Water treatment equipment

Abstract

The water treatment equipment comprises a water inlet pipe, a water outlet pipe, a filter cavity, a liquid distribution pipe, an acid liquor tank, an electrolytic tank, a liquid outlet pipe, a circulating pipe and a pump body, the water inlet pipe and the water outlet pipe are arranged on the two sides of the filter cavity respectively, the filter cavity is filled with activated carbon, the top of the liquid distribution pipe is connected with the bottom of the acid liquor tank, and the top of the liquid distribution pipe is connected with the bottom of the acid liquor tank. The liquid distribution pipe is horizontally arranged at the top of the filtering cavity in an extending manner, a plurality of liquid outlets are formed in the liquid distribution pipe, the top ends of the liquid outlet pipes are connected with the bottom of the filtering cavity, the bottom ends of the liquid outlet pipes are connected with the electrolytic bath, an anode and a cathode are arranged in the electrolytic bath, a power supply is arranged at the top of the electrolytic bath, and the power supply is connected with the electrolytic bath. The power supply is respectively and electrically connected with the anode and the cathode, the circulating pipe is respectively connected with the electrolytic tank and the acid liquor tank, and the pump body is arranged on the circulating pipe. The technical scheme is used for solving the problems of low efficiency and environmental pollution in the existing heavy metal low-concentration wastewater treatment.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewage treatment, and particularly relates to a water treatment device. Background Art

[0002] With the increase of industrial activities, heavy metals such as lead (Pb), cadmium (Cd), mercury (Hg), chromium (Cr), copper (Cu), zinc (Zn), etc., are widely used in various industrial processes. They can enter water bodies through wastewater discharge, posing a threat to the environment and human health.

[0003] In the production process of silver ingots, a large amount of wastewater containing heavy metal ions is generated. The existing treatment methods mainly remove heavy metals in wastewater through physical filtration, biological treatment, and chemical flocculation. A large amount of flocculant is required in chemical flocculation operations. After biological treatment, the concentration of heavy metals in the wastewater is relatively low. The chemical flocculation method has problems of high treatment cost and low efficiency, and there are also environmental protection problems. If chemical flocculation treatment is not carried out, the heavy metals in the wastewater cannot meet the discharge standards. Therefore, it is very necessary to develop a more efficient, environmentally friendly, and easy-to-maintain heavy metal sewage treatment device. Summary of the Utility Model

[0004] In view of the above existing technical problems, the utility model provides a water treatment device to solve the problems of low efficiency and environmental unfriendliness in the existing treatment of heavy metal low-concentration wastewater. The water treatment device has a high treatment efficiency, and at the same time, through the recycling of materials, the impact on the environment is greatly reduced.

[0005] The utility model provides a water treatment device, which includes a water inlet pipe, a water outlet pipe, a filtration chamber, a liquid distribution pipe, an acid tank, an electrolytic cell, a liquid outlet pipe, a circulation pipe, and a pump body. The water inlet pipe and the water outlet pipe are respectively arranged on both sides of the filtration chamber. The filtration chamber is filled with activated carbon. The top of the liquid distribution pipe is connected to the bottom of the acid tank. The liquid distribution pipe is horizontally extended and arranged on the top of the filtration chamber. The liquid distribution pipe is provided with a plurality of liquid outlet openings. The top end of the liquid outlet pipe is connected to the bottom of the filtration chamber, and the bottom end of the liquid outlet pipe is connected to the electrolytic cell. An anode and a cathode are arranged in the electrolytic cell. A power supply is arranged on the top of the electrolytic cell. The power supply is electrically connected to the anode and the cathode respectively. The circulation pipe is respectively connected to the electrolytic cell and the acid tank. The pump body is arranged on the circulation pipe.

[0006] Further, a first valve is arranged on the water inlet pipe, a second valve is arranged on the water outlet pipe, a third valve is arranged at the top end of the liquid distribution pipe, and a fourth valve is arranged on the liquid outlet pipe.

[0007] Further, an anti-corrosion layer is arranged on the inner wall of the filtration chamber.

[0008] When this water treatment equipment treats heavy metal wastewater with low concentration, the wastewater can be introduced into the filtration chamber through the water inlet pipe. The activated carbon in the filtration chamber adsorbs and enriches heavy metal ions, and then the treated wastewater is discharged through the water outlet pipe. When the concentration of heavy metal ions in the activated carbon reaches the critical value, acid solution can be introduced into the filtration chamber through the acid solution tank, so that the heavy metal ions in the activated carbon are desorbed and enter the electrolytic cell with the acid solution. The heavy metals are precipitated through the electrolytic cell, and then the acid solution is introduced into the acid solution tank through the circulation pipe to realize the recycling of materials. Brief Description of the Drawings

[0009] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0010] Figure 1 It is a schematic structural diagram of a water treatment equipment. Detailed Embodiments

[0011] The present invention discloses a water treatment equipment, which has a high treatment efficiency and greatly reduces the impact on the environment through the recycling of materials.

[0012] The following will clearly and completely describe the technical solutions in the present invention with reference to the drawings in the present invention. Obviously, what is described is only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0013] See Figure 1As shown in the figure, the utility model discloses a water treatment device, which includes a water inlet pipe 3, a water outlet pipe 10, a filtration chamber 11, a liquid distribution pipe 7, an acid solution tank 6, an electrolytic cell 14, a liquid outlet pipe 13, a circulation pipe 2 and a pump body 1. The water inlet pipe 3 and the water outlet pipe 10 are respectively arranged on both sides of the filtration chamber 11. The filtration chamber 11 is filled with activated carbon. The top of the liquid distribution pipe 7 is connected to the bottom of the acid solution tank 6. The liquid distribution pipe 7 is horizontally extended and arranged on the top of the filtration chamber 11. The liquid distribution pipe 7 is provided with a plurality of liquid outlet openings 8. The top end of the liquid outlet pipe 13 is connected to the bottom of the filtration chamber 11, and the bottom end of the liquid outlet pipe 13 is connected to the electrolytic cell 14. An anode 15 and a cathode 16 are arranged in the electrolytic cell 14. A power supply 17 is arranged on the top of the electrolytic cell 14. The power supply 17 is electrically connected to the anode 15 and the cathode 16 respectively. The circulation pipe 2 is respectively connected to the electrolytic cell 14 and the acid solution tank 6. The pump body 1 is arranged on the circulation pipe 2.

[0014] A first valve 4 is arranged on the water inlet pipe 3, a second valve 9 is arranged on the water outlet pipe 10, a third valve 5 is arranged at the top end of the liquid distribution pipe 7, and a fourth valve 12 is arranged on the liquid outlet pipe 13.

[0015] An anti-corrosion layer is arranged on the inner wall of the filtration chamber 11.

[0016] When the water treatment device is used to treat heavy metal low-concentration wastewater, the wastewater can be introduced into the filtration chamber 11 through the water inlet pipe 3. The activated carbon in the filtration chamber 11 adsorbs and enriches heavy metal ions, and then the treated wastewater is led out through the water outlet pipe 10. When the concentration of heavy metal ions in the activated carbon reaches the critical value, acid solution can be introduced into the filtration chamber 11 through the acid solution tank 6, so that the heavy metal ions in the activated carbon are desorbed and enter the electrolytic cell 14 along with the acid solution. The heavy metals are precipitated through the electrolytic cell 14, and then the acid solution is introduced into the acid solution tank 6 through the circulation pipe 2 to realize the recycling of materials.

[0017] The above content is a further detailed description of the present utility model in combination with specific preferred embodiments. It cannot be determined that the specific implementation of the present utility model is only limited to these descriptions. For those of ordinary skill in the technical field to which the present utility model belongs, without departing from the concept of the present utility model, several simple deductions or substitutions can still be made, which should all be regarded as belonging to the protection scope of the present utility model.

Claims

1. A water treatment device, characterized in that, It includes a water inlet pipe, a water outlet pipe, a filtration chamber, a liquid distribution pipe, an acid solution tank, an electrolytic cell, a liquid outlet pipe, a circulation pipe and a pump body. The water inlet pipe and the water outlet pipe are respectively arranged on both sides of the filtration chamber. The filtration chamber is filled with activated carbon. The top of the liquid distribution pipe is connected to the bottom of the acid solution tank. The liquid distribution pipe is horizontally extended and arranged on the top of the filtration chamber. The liquid distribution pipe is provided with a plurality of liquid outlet ports. The top end of the liquid outlet pipe is connected to the bottom of the filtration chamber. The bottom end of the liquid outlet pipe is connected to the electrolytic cell. An anode and a cathode are arranged in the electrolytic cell. A power supply is arranged on the top of the electrolytic cell. The power supply is electrically connected to the anode and the cathode respectively. The circulation pipe is respectively connected to the electrolytic cell and the acid solution tank. The pump body is arranged on the circulation pipe.

2. The water treatment device according to claim 1, wherein A first valve is arranged on the water inlet pipe. A second valve is arranged on the water outlet pipe. A third valve is arranged on the top end of the liquid distribution pipe. A fourth valve is arranged on the liquid outlet pipe.

3. A water treatment device according to claim 1, wherein An anti-corrosion layer is arranged on the inner wall of the filtration chamber.

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