CN-224212485-U - Preoxidation integrated treatment equipment for removing heavy metals in mine water

Abstract

The utility model belongs to the technical field of mine water treatment, and relates to preoxidation integrated treatment equipment for removing heavy metals in mine water, which comprises an integrated treatment tank, wherein a preoxidation bin, a metal alkali environment precipitation reaction unit, a flocculation mixing reaction tank and a plate type filler precipitation unit are respectively arranged in the treatment tank, the flocculation mixing reaction tank comprises a first flocculation mixing reaction unit and a second flocculation mixing reaction unit, an oxygen supply loop pipe and an oxygen releaser are arranged at the bottom of the preoxidation bin, a dosing device is integrated and matched with the side wall of the treatment tank, the dosing device comprises an alkali liquor dosing system, a PAC dosing system and a PAM dosing system, a stirrer is arranged in the metal alkali environment precipitation reaction unit, the first flocculation mixing reaction unit and the second flocculation mixing reaction unit, and preoxidation treatment is carried out before alkaline precipitation reaction and coagulation flocculation reaction, so that metal ions in mine water are increased in price, and alkali precipitation reaction is carried out on the metal ions removal rate and sediment stability can be improved.

Inventors

• MO JIEYING
• WANG GUODONG
• AO CHAOLONG

Assignees

• 云南协同环保工程有限公司

Dates

Publication Date

20260508

Application Date

20250604

Claims (4)

1. 1. The preoxidation integrated treatment equipment for removing heavy metals in mine water is characterized by comprising an integrally formed treatment tank, wherein a preoxidation bin (1), a metal alkali environment precipitation reaction unit (2), a flocculation mixing reaction tank and a plate type filler precipitation unit (5) are respectively arranged in the treatment tank, the flocculation mixing reaction tank comprises a first flocculation mixing reaction unit (3) and a second flocculation mixing reaction unit (4), and an oxygen supply ring pipe (12) and an oxygen releaser (11) are arranged at the bottom of the preoxidation bin (1); The side wall of the treatment tank is integrated and matched with a dosing device, the dosing device comprises an alkali liquor dosing system (6), a PAC dosing system (7) and a PAM dosing system (8), and a stirrer (9) is arranged in the metal alkali environment precipitation reaction unit (2), the first flocculation mixing reaction unit (3) and the second flocculation mixing reaction unit (4).
2. 2. The preoxidation integrated treatment equipment for removing heavy metals in mine water, as set forth in claim 1, wherein the oxygen releaser (11) is of a tubular structure and is uniformly distributed on the oxygen supply loop (12), and oxygen is supplied to the oxygen releaser (11) through the oxygen supply loop (12).
3. 3. The preoxidation integrated treatment equipment for removing heavy metals in mine water, as set forth in claim 1, is characterized in that an overhaul ladder (13) is arranged on the side wall of the plate-type filler precipitation unit (5).
4. 4. The preoxidation integrated treatment equipment for removing heavy metals in mine water, as set forth in claim 1, is characterized in that a pH detector is arranged in the metal alkali environment precipitation reaction unit (2), and the pH detector, the dosing device and the stirrer (9) are all connected with a control system (10).

Description

Preoxidation integrated treatment equipment for removing heavy metals in mine water Technical Field The utility model belongs to the technical field of mine water treatment, and particularly relates to pre-oxidation integrated treatment equipment for removing heavy metals in mine water. Background In the practical engineering, as the suspended matters in the mine water are relatively high, if alkaline precipitation reaction and coagulation flocculation reaction are directly carried out, the removal efficiency of metal ions is often affected, and low-valence metal ion precipitates are often reduced more easily, such as ferrous ions and manganous ions are oxidized into high-valence ions, such as ferrous ions are oxidized into ferric ions, and the precipitation capability and stability of the metal ions are improved. An unstable precipitate formed. Therefore, the application provides pre-oxidation integrated treatment equipment for removing heavy metals in mine water. Disclosure of utility model The utility model provides preoxidation integrated treatment equipment for removing heavy metals in mine water, which is characterized in that preoxidation treatment is carried out before alkaline precipitation reaction and coagulation flocculation reaction are carried out, so that the valence of metal ions in mine water is increased, and then alkaline precipitation reaction is carried out, so that the removal rate of the metal ions and the stability of sediment can be improved. In order to solve the technical problems, the utility model adopts the following technical scheme: The preoxidation integrated treatment equipment for removing heavy metals in mine water comprises an integrally formed treatment tank, a preoxidation bin, a metal alkali environment precipitation reaction unit, a flocculation mixing reaction tank and a plate type filler precipitation unit which are arranged in the treatment tank, wherein the flocculation mixing reaction tank comprises a first flocculation mixing reaction unit and a second flocculation mixing reaction unit, The bottom of the pre-oxidation bin is provided with an oxygen supply ring pipe and an oxygen releaser; The side wall of the treatment tank is integrated and matched with a dosing device, and the dosing device comprises an alkali liquor dosing system, a PAC dosing system and a PAM dosing system; and a stirrer is arranged in the metal alkali environment precipitation reaction unit, the first flocculation mixing reaction unit and the second flocculation mixing reaction unit. Further, the oxygen releaser is of a tubular structure and is uniformly distributed on the oxygen supply loop, and oxygen is supplied to the oxygen releaser through the oxygen supply loop. Further, an overhaul ladder is arranged on the side wall of the plate type filler precipitation unit. Further, a pH detector, a dosing device and a stirrer are arranged in the metal alkali environment precipitation reaction unit and are connected with a control system. The utility model has the following advantages: The whole preoxidation integrated treatment equipment adopts a steel anti-corrosion integrated skid-mounted structure, and has the advantages of small occupied area, convenience in installation, stability in operation and the like. Meanwhile, each reaction unit and each dosing device in the equipment are automatically controlled, and can be automatically adjusted and operated according to actual working conditions, so that the treatment efficiency and stability of the equipment are improved; Before the alkaline precipitation reaction and the coagulation flocculation reaction, pre-oxidation treatment is carried out to raise the valence of metal ions in mine water, and then the alkaline precipitation reaction is carried out to improve the removal rate of the metal ions and the stability of the precipitate. Drawings FIG. 1 is a schematic plan view of the present utility model; FIG. 2 is a schematic elevational view of the present utility model; In the figure, a 1-pre-oxidation bin, a 2-metal alkali environment precipitation reaction unit, a 3-first flocculation mixed reaction unit, a 4-second flocculation mixed reaction unit, a 5-plate type filler precipitation unit, a 6-alkali liquor dosing system, a 7-PAC dosing system, an 8-PAM dosing system, a 9-stirrer, a 10-control system, an 11-oxygen releaser, a 12-oxygen supply loop and a 13-maintenance ladder. Detailed Description For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings. Sincerely the present utility model is not limited to any particular embodiment, but rather is defined by any particular embodiment, as long as it is expressed or implied by any particular embodiment, such as upper, lower, left, right, front, rear, inner, outer, etc., in any particular orientation. Examples The preoxidation i