CN203845905U - Industrial wastewater heavy metal recovery purification device - Google Patents

Abstract

The utility model relates to a water purification device for recovering heavy metals from industrial wastewater, comprising a primary filter tank, a heavy metal sedimentation tank and a fine filter tank. The primary filter tank includes a waste water inlet arranged on the upper side, a coarse filter layer arranged inside and The fine filter layer arranged at the rear end of the coarse filter layer; the bottom of the primary filter tank is provided with an inclined sewage collection pool bottom; the front ends of the coarse filter layer and the fine filter layer are respectively provided with sewage outlets; the primary filter tank and the The heavy metal sedimentation tank is connected through the first water pipe and the first water pump arranged on the first water pipe; the first water pipe is respectively connected to the top of the rear end of the coarse filter layer of the primary filter tank and the middle part of the heavy metal sedimentation tank. The industrial waste water heavy metal recovery and purification device described in the utility model has a reasonable structure, easy maintenance, rapid precipitation and high working efficiency.

Description

A water purification device for recovering heavy metals from industrial wastewater

technical field

The utility model relates to the field of waste water treatment, in particular to a water purification device for recovering heavy metals from industrial waste water.

Background technique

Industrial wastewater refers to the wastewater, sewage and waste liquid produced in the process of industrial production, which contains industrial production materials, intermediate products and products lost with water, as well as pollutants produced in the production process. With the rapid development of industry, the types and quantities of wastewater have increased rapidly, and the pollution of water bodies has become increasingly widespread and serious, threatening human health and safety. With the continuous deepening of industrialization, the amount of industrial wastewater discharge is also increasing. Therefore, for the protection of the environment, the treatment of industrial wastewater is more important than the treatment of urban sewage. The existing heavy metal wastewater treatment requires complicated equipment operation and slow precipitation. , low work efficiency.

Contents of the invention

The technical problem to be solved by the utility model is: in order to overcome the above-mentioned problems, a water purification device for recovering heavy metals from industrial wastewater is provided, which has a reasonable structure, easy maintenance, rapid precipitation and high work efficiency.

The technical scheme adopted by the utility model to solve the technical problem is: a kind of industrial wastewater heavy metal recovery water purification device, including a primary filter tank, a heavy metal sedimentation tank and a fine filter tank. The entrance, the coarse filter layer arranged inside and the fine filter layer arranged at the rear end of the coarse filter layer; the bottom of the primary filter tank is provided with an inclined sewage collection pool bottom; the front end of the coarse filter layer and the fine filter layer are respectively provided with Sewage outlet; the primary filter and the heavy metal sedimentation tank are communicated through the first water pipe and the first water pump arranged on the first water pipe; the first water pipe communicates with the top of the rear end of the coarse filter layer of the primary filter and The middle part of the heavy metal sedimentation tank;

The heavy metal sedimentation tank is provided with an electrolysis device, and an ultrasonic sedimentation transmitter is provided on the upper side of the interior; the bottom of the metal sedimentation tank is provided with an inclined sedimentation tank bottom; the bottom side of the inclined sedimentation tank is provided with a sediment recovery collection port ; The electrolysis device includes a DC power supply and a positive electrode and a negative electrode that are electrically connected to the positive and negative poles of the DC power supply;

The fine filter is communicated with the heavy metal sedimentation tank through the second water pipe and the second water pump arranged on the second water pipe; the inside of the fine filter is provided with an activated carbon adsorption layer; the bottom of the fine filter is provided with Outlet; the first water pump, the second water pump and the ultrasonic sedimentation transmitter are electrically connected to an external power supply.

As a preferred solution, the positive electrode and the negative electrode are made of copper and iron, respectively.

As a preferred solution, the heavy metal sedimentation tank is a concrete tank body.

As a preferred solution, the coarse filter layer is a mesh structure provided with filter cotton.

As a preferred solution, the coarse filter layer is a high-density fiber filter net.

The beneficial effect of the utility model is an industrial wastewater heavy metal recovery water purification device, which adopts three-stage wastewater treatment, the primary filter pool filters solid impurities, the electrolysis device generates heavy metal precipitation, and the ultrasonic precipitation transmitter is used to promote solid deposition, and the work efficiency is high. , easy to maintain.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Figure 1 is a schematic diagram of the overall structure of a water purification device for recovering heavy metals from industrial wastewater according to the utility model.

The marks in the accompanying drawings are described as follows: 1, primary filter tank, 11, waste water inlet, 12, coarse filter layer, 13, fine filter layer, 14, sewage outlet, 2, heavy metal sedimentation tank, 21, inclined sedimentation tank bottom, 22 , precipitation recovery collection port, 3, fine filter, 31, activated carbon adsorption layer, 32, drain port, 4, the first water pipe, 41, the first water pump, 5, electrolysis device, 51, DC power supply, 52, positive electrode, 53. Negative electrode, 6. Ultrasonic precipitation transmitter, 7. Second water pipe, 71. Second water pump.

Detailed ways

Now in conjunction with accompanying drawing, the utility model is described in further detail. These drawings are all simplified schematic diagrams, and only schematically illustrate the basic structure of the utility model, so they only show the configurations related to the utility model.

A kind of industrial waste water heavy metal recovery water purifying device as shown in Figure 1, comprises primary filter tank 1, heavy metal sedimentation tank 2 and fine filter tank 3, and described primary filter tank 1 comprises the waste water inlet 11 that is arranged on the upper side, sets The coarse filter layer 12 inside and the fine filter layer 13 arranged at the rear end of the coarse filter layer 12; the bottom of the primary filter 1 is provided with an inclined sewage collection pool bottom 21; the coarse filter layer 12 and the fine filter layer 13 The front ends are respectively provided with sewage outlets 14; the primary filter tank 1 communicates with the heavy metal sedimentation tank 2 through the first water pipe 4 and the first water pump 41 arranged on the first water pipe 4; the first water pipe 4 communicates with each other The top of the rear end of the coarse filter layer 12 of the primary filter tank 1 and the middle part of the heavy metal sedimentation tank 2; the electrolysis device 5 is arranged in the heavy metal sedimentation tank 2, and the ultrasonic precipitation transmitter 6 is arranged on the inner upper side; the heavy metal precipitation The bottom of the pool 2 is provided with an inclined sedimentation tank bottom 21; one side of the inclined sedimentation tank bottom 21 is provided with a sediment recovery collection port 22; Electrically connected positive electrode 52 and negative electrode 53; the fine filter 3 communicates with the heavy metal sedimentation tank 2 through the second water pipe 7 and the second water pump 71 arranged on the second water pipe 7; the fine filter 3 is provided with an activated carbon adsorption layer 31; the bottom of the fine filter 3 is provided with a drain 32; the first water pump 41, the second water pump 71 and the ultrasonic sedimentation transmitter 6 are electrically connected to an external power supply.

The positive electrode 52 and the negative electrode 53 are made of copper and iron respectively. The heavy metal sedimentation tank 2 is a concrete tank body. The coarse filter layer 12 is a mesh structure provided with filter cotton. The coarse filter layer 12 is a high-density fiber filter screen.

An industrial wastewater heavy metal recovery water purification device described in the utility model adopts three-stage wastewater treatment, the primary filter tank 1 filters solid impurities, the electrolysis device 5 generates heavy metal precipitation, and the ultrasonic precipitation transmitter 6 is used to promote solid deposition. High efficiency and easy maintenance.

Inspired by the above ideal embodiment according to the utility model, through the above description content, relevant staff can completely make various changes and modifications within the scope of not deviating from the technical idea of the utility model. The technical scope of this utility model is not limited to the content in the description, but must be determined according to the scope of the claims.

Claims (5)

1. A kind of industrial waste water heavy metal recovery water purification device is characterized in that: comprise primary filter tank (1), heavy metal sedimentation tank (2) and fine filter tank (3), described primary filter tank (1) includes being arranged on The waste water inlet (11) on the upper side, the coarse filter layer (12) arranged inside and the fine filter layer (13) arranged at the rear end of the coarse filter layer (12); the bottom of the primary filter tank (1) is provided with an inclined The bottom of the sewage collection tank (21); the front ends of the coarse filter layer (12) and the fine filter layer (13) are respectively provided with sewage outlets (14); the primary filter tank (1) and the heavy metal sedimentation tank (2) It is communicated by the first water pipe (4) and the first water pump (41) arranged on the first water pipe (4); the first water pipe (4) communicates with the coarse filter layer (12) of the primary filter tank (1) respectively. ) the top of the rear end and the middle part of the heavy metal sedimentation tank (2); The heavy metal sedimentation tank (2) is provided with an electrolysis device (5), and an ultrasonic sedimentation transmitter (6) is provided on the upper side of the interior; the bottom of the heavy metal sedimentation tank (2) is provided with an inclined sedimentation tank bottom (21) ; One side of the bottom of the inclined sedimentation tank (21) is provided with a precipitation recovery collection port (22); the electrolysis device (5) includes a DC power supply (51) and is connected with the positive and negative poles of the DC power supply (51) respectively. electrically connected positive electrode (52) and negative electrode (53); Described fine filter tank (3) is communicated with the heavy metal sedimentation tank (2) by the second water pipe (7) and the second water pump (71) that is arranged on the second water pipe (7); Described fine filter tank ( 3) The interior is provided with an activated carbon adsorption layer (31); the bottom of the fine filter (3) is provided with a drain outlet (32); the first water pump (41), the second water pump (71) and the ultrasonic precipitation emission The device (6) is electrically connected with the external power supply. 2. A water purification device for recovering heavy metals from industrial wastewater according to claim 1, characterized in that: the positive electrode (52) and the negative electrode (53) are made of copper and iron respectively. 3. A water purification device for recovering heavy metals from industrial wastewater according to claim 1, characterized in that: the heavy metal sedimentation tank (2) is a concrete tank body. 4. A water purification device for recovering heavy metals from industrial wastewater according to claim 1, characterized in that: the coarse filter layer (12) is a mesh structure provided with filter cotton. 5. A kind of industrial wastewater heavy metal recovery water purification device according to claim 1, characterized in that: the fine filter layer (13) is a high-density fiber filter screen.