CN110885932A

CN110885932A - Lead-zinc waste slag molten pool smelting device

Info

Publication number: CN110885932A
Application number: CN201911301983.1A
Authority: CN
Inventors: 刘红广; 张伟; 尹晓明
Original assignee: Hunan Hengsheng Environmental Protection Technology Co Ltd
Current assignee: Hunan Hengsheng Environmental Protection Technology Co Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-03-17

Abstract

The invention discloses a lead-zinc waste slag molten pool smelting device which comprises a device body, a combustion pool, a heat preservation layer, a molten pool body and a circulating pump, wherein the molten pool body is installed at the central position inside the device body, the combustion pool is installed at the central position of the bottom end of the molten pool body, the heat preservation layer is arranged on the inner wall of the device body on the two sides of the combustion pool, a feeding box is installed at the top of the device body, a feeding mechanism is arranged inside the feeding box, a steam pipeline is installed at the top end of the device body on one side of the feeding mechanism, one end of the steam pipeline extends to the inside of the device body, an exhaust fan is installed at the bottom end of the steam pipeline above the device body, and a purification mechanism is arranged at. The invention not only realizes the smashing of the lead-zinc waste slag by the molten pool smelting device, increases the contact area of the lead-zinc waste slag in the molten pool body, but also improves the working efficiency of the molten pool smelting device.

Description

Lead-zinc waste slag molten pool smelting device

Technical Field

The invention relates to the technical field of molten pool smelting devices, in particular to a lead-zinc waste slag molten pool smelting device.

Background

In the metal smelting process, a certain amount of metallurgical dust and slag, such as lead-zinc-containing waste slag in the metal smelting process of zinc, lead, copper and the like, are often generated incidentally. The smelting waste slag still contains a large amount of recyclable valuable metals, if the part of waste slag can not be effectively utilized, serious environmental pollution and resource waste can be caused, in order to comprehensively utilize the slag, reduce the environmental pollution and fully and effectively utilize secondary resources, a lead-zinc waste slag bath smelting device is required to smelt the waste slag, but the existing lead-zinc waste slag bath smelting device still has some defects to be improved when in use.

The melting bath smelting device on the market is various and can basically meet the use requirements of people, but certain problems still exist, and the specific problems include the following points:

(1) when the existing molten pool smelting device is used, lead and zinc waste residues are generally inconvenient to smash and pour into a smelting pool, so that the working efficiency of the molten pool smelting device is seriously influenced;

(2) when the existing molten pool smelting device is used, harmful gas in a smelting pool is generally inconvenient to purify and recover, so that the reliability of the molten pool smelting device in use is greatly influenced;

(3) when the existing molten pool smelting device is used, effective heat preservation is not convenient to carry out on the molten pool smelting device generally, and energy consumption is reduced, so that great trouble is brought to people in use.

Disclosure of Invention

The invention aims to provide a lead-zinc waste slag molten pool smelting device, which solves the problems that the lead-zinc waste slag is not convenient to smash and pour into a smelting pool, harmful gas in the smelting pool is purified and recovered, and the molten pool smelting device is effectively insulated in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: lead-zinc waste slag molten pool smelting device comprises a device body, a combustion pool, a heat preservation layer, a molten pool body and a circulating pump, wherein the molten pool body is installed at the central position inside the device body, the combustion pool is installed at the central position of the bottom end of the molten pool body, the heat preservation layer is arranged on the inner walls of the device body on the two sides of the combustion pool, a feeding box is installed at the top of the device body, a feeding mechanism is arranged inside the feeding box, a steam pipeline is installed at the top end of the device body on one side of the feeding mechanism, one end of the steam pipeline extends to the inside of the device body, an exhaust fan is installed at the bottom end of the steam pipeline above the device body, a purification mechanism is arranged at one end of the steam pipeline on one side of the exhaust fan, a return pipe is installed at the edge position inside the device body, a water storage tank, and the water pipe is all installed at the both ends of circulating pump, the one end of water pipe extends to the inside of storage water tank, and the other end of water pipe extends to the inside of back flow, the device body is last to keep away from one side of storage water tank and to install control panel, and the output of the inside singlechip of control panel and the input electric connection of circulating pump.

Preferably, driving motor, first pivot, shredding knife, entry, feed opening, catch bar, second pivot, servo motor and supporting box have set gradually to the inside of pan feeding mechanism, the internally mounted of pan feeding case has servo motor, and servo motor's output passes through the shaft coupling and installs the second pivot to the inside catch bar that is equipped with of pan feeding case of second pivot one side, the one end and the second pivot fixed connection of catch bar, and the other end of catch bar is articulated mutually with pan feeding incasement wall, and one side that servo motor was kept away from to pan feeding bottom of the case end is fixed with the feed opening, and the one end of feed opening extends to the inside of device body.

Preferably, the supporting box is installed on the top of pan feeding box, and the driving motor is installed to the inside one end that is close to servo motor of supporting box, and driving motor's output installs first pivot through the shaft coupling to the supporting box inside of first pivot one side is equipped with cuts up the sword.

Preferably, one end of the chopping knife is fixedly connected with the first rotating shaft, the other end of the chopping knife is hinged with the inner wall of the supporting box, and the inlet is fixed at the central position of the top end of the supporting box.

Preferably, circulating water pump, conveyer pipe, air outlet, filter pulp, support frame, condenser pipe and purifying box have set gradually to the inside of purifying mechanism, the purifying box is installed to one side of steam conduit, and the inside of purifying box is equipped with two sets of condenser pipes to the purifying box internally mounted of condenser pipe one side has the support frame.

Preferably, the inside central point of support frame puts the department and installs the filter pulp, and installs the air outlet on the purifying box outer wall of filter pulp one side, the central point on purifying box top puts the department and installs circulating water pump, and circulating water pump's both ends all install the conveyer pipe to the one end of conveyer pipe extends to the inside of purifying box.

Compared with the prior art, the invention has the beneficial effects that: the molten pool smelting device not only realizes the smashing of the molten pool smelting device on the lead-zinc waste residues, increases the contact area of the lead-zinc waste residues in the molten pool body, but also improves the working efficiency of the molten pool smelting device;

(1) the lead-zinc waste slag crushing device is characterized in that a driving motor, a first rotating shaft, a crushing cutter, an inlet, a feed opening, a push rod, a second rotating shaft, a servo motor and a support box are arranged, lead-zinc waste slag is poured into the support box from the inlet by a worker, the driving motor is started by an operation control panel, the crushing cutter is driven to rotate by the first rotating shaft, the lead-zinc waste slag is crushed, then the crushed slag flows into the feed box, the servo motor is started by the operation control panel, the push rod is driven to rotate by the second rotating shaft, and the crushed slag flows into a molten pool body in the device body through the feed opening under the push of the push rod, so that the lead-zinc waste slag is crushed by the molten pool melting device, the contact area of the lead-zinc waste slag in the molten pool body is increased, and the working efficiency of the molten pool;

(2) through arranging a circulating water pump, a conveying pipe, an air outlet, filter cotton, a support frame, a condensing pipe and a purifying box, lead-zinc waste residues are fully reacted by pouring the waste residues, a solvent and a catalyst into a molten pool body, a part of lead and zinc are sublimated to form a gaseous state, an exhaust fan is opened through an operation control panel to suck generated steam into the interior of a steam pipeline, the steam pipeline is purified by a purifying mechanism, then the gas is liquefied to form a liquid state through the condensing pipe in the purifying box and is stored in the condensing pipe, the circulating water pump is opened through the operation control panel, water in the purifying box is circulated through the conveying pipe to cool the condensing pipe, then the steam which is not completely liquefied is filtered through the filter cotton in the support frame to remove heavy metal and harmful gas and is discharged into the outside through the air outlet, and the purification of the harmful gas, the damage of a molten pool smelting device to the external environment is reduced;

(3) through being equipped with the heat preservation on the inner wall at device body both sides, evenly twine simultaneously on the outer wall of molten bath body has the back flow, later opens the circulating pump through operation control panel, and the water pipe is extracted the inside water of storage water tank to the inside of back flow, is circulated the heat preservation by the back flow to the molten bath body, reduces the heat and scatters and disappears, has realized that the device efficient circulation keeps warm in molten bath smelting, has improved the combustion rate of fuel, has reduced the loss of the energy.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic view of a cross-sectional enlarged structure of the feeding mechanism of the present invention;

FIG. 3 is a schematic view of a cross-sectional enlarged structure of the purification mechanism of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 5 is a schematic diagram of the system framework of the present invention.

In the figure: 1. a device body; 2. a combustion tank; 3. a heat-insulating layer; 4. a control panel; 5. a molten pool body; 6. feeding into a box; 7. a feeding mechanism; 701. a drive motor; 702. a first rotating shaft; 703. a chopping knife; 704. an inlet; 705. a feeding port; 706. a push rod; 707. a second rotating shaft; 708. a servo motor; 709. a support box; 8. a steam line; 9. an exhaust fan; 10. a purification mechanism; 1001. a water circulating pump; 1002. a delivery pipe; 1003. an air outlet; 1004. filtering cotton; 1005. a support frame; 1006. a condenser tube; 1007. a purification box; 11. a return pipe; 12. a water storage tank; 13. a water pipe; 14. and a circulating pump.

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.

Referring to fig. 1-5, an embodiment of the present invention is shown: the lead-zinc waste slag molten pool smelting device comprises a device body 1, a combustion pool 2, a heat preservation layer 3, a molten pool body 5 and a circulating pump 14, wherein the molten pool body 5 is installed at the central position inside the device body 1, the combustion pool 2 is installed at the central position of the bottom end of the molten pool body 5, the heat preservation layer 3 is arranged on the inner wall of the device body 1 on the two sides of the combustion pool 2, a feeding box 6 is installed at the top of the device body 1, and a feeding mechanism 7 is arranged inside the feeding box 6;

the feeding mechanism 7 is internally provided with a driving motor 701, a first rotating shaft 702, a chopping knife 703, an inlet 704, a feed opening 705, a push rod 706, a second rotating shaft 707, a servo motor 708 and a support box 709 in sequence, the servo motor 708 is arranged inside the feeding box 6, the model of the servo motor 708 is MR-J2S-10A, the output end of a singlechip inside the control panel 4 is electrically connected with the input end of the servo motor 708, the output end of the servo motor 708 is provided with the second rotating shaft 707 through a coupler, the push rod 706 is arranged inside the feeding box 6 at one side of the second rotating shaft 707, one end of the push rod 706 is fixedly connected with the second rotating shaft 707, the other end of the push rod 706 is hinged with the inner wall of the feeding box 6, the feed opening 705 is fixed at one side of the bottom end of the feeding box 6 far away from the servo motor 708, one end of the feed opening 705 extends into the device body 1, the support box 709 is arranged at the top, a driving motor 701 is installed at one end, close to the servo motor 708, inside the supporting box 709, the model of the driving motor 701 is MR-J1S-10A, the output end of a single chip microcomputer inside the control panel 4 is electrically connected with the input end of the driving motor 701, the output end of the driving motor 701 is provided with a first rotating shaft 702 through a coupling, a chopping knife 703 is arranged inside the supporting box 709 at one side of the first rotating shaft 702, one end of the chopping knife 703 is fixedly connected with the first rotating shaft 702, the other end of the chopping knife 703 is hinged with the inner wall of the supporting box 709, and an inlet 704 is fixed at the center position of the top end of the supporting box 709;

when the device is used, lead and zinc waste residues are poured into the supporting box 709 from the inlet 704 by a worker, the driving motor 701 is started by the operation control panel 4, the chopping knife 703 is driven to rotate by the first rotating shaft 702 to grind the lead and zinc waste residues, then the crushed residues flow into the feeding box 6, the servo motor 708 is started by the operation control panel 4, the push rod 706 is driven to rotate by the second rotating shaft 707, and the crushed residues flow into the molten pool body 5 in the device body 1 through the feed opening 705 under the pushing of the push rod 706, so that the lead and zinc waste residues are smashed by the molten pool smelting device, the contact area of the lead and zinc waste residues in the molten pool body 5 is increased, and the working efficiency of the molten pool smelting device is improved;

a steam pipeline 8 is installed at the top end of the device body 1 on one side of the feeding mechanism 7, one end of the steam pipeline 8 extends into the device body 1, an exhaust fan 9 is installed at the bottom end of the steam pipeline 8 above the device body 1, the type of the exhaust fan 9 is Y9-35-11, the output end of a single chip microcomputer in the control panel 4 is electrically connected with the input end of the exhaust fan 9, and a purification mechanism 10 is arranged at one end of the steam pipeline 8 on one side of the exhaust fan 9;

a circulating water pump 1001, a delivery pipe 1002, an air outlet 1003, filter cotton 1004, a support frame 1005, a condenser tube 1006 and a purifying box 1007 are sequentially arranged in the purifying mechanism 10, the purifying box 1007 is arranged at one side of the steam pipeline 8, two groups of condenser tubes 1006 are arranged in the purifying box 1007, a supporting frame 1005 is arranged in the purifying box 1007 at one side of the condensing pipe 1006, a filter cotton 1004 is arranged at the central position in the supporting frame 1005, an air outlet 1003 is arranged on the outer wall of the purification box 1007 at one side of the filter cotton 1004, a circulating water pump 1001 is arranged at the center of the top end of the purification box 1007, the model of the circulating water pump 1001 is 150QJ20-54/9, the output end of the singlechip in the control panel 4 is electrically connected with the input end of the circulating water pump 1001, both ends of the circulating water pump 1001 are provided with a delivery pipe 1002, and one end of the delivery pipe 1002 extends into the purification box 1007;

when in use, the waste residue, the solvent and the catalyst are poured into the molten pool body 5 to ensure that the lead-zinc waste residue fully reacts, a part of lead-zinc is sublimated to form a gas state, the exhaust fan 9 is opened through operating the control panel 4 to suck the generated steam into the steam pipeline 8, the steam is purified by the purification mechanism 10, then the gas is liquefied into liquid through the condenser tube 1006 in the purification box 1007 and is stored in the condenser tube 1006, the circulating water pump 1001 is opened through operating the control panel 4, the water in the purification box 1007 is circulated through the delivery pipe 1002 to cool the condenser tube 1006, then the steam which is not completely liquefied is filtered through the filter cotton 1004 in the support frame 1005 to remove heavy metals and harmful gases, and the steam is discharged into the outside through the air outlet 1003, so that the purification of the harmful gases of the molten pool smelting device is realized, and the harm of the molten pool smelting device to the external environment is reduced;

a return pipe 11 is arranged at the edge position inside the device body 1, a water storage tank 12 is arranged on the outer wall of one side of the device body 1, a circulating pump 14 is arranged on the outer wall of the device body 1 below the water storage tank 12, the model of the circulating pump 14 is 150QJ20-10/9, the output end of a single chip microcomputer inside the control panel 4 is electrically connected with the input end of the circulating pump 14, water pipes 13 are arranged at two ends of the circulating pump 14, one end of each water pipe 13 extends into the water storage tank 12, the other end of each water pipe 13 extends into the return pipe 11, the control panel 4 is arranged on one side, far away from the water storage tank 12, of the outer wall of the device body 1, and the output end of the single;

during use, the heat preservation layers 3 are arranged on the inner walls of the two sides of the device body 1, the return pipe 11 is uniformly wound on the outer wall of the molten pool body 5, the circulating pump 14 is opened through the operation control panel 4, the water pipe 13 extracts water in the water storage tank 12 into the return pipe 11, the return pipe 11 conducts circulating heat preservation on the molten pool body 5, heat loss is reduced, efficient circulating heat preservation of the molten pool smelting device is achieved, the combustion rate of fuel is improved, and energy loss is reduced.

The working principle is as follows: when the device is used, an external power supply is used, firstly lead-zinc waste residues are poured into the inside of the supporting box 709 from the inlet 704 through a worker, the driving motor 701 is started by the operation control panel 4, the chopping knife 703 is driven to rotate by the first rotating shaft 702, the lead-zinc waste residues are crushed and ground, then the crushed residues flow into the inside of the feeding box 6, the servo motor 708 is started by the operation control panel 4, the push rod 706 is driven to rotate by the second rotating shaft 707, under the push of the push rod 706, the crushed residues flow into the molten pool body 5 in the device body 1 through the feed opening 705, the lead-zinc waste residues are crushed by the molten pool melting device, the contact area of the lead-zinc waste residues in the molten pool body 5 is increased, the working efficiency of the molten pool melting device is improved, the combustion pool 2 is started by the operation control panel 4, the molten pool body 5 is heated by the combustion pool 2, and oxygen-enriched air in the molten pool body 5 is blown into the, lead-zinc waste slag is fully reacted, a part of lead-zinc is subjected to chemical combination reaction and is deposited at the bottom of a molten pool body 5, a part of lead-zinc is sublimated to form a gas state, sulfur dioxide gas generated under the reaction of a catalyst is mixed into air, an exhaust fan 9 is opened through an operation control panel 4 to suck generated steam into the interior of a steam pipeline 8, the gas is purified by a purification mechanism 10, the gas is liquefied to form a liquid state through a condensation pipe 1006 in a purification box 1007, the liquid state is stored in the condensation pipe 1006, a circulating water pump 1001 is opened through the operation control panel 4, water in the purification box 1007 is circulated through a conveying pipe 1002 to cool the condensation pipe 1006, then steam which is not completely liquefied is filtered through filter cotton 1004 in a support frame 1005 to remove harmful gas, the steam is discharged to the outside through an air outlet 1003, and the purification of the harmful gas of a smelting, the harm of the device is smelted to external environment to the molten bath has been reduced, when combustion chamber 2 heats molten bath body 5, in order to improve the combustion rate, reduce the energy loss, all be equipped with heat preservation 3 on the inner wall of device body 1 both sides, evenly twine on the outer wall of molten bath body 5 simultaneously has back flow 11, open circulating pump 14 through operation control panel 4, draw the inside water of storage water tank 12 to the inside of back flow 11 through water pipe 13, it keeps warm to circulate molten bath body 5 by back flow 11, it scatters and disappears to reduce the heat, realize that the device efficient circulation keeps warm that the molten bath is smelted, improve the combustion rate of fuel, reduce the loss of the energy, accomplish the use work that the device was smelted to.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Device is smelted in lead-zinc waste residue molten bath, including device body (1), combustion chamber (2), heat preservation (3), molten bath body (5) and circulating pump (14), its characterized in that: the device is characterized in that a molten pool body (5) is arranged at the central position of the inner part of the device body (1), a combustion pool (2) is arranged at the central position of the bottom end of the molten pool body (5), heat preservation layers (3) are arranged on the inner walls of the device body (1) at the two sides of the combustion pool (2), a feeding box (6) is arranged at the top of the device body (1), a feeding mechanism (7) is arranged inside the feeding box (6), a steam pipeline (8) is arranged at the top end of the device body (1) at one side of the feeding mechanism (7), one end of the steam pipeline (8) extends to the inner part of the device body (1), an exhaust fan (9) is arranged at the bottom end of the steam pipeline (8) above the device body (1), a purification mechanism (10) is arranged at one end of the steam pipeline (8) at one side of the exhaust fan (9), and a return pipe (11), install on the outer wall of device body (1) one side storage water tank (12), and install circulating pump (14) on device body (1) outer wall of storage water tank (12) below to water pipe (13) are all installed at the both ends of circulating pump (14), the one end of water pipe (13) extends to the inside of storage water tank (12), and the other end of water pipe (13) extends to the inside of back flow (11), one side of keeping away from storage water tank (12) on device body (1) outer wall installs control panel (4), and the output of the inside singlechip of control panel (4) and the input electric connection of circulating pump (14).

2. The lead-zinc slag molten bath smelting device of claim 1, characterized in that: the feeding mechanism (7) is internally provided with a driving motor (701), a first rotating shaft (702), a chopping knife (703), an inlet (704), a feed opening (705), a push rod (706), a second rotating shaft (707), a servo motor (708) and a support box (709) in sequence, the servo motor (708) is arranged in the feeding box (6), and the output end of the servo motor (708) is provided with a second rotating shaft (707) through a coupler, and a push rod (706) is arranged in the feeding box (6) at one side of the second rotating shaft (707), one end of the push rod (706) is fixedly connected with the second rotating shaft (707), the other end of the push rod (706) is hinged with the inner wall of the feeding box (6), a feed opening (705) is fixed on one side of the bottom end of the feeding box (6) far away from the servo motor (708), and one end of the feed opening (705) extends to the inside of the device body (1).

3. The lead-zinc slag molten bath smelting device of claim 2, characterized in that: supporting box (709) is installed on the top of pan feeding case (6), and supporting box (709) inside one end that is close to servo motor (708) installs driving motor (701), and first pivot (702) are installed through the shaft coupling to the output of driving motor (701) to supporting box (709) inside being equipped with of first pivot (702) one side cuts up sword (703).

4. The lead-zinc slag molten bath smelting device of claim 3, characterized in that: one end of the chopping knife (703) is fixedly connected with the first rotating shaft (702), the other end of the chopping knife (703) is hinged with the inner wall of the supporting box (709), and an inlet (704) is fixed at the center of the top end of the supporting box (709).

5. The lead-zinc slag molten bath smelting device of claim 1, characterized in that: the inside of purification mechanism (10) has set gradually circulating water pump (1001), conveyer pipe (1002), air outlet (1003), filter pulp (1004), support frame (1005), condenser pipe (1006) and purifying box (1007), purifying box (1007) are installed to one side of steam conduit (8), and the inside of purifying box (1007) is equipped with two sets of condenser pipes (1006) to purifying box (1007) internally mounted of condenser pipe (1006) one side has support frame (1005).

6. The lead-zinc slag molten bath smelting device of claim 5, characterized in that: the inside central point of support frame (1005) puts and installs filter pulp (1004), and installs air outlet (1003) on purifying box (1007) outer wall of filter pulp (1004) one side, the central point department on purifying box (1007) top installs circulating water pump (1001), and conveying pipe (1002) are all installed at the both ends of circulating water pump (1001), and the one end of conveying pipe (1002) extends to the inside of purifying box (1007).