Device and method for purifying waste gas in pyrogenic copper smelting process of waste copper
By designing a multi-stage filtration and desulfurization treatment waste gas purification device, the problems of structural damage and toxic gases not separated when the existing devices deal with particulate waste gases are solved, and a more efficient waste gas purification effect is achieved.
Patent Information
- Application Number
- CN202411552792.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-02-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
When the existing waste gas purification device treats particulate waste gas, the filter structure is prone to damage and blockage, and the toxic gases are not effectively separated, which affects the purification effect.
A waste gas purification device during the waste copper fire smelting process is designed, including a dust removal separation tower, settlement separation box, desulfurization box and filling control components. Through multi-stage filtration and desulfurization treatment, the purification effect is improved.
Effectively initially treat large particulate matter, further refine and settle particulate matter in the gas, and remove sulfur dioxide and other sulfides in the waste gas, improving the purification effect and avoiding damage and blockage of the filter structure.
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Figure CN119386651A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of waste gas purification devices, and in particular to a waste gas purification device and method in a process of pyrometallurgical copper smelting using scrap copper. Background Art
[0002] Pyrometallurgy of scrap copper is an important way to produce recycled copper. The pyrometallurgy process has the advantages of high processing efficiency and good product quality. The waste gas purification devices in the process of pyrometallurgy of scrap copper can effectively remove smoke particles and harmful substances in the waste gas, protect the environment and human health, and the existing waste gas purification devices use dry dust removal and filter through cyclone separators and bag filters. Since the gas contains particulate matter, it impacts the internal filter structure, causing damage and blockage inside it, and the toxic gas is not effectively separated, affecting the overall purification effect; so we proposed a waste gas purification device and method in the process of pyrometallurgy of scrap copper to solve the above problems. Summary of the invention
[0003] In order to overcome the existing waste gas purification equipment, dry dust removal is used, and filtration is performed through a cyclone separator and a bag filter element. Since the gas contains particulate matter, it impacts the internal filter structure, causing damage and blockage inside it, and the toxic gas is not effectively separated, affecting the overall purification effect.
[0004] The technical solution of the present invention is: a waste gas purification device in the process of pyrometallurgical copper smelting of waste copper, comprising a dust removal and separation tower, a sedimentation and separation box, a filling pipe, a desulfurization box, a filling control component, a conveying pipe, a solution storage box and an exhaust pipe; a dust removal and separation tower for preliminary treatment of large particles, the top of the dust removal and separation tower is circumferentially provided with three groups of filling pipes for filling and guiding the waste gas, one side of the dust removal and separation tower is connected with a sedimentation and separation box for further refining and settling the particles in the gas, the sedimentation and separation box is connected away from the dust removal and separation tower and is provided with a desulfurization box for removing sulfides such as sulfur dioxide from the waste gas and separating and purifying, both sides of the desulfurization box are provided with solution storage boxes for filling reaction solvents, a conveying pipe is provided between the solution storage box and the desulfurization box, the desulfurization box is provided with a filling control component for monitoring internal reaction changes and controlling the filling of the conveying pipe, and the top of the desulfurization box is provided with three groups of exhaust pipes for discharging purified gas.
[0005] Preferably, a dust removal and separation tower is used for preliminary treatment of large particles, and a sedimentation separation box can be used to further refine and settle the particles in the gas. The desulfurization box can be used to separate and purify sulfides such as sulfur dioxide in the exhaust gas. The solution storage box located on both sides of the desulfurization box can be used to add reaction solvents. The filling control component is located on the desulfurization box, which can monitor internal reaction changes and control the filling of the delivery pipe, thereby improving the overall monitoring effect.
[0006] Preferably, the dust removal and separation tower includes a tower body, a protective ring, a connecting box, a first battery control module, a first vibrating rod, a bracket, a first guide pipe, a first electromagnetic control valve, a first indicator light, a rotating rod, a connecting cover, a driving motor, a filter disc, a cutting arc claw, a first crushing block, a bottom plate, a steering rod, a diversion blade, a first diversion groove, a second diversion groove, a perforation and a second crushing block. The tower body is integrally formed from bottom to top with a protective ring, a connecting box is provided in an annular direction on the upper side of the protective ring, a first battery control module is provided on the top of the connecting box, a first vibrating rod that penetrates into the tower body is provided on the inner side of the connecting box, a bracket is provided in an annular direction at the bottom edge of the tower body, the lower outer end of the tower body is connected to a first guide pipe that penetrates into a sedimentation separation box, a first electromagnetic control valve is provided on the first guide pipe, a first indicator light is provided on the top of the first electromagnetic control valve, and the first indicator light is fed back by the first electromagnetic control valve for observation.
[0007] Preferably, a filter disc is fixedly provided inside the tower body corresponding to the protective ring, a through hole is provided in the center of the filter disc, a first diversion groove and a second diversion groove are circumferentially distributed on the filter disc, a second crushing block is provided between the first diversion groove and the second diversion groove, and the first crushing block and the second crushing block cooperate with each other to crush large particles synchronously to reduce gas impact.
[0008] Preferably, a connecting cover is provided on the top of the tower body, a rotating rod passing through the center of the connecting cover, a multi-component arc cutting claw is provided on the outer end of the rotating rod in a circumferential direction from bottom to top, a first crushing block corresponding to the second crushing block is provided on the lower end of the arc cutting claw, a driving motor drives the rotating rod to drive the arc cutting claw to rotate, a steering rod is coaxially provided below the rotating rod, a bottom plate is sleeved on the bottom of the steering rod, a diverter blade is provided in a circumferential direction on the outer end of the steering rod, a control motor is provided at the bottom of the steering rod, the control motor drives the steering rod to drive the diverter blade to rotate, and the control motor drives the steering rod to drive the diverter blade to rotate, thereby guiding the gas diversion to pass through the first guide pipe.
[0009] Preferably, a sealing cover is integrally formed on the sedimentation and separation box, a water box is provided on the top of the sealing cover, a first guide tube is provided on the top of the water box, a pressure pump is provided inside the water box, a plurality of injection tubes are evenly distributed on the bottom of the sealing cover, an injector is provided inside the injection tube, a second guide tube is provided at the outer end of the sedimentation and separation box, a second electromagnetic control valve is provided in the middle of the second guide tube, a second indicator light is provided on the top of the second electromagnetic control valve, a gas content sensor is provided on the inner wall of the sedimentation and separation box, an induction light is provided at the outer end of the gas content sensor, the gas content sensor detects and feeds back to the induction light, the gas enters the second guide tube, the second electromagnetic control valve opens, and the feedback is fed back to the second indicator light.
[0010] Preferably, a waste box is provided at the bottom of the desulfurization box, second plug-in holes are provided on both sides of one end of the waste box, a handle is provided at the end of the waste box, an interface for inserting the waste box is provided at the lower outer end of the desulfurization box, a sleeve box is provided on the outer end of the interface, and a first plug-in hole is provided at both ends of the sleeve box, and the gas is discharged through the exhaust pipe. After the discharge is completed, the first plug-in hole and the second plug-in hole are disassembled, and the waste box is pulled out by the handle for cleaning.
[0011] Preferably, a sealing sleeve is provided at the top of the exhaust pipe, and the filling control assembly includes a connecting frame, a cross frame, a gas detection rod, a flashing light, a sub-controller, a wire pipe and a third electromagnetic control valve. The connecting frame is arranged in two groups opposite to each other, and a cross frame is linearly connected between the two groups of connecting frames. A gas detection rod extending into the desulfurization box is provided in the middle of the cross frame, and a gas content detector is provided inside the gas detection rod. A flashing light is provided at the top of the gas detection rod, and a sub-controller electrically connected to the flashing light is provided at the top of the connecting frame. A wire pipe is provided at the lower end of the sub-controller, and a third electromagnetic control valve connected to the delivery pipe is provided at the lower end of the wire pipe. The gas detection rod passes through the gas content detector, and the feedback from the flashing light is electrically transmitted to the sub-controller through the wire pipe to control the opening of the third electromagnetic control valve.
[0012] Preferably, a plurality of second battery control modules are laterally arranged on the top of the solution storage box, a second vibrating rod is arranged at the lower end of the second battery control module, and a second guide tube is arranged at the outer end of the solution storage box. When the solvent enters the solution storage box, the second battery control module drives the second vibrating rod to process the solvent to avoid stratification.
[0013] According to another aspect of the present invention, there is provided a waste gas purification device and method in a waste copper pyrometallurgical copper smelting process, comprising the following steps:
[0014] S1. Pre-guide the exhaust gas into the dust removal and separation tower through the filling pipe, drive the motor to drive the rotating rod to drive the split arc claw to rotate, so that the gas sinks in a vortex shape, and the first crushing block and the second crushing block cooperate with each other to crush large particles to reduce gas impact, and separate and filter through the first diversion groove and the second diversion groove on the filter disc. The first battery control module drives the first vibrating rod to vibrate the filter disc to avoid particle blockage, and the control motor drives the steering rod to drive the diversion blade to rotate, and guides the gas diversion to pass through the first guide pipe;
[0015] S2, the first electromagnetic control valve is opened and fed back to the first indicator light, the first guide tube is synchronously connected to the solvent tube, the solvent enters the water box, and is guided to the multiple injection tubes by the pressure pump, and is ejected through the ejector, so that the gas impurities are precipitated and separated, and the gas content sensor detects and feeds back to the induction lamp, the gas enters the second guide tube, the second electromagnetic control valve is opened, and the feedback is fed back to the second indicator light;
[0016] S3, the gas enters the desulfurization box, and the second guide tube is used to connect the alkaline desulfurizer (such as limestone, CaO, sodium hydroxide, etc.) to the solvent tube for making slurry, and the solvent enters the solution storage box. The second battery control module drives the second vibrator to process the solvent to avoid stratification;
[0017] S4. The gas detection stick passes through the gas content detector, and the feedback from the flashing light is transmitted electrically to the sub-controller through the wire pipe to control the third electromagnetic control valve to open. The gas is filled to the extent that the gas content changes, and the valve is closed to mix with the boiler flue gas. Sulfur dioxide becomes acid when it meets water, and reacts with the alkaline desulfurizer to form calcium sulfate (CaSO) and other desulfurization end products, thereby achieving the purpose of desulfurization. The gas is discharged through the exhaust pipe. After the discharge is completed, the first plug hole and the second plug hole are removed, and the waste box is pulled out by the handle for cleaning.
[0018] Beneficial effects of the present invention:
[0019] 1. According to the existing waste gas purification devices, dry dust removal is used, and filtration is performed through cyclone separators and bag filters. Since the gas contains particulate matter, it impacts the internal filter structure, causing damage and blockage inside it, and the toxic gas is not effectively separated, affecting the overall purification effect. Differently, the dust removal and separation tower used for preliminary treatment of large particles can be used to further refine and settle the particulate matter in the gas using a sedimentation separation box. Through the desulfurization box, it can be used to remove sulfur dioxide and other sulfides from the waste gas for separation and purification. The solution storage box, located on both sides of the desulfurization box, can be used to add reaction solvents. Through the filling control component, which is set on the desulfurization box, the internal reaction changes can be monitored to control the filling of the delivery pipe, thereby improving the overall monitoring effect.
[0020] 2. When purifying, the gas enters the desulfurization box, and the second conducting tube is used to connect the solvent tube of the slurry made of alkaline desulfurizer (such as limestone, CaO, sodium hydroxide, etc.). The solvent enters the solution storage box, and the second battery control module drives the second vibrator to process the solvent. The gas detection rod passes through the gas content detector, and the feedback from the flashing light is transmitted electrically to the sub-controller through the wire pipe to control the third electromagnetic control valve to open. The gas is filled to the extent that the gas content changes, and the valve is closed to mix with the boiler flue gas. Sulfur dioxide becomes acid when it meets water, and reacts with the alkaline desulfurizer to form desulfurization end products such as calcium sulfate (CaSO), thereby achieving the purpose of desulfurization. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is an overall schematic diagram of the exhaust gas purification device of the present invention;
[0022] Figure 2 It is a schematic diagram of a dust removal and separation tower of an exhaust gas purification device of the present invention;
[0023] Figure 3It is a schematic diagram of the explosion of the dust removal and separation tower of the waste gas purification device of the present invention;
[0024] Figure 4 It is a schematic diagram of the filter disc of the exhaust gas purification device of the present invention;
[0025] Figure 5 It is a schematic diagram of a sedimentation separation box of the waste gas purification device of the present invention;
[0026] Figure 6 It is a schematic diagram of a desulfurization box of an exhaust gas purification device of the present invention;
[0027] Figure 7 A schematic diagram of a filling control assembly of an exhaust gas purification device according to the present invention;
[0028] Figure 8 It is a schematic diagram of the solution storage box of the exhaust gas purification device of the present invention.
[0029] Explanation of reference numerals: 1. dust removal and separation tower; 2. sedimentation and separation box; 3. filling pipe; 4. desulfurization box; 5. filling control assembly; 6. delivery pipe; 7. solution storage box; 8. exhaust pipe; 101. protection ring; 102. connection box; 103. first battery control module; 104. first vibrating rod; 105. bracket; 106. first guide pipe; 107. first electromagnetic control valve; 108. first indicator light; 109. rotating rod; 110. connection cover; 111. driving motor; 112. filter disc; 113. arc cutting claw; 114. first crushing block; 115. bottom plate; 116. steering rod; 117. diverter blade; 118. first diverter slot; 119. second diverter slot; 120. 0, perforation; 121, second crushing block; 201, second electromagnetic control valve; 202, second indicator light; 203, second guide tube; 204, sealing cover; 205, injection tube; 206, first guide tube; 207, pressure pump; 208, induction lamp; 401, sleeve; 402, first plug hole; 403, interface; 404, waste box; 405, handle; 406, second plug hole; 501, connecting frame; 502, cross frame; 503, gas detection rod; 504, flashing light; 505, sub-controller; 506, wire tube; 507, third electromagnetic control valve; 701, second guide tube; 702, second battery control module; 703, second vibrator; 801, sealing sleeve. DETAILED DESCRIPTION
[0030] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0031] See also Figure 1-3The present invention provides an embodiment: a waste gas purification device in the process of pyrometallurgical copper smelting of waste copper, comprising a dust removal and separation tower 1, a sedimentation and separation box 2, a filling pipe 3, a desulfurization box 4, a filling control component 5, a conveying pipe 6, a solution storage box 7 and an exhaust pipe 8; a dust removal and separation tower 1 for preliminary treatment of large particles, the top of the dust removal and separation tower 1 is circumferentially provided with three groups of filling pipes 3 for filling and guiding waste gas, one side of the dust removal and separation tower 1 is connected with a sedimentation and separation box 2 for further refining and settling particulate matter in the gas, the sedimentation and separation box 2 is connected with a desulfurization box 4 for removing sulfur dioxide and other sulfides from the waste gas, separating and purifying, both sides of the desulfurization box 4 are provided with a solution storage box 7 for filling a reaction solvent, a conveying pipe 6 is provided between the solution storage box 7 and the desulfurization box 4, the desulfurization box 4 is provided with a filling control component 5 for monitoring internal reaction changes and controlling the filling of the conveying pipe 6, and the top of the desulfurization box 4 is provided with three groups of exhaust pipes 8 for discharging purified gas.
[0032] See also Figure 1-4 In this embodiment, the dust removal and separation tower 1 includes a tower body, a protection ring 101, a connection box 102, a first battery control module 103, a first vibrating rod 104, a bracket 105, a first guide pipe 106, a first electromagnetic control valve 107, a first indicator light 108, a rotating rod 109, a connection cover 110, a driving motor 111, a filter plate 112, a cutting arc claw 113, a first crushing block 114, a bottom plate 115, a steering rod 116, a diverter blade 117, a first diverter groove 118, a second diverter groove 119, a perforation 120 and a second crushing block 121. The tower body is integrally formed from bottom to top with a protection ring 101, and the upper ring of the protection ring 101 is provided with a connection box 102, and the top of the connection box 102 is provided with a first battery control module 103, and the inner side of the connection box 102 is provided with a first vibrating rod that penetrates into the tower body. Rod 104, a bracket 105 is circumferentially arranged at the bottom edge of the tower body, a first guide pipe 106 which goes deep into the sedimentation separation box 2 is connected to the lower outer end of the tower body, a first electromagnetic control valve 107 is arranged on the first guide pipe 106, a first indicator light 108 is arranged on the top of the first electromagnetic control valve 107, and the first indicator light 108 is fed back by the first electromagnetic control valve 107 for observation, a filter disc 112 is fixedly arranged corresponding to the protective ring 101 inside the tower body, a through hole 120 is arranged at the center of the filter disc 112, a first diverter slot 118 and a second diverter slot 119 are circumferentially arranged on the filter disc 112, a second crushing block 121 is arranged between the first diverter slot 118 and the second diverter slot 119, and the first crushing block 114 and the second crushing block 121 are synchronously cooperated to crush large particles to reduce gas impact.
[0033] See also Figure 3-5In this embodiment, a connecting cover 110 is provided on the top of the tower body, and a rotating rod 109 is provided at the center of the connecting cover 110. A multi-component arc cutting claw 113 is provided in an annular direction from bottom to top on the outer end of the rotating rod 109. A first crushing block 114 corresponding to the second crushing block 121 is provided at the lower end of the arc cutting claw 113. A driving motor 111 drives the rotating rod 109 to drive the arc cutting claw 113 to rotate. A steering rod 116 is coaxially provided below the rotating rod 109. A bottom plate 115 is sleeved on the bottom of the steering rod 116. A diverter blade 117 is provided in an annular direction on the outer end of the steering rod 116. A control motor is provided at the bottom of the steering rod 116. The control motor drives the steering rod 116 to drive the diverter blade 117 to rotate. The control motor drives the steering rod 116 to drive the diverter blade 117 to rotate, so as to guide the gas diversion to pass through the first guide pipe 106, a sealing cover 204 is integrally formed on the sedimentation separation box 2, a water box is provided on the top of the sealing cover 204, a first guide tube 206 is provided on the top of the water box, a pressure pump 207 is provided inside the water box, a plurality of injection tubes 205 are evenly distributed on the bottom of the sealing cover 204, an injector is provided inside the injection tube 205, a second guide tube 203 is provided at the outer end of the sedimentation separation box 2, a second electromagnetic control valve 201 is provided in the middle of the second guide tube 203, a second indicator light 202 is provided on the top of the second electromagnetic control valve 201, a gas content sensor is provided on the inner wall of the sedimentation separation box 2, a sensing lamp 208 is provided at the outer end of the gas content sensor, the gas content sensor detects and feeds back to the sensing lamp 208, the gas enters the second guide tube 203, the second electromagnetic control valve 201 is opened, and the feedback is fed back to the second indicator light 202.
[0034] See also Figure 4-6In this embodiment, a waste box 404 is provided at the bottom of the desulfurization box 4, and second plug holes 406 are provided on both sides of one end of the waste box 404. A handle 405 is provided at the end of the waste box 404. An interface 403 for inserting the waste box 404 is provided at the lower outer end of the desulfurization box 4. A sleeve 401 is provided at the outer end of the interface 403. Both ends of the sleeve 401 are provided with a first plug hole 402. The gas is discharged through the exhaust pipe 8. After the discharge is completed, the first plug hole 402 and the second plug hole 406 are disassembled, and the waste box 404 is pulled out by the handle 405 for cleaning. A sealing sleeve 801 is provided on the top of the exhaust pipe 8. The filling control component 5 includes a connecting frame 501, a horizontal frame 502, a gas detection stick 503, a flashing light 504, a sub-controller 505, a wire pipe 506 and a third electromagnetic control valve 507 The connecting frame 501 is arranged in two groups opposite to each other, and a horizontal frame 502 is linearly connected between the two groups of connecting frames 501. A gas detection rod 503 that penetrates into the desulfurization box 4 is provided in the middle of the horizontal frame 502. A gas content detector is provided inside the gas detection rod 503. The model of the gas content detector is MHY-29638. A flashing light 504 is provided on the top of the gas detection rod 503. A sub-controller 505 electrically connected to the flashing light 504 is provided on the top of the connecting frame 501. A wire pipe 506 is provided at the lower end of the sub-controller 505. A third electromagnetic control valve 507 connected to the conveying pipe 6 is provided at the lower end of the wire pipe 506. The gas detection rod 503 passes through the gas content detector, and the feedback from the flashing light 504 is electrically transmitted to the sub-controller 505 through the wire pipe 506 to control the opening of the third electromagnetic control valve 507.
[0035] See also Figure 1-8 In this embodiment, a plurality of second battery control modules 702 are horizontally arranged on the top of the solution storage box 7, a second vibrating rod 703 is arranged at the lower end of the second battery control module 702, and a second guide tube 701 is arranged at the outer end of the solution storage box 7. When the solvent enters the solution storage box 7, the second battery control module 702 drives the second vibrating rod 703 to process the solvent to avoid stratification.
[0036] According to another aspect of the present invention, a waste gas purification device and method in a copper smelting process of scrap copper is provided, comprising the following steps:
[0037] S1. Preliminarily guide the exhaust gas into the dust removal and separation tower 1 through the filling pipe 3. The driving motor 111 drives the rotating rod 109 to drive the dividing arc claw 113 to rotate, so that the gas sinks in a vortex shape. The first crushing block 114 and the second crushing block 121 are synchronized to cooperate with each other to crush large particles, reduce gas impact, and separate and filter through the first diverter groove 118 and the second diverter groove 119 on the filter plate 112. The first battery control module 103 drives the first vibrating rod 104 to vibrate the filter plate 112 to avoid particle blockage. The control motor drives the steering rod 116 to drive the diverter blade 117 to rotate, and guides the gas diversion to pass through the first guide pipe 106;
[0038] S2, the first electromagnetic control valve 107 is opened and fed back to the first indicator light 108, the first guide tube 206 is synchronously connected to the solvent tube, the solvent enters the water box, and is guided to the multiple injection tubes 205 by the pressure pump 207, and is ejected through the injector to make the gas impurities settle and separate, and the gas content sensor detects and feeds back to the induction lamp 208, the gas enters the second guide tube 203, the second electromagnetic control valve 201 is opened, and the feedback is fed back to the second indicator light 202;
[0039] S3, the gas enters the desulfurization box 4, and the second guide tube 701 is used to connect the alkaline desulfurizer (such as limestone, CaO, sodium hydroxide, etc.) to the solvent tube for making slurry, and the solvent enters the solution storage box 7, and the second battery control module 702 drives the second vibrating rod 703 to process the solvent to avoid stratification;
[0040] S4, the gas detection stick 503 passes through the gas content detector, and the feedback from the flashing light 504 is electrically transmitted to the sub-controller 505 through the wire tube 506 to control the third electromagnetic control valve 507 to open, and the gas is filled to the extent that the gas content changes, and the valve is closed to mix with the boiler flue gas. Sulfur dioxide reacts with water to form acid, and reacts with the alkaline desulfurizer to form calcium sulfate (CaSO) and other desulfurization end products, thereby achieving the purpose of desulfurization. The gas is discharged through the exhaust pipe 8. After the discharge is completed, the first plug hole 402 and the second plug hole 406 are disassembled, and the waste box 404 is pulled out by the handle 405 for cleaning.
[0041] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the spirit of the present invention.
Claims
1. A waste gas purification device in a waste copper pyrometallurgical copper smelting process, comprising a dust removal and separation tower (1); characterized in that: It also includes a sedimentation separation box (2), a filling pipe (3), a desulfurization box (4), a filling control component (5), a conveying pipe (6), a solution storage box (7) and an exhaust pipe (8); a dust removal and separation tower (1) for preliminary treatment of large particles, the top of the dust removal and separation tower (1) is provided with three groups of filling pipes (3) for filling and guiding exhaust gas, one side of the dust removal and separation tower (1) is connected to a sedimentation separation box (2) for further refining and settling particles in the gas, and the sedimentation separation box (2) is away from the dust removal and separation tower (1). A desulfurization box (4) for removing sulfides such as sulfur dioxide from exhaust gas and separating and purifying them is connected to the dust removal and separation tower (1). Solution storage boxes (7) for filling reaction solvents are provided on both sides of the desulfurization box (4). A delivery pipe (6) is provided between the solution storage box (7) and the desulfurization box (4). A filling control component (5) for monitoring internal reaction changes and controlling the filling of the delivery pipe (6) is provided on the desulfurization box (4). Three groups of exhaust pipes (8) for discharging purified gas are provided at the top of the desulfurization box (4).
2. The waste gas purification device in the process of pyrometallurgical copper smelting according to claim 1 is characterized by: The dust removal and separation tower (1) comprises a tower body, a protection ring (101), a connection box (102), a first battery control module (103), a first vibrating rod (104), a bracket (105), a first guide pipe (106), a first electromagnetic control valve (107), a first indicator light (108), a rotating rod (109), a connection cover (110), a driving motor (111), a filter plate (112), a cutting arc claw (113), a first crushing block (114), a bottom plate (115), a steering rod (116), a flow dividing blade (117), a first flow dividing groove (118), a second flow dividing groove (119), a perforation (120) and a second A crushing block (121) is provided, and a protective ring (101) is integrally formed from bottom to top of the tower body; a connection box (102) is provided in an annular direction on the upper side of the protection ring (101); a first battery control module (103) is provided on the top of the connection box (102); a first vibrating rod (104) that penetrates into the tower body is provided on the inner side of the connection box (102); a bracket (105) is provided in an annular direction at the bottom edge of the tower body; a first guide pipe (106) that penetrates into a sedimentation separation box (2) is connected to the lower outer end of the tower body; a first electromagnetic control valve (107) is provided on the first guide pipe (106); and a first indicator light (108) is provided on the top of the first electromagnetic control valve (107).
3. The waste gas purification device in the process of pyrometallurgical copper smelting according to claim 2 is characterized by: A filter disc (112) is fixedly arranged inside the tower body corresponding to the protective ring (101); a through hole (120) is provided at the center of the filter disc (112); a first flow diversion groove (118) and a second flow diversion groove (119) are circumferentially arranged on the filter disc (112); and a second crushing block (121) is arranged between the first flow diversion groove (118) and the second flow diversion groove (119).
4. The waste gas purification device in the process of pyrometallurgical copper smelting of waste copper according to claim 2, characterized in that: A connecting cover (110) is provided at the top of the tower body. A rotating rod (109) passing through the center of the connecting cover (110) is provided. A multi-component arc cutting claw (113) is provided in an annular direction from bottom to top at the outer end of the rotating rod (109). A first crushing block (114) corresponding to a second crushing block (121) is provided at the lower end of the arc cutting claw (113). A driving motor (111) drives the rotating rod (109) to drive the arc cutting claw (113) to rotate. A steering rod (116) is coaxially provided below the rotating rod (109). A bottom plate (115) is sleeved at the bottom of the steering rod (116). A diverter blade (117) is provided in an annular direction at the outer end of the steering rod (116). A control motor is provided at the bottom of the steering rod (116). The control motor drives the steering rod (116) to drive the diverter blade (117) to rotate.
5. The waste gas purification device in the process of pyrometallurgical copper smelting according to claim 1 is characterized by: A sealing cover (204) is integrally formed on the sedimentation separation box (2), a water box is provided on the top of the sealing cover (204), a first guide tube (206) is provided on the top of the water box, a pressure pump (207) is provided inside the water box, a plurality of groups of injection tubes (205) are evenly distributed on the bottom of the sealing cover (204), an injector is provided inside the injection tube (205), a second guide tube (203) is provided at the outer end of the sedimentation separation box (2), a second electromagnetic control valve (201) is provided in the middle of the second guide tube (203), a second indicator light (202) is provided on the top of the second electromagnetic control valve (201), a gas content sensor is provided on the inner wall of the sedimentation separation box (2), and a sensing lamp (208) is provided at the outer end of the gas content sensor.
6. The waste gas purification device in the process of pyrometallurgical copper smelting of scrap copper according to claim 1, characterized in that: A waste box (404) is provided at the bottom of the desulfurization box (4), and second plug holes (406) are provided on both sides of one end of the waste box (404). A handle (405) is provided at the end of the waste box (404). An interface (403) for inserting the waste box (404) is provided at the lower outer end of the desulfurization box (4), and a sleeve (401) is sleeved on the outer end of the interface (403), and first plug holes (402) are provided at both ends of the sleeve (401).
7. The waste gas purification device in the process of pyrometallurgical copper smelting of waste copper according to claim 1, characterized in that: A sealing sleeve (801) is provided at the top of the exhaust pipe (8), and the filling control assembly (5) includes a connecting frame (501), a cross frame (502), a gas detection stick (503), a flashing light (504), a sub-controller (505), a wire tube (506) and a third electromagnetic control valve (507). The connecting frame (501) is arranged in two groups opposite to each other, and a cross frame (502) is linearly connected between the two groups of connecting frames (501). The middle part of the cross frame (502) is provided with a deep-release valve. A gas detection rod (503) of the sulfur box (4) is provided with a gas content detector inside the gas detection rod (503), a flashing light (504) is provided on the top of the gas detection rod (503), a sub-controller (505) electrically connected to the flashing light (504) is provided on the top of the connecting frame (501), a wire tube (506) is provided at the lower end of the sub-controller (505), and a third electromagnetic control valve (507) connected to the conveying pipe (6) is provided at the lower end of the wire tube (506).
8. The waste gas purification device in the process of pyrometallurgical copper smelting of waste copper according to claim 1, characterized in that: A plurality of second battery control modules (702) are arranged transversely on the top of the solution storage box (7), a second vibrating rod (703) is arranged at the lower end of the second battery control module (702), and a second guide tube (701) is arranged at the outer end of the solution storage box (7).
9. A waste gas purification device and method in a waste copper pyrometallurgical copper smelting process, comprising a waste gas purification device in a waste copper pyrometallurgical copper smelting process according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1, guiding the exhaust gas into the dust removal and separation tower (1) through the filling pipe (3) in advance, driving the motor (111) to drive the rotating rod (109) to drive the splitting arc claw (113) to rotate, so that the gas sinks in a vortex shape, and the first crushing block (114) and the second crushing block (121) cooperate with each other to crush large particles, reduce gas impact, and separate and filter through the first diversion groove (118) and the second diversion groove (119) on the filter disc (112), the first battery control module (103) drives the first vibrating rod (104) to vibrate the filter disc (112) to avoid particle blockage, and the control motor drives the steering rod (116) to drive the diversion blade (117) to rotate, so as to guide the gas diversion to pass through the first guide pipe (106); S2, the first electromagnetic control valve (107) is opened and fed back to the first indicator light (108), the first guide tube (206) is synchronously connected to the solvent tube, the solvent enters the water box, is guided to the multiple injection tubes (205) by the pressure pump (207), and is ejected through the injector, so that the gas impurities are precipitated and separated, and the gas content sensor detects and feeds back to the induction lamp (208), the gas enters the second guide tube (203), the second electromagnetic control valve (201) is opened, and the second indicator light (202) is fed back; S3, the gas enters the desulfurization box (4), and the second guide tube (701) is connected to the solvent tube of the slurry made of alkaline desulfurizer (such as limestone, CaO, sodium hydroxide, etc.), and the solvent enters the solution storage box (7), and the second battery control module (702) drives the second vibrating rod (703) to process the solvent to avoid stratification; S4, the gas detection rod (503) passes through the gas content detector, and the feedback from the flashing light (504) is electrically transmitted to the sub-controller (505) through the wire tube (506) to control the third electromagnetic control valve (507) to open, and the gas is filled to the extent that the gas content changes, and the valve is closed to mix with the boiler flue gas. Sulfur dioxide reacts with water to form acid, and reacts with the alkaline desulfurizer to generate calcium sulfate (CaSO) and other desulfurization end products, thereby achieving the purpose of desulfurization. The gas is discharged through the exhaust pipe (8). After the discharge is completed, the first plug hole (402) and the second plug hole (406) are disassembled, and the waste box (404) is pulled out by the handle (405) for cleaning.