

6. The coal mine wastewater treatment device according to claim 1, characterized in that: the bottom of fender mud piece (21) extends to second sludge bucket (18) top one side, and fender mud piece (21) is the triangular prism structure, the geometric dimension of second sludge bucket (18) is less than first sludge bucket (17), the both ends of arc piece (19) extend to first sludge bucket (17) and second sludge bucket (18) top one side respectively.

7. The coal mine wastewater treatment device according to claim 1, characterized in that: the primary mixing mechanism comprises a first three-way pipe (25), first branch pipes (26), a mixed flow disc (27), a liquid adding pipe (28) and a mixed liquid shell (29), wherein one pipe orifice of the first three-way pipe (25) is connected to the end part of the third water inlet pipe (23), and the other two symmetrically arranged pipe orifices of the first three-way pipe (25) are fixedly connected with the first branch pipes (26).

8. The coal mine wastewater treatment device according to claim 7, characterized in that: two first branch pipe (26) symmetry each other sets up, and two first branch pipe (26) tip all run through and mix liquid casing (29) lateral wall and extend to mixing liquid casing (29) inner chamber, the lateral wall that adds liquid pipe (28) one end run through pipeline mixer (24) extends to mixing flow tray (27) top.

9. The coal mine wastewater treatment device according to claim 8, characterized in that: the end parts of the two first branch pipes (26) all extend to the top of the mixing disc (27), the mixing disc (27) is located in an inner cavity of the mixing shell (29), the tail ends of the two first branch pipes (26) are fixedly connected with the transverse pipes (2601), one parallel line of each transverse pipe (2601) is tangent to the outer edge part of the mixing disc (27), the openings of the two transverse pipes (2601) are arranged in a mutually reverse mode, the mixing disc (27) is formed by downwards sinking a stainless steel sheet of a circular structure by taking the circle center as a base point, and the sinking surface is of a spherical structure.

10. The coal mine wastewater treatment device according to claim 1, characterized in that: the secondary mixing mechanism comprises a second three-way pipe (30), spiral pipes (32) and a confluence shell (33), wherein one pipe orifice of the second three-way pipe (30) is connected to the bottom end of the liquid mixing shell (29), the other two symmetrically arranged pipe orifices of the second three-way pipe (30) are fixedly connected with second branch pipes (31) respectively, the two second branch pipes (31) are symmetrically arranged, the tail ends of the two second branch pipes (31) are fixedly connected with the spiral pipes (32), the tail ends of the two spiral pipes (32) are fixedly connected to the inner cavity of the confluence shell (33), and the bottom end of the confluence shell (33) is fixedly connected with a second water outlet pipe (34).