Precipitation and filtration co-treatment device for copper smelting acidic wastewater

Abstract

The utility model relates to a copper smelting acidic wastewater precipitation and filtration co-processing device, and belongs to the technical field of copper smelting. Comprising a sedimentation tank, a filtering assembly and a slag scraping plate, a sedimentation tank is arranged on the bottom plate, a guide plate is arranged at the top of the inner wall of the sedimentation tank, a filter assembly is arranged below the guide plate, and a foam treatment cavity is arranged below the filter assembly; a rotating shaft is rotationally mounted in the foam treatment cavity, a slag scraping plate is fixedly mounted at the upper end of the rotating shaft, and a collecting groove is obliquely formed in the slag scraping plate; a sewage discharge channel is formed in the rotating shaft, the upper end of the sewage discharge channel is communicated with the collecting tank, and the lower end of the sewage discharge channel is connected with a sewage discharge pipeline through a rotating joint. According to the sewage treatment device, after sewage is filtered through the filtering assembly, pollutants in the sewage are carried to the surface layer of liquid by utilizing foams generated during falling of the sewage, and then the foams are removed by utilizing the slag scraping plate, so that the purpose of removing micro pollutants in the sewage is achieved, and the cleanliness of the sewage after sewage treatment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to copper smelting technical field especially relates to a copper smelting polluted acid sewage sedimentation filtration collaborative treatment device. BACKGROUND

[0002] Copper smelting is generally referred to as the formation process from copper concentrate to refined copper, and is mainly divided into two technical routes of pyrometallurgy and hydrometallurgy, pyrometallurgy is mainly copper sulfide concentrate, and electrolytic copper is formed through smelting, blowing, fire refining, electrolytic refining and other links, while hydrometallurgy is mainly copper oxide ore, and electrolytic copper is formed through leaching, extraction and other links.

[0003] At present, polluted acid sewage is generated during copper smelting, and when the polluted acid sewage is treated, the polluted acid sewage is usually treated by sedimentation and filtration, and the treatment effect of the polluted acid sewage is poor, therefore, the copper smelting polluted acid sewage sedimentation filtration collaborative treatment device is provided to solve the above problems. UTILITY MODEL CONTENT

[0004] In order to solve or partially solve the problems in the related art, the utility model provides a copper smelting polluted acid sewage sedimentation filtration collaborative treatment device, aiming to provide a new polluted acid sewage treatment device.

[0005] The copper smelting polluted acid sewage sedimentation filtration collaborative treatment device comprises a bottom plate, a sedimentation tank, a filter assembly, a slag scraping plate, and the like.

[0006] The bottom plate is provided with the sedimentation tank, the upper portion of the sedimentation tank is provided with a water inlet pipeline, the inner wall top of the sedimentation tank is provided with a flow guide plate, the lower portion of the flow guide plate is provided with the filter assembly, the lower portion of the filter assembly is provided with a foam treatment cavity, and the sidewall bottom of the foam treatment cavity is provided with a drain pipe.

[0007] A rotating shaft is rotatably installed in the foam treatment cavity, a slag scraping plate is fixedly installed on the upper end of the rotating shaft, and a collecting groove is obliquely arranged on the slag scraping plate.

[0008] The lower end of the rotating shaft is connected with the output shaft of a motor installed at the bottom of the bottom plate.

[0009] In some schemes, the filter assembly comprises a first filter screen, a second filter screen and a third filter screen arranged in sequence from top to bottom, and the mesh diameters of the first filter screen, the second filter screen and the third filter screen gradually decrease.

[0010] In some schemes, the bottom plate is provided with a gas supply pump, and the gas outlet end of the gas supply pump is communicated with the foam treatment cavity through a gas conveying pipeline.

[0011] In some schemes, the bottom plate is provided with a sewage pump and a filter, the water inlet end of the sewage pump is communicated with the bottom of the foam treatment cavity through a water pumping pipeline, the water outlet end of the sewage pump is connected with the water inlet end of the filter through a water conveying pipeline, the water outlet end of the filter is communicated with the foam treatment cavity through a backflow pipe, and the backflow pipe is provided with an adjusting valve.

[0012] The technical scheme provided by the utility model can have the following beneficial effects:

[0013] After the sewage is filtered by the filter assembly, the pollutants in the sewage are carried to the surface layer of the liquid by the foam generated when the sewage falls, and then the foam is removed by the slag scraping plate, so that the purpose of removing the small pollutants in the sewage is achieved, and the cleanliness of the sewage after treatment is improved.

[0014] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory, and cannot limit the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0015] The above and other objects, features and advantages of the utility model will become more apparent from the following detailed description of exemplary embodiments of the utility model, taken in conjunction with the accompanying drawings in which like reference characters refer to like parts throughout the several views, and in which the exemplary embodiments of the utility model are shown.

[0016] Figure 1 is a structural schematic view of the sewage treatment device shown in the utility model embodiment;

[0017] Figure 2 is another structural schematic view of the sewage treatment device shown in the utility model embodiment;

[0018] Figure 3 is an internal structural schematic view of the sewage treatment device shown in the utility model embodiment;

[0019] Figure 4 is still another structural schematic view of the sewage treatment device shown in the utility model embodiment.

[0020] Reference signs:

[0021] 1, bottom plate; 2, sedimentation tank; 3, filter assembly; 301, primary filter screen; 302, secondary filter screen; 303, tertiary filter screen; 4, slag scraping plate; 401, collection tank; 5, water inlet pipe; 6, guide plate; 7, foam treatment cavity; 8, drain pipe; 9, rotating shaft; 901, sewage discharge channel; 10, rotary joint; 11, sewage discharge pipe; 12, motor; 13, air supply pump; 14, air supply pipe; 15, sewage pump; 16, filter; 17, water suction pipe; 18, water supply pipe; 19, backflow pipe; 20, regulating valve. DETAILED DESCRIPTION

[0022] The utility model will be described in further detail below in combination with the drawings and specific embodiments, but the protection scope of the utility model is not limited to the content.

[0023] As Figures 1-4 shown, the application provides a copper smelting waste acid sewage sedimentation and filtration collaborative treatment device, including bottom plate 1, sedimentation tank 2, filter assembly 3, slag scraping plate 4.

[0024] The bottom plate 1 is provided with the sedimentation tank 2, the upper portion of the sedimentation tank 2 is provided with the water inlet pipe 5, and the water inlet pipe is connected with the sewage discharge pipe to guide the waste acid sewage needing to be treated; the inner wall top of the sedimentation tank 2 is provided with the guide plate 6, the guide plate 6 is roughly conical, which is conducive to the generation of turbulence; in some specific embodiments, the top surface of the guide plate 6 is provided with spiral guide strips (not shown in the figure), so that the waste acid sewage prolongs its flow path and forms vortex; the lower portion of the filter assembly 3 is provided with the foam treatment cavity 7, the bottom portion of the side wall of the foam treatment cavity 7 is provided with the drain pipe 8, and the drain pipe 8 is used to guide the waste acid sewage treated.

[0025] The rotating shaft 9 is rotatably installed in the foam treatment cavity 7, the upper end of the rotating shaft 9 is fixedly installed with the slag scraping plate 4, and the collection tank 401 is arranged on the inclined slag scraping plate 4; the sewage discharge channel 901 is constructed in the rotating shaft 9, the upper end of the sewage discharge channel 901 is communicated with the collection tank 401, the rotating shaft 9 is provided with the rotary joint 10, the rotating end interface of the rotary joint 10 is communicated with the lower end of the sewage discharge channel 901, and the fixed end joint of the rotary joint 10 is connected with the sewage discharge pipe 11.

[0026] The lower end of the rotating shaft 9 is connected with the output shaft of the motor 12 installed at the bottom of the bottom plate 1.

[0027] In operation, the waste acid sewage to be treated is introduced from the water inlet pipe 5 into the flow guide plate 6 above the sedimentation tank 2, flows to the filter assembly 3 after the flow guide plate 6 for filtration, the filtered sewage enters the foam treatment cavity 7 for further treatment, and finally is discharged from the drain pipe 8. It is conceivable that a valve is arranged on the drain pipe 8 in use, and the valve can be controlled according to the need to realize quantitative treatment or continuous treatment of the sewage.

[0028] In the foam treatment cavity 7, the sewage filtered by the filter assembly 3 falls into the foam treatment cavity 7 to generate foam, and the foam carries the pollutants in the sewage to float to the surface of the liquid; then the motor 12 is powered to rotate to drive the slag scraping plate 4 to rotate through the rotating shaft 9, and the foam floating on the surface of the sewage is sequentially discharged through the collection groove 401, the sewage discharge channel 901, the rotary joint 10 and the sewage discharge pipe 11, which is beneficial to improve the treatment effect of the sewage.

[0029] After the sewage is filtered by the filter assembly 3, the foam generated when the sewage falls is used to carry the pollutants in the sewage to the surface layer of the liquid, and then the slag scraping plate 4 is used to remove the foam to achieve the purpose of removing the small pollutants in the sewage, which is beneficial to improve the cleanliness of the sewage after treatment.

[0030] In this embodiment, the filter assembly 3 includes a first filter screen 301, a second filter screen 302 and a third filter screen 303 arranged in sequence from top to bottom, and the mesh diameters of the first filter screen 301, the second filter screen 302 and the third filter screen 303 gradually decrease, so that when the sewage passes through the first filter screen 301, the second filter screen 302 and the third filter screen 303, a step-by-step filtering effect is formed to gradually filter particles of different sizes, and at the same time, the filtering capacity of the filter assembly 3 is effectively improved through step-by-step filtration.

[0031] In this embodiment, the bottom plate 1 is provided with a gas supply pump 13, and the gas outlet end of the gas supply pump 13 is communicated with the foam treatment cavity 7 through a gas conveying pipe 14, so that in operation, the gas supply pump 13 outputs high-pressure air which is then input into the sewage in the foam treatment cavity 7 through the gas conveying pipe 14, thereby increasing the amount of foam generated in the foam treatment cavity 7 and improving the removal rate of the pollutants in the sewage.

[0032] In the embodiment, the bottom plate 1 is provided with a sewage pump 15 and a filter 16, the water inlet end of the sewage pump 15 is communicated with the bottom of the foam treatment cavity 7 through a water pumping pipe 17, the water outlet end of the sewage pump 15 is connected with the water inlet end of the filter 16 through a water conveying pipe 18, the water outlet end of the filter 16 is communicated with the foam treatment cavity 7 through a backflow pipe 19, and the backflow pipe 19 is provided with an adjusting valve 20; during operation, the sewage pump 15 pumps water from the foam treatment cavity 7, then introduces the water into the filter 16 for re-filtering, and then introduces the water into the foam treatment cavity 7, so that the liquid in the foam treatment cavity 7 is circularly filtered, and the sewage treatment effect is further improved.

[0033] The above has described the embodiments of the present application, and the above description is exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles of the embodiments, practical application or improvement of the technology in the market, or enable other ordinary skilled in the art to understand the disclosed embodiments.

Claims

1. A co-treatment device for sedimentation and filtration of copper smelting wastewater, characterized in that: Including the bottom plate (1), the sedimentation tank (2), the filter assembly (3), the slag scraping plate (4); The bottom plate (1) is provided with a sedimentation tank (2), the upper portion of the sedimentation tank (2) is provided with a water inlet pipeline (5), the inner wall top of the sedimentation tank (2) is provided with a guide plate (6), the lower portion of the guide plate (6) is provided with a filter assembly (3), the lower portion of the filter assembly (3) is provided with a foam treatment cavity (7), the sidewall bottom of the foam treatment cavity (7) is provided with a drain pipe (8); The rotating shaft (9) is rotatably installed in the foam treatment cavity (7), the upper end of the rotating shaft (9) is fixedly installed with a slag scraping plate (4), the slag scraping plate (4) is provided with a collecting groove (401) in an inclined manner; a blowdown channel (901) is formed in the rotating shaft (9), the upper end of the blowdown channel (901) is communicated with the collecting groove (401), a rotary joint (10) is arranged on the rotating shaft (9), the rotating end interface of the rotary joint (10) is communicated with the lower end of the blowdown channel (901), and the fixed end joint of the rotary joint (10) is connected with a blowdown pipeline (11); The lower end of the rotating shaft (9) is connected with the output shaft of a motor (12) installed at the bottom of the bottom plate (1).

2. The copper smelting waste acid wastewater sedimentation and filtration co-processing device according to claim 1, characterized in that: The filter assembly (3) comprises a first filter screen (301), a second filter screen (302) and a third filter screen (303) arranged in sequence from top to bottom, and the mesh diameters of the first filter screen (301), the second filter screen (302) and the third filter screen (303) gradually decrease.

3. The copper smelting waste acid wastewater sedimentation and filtration co-processing device according to claim 1, characterized in that: An air supply pump (13) is arranged on the bottom plate (1), and the air outlet end of the air supply pump (13) is communicated with the foam treatment cavity (7) through an air conveying pipeline (14).

4. The copper smelting waste acid wastewater sedimentation and filtration co-processing device according to claim 1, characterized in that: A sewage pump (15) and a filter (16) are arranged on the bottom plate (1), the water inlet end of the sewage pump (15) is communicated with the bottom of the foam treatment cavity (7) through a water pumping pipeline (17), the water outlet end of the sewage pump (15) is connected with the water inlet end of the filter (16) through a water conveying pipeline (18), the water outlet end of the filter (16) is communicated with the foam treatment cavity (7) through a backflow pipe (19), and an adjusting valve (20) is arranged on the backflow pipe (19).

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