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CN210419598U - Hot galvanizing bath wastewater treatment device - Google Patents

Hot galvanizing bath wastewater treatment device Download PDF

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Publication number
CN210419598U
CN210419598U CN201920757591.5U CN201920757591U CN210419598U CN 210419598 U CN210419598 U CN 210419598U CN 201920757591 U CN201920757591 U CN 201920757591U CN 210419598 U CN210419598 U CN 210419598U
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CN
China
Prior art keywords
tank
acid
base neutralization
aeration
pipe
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Expired - Fee Related
Application number
CN201920757591.5U
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Chinese (zh)
Inventor
蒋康
章睿
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Sichuan Jianda Metal Components Co Ltd
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Sichuan Jianda Metal Components Co Ltd
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Priority to CN201920757591.5U priority Critical patent/CN210419598U/en
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Abstract

The utility model discloses a hot galvanizing bath effluent treatment plant, including acid-base neutralization pond, sedimentation tank, aeration tank and evaporation tank, the internally mounted of acid-base neutralization pond has the mounting panel, the metal filter screen is installed to the inboard of mounting panel, install electron PH meter on the inner wall of acid-base neutralization pond, the sedimentation tank has been placed to one side of acid-base neutralization pond, the aeration tank has been placed to one side of sedimentation tank, the air compressor machine is installed to the top of aeration tank, the internally mounted of aeration tank has the aeration pipe, the evaporation tank has been placed to one side of aeration tank, the internally mounted of evaporation tank has the electrothermal tube, the condenser has been placed to one side of evaporation tank. The utility model discloses a set up acid-base neutralization pond, sedimentation tank, aeration tank, evaporation tank, condenser, metal filter screen structure, solved in the hot-galvanize technology waste water treatment mode high efficiency thoroughly inadequately and lack the problem of physics filtering process.

Description

Hot galvanizing bath wastewater treatment device
Technical Field
The utility model relates to a hot galvanizing bath technical field specifically is a hot galvanizing bath effluent treatment plant.
Background
Hot dip galvanizing (galvanizing) is also known as hot dip galvanizing and hot dip galvanizing: the method is an effective metal corrosion prevention mode and is mainly used for metal structure facilities in various industries. The steel member after rust removal is immersed in molten zinc at about 500 ℃ to enable a zinc layer to be attached to the surface of the steel member, so that the aim of corrosion prevention is fulfilled. The hot galvanizing process flow comprises the following steps: pickling a finished product, washing with water, adding a plating assistant solution, drying, plating on a rack, cooling, medicating, cleaning, polishing and hot galvanizing. Hot galvanizing is a process technique for obtaining a coating by immersing metals such as steel, stainless steel, cast iron, etc. into molten liquid metal or alloy. Hot galvanizing is the most widely used and best performance-price ratio steel surface treatment method in the world today. The hot galvanizing product plays an immeasurable and irreplaceable role in reducing corrosion, prolonging service life, saving energy and materials of steel, and the coating steel is also a high value-added short-line product for national planting support and preferential development.
However, the prior art has the following defects:
1. in a hot galvanizing production process of steel, a large amount of waste water is often generated, the waste water contains a large amount of metal impurities, cannot reach the discharge standard, and needs to be treated, and the existing treatment mode is not thorough enough and not efficient enough;
2. when the waste water in the hot galvanizing process is treated, the waste water needs to be treated by a chemical method, but physical filtration impurities are also needed to reach the discharge standard.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a hot galvanizing bath effluent treatment plant to prior art's is not enough, the problem of thoroughly lacking the physics filtering process is high-efficient inadequately solved to the effluent treatment mode among the hot-galvanize technology.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hot galvanizing bath effluent treatment plant, includes acid-base neutralization pond, sedimentation tank, aeration tank and evaporation tank, the internally mounted of acid-base neutralization pond has the mounting panel, the metal filter screen is installed to the inboard of mounting panel, install electron PH meter on the inner wall of acid-base neutralization pond, the sedimentation tank has been placed to one side of acid-base neutralization pond, the aeration tank has been placed to one side of sedimentation tank, the air compressor machine is installed to the top of aeration tank, the internally mounted of aeration tank has the aeration pipe, the evaporation tank has been placed to one side of aeration tank, the internally mounted of evaporation tank has the electrothermal tube, the condenser has been placed to one side of evaporation tank.
Preferably, a first circulating pump is placed between the acid-base neutralization pond and the sedimentation pond, the input end of the first circulating pump is connected with the acid-base neutralization pond through a first water guide pipe, the output end of the first circulating pump is connected with the sedimentation pond through a first water outlet pipe, and a first filtering mechanism is arranged on the surface of the first water guide pipe.
Preferably, a second circulating pump is arranged between the sedimentation tank and the aeration tank, the input end of the second circulating pump is connected with the sedimentation tank through a second water guide pipe, the output end of the second circulating pump is connected with the aeration tank through a second water outlet pipe, and a second filtering mechanism is arranged on the surface of the second water guide pipe.
Preferably, a display screen is installed on the surface of the acid-base neutralization tank, the output end of the electronic pH meter is electrically connected with the input end of the display screen, the aeration tank and the evaporation tank are connected through a connecting pipe, and a control valve is installed on the surface of the connecting pipe.
Preferably, the output end of the air compressor is connected with the aeration pipe through a gas conveying pipe, a gas collecting hood is installed above the evaporation tank, the upper side of the gas collecting hood is connected with the condenser through a steam pipe, and a drain pipe is installed at the bottom of the condenser.
Preferably, the first filtering mechanism and the second filtering mechanism are identical in structure, activated carbon is placed in the first filtering mechanism, and filtering screens are installed on two sides of the activated carbon.
(III) advantageous effects
The utility model provides a hot galvanizing bath effluent treatment plant possesses following beneficial effect:
(1) the utility model discloses a set up acid-base neutralization pond, the sedimentation tank, the aeration tank, the evaporation tank, the condenser, make the utility model can handle the waste water in the hot-galvanize technology with high efficiency, make it reach the standard of discharging, the processing of metal ion is comparatively thorough, pollution reduction, thereby the problem that the waste water treatment mode is thorough enough high efficiency in the hot-galvanize technology is effectively solved, when carrying out the processing of hot-galvanize waste water, let waste water in acid-base neutralization pond, utilize the electronic PH meter of acid-base neutralization pond inside to carry out the detection of pH valve, and show on the surface of display screen, according to its pH valve height, add right amount acid-base neutralization solution in to acid-base neutralization pond, make it present neutral solution, through opening first circulating pump at last, utilize first aqueduct to lead to the sedimentation tank through first outlet pipe and deposit, after depositing, utilize the second aqueduct to derive the clear liquid of sedimentation tank upper strata through the second circulating pump, then the waste water is guided into the aeration tank through a second water outlet pipe, an air compressor is started to input compressed air, the compressed air is conveyed through a gas pipe, the solution in the aeration tank is subjected to aeration oxidation treatment after entering the interior of the aeration pipe, a control valve is opened again, the solution is guided into the evaporation tank through a connecting pipe, an electric heating pipe in the evaporation tank is started, the solution in the evaporation tank is heated to form salt, high-temperature steam is discharged upwards, the high-temperature steam is concentrated through a gas collecting hood and guided into a condenser through a steam pipe to be condensed, and condensed liquid drops are discharged through a drain pipe to achieve standard discharge of the.
(2) The utility model has the advantages that the metal filter screen is arranged, the utility model has the filtering structure, the granular impurities in the wastewater are filtered and adsorbed, the pollution in the wastewater is reduced, the treatment effect is improved, thereby effectively solving the problem of lacking of physical filtering process, filtering the wastewater by using a metal filter screen in a mounting plate in an acid-base neutralization tank before the wastewater enters the acid-base neutralization tank, and then entering the acid-base neutralization tank for neutralization operation after filtering, before entering the sedimentation tank, the wastewater is filtered and adsorbed by a first filtering mechanism on the surface of a first water guide pipe, the wastewater is firstly filtered by a filter screen in the first filtering mechanism, then is adsorbed by active carbon, is filtered by the filter screen and then is led out, and when the solution in the sedimentation tank enters the aeration tank, the solution is adsorbed and filtered by the second filtering mechanism to remove impurities in the solution and filter the solution to ensure that metal particles in the wastewater are reduced.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the appearance structure of the present invention;
FIG. 3 is an internal view of a first filter mechanism of the present invention;
fig. 4 is a top view of the mounting plate of the present invention.
The reference numbers in the figures are: 1. an electronic pH meter; 2. an acid-base neutralization tank; 3. a first water conduit; 4. a first filter mechanism; 5. a first circulation pump; 6. a first water outlet pipe; 7. a sedimentation tank; 8. a second water conduit; 9. a second filter mechanism; 10. a second circulation pump; 11. a second water outlet pipe; 12. an aeration pipe; 13. an aeration tank; 14. a control valve; 15. a connecting pipe; 16. an electric heating tube; 17. an evaporation tank; 18. a condenser; 19. a drain pipe; 20. mounting a plate; 21. a metal screen; 22. an air compressor; 23. a gas delivery pipe; 24. a gas-collecting hood; 25. a steam pipe; 26. a display screen; 27. a filter screen; 28. activated carbon.
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.
As shown in fig. 1-4, the utility model provides a technical solution: a hot galvanizing bath wastewater treatment device comprises an acid-base neutralization tank 2, a sedimentation tank 7, an aeration tank 13 and an evaporation tank 17, wherein a mounting plate 20 is arranged inside the acid-base neutralization tank 2, a metal filter screen 21 is arranged on the inner side of the mounting plate 20, an electronic PH meter 1 is arranged on the inner wall of the acid-base neutralization tank 2, the model of the electronic PH meter 1 is XEK20-2211X, the hot galvanizing bath wastewater treatment device belongs to the prior art, the sedimentation tank 7 is arranged on one side of the acid-base neutralization tank 2, a first circulating pump 5 is arranged between the acid-base neutralization tank 2 and the sedimentation tank 7, the input end of the first circulating pump 5 is connected with the acid-base neutralization tank 2 through a first water guide pipe 3, the output end of the first circulating pump 5 is connected with the sedimentation tank 7 through a first water outlet pipe 6, a first filtering mechanism 4 is arranged on the surface of the first water guide pipe 3, the aeration tank 13 is arranged on one side of the sedimentation tank 7, a second, the input end of a second circulating pump 10 is connected with a sedimentation tank 7 through a second water guide pipe 8, the output end of the second circulating pump 10 is connected with an aeration tank 13 through a second water outlet pipe 11, a second filter mechanism 9 is installed on the surface of the second water guide pipe 8, the models of the first circulating pump 5 and the second circulating pump 10 are IRG50-160IA, the sedimentation tank belongs to the prior art, the first filter mechanism 4 and the second filter mechanism 9 have the same structure, activated carbon 28 is placed inside the first filter mechanism 4, filter screens 27 are installed on two sides of the activated carbon 28, before wastewater enters the acid-base neutralization tank 2, a metal filter screen 21 in a mounting plate 20 in the acid-base neutralization tank 2 is used for filtering, after filtering, the wastewater enters the acid-base neutralization tank 2 for neutralization operation, before entering the sedimentation tank 7, the first filter mechanism 4 on the surface of the first water guide pipe 3 is used for filtering and adsorbing, the wastewater firstly passes through the filter screen 27 in the first filter mechanism 4, then the waste water is adsorbed by the active carbon 28 and is filtered by the filter screen 27 and then is led out, when the solution in the sedimentation tank 7 enters the aeration tank 13, the solution is also adsorbed and filtered by the second filtering mechanism 9 to remove impurities therein and filter the solution to ensure that the metal particles in the waste water are reduced, an air compressor 22 is arranged above the aeration tank 13, the type of the air compressor 22 is HG330L-8, the aeration tank 13 is provided with an aeration pipe 12 inside, one side of the aeration tank 13 is provided with an evaporation tank 17, the surface of the acid-base neutralization tank 2 is provided with a display screen 26, the output end of the electronic PH meter 1 is electrically connected with the input end of the display screen 26, the aeration tank 13 and the evaporation tank 17 are connected through a connecting pipe 15, the surface of the connecting pipe 15 is provided with a control valve 14, the evaporation tank 17 is internally provided with an electric heating pipe 16, the type of the electric heating pipe 16 is RE, a condenser 18 is arranged at one side of an evaporation tank 17, the type of the condenser 18 is TYLNQ001, which belongs to the prior art, the output end of an air compressor 22 is connected with an aeration pipe 12 through an air delivery pipe 23, a gas collecting hood 24 is arranged above the evaporation tank 17, the upper part of the gas collecting hood 24 is connected with the condenser 18 through a steam pipe 25, a drain pipe 19 is arranged at the bottom of the condenser 18, when the hot galvanizing wastewater is treated, the wastewater is introduced into an acid-base neutralization tank 2, the pH value is detected by using an electronic pH meter 1 in the acid-base neutralization tank 2, and is displayed on the surface of a display screen 26, according to the pH value, a proper amount of acid-base neutralization liquid is added into the acid-base neutralization tank 2 to enable the acid-base neutralization liquid to be neutral solution, finally, a first circulating pump 5 is started, a first water guide pipe 3 is used for guiding into a sedimentation tank 7 through a first water outlet pipe 6, after sedimentation, the clear liquid at the upper layer of the sedimentation tank 7 is guided out through a, then the waste water is guided into the aeration tank 13 through the second water outlet pipe 11, compressed air is input by starting an air compressor 22, the compressed air is conveyed through a gas conveying pipe 23, enters the aeration pipe 12 to carry out aeration oxidation treatment on the solution in the aeration tank 13, then the control valve 14 is opened, the compressed air is guided into the evaporation tank 17 through a connecting pipe 15, an electric heating pipe 16 in the evaporation tank 17 is started to heat the solution in the evaporation tank 17 to form salt, high-temperature steam is upwards discharged, the high-temperature steam is concentrated through a gas collecting hood 24 and is guided into a condenser 18 through a steam pipe 25 to be condensed, and condensed liquid drops are discharged through a water discharge pipe 19, so that the standard discharge.
The working principle is as follows: when in use, the utility model utilizes an external controller to carry out overall control when the hot galvanizing waste water is treated, before the waste water enters the acid-base neutralization tank 2, the metal filter screen 21 in the mounting plate 20 in the acid-base neutralization tank 2 is utilized to carry out filtration, the waste water enters the acid-base neutralization tank 2 after filtration to carry out neutralization operation, the electronic PH meter 1 in the acid-base neutralization tank 2 is utilized to detect the pH value and the pH value is displayed on the surface of the display screen 26, and according to the pH value, a proper amount of acid-base neutralization liquid is added into the acid-base neutralization tank 2 to lead the acid-base neutralization liquid to be neutral solution, finally, by opening the first circulating pump 5, the first water guide pipe 3 is utilized to be guided into the sedimentation tank 7 through the first water outlet pipe 6 to carry out sedimentation, before entering the sedimentation tank 7, the first water guide pipe 3 is filtered and adsorbed through the first filter mechanism 4 on the surface, the waste water is filtered through the filter screen 27 in the first filter mechanism 4, then the supernatant in the sedimentation tank 7 is led out by a second water guide pipe 8 through a second circulating pump 10 after being adsorbed by activated carbon 28 and then is led into an aeration tank 13 through a second water outlet pipe 11 after being filtered by a filter screen 27, and when the solution in the sedimentation tank 7 enters the aeration tank 13, the solution is adsorbed and filtered by a second filtering mechanism 9 to remove impurities therein and is filtered, an air compressor 22 is started to input compressed air and is conveyed through a gas conveying pipe 23, the compressed air enters the aeration tank 12 to carry out aeration oxidation treatment on the solution in the aeration tank 13, a control valve 14 is opened, the solution is led into an evaporation tank 17 through a connecting pipe 15, an electric heating pipe 16 in the evaporation tank 17 is started to heat the solution in the evaporation tank to form salt, high-temperature steam is discharged upwards and is concentrated by a gas collecting hood 24 and led into a condenser 18 through a steam pipe 25 to be condensed, the condensed liquid drops are discharged through a drain pipe 19, and the standard discharge of the waste water is completed.
To sum up, the utility model discloses a set up acid-base neutralization pond 2, sedimentation tank 7, aeration tank 13, evaporation tank 17, condenser 18, metal screen 21 structure, solved the problem of thoroughly and lacking the physics filtering process of high efficiency inadequately of waste water treatment mode among the hot-galvanize technology.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a hot galvanizing bath effluent treatment plant, includes acid-base neutralization pond (2), sedimentation tank (7), aeration tank (13) and evaporation pond (17), its characterized in that: the utility model discloses an acid-base neutralization pond, including acid-base neutralization pond (2), the internally mounted of acid-base neutralization pond (2) has mounting panel (20), metal filter screen (21) are installed to the inboard of mounting panel (20), install electron PH meter (1) on the inner wall of acid-base neutralization pond (2), sedimentation tank (7) have been placed to one side of acid-base neutralization pond (2), aeration tank (13) have been placed to one side of sedimentation tank (7), air compressor machine (22) have been installed to the top of aeration tank (13), the internally mounted of aeration tank (13) has aeration pipe (12), evaporation tank (17) have been placed to one side of aeration tank (13), the internally mounted of evaporation tank (17) has electrothermal tube (16), condenser (18) have been placed to one side of evaporation tank (17).
2. The hot galvanizing bath wastewater treatment device according to claim 1, characterized in that: placed first circulating pump (5) between acid-base neutralization pond (2) and sedimentation tank (7), the input of first circulating pump (5) is connected with acid-base neutralization pond (2) through first aqueduct (3), the output of first circulating pump (5) is connected with sedimentation tank (7) through first outlet pipe (6), and the surface mounting of first aqueduct (3) has first filter mechanism (4).
3. The hot galvanizing bath wastewater treatment device according to claim 1, characterized in that: a second circulating pump (10) is placed between the sedimentation tank (7) and the aeration tank (13), the input end of the second circulating pump (10) is connected with the sedimentation tank (7) through a second water guide pipe (8), the output end of the second circulating pump (10) is connected with the aeration tank (13) through a second water outlet pipe (11), and a second filtering mechanism (9) is installed on the surface of the second water guide pipe (8).
4. The hot galvanizing bath wastewater treatment device according to claim 3, characterized in that: the surface of the acid-base neutralization tank (2) is provided with a display screen (26), the output end of the electronic PH meter (1) is electrically connected with the input end of the display screen (26), the aeration tank (13) is connected with the evaporation tank (17) through a connecting pipe (15), and the surface of the connecting pipe (15) is provided with a control valve (14).
5. The hot galvanizing bath wastewater treatment device according to claim 1, characterized in that: the output end of the air compressor (22) is connected with the aeration pipe (12) through an air conveying pipe (23), a gas collecting hood (24) is installed above the evaporation tank (17), the top of the gas collecting hood (24) is connected with the condenser (18) through a steam pipe (25), and a drain pipe (19) is installed at the bottom of the condenser (18).
6. The hot galvanizing bath wastewater treatment device according to claim 3, characterized in that: the structure of first filter mechanism (4) is the same with second filter mechanism (9), activated carbon (28) have been placed to the inside of first filter mechanism (4), filter screen (27) are installed to the both sides of activated carbon (28).
CN201920757591.5U 2019-05-24 2019-05-24 Hot galvanizing bath wastewater treatment device Expired - Fee Related CN210419598U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920757591.5U CN210419598U (en) 2019-05-24 2019-05-24 Hot galvanizing bath wastewater treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920757591.5U CN210419598U (en) 2019-05-24 2019-05-24 Hot galvanizing bath wastewater treatment device

Publications (1)

Publication Number Publication Date
CN210419598U true CN210419598U (en) 2020-04-28

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Application Number Title Priority Date Filing Date
CN201920757591.5U Expired - Fee Related CN210419598U (en) 2019-05-24 2019-05-24 Hot galvanizing bath wastewater treatment device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112047518A (en) * 2020-08-08 2020-12-08 安徽汇源镀锌有限公司 Hot galvanizing wastewater treatment equipment for metal products

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112047518A (en) * 2020-08-08 2020-12-08 安徽汇源镀锌有限公司 Hot galvanizing wastewater treatment equipment for metal products

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Granted publication date: 20200428