Lead electrolytic anode lead melting pot dust collecting device

Abstract

The utility model discloses a kind of lead electrolytic anode lead melting pot dust collection devices, belong to metal smelting environmental protection processing technical field, it includes: fixed dust hood, fixed dust hood is fixedly arranged on the platform of lead pot side, the air inlet of fixed dust hood is arranged towards lead pot;Movable air guide cover is slidably arranged on light rail of platform, movable air guide cover can be moved to the upper of lead pot and cooperate fixed dust hood to guide flue gas flow;Blowing assembly is arranged on the other side of lead pot away from fixed dust hood, blowing assembly is used to push flue gas into fixed dust hood;Suction fan is arranged on the exhaust pipe connected with fixed dust hood, suction fan cooperates blowing assembly to form blowing and sucking two-stage power, and make flue gas efficient collection, the utility model structure is simple, for efficiently collecting lead dust and flue gas generated in lead melting process, give consideration to operation environmental protection and production operability.

Description

Technical Field

[0001] This utility model belongs to the technical field of environmental protection equipment for lead smelting, and specifically relates to a dust collection device for a lead electrolysis anode melting pot. Background Technology

[0002] In lead electrolytic anode production, the lead melting pot, as an open smelting device, generates a large amount of lead-containing vapor and dust, especially when the electrolytic residue contains moisture, which can easily lead to explosive dust emissions. This type of lead dust exists in the form of a gaseous sol, which is difficult to settle and seriously endangers the health of workers.

[0003] Existing dust collection equipment has significant drawbacks: fully enclosed hoods are cumbersome to install, easily interfering with crane hoisting and slag removal operations, and are difficult to capture sudden bursts of smoke; traditional blow-suction equipment has an unreasonable pipeline layout, affecting production operations and requiring improvement in the capture efficiency of explosive smoke. The original side-suction hood plus compartmented pulse-jet filter cartridge dust collection system cannot meet the requirements, and environmental policies are increasingly stringent on dust control for smelting enterprises.

[0004] Existing dust collection or dust extraction equipment has the following drawbacks: Insufficient dust capture efficiency: Existing side suction hoods have a small coverage area, making it difficult to form an effective sealed space. Even with increased air volume, the wind speed at the control point remains low, making it impossible to efficiently capture the explosive fumes generated during molten lead and the addition of residual electrodes. The parameters of traditional blowing and suction equipment are not properly matched, resulting in limited capture effects on gaseous sol-like lead dust.

[0005] Interference with production operations: The installation of a fully enclosed hood is cumbersome and will hinder critical operations such as overhead crane hoisting, slag removal by slag remover and lead molten metal stirring. It is only suitable for small lead smelting devices. The side suction hood duct is mostly located in the central operating area. The suction duct of traditional blowing and suction equipment is too large, which causes inconvenience to daily production.

[0006] Insufficient adaptability and environmental friendliness: The original combination of side suction hood and compartment pulse jet filter cartridge dust removal system cannot meet the needs of complex working conditions in the workshop; with the tightening of environmental protection policies, the existing equipment is difficult to meet the strict requirements for smoke and dust emissions, and cannot effectively avoid the threat of lead dust spillage to the environment and the health of workers.

[0007] Therefore, how to provide a dust collection device that balances capture efficiency and operational compatibility is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0008] In view of this, the present invention provides a dust collection device for lead electrolysis anode melting pot, which can improve the efficiency of dust capture, and at the same time improve the production adaptability and environmental protection of metal smelting.

[0009] To achieve the above objectives, this utility model adopts the following technical solution: a dust collection device for a lead electrolysis anode melting pot, comprising: A fixed dust hood is fixedly installed on a platform on one side of the lead pot, with the air inlet of the fixed dust hood facing the lead pot. A movable air guide hood is slidably mounted on the light rail of the platform. The movable air guide hood can be moved above the lead pot and cooperate with the fixed dust collection hood to guide the flow of smoke. A blower assembly is located on the side of the lead pot away from the fixed dust collection hood, and the blower assembly is used to push the smoke into the fixed dust collection hood; The suction fan is installed on the exhaust pipe connected to the outside of the fixed dust collection hood. The suction fan, together with the blowing assembly, forms a two-stage power of blowing and suction, and promotes the efficient collection of smoke.

[0010] The beneficial technical effects of this utility model are: using a movable air guide hood in conjunction with a fixed dust collection hood, it can be flexibly adjusted under different working conditions, improving the flexibility of subsequent production; by providing dual-stage blowing and suction power through the blowing assembly and the suction fan, the wind speed at the control point is increased, achieving efficient collection of explosive smoke, and also reducing the impact of the original large-diameter pipeline on complex layout conditions. Preferably, the movable air guide hood has a parking state and a working state. In the parking state, the movable air guide hood slides outside the fixed dust collection hood. In the working state, the movable air guide hood slides above the lead pot. In the working state, there is a sealing strip at the inner and outer connection between the movable air guide hood and the fixed dust collection hood.

[0011] The resulting technical effect is that the mobile air guide hood has a parking state and a working state according to the needs of use. In the parking state, the mobile air guide hood is fitted outside the fixed dust collection hood, without affecting the subsequent production process. In the working state, it is moved above the lead pot. At the same time, there is a sealing strip at the connection between the mobile air guide hood and the fixed dust collection hood to ensure the suction effect of the smoke, effectively sucking out the smoke and preventing the smoke from overflowing.

[0012] Preferably, the mobile air duct includes a hood body, a beam frame, and a travel drive mechanism. The hood body has a portal frame structure. The beam frame is fixedly installed on the bottom side of the hood body and provides a supporting foundation. The travel drive mechanism is fixedly connected to the beam frame and cooperates with the light rail to achieve sliding.

[0013] The resulting technical effect is that the movement of the mobile air hood is achieved based on a walking drive mechanism, and it can be operated remotely by external personnel.

[0014] Preferably, the walking drive mechanism includes a geared motor, a wheel frame, and a walking wheel. The geared motor is fixedly installed on one side of the beam frame, the wheel frame is fixedly connected to the bottom side of the beam frame, and the walking wheel is rotatably connected to the wheel frame and is drivenly connected to the output shaft of the geared motor.

[0015] The resulting technical effect is that the rotation of the walking wheels is driven by a geared motor, thereby achieving the sliding control effect of the mobile air guide.

[0016] Preferably, the blower assembly includes a blower and a blower tube. The blower is fixedly connected to the bottom of the platform on the side of the lead pot away from the fixed dust collection cover. One end of the blower tube is connected to the air outlet of the blower, and the other end is located on the railing of the platform. The other end of the blower tube is arranged towards the fixed dust collection cover.

[0017] The resulting technical effect is that the blower concentrates and effectively blows air through the air duct, aiming to promote the flow of flue gas and facilitate the efficient collection and treatment of the flue gas in the future.

[0018] Preferably, the other end of the blower pipe is 50-60cm higher than the platform, and the other end of the blower pipe is 7m-8m away from the air inlet of the fixed dust hood.

[0019] The resulting technical effect is that the setting of the air blowing pipe needs to take into account the actual situation, so as not to affect the operation and to ensure efficient blowing and suction.

[0020] Preferably, it also includes a compartment pulse jet filter cartridge dust collector, which is located on the exhaust path of the exhaust duct, and the suction fan is located downstream of the exhaust duct near the compartment pulse jet filter cartridge dust collector.

[0021] The resulting technical effect is that the flue gas is discharged after being treated by the compartment pulse jet filter dust removal system, which can remove the lead liquid adhering to the flue gas and avoid affecting the balance and normal operation of the suction fan.

[0022] Preferably, the suction fan is a duct fan.

[0023] The resulting technical benefits are: the duct fan is easy to install, reduces the impact of the equipment on other accessories, and has high suction efficiency. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the main structure of a dust collection device for a lead electrolysis anode melting pot of lead according to this utility model; Figure 2 This is a schematic diagram of the installation of the walking drive mechanism of the dust collection device for the lead electrolysis anode melting pot of the present invention; Figure 3 This is a schematic diagram of the walking wheel assembly of a dust collection device for a lead electrolysis anode melting pot according to this utility model; Figure 4 This is a schematic diagram of the fan system layout of a dust collection device for a lead electrolysis anode melting pot.

[0025] 1 Fixed dust hood, 2 Lead pot, 3 Platform, 4 Mobile air guide hood, 41 Cover body, 42 Beam frame, 43 Walking drive mechanism, 431 Gear motor, 432 Wheel frame, 433 Walking wheels, 5 Blower assembly, 51 Blower, 52 Blower duct, 6 Extraction fan, 7 Exhaust duct, 8 Light rail. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] See appendix to this utility model Figures 1 to 4 According to an embodiment of the present invention, a dust collection device for a lead electrolysis anode melting pot includes: A fixed dust collection hood 1 is fixedly installed on a platform 3 on one side of the lead pot 2, with the air inlet of the fixed dust collection hood 1 facing the lead pot 2; a rear-opening dust collection port is designed according to the layout of the on-site dust collection pipeline. In order to maximize the flow rate of flue gas capture, the inner diameter of the dust collection port is designed to be the same as the inner diameter of the on-site exhaust pipe 7, DN600; The mobile air guide hood 4 is slidably mounted on the light rail 8 of the platform. The mobile air guide hood 4 can be moved above the lead pot and work with the fixed dust collection hood 1 to guide the flow of smoke. Both the body of the fixed dust collection hood and the body of the mobile air guide hood are made of steel and are reinforced with diagonal bracing (channel steel) to enhance the strength of the body. The blower assembly 5 is located on the other side of the lead pot 2 away from the fixed dust collection hood 1. The blower assembly 5 is used to push the smoke into the fixed dust collection hood 1. The suction fan 6 is installed on the exhaust pipe 7 connected to the fixed dust collection hood 1. The suction fan 6, together with the blowing assembly 5, forms a two-stage power of blowing and suction, which promotes efficient collection of smoke. At the same time, the movable air guide hood can be moved to a different position as needed without affecting subsequent production, and is highly flexible. In other embodiments, the movable air guide hood 4 has a parked state and a working state. In the parked state, the movable air guide hood 4 slides outside the fixed dust collection hood 1. In the working state, the movable air guide hood 4 slides above the lead pot 2. In the working state, there is a sealing strip at the inner and outer connection between the movable air guide hood 4 and the fixed dust collection hood 1 to prevent air leakage at the connection. It can be understood that in the working state, the movable air guide hood and the fixed dust collection hood are sealed together.

[0028] In some other specific embodiments, the mobile air duct 4 includes a duct body 41, a beam frame 42, and a walking drive mechanism 43. The duct body 41 has a portal structure. The beam frame 42 is fixedly installed on the bottom side of the duct body 41 and provides a supporting foundation. There are four sets of walking drive mechanisms 43, which are fixedly connected to the beam frame 42 respectively. The mobile air duct 4 achieves sliding by cooperating with the light rail 8 through the four walking drive mechanisms on both sides.

[0029] The dust collection device is generally not affected by the process flow during actual operation, and its required suction and blowing volumes are not large, effectively reducing the pipe diameter. Therefore, this device adopts a combined blowing and suction method for dust collection. Based on site conditions, the hood length can be set at 10m to provide sufficient working space for lead pot operations. The height is determined with the maximum working height of the internal equipment not exceeding 4m. Based on the spatial data obtained from the site survey, the sliding stroke of the movable air guide hood is determined. Simultaneously, to meet usage requirements, two parking spaces are planned: one for waiting and the other for working.

[0030] In other embodiments, the walking drive mechanism 43 includes a geared motor 431, a wheel frame 432, and a walking wheel 433. The geared motor 431 is fixedly installed on one side of the beam frame 42, the wheel frame 432 is fixedly connected to the bottom side of the beam frame 42, and the walking wheel 433 is rotatably connected to the wheel frame 432 and is drivenly connected to the output shaft of the geared motor 431.

[0031] In practice, a remote control is used to remotely control the geared motor, enabling the movement of the mobile venting hood. During fume capture, the mobile venting hood moves from the parking position (near the fixed dust extraction hood) to the working position (above the lead pot), where the blower operates, and simultaneously, the auxiliary suction fan effectively extracts the large amount of fume generated when lead is added. Once fume recovery is complete or the overhead crane is in operation, the remote control retracts the mobile venting hood.

[0032] For the standard use of geared motors, a theoretical output power of 1.5 kW (4 units) is sufficient. Based on wheel pressure requirements, a standard wheel diameter of φ315mm is selected, with a theoretical motor output speed of 20 r / min. The geared motor is selected based on theoretical output force, theoretical motor output power, and theoretical motor output speed, namely the ZD32-4 motor, with parameters of 1.5kW, 1400 r / min, AC380 V, and 50 Hz. High-temperature resistant proximity switches and cables are also selected.

[0033] In some other specific embodiments, the blower assembly 5 includes a blower 51 and a blower pipe 52. The blower 51 is fixedly connected to the bottom of the platform on the other side of the lead pot 2 away from the fixed dust collection hood 1. One end of the blower pipe 52 is connected to the air outlet of the blower 51, and the other end is reasonably set on the railing of the platform 3. The other end of the blower pipe 52 is arranged towards the fixed dust collection hood 1.

[0034] In other embodiments, the other end of the blower 52 is 50-60cm higher than the platform, and the distance between the fixed dust hood and the lead pot should not be too close. Specifically, the other end of the blower 52 is 7m away from the air inlet of the fixed dust hood 1.

[0035] In some other embodiments, a compartmented pulse jet filter cartridge dust collector is also included. The compartmented pulse jet filter cartridge dust collector is located on the exhaust path of the exhaust duct 7. The suction fan 6 is located downstream of the compartmented pulse jet filter cartridge dust collector in the exhaust duct 7. After being treated by the compartmented pulse jet filter cartridge dust collector, the flue gas is smoothly discharged through the suction fan. The fan impeller will not be affected by the adhesion of lead liquid, thus ensuring its balance and normal operation.

[0036] In practice, the suction fan 6 is a duct fan.

[0037] Workflow: Standby phase: The mobile air guide hood is parked in the parking space, and the parking space corresponds to the mobile air guide hood being nested outside the fixed dust collection hood, and is in standby mode.

[0038] Move to the working position: Use the remote control to remotely control the geared motor to work. The geared motor uses the wheels to move the mobile air guide hood forward (towards the lead pot), so that it gradually separates from the fixed dust collection hood and reaches the working position.

[0039] Smoke capture operation: Operate the blower while simultaneously using the suction fan to effectively extract the large amount of smoke generated when lead is added.

[0040] Condition judgment: Determine whether the conditions of "flue gas recovery completed" or "crane hoisting operation required" are met; if not, return to the "flue gas capture operation" stage to continue execution.

[0041] Retract and reset: If the conditions are met, turn off the hair dryer and stop the auxiliary suction fan; use the remote control to remotely control the geared motor to work. The geared motor uses the wheels to move the movable air guide cover backward (towards the fixed dust cover), so that it is nested and stored with the fixed dust cover, preparing for the next process.

[0042] This device overcomes the problem of low dust capture efficiency in existing equipment, especially for explosive fumes and gaseous lead dust during the addition of residual electrodes, and solves the problems of insufficient wind speed and limited capture range at the control point of the traditional hood.

[0043] It resolves conflicts between equipment and production operations, avoids interference from fully enclosed hoods and side suction hoods on key processes such as overhead crane hoisting, slag removal, and mixing, and adapts to complex workshop conditions.

[0044] To meet the stringent environmental protection requirements for lead smelting enterprises and solve the problems of environmental pollution and personnel health threats caused by lead dust overflow from the original system.

[0045] The use of this device has the following advantages: high dust collection efficiency. The blowing and suction structure, combined with precise parameter design, forms an efficient airflow barrier, which can capture various types of lead dust and fumes from all directions, and the purification effect meets environmental protection standards.

[0046] High operational compatibility: The mobile design and dual parking space planning, combined with remote control, enable seamless integration of dust collection and production operations without affecting the production rhythm.

[0047] Excellent adaptability and safety: The selection of high-temperature resistant components, the sturdy steel structure and the reasonable pipeline layout make it suitable for high-temperature working environments, and remote operation reduces personnel safety risks.

[0048] Significant promotional value: Controllable manufacturing costs and convenient maintenance; it can be widely used in open lead melting equipment of various lead and zinc smelting enterprises, combining environmental benefits and practical value.

[0049] The apparatus and methods disclosed in the embodiments are described simply because they correspond to the methods disclosed in the embodiments. For relevant details, please refer to the method section.

[0050] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A dust collection device for a lead electrolysis anode melting pot, characterized in that, include: A fixed dust hood (1) is fixedly mounted on a platform (3) on one side of a lead pot (2), with the air inlet of the fixed dust hood (1) facing the lead pot (2). The mobile air guide hood (4) is slidably mounted on the light rail (8) of the platform. The mobile air guide hood (4) can be moved above the lead pot and cooperate with the fixed dust collection hood (1) to guide the flow of smoke. A blower assembly (5) is located on the other side of the lead pot (2) away from the fixed dust hood (1). The blower assembly (5) is used to push the flue gas into the fixed dust hood (1). The suction fan (6) is located on the exhaust pipe (7) connected to the fixed dust hood (1). The suction fan (6) works with the blowing assembly (5) to form a two-stage blowing and suction power, and promotes efficient collection of smoke.

2. The dust collection device for a lead electrolysis anode melting pot according to claim 1, characterized in that, The movable air guide hood (4) has a parking state and a working state. In the parking state, the movable air guide hood (4) slides outside the fixed dust collection hood (1). In the working state, the movable air guide hood (4) slides above the lead pot (2). In the working state, there is a sealing strip at the inner and outer connection between the movable air guide hood (4) and the fixed dust collection hood (1).

3. The dust collection device for a lead electrolysis anode melting pot according to claim 2, characterized in that, The mobile air duct (4) includes a duct body (41), a beam frame (42), and a walking drive mechanism (43). The duct body (41) is a portal structure. The beam frame (42) is fixedly installed on the bottom side of the duct body (41) and provides a supporting foundation. The walking drive mechanism (43) is fixedly connected to the beam frame (42). The walking drive mechanism (43) cooperates with the light rail (8) to achieve sliding.

4. A dust collection device for a lead electrolysis anode melting pot according to claim 3, characterized in that, The walking drive mechanism (43) includes a geared motor (431), a wheel frame (432), and a walking wheel (433). The geared motor (431) is fixedly installed on one side of the beam frame (42). The wheel frame (432) is fixedly connected to the bottom side of the beam frame (42). The walking wheel (433) is rotatably connected to the wheel frame (432) and is drivenly connected to the output shaft of the geared motor (431).

5. A dust collection device for a lead electrolysis anode melting pot according to claim 1, characterized in that, The blower assembly (5) includes a blower (51) and a blower pipe (52). The blower (51) is fixedly connected to the bottom of the platform on the other side of the lead pot (2) away from the fixed dust cover (1). One end of the blower pipe (52) is connected to the air outlet of the blower (51), and the other end is located on the railing of the platform (3). The other end of the blower pipe (52) is arranged towards the fixed dust cover (1).

6. A dust collection device for a lead electrolysis anode melting pot according to claim 5, characterized in that, The other end of the blower pipe (52) is 50-60cm higher than the platform, and the other end of the blower pipe (52) is 7m-8m away from the air inlet of the fixed dust hood (1).

7. A dust collection device for a lead electrolysis anode melting pot according to claim 1, characterized in that, It also includes a compartment pulse jet filter cartridge dust collector, which is located on the exhaust path of the exhaust pipe (7), and the suction fan (6) is located downstream of the exhaust pipe (7) near the compartment pulse jet filter cartridge dust collector.

8. A dust collection device for a lead electrolysis anode melting pot according to claim 1, characterized in that, The suction fan (6) is a duct fan.

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