阅读说明：本技术 一种铜冶炼产生的废渣中提取砷的提取装置 (Draw extraction element of arsenic in waste residue that copper smelting produced ) 是由 陈颖 梁洁 于 2019-11-20 设计创作，主要内容包括：本发明涉及废渣回收技术领域,且公开了一种铜冶炼产生的废渣中提取砷的提取装置,包括反应箱,所述反应箱的外侧固定连接有冷却装置,所述反应箱的左侧固定连接有输液管和出液管,所述反应箱的顶部右侧固定连接有排气管和固定套,所述固定套的底部活动连接有活动杆,所述固定套的顶部固定连接有进气管,所述活动杆的外侧固定连接有释放板。通过释放板释放SO-2气体,使SO-2气体与硫化砷溶液的接触面积增加,释放板在释放SO-2气体的同时,受到SO-2气体对释放板的反向推力,在反向推力的作用下,使释放板顺时针旋转,释放板在旋转时搅动硫化砷溶液,提高了硫化砷溶液的流动性,使SO-2气体与硫化砷溶液中五价砷离子的接触率增大。(The invention relates to the technical field of waste residue recovery, and discloses an extraction device for extracting arsenic from waste residues generated in copper smelting. Releasing SO through a releasing plate 2 Gas, make SO 2 The contact area of the gas and the arsenic sulfide solution is increased, and the releasing plate releases SO 2 While the gas is being subjected to SO 2 The reverse thrust of gas to the release plate under the effect of reverse thrust makes the release plate rotate clockwise, and the release plate stirs the arsenic sulfide solution when rotatory, has improved the mobility of arsenic sulfide solution, makes SO 2 Gas andthe contact rate of pentavalent arsenic ions in the arsenic sulfide solution is increased.)

1. The utility model provides an extraction element who draws arsenic in waste residue that copper smelting produced, includes reaction box (1), its characterized in that: the outside fixedly connected with cooling device (2) of reaction box (1), the left side fixedly connected with transfer line (3) and drain pipe (4) of reaction box (1), the top right side fixedly connected with blast pipe (5) and fixed cover (6) of reaction box (1), the bottom swing joint of fixed cover (6) has movable rod (7), the top fixedly connected with intake pipe (8) of fixed cover (6), the outside fixedly connected with release board (9) of movable rod (7), discharge gate (10) have been seted up to the bottom of reaction box (1), air vent (12) have been seted up to the inside of movable rod (7), venthole (13) have been seted up to one side of release board (9), the inside fixedly connected with fixed block (15) of transfer line (3), the right side swing joint of fixed block (15) has fly leaf (14), a connecting rope (16) is fixedly connected to the left side of the movable plate (14), and a floating ball (11) is fixedly connected to one side of the connecting rope (16) penetrating through the infusion tube (3).

2. The extraction device for extracting arsenic from waste slag generated in copper smelting according to claim 1, which is characterized in that: the inside of the air outlet hole (13) is fixedly connected with a spring piece (17).

3. The extraction device for extracting arsenic from waste slag generated in copper smelting according to claim 1, which is characterized in that: the bottom of the reaction box (1) is at a certain inclination angle.

4. The extraction device for extracting arsenic from waste slag generated in copper smelting according to claim 1, which is characterized in that: the sum of the length of the connecting rope (16) and the diameter of the floating ball (11) is less than the distance from the infusion tube (3) to the inner top wall of the reaction box (1).

5. The extraction device for extracting arsenic from waste slag generated in copper smelting according to claim 1, which is characterized in that: the buoyancy generated by the floating ball (11) is larger than the impulsive force of the transfusion tube (3).

6. The extraction device for extracting arsenic from waste slag generated in copper smelting according to claim 1, which is characterized in that: the air outlets (13) are distributed on one side of the movable plate (14), and the air outlets (13) on the side surface of the movable plate (14) are distributed regularly.

7. The extraction device for extracting arsenic from waste slag generated in copper smelting according to claim 1, which is characterized in that: the exhaust pipe (5) is positioned on the right side of the fixed sleeve (6).

8. The extraction device for extracting arsenic from waste slag generated in copper smelting according to claim 1, which is characterized in that: the air inlet pipe (8) is communicated with the vent hole (12), and the vent hole (12) is communicated with the air outlet hole (13).

Technical Field

The invention relates to the technical field of waste residue recovery, in particular to an extraction device for extracting arsenic from waste residues generated in copper smelting.

Background

The main component of the waste residue after copper ore smelting is arsenic sulfide, and the arsenic is mainly used as an alloy material and widely applied to copper and lead alloys, and meanwhile, the arsenic is also commonly used as a doping material and applied to some semiconductor materials, so that the recovery value of the arsenic is extremely high.

In the process of extracting arsenic from arsenic sulfide slag, arsenic sulfide needs to be slurried, oxygen leached and filtered to obtain arsenate solution, and due to the difference of solubility properties of pentavalent arsenic ions and trivalent arsenic ionsThis using SO₂Reducing the gas to obtain trivalent arsenic, and directly reacting SO by using the existing arsenic sulfide reaction equipment₂The gas is introduced into the arsenic sulfide solution, the SO of which₂The contact area of the gas and the arsenic sulfide solution is limited, and the reaction efficiency is low.

Disclosure of Invention

Technical scheme

In order to achieve the purpose of accelerating the reaction rate, the invention provides the following technical scheme: an extraction device for extracting arsenic from waste slag generated in copper smelting comprises a reaction box, wherein a cooling device is fixedly connected to the outer side of the reaction box, the left side of the reaction box is fixedly connected with a liquid conveying pipe and a liquid outlet pipe, the right side of the top of the reaction box is fixedly connected with an exhaust pipe and a fixed sleeve, the bottom of the fixed sleeve is movably connected with a movable rod, the top of the fixed sleeve is fixedly connected with an air inlet pipe, the outer side of the movable rod is fixedly connected with a release plate, the bottom of the reaction box is provided with a discharge hole, a vent hole is arranged inside the movable rod, an air outlet hole is arranged on one side of the release plate, a fixed block is fixedly connected inside the infusion tube, the right side swing joint of fixed block has the fly leaf, the left side fixedly connected with of fly leaf connects the rope, connect one side fixedly connected with floater that the rope runs through the transfer line.

Preferably, a spring piece is fixedly connected inside the air outlet.

Preferably, the bottom of the reaction box is of an inclined downward structure, so that the arsenic trioxide crystals can be collected at the bottom.

Preferably, the sum of the length of the connecting rope and the diameter of the floating ball is less than the distance from the infusion tube to the inner top wall of the reaction box.

Preferably, the buoyancy generated by the floating ball is larger than the impulsive force of the infusion tube, so that the arsenic sulfate solution is prevented from being excessively input, and the arsenic sulfate solution is prevented from entering the exhaust tube.

Preferably, the air outlets are distributed on one side of the movable plates, the air outlets on the side surfaces of the plurality of movable plates are distributed in the same rule, and the releasing plate releases SO₂While the gas is being subjected to SO₂Reverse thrust of gas against the discharge plateThe release plate is rotated clockwise by the pushing force.

Preferably, the exhaust pipe is located on the right side of the fixing sleeve.

Preferably, the air inlet pipe is communicated with a vent hole, and the vent hole is communicated with an air outlet hole to enable SO₂The gas is released into the reaction chamber.

Advantageous effects

Compared with the prior art, the invention provides an extraction device for extracting arsenic from waste residues generated in copper smelting, which has the following beneficial effects:

1. the extraction device for extracting arsenic from waste residues generated in copper smelting releases SO through the release plate₂Gas, make SO₂The contact area of the gas and the arsenic sulfide solution is increased, and the releasing plate releases SO₂While the gas is being subjected to SO₂The reverse thrust of gas to the release plate under the effect of reverse thrust makes the release plate rotate clockwise, and the release plate stirs the arsenic sulfide solution when rotatory, has improved the mobility of arsenic sulfide solution, makes SO₂The contact rate of the gas and pentavalent arsenic ions in the arsenic sulfide solution is increased, the cooling speed of the arsenic sulfide solution is accelerated, the precipitation rate of the arsenic trioxide is increased, and when SO is generated₂When the gas pressure is reduced, the spring piece arranged in the gas outlet can prevent the arsenic sulfide solution in the reaction box from flowing backwards into the gas outlet.

2. This draw extraction element of arsenic in waste residue that copper smelting produced, arsenic sulfide solution drops into when too much, can lead to arsenic sulfide solution to enter into the blast pipe and block up gaseous discharge in the reaction box, when arsenic sulfide solution water level risees to surpassing the warning water level, drives the floater rebound, floater rebound drives the fly leaf and rotates, the fly leaf rotates and closes transfer line and reaction box passageway after contacting with the fixed block, interrupts the transfer line and carries arsenic sulfide solution to the reaction box, avoids arsenic sulfide solution to drop into too much.

Drawings

FIG. 1 is a schematic view of a reaction chamber according to the present invention;

FIG. 2 is a schematic view of a release plate according to the present invention;

FIG. 3 is a schematic view of the structure of the infusion tube of the present invention;

FIG. 4 is a schematic view of the structure of the air outlet of the present invention.

In the figure: the device comprises a reaction box-1, a cooling device-2, a liquid conveying pipe-3, a liquid outlet pipe-4, an exhaust pipe-5, a fixed sleeve-6, a movable rod-7, an air inlet pipe-8, a release plate-9, a discharge hole-10, a floating ball-11, a vent hole-12, an air outlet hole-13, a movable plate-14, a fixed block-15, a connecting rope-16 and a spring piece-17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-4, an extraction apparatus for extracting arsenic from waste slag generated by copper smelting, comprising a reaction box 1, wherein the bottom of the reaction box 1 is of an inclined downward structure, which is convenient for arsenic trioxide crystals to be collected at the bottom, a cooling device 2 is fixedly connected to the outer side of the reaction box 1, a liquid conveying pipe 3 and a liquid outlet pipe 4 are fixedly connected to the left side of the reaction box 1, an exhaust pipe 5 and a fixing sleeve 6 are fixedly connected to the right side of the top of the reaction box 1, the exhaust pipe 5 is positioned on the right side of the fixing sleeve 6, a movable rod 7 is movably connected to the bottom of the fixing sleeve 6, an air inlet pipe 8 is fixedly connected to the top of the fixing sleeve 6, a release plate 9 is fixedly connected to the outer side of the movable rod 7, a discharge port 10 is arranged at the bottom of the reaction box 1, an air vent₂Gas is released to the reaction box 1, gas outlet holes 13 are formed in one side of the releasing plate 9, the gas outlet holes 13 are distributed on one side of the movable plates 14, the gas outlet holes 13 in the side surfaces of the movable plates 14 are distributed in the same rule, and the releasing plate 9 releases SO₂While the gas is being subjected to SO₂The reverse thrust of the gas to the releasing plate 9 makes the releasing plate 9 rotate clockwise under the action of the reverse thrust, the spring piece 17 is fixedly connected inside the air outlet hole 13, the fixing block 15 is fixedly connected inside the infusion tube 3, and the infusion tube is fixedThe right side swing joint of piece 15 has fly leaf 14, and the left side fixedly connected with of fly leaf 14 connects rope 16, and the length of connecting rope 16 and the distance that floater 11 diameter sum is less than transfer line 3 to the interior roof of reaction box 1, connect rope 16 and run through one side fixedly connected with floater 11 of transfer line 3, and the buoyancy that floater 11 produced is greater than the impulsive force of transfer line 3, avoids the arsenic sulfate solution to drop into too much, prevents that the arsenic sulfate solution from entering into blast pipe 5.

During operation, high-temperature arsenic sulfide solution is released into the reaction box 1 through the liquid conveying pipe 3, and SO is generated₂During gas entered into the inside air vent 12 of seting up of movable rod 7 through intake pipe 8, released again in reaction box 1 through the venthole 13 with air vent 12 intercommunication and react with the arsenic sulfide solution, obtain arsenic trioxide solution, through the low nature of arsenic trioxide solubility, make arsenic trioxide separate out the crystallization, the arsenic trioxide who separates out takes out through discharge gate 10.

During the extraction of arsenic trioxide, due to SO₂The contact area of the gas with the arsenic sulphide solution is limited, resulting in a low reaction rate, in order to accelerate the SO₂The reaction rate of the gas and the arsenic sulfide is increased, the precipitation rate of the arsenic trioxide is increased, and SO is released through the gas outlet 13₂Gas, make SO₂The contact area of the gas and the arsenic sulfide solution is increased, and the releasing plate 9 releases SO₂While the gas is being subjected to SO₂The reverse thrust of gas to the release plate 9 makes the release plate 9 rotate clockwise under the effect of the reverse thrust, and the release plate 9 stirs the arsenic sulfide solution when rotating, SO that the fluidity of the arsenic sulfide solution is improved, and SO is enabled₂The contact rate of the gas and pentavalent arsenic ions in the arsenic sulfide solution is increased, the cooling speed of the arsenic sulfide solution is accelerated, the precipitation rate of the arsenic trioxide is increased, and when SO is generated₂When the gas pressure is reduced, the spring piece 17 arranged in the gas outlet 13 can prevent the arsenic sulfide solution in the reaction box 1 from flowing backwards into the vent hole 12.

When the arsenic sulfide solution is excessively fed, the arsenic sulfide solution can enter the exhaust pipe 5 and block the exhaust of gas in the reaction box 1, when the water level of the arsenic sulfide solution rises to exceed the warning water level, the floating ball 11 is driven to move upwards, the floating ball 11 moves upwards to drive the movable plate 14 to rotate, the movable plate 14 rotates to be in contact with the fixed block 15 and then closes the passage between the infusion pipe 3 and the reaction box 1, the infusion pipe 3 is interrupted to convey the arsenic sulfide solution to the reaction box 1, and the excessive feeding of the arsenic sulfide solution is avoided.

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.