CN219010112U

CN219010112U - High-salt wastewater treatment device containing heavy metals

Info

Publication number: CN219010112U
Application number: CN202223437409.9U
Authority: CN
Inventors: 方小峰; 王悦新; 丁九鼎; 何珮宜; 王旭
Original assignee: Suzhou Yurun Environmental Technology Co ltd
Current assignee: Suzhou Yurun Environmental Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-12
Anticipated expiration: 2032-12-20

Abstract

The utility model belongs to the technical field of wastewater treatment, and particularly relates to a heavy metal-containing high-salt wastewater treatment device which comprises a chemical sedimentation tank, wherein one end of the chemical sedimentation tank is connected with a wastewater inlet, one end of the chemical sedimentation tank is connected with a chemical agent inlet, the inner wall of the chemical sedimentation tank is provided with a filtering port, one end of the filtering port is provided with a water outlet pipe, the bottom end of the chemical sedimentation tank is provided with a crystallization bin, one end of the water outlet pipe is provided with a traditional aeration tank, the top end of the traditional aeration tank is provided with a harmful gas storage bin, one end of the aeration tank is provided with a high-pressure reverse osmosis device, one side of the high-pressure reverse osmosis device is provided with an evaporator, one end of the evaporator is provided with a centrifugal bin, the inside of the centrifugal bin is provided with a centrifugal pump, and one end of the centrifugal bin is provided with a microporous aeration head. According to the high-salt wastewater treatment device containing heavy metals, the heavy metals can be recycled through the addition and precipitation of chemical agents, and the wastewater can reach the discharge standard through the mutual cooperation of a plurality of reactions.

Description

High-salt wastewater treatment device containing heavy metals

Technical Field

The utility model relates to the technical field of wastewater treatment, in particular to a high-salt wastewater treatment device containing heavy metals.

Background

In the industrial production processes of chemical industry, electroplating, metal smelting, electronics and the like, a large amount of heavy metal-containing wastewater is generated, wherein most heavy metals are toxic and harmful and are not easy to decompose and destroy, if the heavy metals are directly discharged into natural water without treatment, the heavy metals are seriously harmful to natural environment and human health, and a large amount of salt and heavy metal resources are wasted. Therefore, the development of the high-efficiency and environment-friendly recycling treatment technology for the heavy metal-containing wastewater reduces the discharge of the heavy metal wastewater, improves the recycling rate of heavy metal and mixed salt in the wastewater, and has great significance for the development of heavy metal industry and the protection of ecological environment. The existing micro-nano aeration technology is that a micro-pore aeration head is used for beating gas into micro-scale bubbles, so that the volume of the bubbles is greatly reduced, and the micro-nano aeration technology is widely applied to wastewater treatment.

The prior art has the following problems:

1. in the using process of the existing equipment, the generated heavy metal can not be recycled.

2. In the using process of the existing equipment, the treatment mode is simple, and the treated wastewater is difficult to reach the discharge standard.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a heavy metal-containing high-salt wastewater treatment device, which solves the problems of low ozone utilization rate and troublesome catalyst cleaning and replacement existing at present.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high salt effluent treatment plant who contains heavy metal, includes the chemical precipitation pond, chemical precipitation pond one end is connected with waste water entry, chemical precipitation pond one end is connected with chemical agent entry, chemical precipitation pond inner wall is provided with the filtration mouth, filtration mouth one end is provided with the outlet pipe, chemical precipitation pond bottom is provided with crystallization storehouse, outlet pipe one end is provided with traditional aeration tank, traditional aeration tank top is provided with harmful gas storage storehouse, aeration tank one end is provided with high-pressure reverse osmosis unit, high-pressure reverse osmosis unit one side is provided with the evaporimeter, the evaporimeter top is provided with the tuber pipe, tuber pipe one end is provided with the fan, fan one end is provided with the air outlet, evaporimeter one end is provided with centrifugal storehouse, centrifugal storehouse inside is provided with the centrifugal pump, centrifugal storehouse one end is provided with the micropore aeration head, micropore aeration head one end is provided with the intake chamber, intake chamber one end is provided with the outlet.

As a preferable technical scheme of the utility model, the traditional aeration tank adopts a scattered flow aerator. As a preferable technical scheme of the utility model, the crystallization bin comprises a bin body, an anti-corrosion bin gate, a first chute and a second chute, wherein the bottom of the crystallization bin is the bin body, the anti-corrosion bin gate is movably arranged at the top of the bin body, the left end and the right end of the top end of the bin body are fixedly provided with the vertical first chute, and the anti-corrosion bin gate and the upper end and the lower end of the bin body are provided with only the transverse second chute.

As a preferable technical scheme of the utility model, three groups of microporous aeration heads are fixedly arranged in the pipeline between the centrifugal bin and the water purifying chamber.

As a preferable technical scheme of the utility model, the tops of the traditional aeration tank and the clean water tank are both connected with a harmful gas storage bin.

As a preferable technical scheme of the utility model, the top of the evaporator is movably provided with a sealing device.

As a preferable technical scheme of the utility model, the filtering mouth is movably provided with a cloth bag type filtering bag.

Compared with the prior art, the utility model provides a high-salt wastewater treatment device containing heavy metals, which has the following beneficial effects:

1. this high salt effluent treatment plant who contains heavy metal carries out reaction precipitation through the addition of chemical agent in the chemical precipitation pond, dissociates the most heavy metal that contains in the play waste water, and the crystallization storehouse of rethread bottom is collected and is retrieved, can make heavy metal recycle.

2. This contain high salt effluent treatment plant of heavy metal carries out preliminary aeration to waste water through traditional aeration tank, with its inside poisonous gas and volatile matter release to the air in, store the storehouse through the storage, the later stage carries out unified processing, the non-staining environment, carry out membrane separation through high pressure reverse osmosis unit, separate with pressure, purify and concentrate for heavy metal in the waste water obtains further separation, and distill and can make the salt waste water desalination gradually, make fresh water quality of water good, reach emission standard easily.

Drawings

FIG. 1 is a block diagram of the present utility model;

FIG. 2 is an enlarged view of the microporous aerator of FIG. 1 according to the present utility model;

FIG. 3 is a view showing the opening of the crystallization gate according to the present utility model;

FIG. 4 is a schematic view showing the structure of the crystallization bin according to the present utility model.

In the figure: 1. a chemical sedimentation tank; 2. a waste water inlet; 3. a chemical inlet; 4. a filtering port; 5. a water outlet pipe; 6. a crystallization bin; 7. a traditional aeration tank; 8. a high pressure reverse osmosis device; 9. an evaporator; 10. an air duct; 11. a blower; 12. an air outlet; 13. a centrifugal bin; 14. a centrifugal pump; 15. a microporous aeration head; 16. a harmful gas storage bin; 17. a water purifying chamber; 18. a water outlet; 60. a bin body; 61. an anti-corrosion bin gate; 62. a first chute; 63. and a second chute.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in the present embodiment: the high-salt wastewater treatment device comprises a chemical sedimentation tank 1, wherein one end of the chemical sedimentation tank 1 is connected with a wastewater inlet 2 for inputting high-salt wastewater containing heavy metals; one end of the chemical sedimentation tank 1 is connected with a chemical agent inlet 3 for adding the neutralization heavy metal liquid medicine; the inner wall of the chemical precipitation tank 1 is provided with a filtering port 4 for filtering chemical precipitation substances; one end of the filtering port 4 is provided with a water outlet pipe 5 for conveying out filtered liquid; the bottom end of the chemical sedimentation tank 1 is provided with a crystallization bin 6 for placing the precipitated heavy metals; one end of the water outlet pipe 5 is provided with a traditional aeration tank 7 for stirring the filtered liquid; the top end of the traditional aeration tank 7 is provided with a harmful gas storage bin 16 for storing the poisonous gas generated after aeration; one end of the aeration tank is provided with a high-pressure reverse osmosis device 8 for further separating heavy metals contained in the liquid; an evaporator 9 is arranged at one side of the high-pressure reverse osmosis device 8, and evaporation desalination is carried out on the separated liquid; the top end of the evaporator 9 is provided with an air pipe 10 which is used for being connected with a fan 11; one end of the air pipe 10 is provided with a fan 11 for absorbing the evaporated gas; an air outlet 12 is arranged at one end of the fan 11, and the evaporated water vapor is discharged; a centrifugal bin 13 is arranged at one end of the evaporator 9 and is used for centrifugally separating condensed water; a centrifugal pump 14 is arranged in the centrifugal bin 13 for centrifugal movement; one end of the centrifugal bin 13 is provided with a microporous aeration head 15 for microporous aeration of the liquid; one end of the microporous aeration head 15 is provided with a water purifying chamber 17 for finally purifying the liquid, and one end of the water purifying chamber 17 is provided with a water outlet 18 for discharging the liquid which meets the standard.

In the embodiment, the traditional aeration tank 7 adopts a scattered flow aerator, and the aeration holes can be prevented from being blocked by inorganic salt due to larger bubbles and stronger lifting force; the crystallization bin 6 comprises a bin body 60, an anti-corrosion bin door 61, a first chute 62 and a second chute 63, wherein the bottom of the crystallization bin 6 is provided with the bin body 60 for storing high-metal substances; an anti-corrosion bin gate 61 is movably arranged at the top of the bin body 60 to prevent the corrosion of chemical agents; the left end and the right end of the top end of the bin body 60 are fixedly provided with vertical first sliding grooves 62 for separating the bin body 60 from a bin door; the upper and lower ends of the corrosion-resistant bin gate 61 and the bin body 60 are provided with only a transverse second chute 63 for opening the bin gate; three groups of microporous aeration heads 15 are fixedly arranged in the pipeline between the centrifugal bin 13 and the water purifying chamber 17, so that the oxygen injection efficiency is high; the tops of the traditional aeration tank 7 and the clean water tank are respectively connected with a harmful gas storage bin 16 for storing harmful gas, and the environment is not polluted when the post-treatment is carried out; the top of the evaporator 9 is movably provided with a sealing device, so that heat is not lost in the internal evaporation process; the filtering mouth 4 is movably provided with a cloth bag type filtering bag, so that the filtering bag is convenient to detach and can be replaced.

The working principle and the using flow of the utility model are as follows: the waste water is discharged into the chemical sedimentation tank 1 through the waste water inlet 2, chemical agents are added into the waste water through the chemical agent inlet 3 to carry out heavy metal sedimentation, the filtering port 4 is opened after a period of time, the waste water is conveyed to the traditional aeration tank 7 through the filtering port 4 to be aerated, toxic gas generated by aeration is discharged into the harmful gas storage bin 16, the aerated waste water is conveyed into the high-pressure reverse osmosis device 8 to be subjected to membrane separation, purification and concentration by pressure, heavy metals in the waste water are further separated, the separated waste water is conveyed into the evaporator 9, the sealing device is arranged inside the evaporator 9, efficient evaporation can be carried out to desalt salt in the evaporation process, water vapor is pumped out by the air pipe 10 after a period of time, the water vapor is discharged, cooled condensate is conveyed to the centrifugal bin 13, centrifugal motion is driven by the centrifugal pump 14 to further separate the internal salt, the microporous aeration head 15 arranged between the centrifugal bin 13 and the water purification chamber 17 is used for further separation of the generated harmful gas, and finally the fresh water is discharged through the water outlet 18.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a high salt effluent treatment plant who contains heavy metal, includes chemical precipitation pond (1), its characterized in that: chemical precipitation pond (1) one end is connected with waste water entry (2), chemical precipitation pond (1) one end is connected with chemical agent entry (3), chemical precipitation pond (1) inner wall is provided with filter port (4), filter port (4) one end is provided with outlet pipe (5), chemical precipitation pond (1) bottom is provided with crystallization storehouse (6), outlet pipe (5) one end is provided with traditional aeration tank (7), traditional aeration tank (7) top is provided with harmful gas and stores storehouse (16), aeration tank one end is provided with high-pressure reverse osmosis unit (8), high-pressure reverse osmosis unit (8) one side is provided with evaporimeter (9), evaporimeter (9) top is provided with tuber pipe (10), tuber pipe (10) one end is provided with fan (11), fan (11) one end is provided with air outlet (12), evaporimeter (9) one end is provided with centrifugal storehouse (13), centrifugal storehouse (13) inside is provided with centrifugal pump (14), centrifugal storehouse (13) one end is provided with micropore aeration head (15), micropore head (17) one end is provided with water purification room (17).

2. The heavy metal-containing high-salt wastewater treatment device according to claim 1, wherein: the traditional aeration tank (7) adopts a scattered flow aerator.

3. The heavy metal-containing high-salt wastewater treatment device according to claim 1, wherein: the crystallization bin (6) comprises a bin body (60), an anti-corrosion bin gate (61), a first sliding groove (62) and a second sliding groove (63), the bottom of the crystallization bin (6) is the bin body (60), the anti-corrosion bin gate (61) is movably mounted at the top of the bin body (60), the left end and the right end of the top of the bin body (60) are fixedly provided with the vertical first sliding groove (62), and the upper end and the lower end of the anti-corrosion bin gate (61) and the upper end and the lower end of the bin body (60) are provided with only the transverse second sliding groove (63).

4. The heavy metal-containing high-salt wastewater treatment device according to claim 1, wherein: three groups of microporous aeration heads (15) are fixedly arranged in the pipeline between the centrifugal bin (13) and the water purifying chamber (17).

5. The heavy metal-containing high-salt wastewater treatment device according to claim 1, wherein: the top parts of the traditional aeration tank (7) and the clean water tank are both connected with a harmful gas storage bin (16).

6. The heavy metal-containing high-salt wastewater treatment device according to claim 1, wherein: the top of the evaporator (9) is movably provided with a sealing device.

7. The heavy metal-containing high-salt wastewater treatment device according to claim 1, wherein: the filtering port (4) is movably provided with a cloth bag type filtering bag.