CN211311163U

CN211311163U - Heavy metal sewage treatment device and heavy metal sewage treatment system

Info

Publication number: CN211311163U
Application number: CN201922290034.XU
Authority: CN
Inventors: 夏文进
Original assignee: Yunnan Runlian Energy Saving Equipment Co ltd
Current assignee: Yunnan Runlian Energy Saving Equipment Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-21
Anticipated expiration: 2029-12-19

Abstract

The utility model relates to a sewage treatment technical field specifically is a heavy metal sewage treatment device and heavy metal sewage treatment system, including the sewage treatment bucket, the inner wall of sewage treatment bucket and the position that is located well upper portion are equipped with three filter, are equipped with the axis of rotation in the sewage treatment bucket, and the circumference outer wall of axis of rotation is equipped with four screws, and the bottom of sewage treatment bucket is equipped with the toper and deposits the storehouse, and the outside that the storehouse was deposited to the toper is equipped with back flow and feed liquor pipe, and the bottom that the storehouse was deposited to the toper is equipped with deposits the discharge pipe, and the top of sewage treatment bucket is equipped with sealed lid, and the middle part. This heavy metal sewage treatment device and heavy metal sewage treatment system under the effect of screw, make flocculating agent, heavy metal catching agent and sewage intensive mixing, through discharging storehouse and two drain pumps in advance will not up to standard sewage backward flow retreatment, discharge up to standard sewage to the discharge pond, this equipment accounts for on the ground little, is applicable to small-size heavy metal sewage treatment.

Description

Heavy metal sewage treatment device and heavy metal sewage treatment system

Technical Field

The utility model relates to a sewage treatment technical field specifically is a heavy metal sewage treatment device and heavy metal sewage treatment system.

Background

Heavy metal sewage refers to wastewater containing heavy metals discharged in the industrial production processes of mining and metallurgy, chemical industry, instruments and the like, the heavy metal sewage has serious environmental pollution and great harm to human beings, heavy metals in the sewage can not be decomposed and destroyed generally, heavy metal sewage treatment equipment is needed to be used for transferring the heavy metal sewage or converting the heavy metal sewage into physical and chemical forms of the heavy metal sewage, and the heavy metal sewage can be discharged or recycled after reaching the discharge standard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heavy metal sewage treatment device and heavy metal sewage treatment system to it is big to provide current heavy metal sewage treatment device area in the above-mentioned background art of solution, to the unsuitable problem of small-size heavy metal sewage treatment.

In order to achieve the above object, the utility model provides a following technical scheme:

a heavy metal sewage treatment device and a heavy metal sewage treatment system comprise a sewage treatment barrel, wherein two feeding barrels which are adjacently arranged are arranged on the circumferential outer wall of the sewage treatment barrel and are positioned in the middle of the sewage treatment barrel, a conveying pipe is arranged at the bottom of the feeding barrel, the bottom end of the conveying pipe penetrates through the sewage treatment barrel to the inner wall, a first filter plate, a second filter plate and a third filter plate are sequentially arranged on the inner wall of the sewage treatment barrel and positioned on the middle upper part of the sewage treatment barrel from top to bottom, a rotating shaft is arranged in the sewage treatment barrel, a first screw propeller, a second screw propeller, a third screw propeller and a fourth screw propeller are sequentially arranged on the circumferential outer wall of the rotating shaft from top to bottom, a conical precipitation bin is arranged at the bottom of the sewage treatment barrel, two backflow pipes and two adjacent liquid inlet pipes which are communicated with the outside are arranged on the inner wall of the conical precipitation bin, and a precipitation, the top of sewage treatment bucket is equipped with sealed lid, the middle part at sealed caping portion is equipped with the fixed plate, the surface of fixed plate is provided with servo motor, servo motor's output shaft pass in proper order fixed plate and sealed lid and with axis of rotation coaxial coupling, the inner wall of sewage treatment bucket and the position that is close to the top are equipped with the drain pipe with external intercommunication, the tip of drain pipe is equipped with the pre-discharge storehouse, the lower left corner on pre-discharge storehouse surface is equipped with the sample detection siphunculus with external intercommunication, the surface in pre-discharge storehouse and the position that is close to the middle part are equipped with first drainage pump, the surface in pre-discharge storehouse and the position that is close to the tip are equipped with the second drainage pump.

Preferably, the position of the circumference outer wall of the sewage treatment barrel and close to the bottom is provided with an annular fixed plate, and the bottom of the annular fixed plate is provided with three supporting legs arranged in an annular array.

Preferably, a first control valve is arranged on the circumferential outer wall of the material conveying pipe and at a position close to the joint of the material conveying pipe and the material feeding barrel.

Preferably, the first propeller is located between the first filter plate and the second filter plate, the second propeller is located between the second filter plate and the third filter plate, the third propeller is located at the middle lower part in the sewage treatment barrel, and the fourth propeller is located at a position close to the bottom in the sewage treatment barrel.

Preferably, the positions of the circumferential outer walls of the return pipe, the liquid inlet pipe and the sedimentation discharge pipe, which are close to the connection part of the conical sedimentation bin, are all provided with second control valves.

Preferably, the water inlet ends of the first drainage pump and the second drainage pump are both provided with liquid conveying pipes, the water outlet end of the first drainage pump is provided with a liquid return pipe, and the water outlet end of the second drainage pump is provided with a discharge pipe.

Preferably, the end part of the infusion tube penetrates through the pre-discharge bin to the bottom of the inner wall, and the liquid return tube is communicated with the liquid return tube.

Preferably, the pore diameters of the first filter plate, the second filter plate and the third filter plate are sequentially increased.

Compared with the prior art, the beneficial effects of the utility model are that:

this heavy metal sewage treatment device and heavy metal sewage treatment system, throw in flocculating agent and heavy metal catching agent respectively in two charging barrels, make the heavy metal sewage that gets into in the sewage treatment bucket mix rather than, under the effect of screw, can intensive mixing, reach the effect of getting rid of the heavy metal, through discharging storehouse and two drain pumps in advance will not up to standard sewage backward flow retreatment, discharge up to standard sewage to the discharge pond, this equipment accounts for on ground little, is applicable to small-size heavy metal sewage treatment.

Drawings

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

FIG. 2 is a schematic view of the section and the internal structure of the sewage treatment barrel of the present invention;

fig. 3 is a schematic view of the structure of the rotating shaft and four propellers in the present invention.

In the figure: sealing cover 1, fixed plate 1a, sewage treatment bucket 2, annular fixed plate 20, supporting leg 200, toper deposit storehouse 21, first filter 22, second filter 23, third filter 24, servo motor 3, throw material bucket 4, conveying pipeline 40, first control valve 41, axis of rotation 5, first screw 50, second screw 51, third screw 52, fourth screw 53, drain pipe 6, pre-discharge storehouse 7, first drain pump 8, second drain pump 9, transfer line 10, liquid return pipe 11, delivery pipe 12, sample detection siphunculus 13, back flow pipe 14, feed liquor pipe 15, second control valve 16, deposit discharge pipe 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

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", "third", "fourth" 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, features defined as "first", "second", "third", "fourth" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present invention provides a technical solution:

a heavy metal sewage treatment device and a heavy metal sewage treatment system comprise a sewage treatment barrel 2, two feeding barrels 4 which are adjacently arranged are arranged on the circumferential outer wall of the sewage treatment barrel 2 and are positioned in the middle, a conveying pipe 40 is arranged at the bottom of each feeding barrel 4, the bottom end of each conveying pipe 40 penetrates through the sewage treatment barrel 2 to the inner wall, a flocculating agent and a heavy metal catching agent are respectively fed into the two feeding barrels 4, the heavy metal catching agents can adsorb heavy metals in sewage, secondary pollution caused by a chemical method during heavy metal sewage treatment is avoided, the flocculating agent is added to react with heavy metal ions in the sewage to generate precipitation, so that the heavy metals in the sewage are better separated from the sewage, a first filter plate 22, a second filter plate 23 and a third filter plate 24 are sequentially arranged on the inner wall of the sewage treatment barrel 2 and positioned on the middle upper portion from top to bottom, the three filter plates can prevent the heavy metals adsorbed and formed precipitates from floating up to enter a liquid outlet pipe 6, a rotating shaft 5 is arranged in the sewage treatment barrel 2, a first screw propeller 50, a second screw propeller 51, a third screw propeller 52 and a fourth screw propeller 53 are sequentially arranged on the outer wall of the circumference of the rotating shaft 5 from top to bottom, a conical precipitation bin 21 is arranged at the bottom of the sewage treatment barrel 2, two backflow pipes 14 and liquid inlet pipes 15 which are communicated with the outside and are adjacent to each other are arranged on the inner wall of the conical precipitation bin 21, so that new heavy metal sewage and heavy metal sewage which does not reach the standard backflow can enter from the bottom, the treatment effect is improved, a precipitation discharge pipe 17 communicated with the outside is arranged at the bottom end of the inner wall of the conical precipitation bin 21, a condensate can slide down under the action of gravity by the conical precipitation bin 21 and can be conveniently discharged from the precipitation discharge pipe 17, a sealing cover 1 is arranged at the top of the sewage treatment barrel 2, a fixing plate 1a is arranged in the middle of the top of the sealing cover 1, a servo motor 3, drive axis of rotation 5 through servo motor 3 and rotate, the inner wall of sewage treatment bucket 2 and the position that is close to the top are equipped with drain pipe 6 with external intercommunication, the tip of drain pipe 6 is equipped with pre-discharge storehouse 7, sewage after will handling is inputed into pre-discharge storehouse 7 through drain pipe 6, the lower left corner on pre-discharge storehouse 7 surface is equipped with the sample detection siphunculus 13 with external intercommunication, obtain the sewage sample after handling through sample detection siphunculus 13, thereby whether reach standard is detected, pre-discharge storehouse 7's surface and the position that is close to the middle part are equipped with first drainage pump 8, pre-discharge storehouse 7's surface and the position that is close to the tip are equipped with second drainage pump 9, through first drainage pump 8 and second drainage pump 9 realization to the backward flow processing and the discharge of sewage.

In this embodiment, the position that the circumference outer wall of sewage treatment bucket 2 and be close to the bottom is equipped with annular fixed plate 20, and the bottom of annular fixed plate 20 is equipped with three supporting legs 200 of arranging with annular array, plays support and stable effect to sewage treatment bucket 2.

Specifically, a first control valve 41 is arranged on the circumferential outer wall of the conveying pipe 40 and at a position close to the joint with the feeding barrel 4, so that the feeding of the flocculating agent and the heavy metal catching agent is controlled conveniently, and the sewage is prevented from overflowing from the conveying pipe 40.

Further, first screw 50 is located between first filter 22 and the second filter 23, first screw 50 can prevent that first filter 22 and second filter 23 from being blockked up, second screw 51 is located between second filter 23 and the third filter 24, second screw 51 can prevent that second filter 23 and third filter 24 from being blockked up, third screw 52 is located the well lower part in sewage treatment bucket 2, fourth screw 53 is located the position that is close to the bottom in sewage treatment bucket 2, third screw 52 and fourth screw 53 all play the stirring effect to heavy metal sewage, make heavy metal sewage can with flocculating agent and heavy metal trapping agent intensive mixing, the efficiency of treatment is improved.

Furthermore, the positions of the circumferential outer walls of the return pipe 14, the liquid inlet pipe 15 and the sedimentation discharge pipe 17, which are close to the connection with the conical sedimentation bin 21, are all provided with second control valves 16 for controlling the opening and closing of the return pipe 14, the liquid inlet pipe 15 and the sedimentation discharge pipe 17 and the flow rate.

Furthermore, the water inlet ends of the first drainage pump 8 and the second drainage pump 9 are both provided with a liquid conveying pipe 10, sewage in the pre-discharge bin 7 is pumped out through the liquid conveying pipe 10, the water outlet end of the first drainage pump 8 is provided with a liquid return pipe 11, sewage which does not reach the standard is input into the sewage treatment barrel 2 again through the first drainage pump 8 for secondary treatment until the sewage reaches the standard, the water outlet end of the second drainage pump 9 is provided with a discharge pipe 12, and the sewage which reaches the standard is discharged through the second drainage pump 9.

Further, the end of the infusion tube 10 penetrates through the pre-discharge bin 7 to the bottom of the inner wall, so that sewage in the pre-discharge bin 7 can be pumped out, the liquid return tube 11 is communicated with the return tube 14, and sewage which does not reach the standard can enter the return tube 14 through the liquid return tube 11, so that backflow and secondary treatment are realized.

Besides, the aperture of the first filter plate 22, the second filter plate 23 and the third filter plate 24 is sequentially increased, so that the adsorbed heavy metal and the precipitate can be prevented from entering the top of the sewage treatment barrel 2 on the premise of keeping the circulation, and the treated heavy metal is prevented from being discharged from the liquid outlet pipe 6.

It should be noted that, the first drainage pump 8 and the second drainage pump 9 related in the present invention both adopt a sewage pump with a model number of 25ZW8-15 produced by shanghai kurui pump valve manufacturing limited company, the servo motor 3 adopts a servo motor with a model number of HF-MP13 produced by shenzhen city chuan society automation equipment limited company, and a driving power supply for the servo motor can be provided by the manufacturer; furthermore, the utility model discloses in relate to sewage pump and servo motor be prior art, and the field of technical personnel can realize completely, need not proud, the utility model discloses the content of protection does not relate to the structure and the theory of operation improvement to sewage pump and servo motor yet.

When the heavy metal sewage treatment equipment and the heavy metal sewage treatment system are used, a user puts a flocculating agent and a heavy metal catching agent into the sewage treatment barrel 2 from the two feeding barrels 4 respectively, closes the first control valve 41 after putting into the sewage treatment barrel 2 to prevent sewage entering the sewage treatment barrel 2 from overflowing from the conveying pipeline 40, switches on the servo motor 3 and an external power supply to enable the servo motor to work, opens the control valve of the liquid inlet pipe 15 to enable heavy metal sewage to enter the conical precipitation bin 21 from the liquid inlet pipe 15, and enables the sewage to rise in the sewage treatment barrel 2 along with the continuous entering of the sewage into the conical precipitation bin 21, the rotating shaft 5 is driven to rotate under the action of the servo motor 3, the four propellers continuously stir the sewage, so that the heavy metal sewage is fully mixed and reacted with the flocculating agent and the heavy metal catching agent to realize the treatment of the heavy metal sewage, and due to the action of the three layers of the, can prevent that the sediment of being adsorbed and reacting from entering into sewage treatment barrel 2's top, sewage after being handled enters into in the storehouse 7 of discharging in advance from drain pipe 6, the sewage after the rethread sample test siphunculus 13 is to the processing carries out sample test, if sewage after the processing is not up to standard, start first drainage pump 8 with discharge in the storehouse 7 of discharging in advance sewage from returning liquid pipe 11 and input back flow 14 again, reentrant sewage treatment barrel 2 carries out secondary treatment, until the sewage of being handled is up to standard, if sewage after the processing reaches discharge standard, it can to start that second drainage pump 9 discharges the sewage in the storehouse 7 of discharging in advance from discharge pipe 12.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a heavy metal sewage treatment device and heavy metal sewage treatment system, includes sewage treatment bucket (2), its characterized in that: the device is characterized in that two feeding barrels (4) which are adjacently arranged are arranged on the circumferential outer wall of the sewage treatment barrel (2) and located in the middle of the sewage treatment barrel, a conveying pipeline (40) is arranged at the bottom of each feeding barrel (4), the bottom end of each conveying pipeline (40) penetrates through the sewage treatment barrel (2) to the inner wall of each feeding barrel, a first filter plate (22), a second filter plate (23) and a third filter plate (24) are sequentially arranged on the inner wall of each sewage treatment barrel (2) and located in the middle upper portion of the sewage treatment barrel from top to bottom, a rotating shaft (5) is arranged in each sewage treatment barrel (2), a first screw propeller (50), a second screw propeller (51), a third screw propeller (52) and a fourth screw propeller (53) are sequentially arranged on the circumferential outer wall of each rotating shaft (5) from top to bottom, a conical precipitation bin (21) is arranged at the bottom of each sewage treatment barrel (2), two backflow pipes (14) and liquid inlet pipes (15) which, the bottom of the inner wall of the conical precipitation bin (21) is provided with a precipitation discharge pipe (17) communicated with the outside, the top of the sewage treatment barrel (2) is provided with a sealing cover (1), the middle of the top of the sealing cover (1) is provided with a fixing plate (1a), the surface of the fixing plate (1a) is provided with a servo motor (3), an output shaft of the servo motor (3) sequentially penetrates through the fixing plate (1a) and the sealing cover (1) and is coaxially connected with the rotating shaft (5), a liquid outlet pipe (6) communicated with the outside is arranged at the position, close to the top, of the inner wall of the sewage treatment barrel (2), the end part of the liquid outlet pipe (6) is provided with a pre-discharge bin (7), the lower left corner of the surface of the pre-discharge bin (7) is provided with a sampling detection through pipe (13) communicated with the outside, a first water discharge pump (8) is arranged, and a second drainage pump (9) is arranged on the surface of the pre-discharge bin (7) and close to the end part.

2. The heavy metal sewage treatment apparatus and heavy metal sewage treatment system according to claim 1, wherein: the circumference outer wall of sewage treatment bucket (2) and the position that is close to the bottom are equipped with annular fixed plate (20), the bottom of annular fixed plate (20) is equipped with three supporting legs (200) of arranging with annular array.

3. The heavy metal sewage treatment apparatus and heavy metal sewage treatment system according to claim 1, wherein: and a first control valve (41) is arranged on the circumferential outer wall of the conveying pipe (40) and close to the joint of the conveying pipe and the feeding barrel (4).

4. The heavy metal sewage treatment apparatus and heavy metal sewage treatment system according to claim 1, wherein: the first propeller (50) is located between the first filter plate (22) and the second filter plate (23), the second propeller (51) is located between the second filter plate (23) and the third filter plate (24), the third propeller (52) is located at the middle lower part in the sewage treatment barrel (2), and the fourth propeller (53) is located at a position close to the bottom in the sewage treatment barrel (2).

5. The heavy metal sewage treatment apparatus and heavy metal sewage treatment system according to claim 1, wherein: and second control valves (16) are arranged on the circumferential outer walls of the return pipe (14), the liquid inlet pipe (15) and the sedimentation discharge pipe (17) and at positions close to the connection part of the conical sedimentation bin (21).

6. The heavy metal sewage treatment apparatus and heavy metal sewage treatment system according to claim 1, wherein: the water inlet end of the first drainage pump (8) and the water inlet end of the second drainage pump (9) are both provided with a liquid conveying pipe (10), the water outlet end of the first drainage pump (8) is provided with a liquid return pipe (11), and the water outlet end of the second drainage pump (9) is provided with a drainage pipe (12).

7. The heavy metal sewage treatment apparatus and heavy metal sewage treatment system according to claim 6, wherein: the end part of the infusion tube (10) penetrates through the pre-discharge bin (7) to the bottom of the inner wall, and the liquid return tube (11) is communicated with the liquid return tube (14).

8. The heavy metal sewage treatment apparatus and heavy metal sewage treatment system according to claim 1, wherein: the aperture of the first filter plate (22), the second filter plate (23) and the third filter plate (24) is increased in sequence.