CN212713022U

CN212713022U - Multistage flocculation reaction tank for heavy metal wastewater treatment

Info

Publication number: CN212713022U
Application number: CN202021128933.6U
Authority: CN
Inventors: 蔡卫宜
Original assignee: Qingyuan Zhongyu Environmental Ind Co ltd
Current assignee: Qingyuan Zhongyu Environmental Ind Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-03-16
Anticipated expiration: 2030-06-17

Abstract

The utility model provides a multistage flocculation reaction pond that heavy metal waste water treatment used, includes bottom plate, reaction tank, filtering pond, catheter and control electronic box, there is the reaction tank one side of bottom plate through welding rod fixed mounting, one side fixed mounting of welding rod has the control electronic box, the inside of reaction tank divides into one-level flocculation pond, second grade flocculation pond and tertiary flocculation pond in proper order through the division board, the central position department fixed mounting at one-level flocculation pond, second grade flocculation pond and tertiary flocculation pond top has the YS motor, the YS motor passes through wire and control electronic box electric connection. The utility model discloses set up the arc honeycomb duct, the WQ water pump can carry second grade flocculation basin and tertiary flocculation basin with heavy metal sewage in proper order, heavy metal sewage through the arc honeycomb duct produce one when entering into second grade flocculation basin and tertiary flocculation basin with the effort of stirring leaf during operation equidirectional to cooperation stirring leaf that can be better stirs heavy metal sewage.

Description

Multistage flocculation reaction tank for heavy metal wastewater treatment

Technical Field

The utility model relates to a heavy metal waste water treatment technical field specifically is a multistage flocculation reaction pond that heavy metal waste water treatment used.

Background

Heavy metal wastewater refers to wastewater containing heavy metals discharged in the industrial production processes of mining and metallurgy, mechanical manufacturing, chemical industry, electronics, instruments and the like, the wastewater containing heavy metals (such as cadmium, nickel, mercury, zinc and the like) is one of the most serious industrial wastewater polluting the environment and having the greatest harm to human beings, the water quality and the water quantity of the wastewater are related to the production process, the heavy metals in the wastewater can not be decomposed and destroyed generally, only the existing positions of the heavy metals can be transferred and the physical and chemical forms of the heavy metals can be converted, the treatment method is to reform the production process firstly, heavy metals with large toxicity are not used or are used, the chemical precipitation method, the ion exchange method and the like are usually adopted for treatment in the on-site treatment (such as not being discharged out of a production workshop) of a production site, the heavy metals in the treated water can be discharged or recycled below the discharge standard, a new heavy metal concentrated product is formed and recycled or subjected to harmless treatment as much, the treatment is often carried out by using a multi-stage flocculation reaction tank.

The existing multistage flocculation reaction tank for treating heavy metal wastewater has the defects that:

1. the multi-stage flocculation reaction tank for treating the existing heavy metal wastewater directly precipitates under the action of the multi-stage reaction tank, and other impurities in the wastewater and alum adsorbing suspended matters are discharged together, so that the alum cannot be recycled.

2. The multistage flocculation reaction tank that current heavy metal waste water treatment used when using, heavy metal waste water can react through multistage reaction tank in proper order, and the heavy metal waste water all directly discharges into the reaction tank in, and the effort that waste water falls into in the reaction tank can cause the resistance to the stirring power, influences stirring effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multistage flocculation reaction pond that heavy metal wastewater treatment used to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-stage flocculation reaction tank for heavy metal wastewater treatment comprises a base plate, a reaction tank, a filter tank, a liquid guide pipe and a control electric box, wherein the reaction tank is fixedly arranged on one side of the base plate through a welding rod, the control electric box is fixedly arranged on one side of the welding rod, the reaction tank is sequentially divided into a first-stage flocculation tank, a second-stage flocculation tank and a third-stage flocculation tank through partition plates, a YS motor is fixedly arranged at the central position of the tops of the first-stage flocculation tank, the second-stage flocculation tank and the third-stage flocculation tank, the YS motor is electrically connected with the control electric box through a wire, a stirring shaft is fixedly arranged at the output end of the YS motor through a rotating shaft, a feed opening is fixedly arranged on one side of the tops of the first-stage flocculation tank, the second-stage flocculation tank and the third-stage flocculation tank, a sealing cover is fixedly arranged, the WQ water pump passes through wire and control electronic box electric connection, the central position department of one-level flocculation basin, second grade flocculation basin and tertiary flocculation basin bottom is equipped with the drain, the bottom fixed mounting of drain has the bottom, the bottom fixed mounting of tertiary flocculation basin one side has the drain pipe, the fixed surface of drain pipe installs first valve, the opposite side fixed mounting at bottom plate top has the filtering pond, the top fixed mounting of filtering pond has the catheter of slope.

Preferably, a filter plate is fixedly mounted at the top of the filter chamber through an insertion block, insertion rods are fixedly mounted at four corners of the bottom of the filter plate, a handle is fixedly mounted at the center of the top of the filter plate, a liquid discharge pipe is arranged at the bottom of one side of the filter chamber, and a second valve is fixedly mounted on the surface of the liquid discharge pipe.

Preferably, the input end of the WQ water pump is connected with a water pumping pipe, the output end of the WQ water pump is connected with a water draining pipe, and the bottom end of the water draining pipe is connected with an arc-shaped flow guiding pipe.

Preferably, the top of the liquid guide tube is provided with a top opening, the bottom of the liquid guide tube is provided with a bottom opening, and two ends of the bottom of the liquid guide tube are fixedly provided with mounting rods.

Preferably, the surface of the stirring shaft is fixedly provided with three groups of equidistant connecting rods, and the two ends of each connecting rod are fixedly provided with stirring blades.

Preferably, the front surface of the control electric box is provided with a first knob and a second knob, and the bottom of the control electric box is connected with a plug through a wire.

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

1. the multistage flocculation reaction tank for treating the heavy metal wastewater is provided with the filter tank, the filter plate in the filter tank can separate the alum adsorbing suspended matters from the sewage, and then people can directly go out the filter plate to collect and recycle the alum adsorbing the suspended matters on the surface of the filter plate.

2. This multistage flocculation reaction tank that heavy metal waste water treatment used has set up the arc honeycomb duct, and the WQ water pump can carry heavy metal sewage second grade flocculation pond and tertiary flocculation pond in proper order, produces one and the effort of stirring leaf during operation equidirectional when heavy metal sewage enters into second grade flocculation pond and tertiary flocculation pond through the arc honeycomb duct to cooperation stirring leaf that can be better stirs heavy metal sewage.

Drawings

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

FIG. 2 is a schematic view of the catheter structure of the present invention;

fig. 3 is a schematic diagram of the filter chamber structure of the present invention.

In the figure: 1. a base plate; 2. welding a rod; 3. a reaction tank; 4. a partition plate; 5. a primary flocculation tank; 6. a secondary flocculation tank; 7. a third-stage flocculation tank; 8. a WQ water pump; 801. a drain pipe; 802. a water pumping pipe; 803. an arc-shaped guide pipe; 9. a YS motor; 10. a feed inlet; 11. a sealing cover; 12. a stirring shaft; 1201. a connecting rod; 1202. stirring blades; 13. a sewage draining outlet; 14. a bottom cover; 15. a liquid outlet pipe; 16. a first valve; 17. a filter chamber; 1701. inserting a block; 1702. filtering the plate; 1703. inserting a rod; 1704. a handle; 1705. a liquid discharge pipe; 1706. a second valve; 18. a catheter; 1801. a top opening; 1802. a bottom opening; 1803. mounting a rod; 19. controlling an electric box; 1901. a first knob; 1902. a second knob; 1903. and (4) a plug.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and 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 should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a multi-stage flocculation reaction tank for treating heavy metal wastewater comprises a base plate 1, a reaction tank 3, a filter tank 17, a liquid guide tube 18 and a control electric box 19, wherein the reaction tank 3 is fixedly arranged on one side of the base plate 1 through a welding rod 2, the reaction tank 3 is used for carrying out grading reaction on heavy metal wastewater, the control electric box 19 is fixedly arranged on one side of the welding rod 2 through a bolt, the control electric box 19 is used for carrying out power supply control on a WQ water pump 8 and a YS motor 9, the reaction tank 3 is internally and sequentially divided into a first-stage flocculation tank 5, a second-stage flocculation tank 6 and a third-stage flocculation tank 7 through a partition plate 4, the first-stage flocculation tank 5, the second-stage flocculation tank 6 and the third-stage flocculation tank 7 are sequentially used for carrying out flocculation reaction on the heavy metal wastewater, the YS motor 9 is fixedly arranged at the central positions of the tops of the first-stage flocculation tank 5, the output end of the YS motor 9 is fixedly provided with a stirring shaft 12 through a rotating shaft, the YS motor 9 is used for driving the stirring shaft 12 to rotate, the first-stage flocculation tank 5, one side of the tops of the second-stage flocculation tank 6 and the third-stage flocculation tank 7 is welded with a feed inlet 10, the feed inlet 10 is convenient for adding heavy metal sewage and alum, the top of the feed inlet 10 is fixedly provided with a sealing cover 11 through a thread structure, the sealing cover 11 is used for sealing the feed inlet 10, the other side of the tops of the first-stage flocculation tank 5 and the second-stage flocculation tank 6 is fixedly provided with a WQ water pump 8 through bolts, the WQ water pump 8 is electrically connected with a control electric box 19 through a lead, the heavy metal sewage after flocculation reaction in the first-stage flocculation tank 5 is conveyed to the second-stage flocculation tank 6 through the WQ water pump 8, the heavy metal sewage after flocculation reaction, The central point department of second grade flocculation basin 6 and tertiary flocculation basin 7 bottom is equipped with drain 13, drain 13 is used for discharging mud, there is bottom 14 bottom the bottom of drain 13 through helicitic texture fixed mounting, bottom 14 seals drain 13, the bottom welding of tertiary flocculation basin 7 one side has drain pipe 15, there is first valve 16 on the surface of drain pipe 15 through helicitic texture fixed mounting, the opposite side welding at bottom plate 1 top has filtering pond 17, the welding of the top of filtering pond 17 has the catheter 18 of slope, after the inside heavy metal sewage reaction of tertiary flocculation basin 7, twist and move first valve 16, heavy metal sewage passes through drain pipe 15 and discharges catheter 18, inside catheter 18 discharges heavy metal sewage evenly to filtering pond 17, filtering pond 17 filters the alum that adsorbs the suspended solid in the sewage, conveniently retrieve and recycle.

Further, a filter plate 1702 is fixedly mounted at the position of the top in the filter chamber 17 through an insertion block 1701, the filter plate 1702 is used for filtering alum adsorbing suspended matters in sewage, insertion rods 1703 are welded at four corners of the bottom of the filter plate 1702, the insertion rods 1703 are fixedly mounted inside the insertion block 1701, a handle 1704 is welded at the central position of the top of the filter plate 1702, the handle 1704 facilitates people to take out the filter plate 1702 in a hand-held mode, a drain pipe 1705 is arranged at the bottom of one side of the filter chamber 17, a second valve 1706 is fixedly mounted on the surface of the drain pipe 1705 through a threaded structure, the second valve 1706 is screwed, and the sewage in the filter chamber 17 is discharged through the drain pipe 1705.

Further, the input of WQ water pump 8 is connected with drinking-water pipe 802, the output of WQ water pump 8 is connected with drain pipe 801, WQ water pump 8 is taken out the sewage after the inside reaction of one-level flocculation pond 5 through drinking-water pipe 802, then discharge into second grade flocculation pond 6 inside through drain pipe 801, then take out the sewage after the inside reaction of second grade flocculation pond 6, then discharge into tertiary flocculation pond 7 inside through drain pipe 801, the bottom of drain pipe 801 is connected with arc honeycomb duct 803, drain pipe 801 discharges heavy metal sewage through arc honeycomb duct 803, form an effort with stirring leaf 1202 same direction, supplementary stirring leaf 1202 stirs heavy metal sewage.

Further, the top of catheter 18 is equipped with top opening 1801, and inside heavy metal sewage fell into catheter 18 through top opening 1801, the bottom of catheter 18 was equipped with end opening 1802, and the inside heavy metal sewage of catheter 18 discharged through end opening 1802, and the both ends welding of catheter 18 bottom has installation pole 1803, and catheter 18 welds the top at filtering pond 17 through installation pole 1803.

Further, three groups of equidistant connecting rods 1201 are fixedly installed on the surface of the stirring shaft 12, and stirring blades 1202 are fixedly installed at two ends of the connecting rods 1201.

Further, the front of control electronic box 19 is equipped with first knob 1901 and second knob 1902, and first knob 1901 and second knob 1902 can carry out the individual control to the operating condition of three groups YS motors 9 and two groups WQ water pump 8, and the bottom of control electronic box 19 has plug 1903 through the wire connection, and control electronic box 19 passes through plug 1903 and connects the power.

The working principle is as follows: when in use, the plug 1903 is connected with a power supply, then the heavy metal sewage is added into the primary flocculation tank 5 through the charging hole 10, then the alum is added, the YS motor 9 on the primary flocculation tank 5 is controlled by the first knob 1901 to drive the stirring blade 1202 to stir the heavy metal sewage, the absorption of suspended matters in the heavy metal sewage by the alum is accelerated, after the reaction is finished, the WQ water pump 8 on the primary flocculation tank 5 is controlled by the second knob 1902 to convey the heavy metal sewage after the reaction in the primary flocculation tank 5 into the secondary flocculation tank 6, the YS motor 9 on the secondary flocculation tank 6 is controlled by the first knob 1901 to drive the stirring blade 1202 to stir the heavy metal sewage, the absorption of suspended matters in the heavy metal sewage is accelerated, after the reaction is finished, the WQ water pump 8 on the secondary flocculation tank 6 is controlled by the second knob 1902 to convey the heavy metal sewage after the reaction in the secondary flocculation tank 6 into the tertiary flocculation tank 7, YS motor 9 through on the tertiary flocculation basin 7 of first knob 1901 control drives stirring leaf 1202 and stirs heavy metal sewage, alum adsorbs the suspended solid in the heavy metal sewage with higher speed, after the reaction is accomplished, twist and move first valve 16, the inside heavy metal sewage of tertiary flocculation basin 7 is discharged catheter 18 through drain pipe 15, catheter 18 discharges heavy metal sewage evenly inside filtering pond 17, filter 17 inside filter plate 1702 filters the alum of adsorbing the suspended solid in the sewage, conveniently retrieve and recycle, then twist and move second valve 1706, the inside sewage of filtering pond 17 passes through fluid-discharge tube 1705 and discharges.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Claims

1. The utility model provides a multistage flocculation reaction pond that heavy metal waste water treatment used, includes bottom plate (1), reaction tank (3), filtering pond (17), catheter (18) and control electronic box (19), its characterized in that: one side of the bottom plate (1) is fixedly provided with a reaction tank (3) through a welding rod (2), one side of the welding rod (2) is fixedly provided with a control electric box (19), the inside of the reaction tank (3) is sequentially divided into a first-level flocculation tank (5), a second-level flocculation tank (6) and a third-level flocculation tank (7) through a partition plate (4), the central position of the tops of the first-level flocculation tank (5), the second-level flocculation tank (6) and the third-level flocculation tank (7) is fixedly provided with a YS motor (9), the YS motor (9) is electrically connected with the control electric box (19) through a lead, the output end of the YS motor (9) is fixedly provided with a stirring shaft (12) through a rotating shaft, one side of the tops of the first-level flocculation tank (5), the second-level flocculation tank (6) and the third-level flocculation tank (7) is fixedly provided with a feed inlet (10, the utility model discloses a sewage treatment device, including bottom plate (1), one-level flocculation basin (5) and second grade flocculation basin (6), the opposite side fixed mounting at one-level flocculation basin (5) and second grade flocculation basin (6) top has WQ water pump (8), WQ water pump (8) are through wire and control electronic box (19) electric connection, the central point department of putting of one-level flocculation basin (5), second grade flocculation basin (6) and tertiary flocculation basin (7) bottom is equipped with drain (13), the bottom fixed mounting of drain (13) has bottom (14), the bottom fixed mounting of tertiary flocculation basin (7) one side has drain pipe (15), the fixed surface of drain pipe (15) installs first valve (16), the opposite side fixed mounting at bottom plate (1) top has filtering pond (17), the top fixed mounting of filtering pond (17) has catheter (18) of slope.

2. The multi-stage flocculation reaction tank for heavy metal wastewater treatment according to claim 1, wherein: the filter is characterized in that a filter plate (1702) is fixedly mounted at the top of the filter chamber (17) through an insert block (1701), insert rods (1703) are fixedly mounted at four corners of the bottom of the filter plate (1702), a handle (1704) is fixedly mounted at the center of the top of the filter plate (1702), a liquid discharge pipe (1705) is arranged at the bottom of one side of the filter chamber (17), and a second valve (1706) is fixedly mounted on the surface of the liquid discharge pipe (1705).

3. The multi-stage flocculation reaction tank for heavy metal wastewater treatment according to claim 1, wherein: the input end of WQ water pump (8) is connected with drinking-water pipe (802), the output end of WQ water pump (8) is connected with drain pipe (801), and the bottom of drain pipe (801) is connected with arc honeycomb duct (803).

4. The multi-stage flocculation reaction tank for heavy metal wastewater treatment according to claim 1, wherein: the top of the liquid guide pipe (18) is provided with a top opening (1801), the bottom of the liquid guide pipe (18) is provided with a bottom opening (1802), and two ends of the bottom of the liquid guide pipe (18) are fixedly provided with mounting rods (1803).

5. The multi-stage flocculation reaction tank for heavy metal wastewater treatment according to claim 1, wherein: the surface of the stirring shaft (12) is fixedly provided with three groups of equidistant connecting rods (1201), and the two ends of each connecting rod (1201) are fixedly provided with stirring blades (1202).

6. The multi-stage flocculation reaction tank for heavy metal wastewater treatment according to claim 1, wherein: the front of control electronic box (19) is equipped with first knob (1901) and second knob (1902), the bottom of control electronic box (19) is connected with plug (1903) through the wire.