Copper-containing sludge flameless combustion treatment equipment and continuous feeding method thereof

Abstract

The present invention relates to the treatment of copper-containing sludge, and in particular to a flameless combustion treatment device for copper-containing sludge and a continuous feeding method thereof. The flameless combustion treatment device for copper-containing sludge includes a smoldering furnace, a continuous feeding mechanism is provided on the top of the smoldering furnace, and the continuous feeding mechanism includes a mounting frame, a sludge storage hopper, and a telescopic rotating unit. The mounting frame is arranged at the feeding port on the top of the smoldering furnace; the sludge storage hopper is installed inside the middle section of the mounting frame, and has a feeding port on its top, and its lower end is open and docked with the feeding port; the telescopic rotating unit is installed on the top of the mounting frame and extends into the smoldering furnace through the sludge storage hopper, and the lower end of the telescopic rotating unit is connected to a material distribution sealing cone and a rotary material leveler in sequence; the material distribution sealing cone can seal the feeding port when the telescopic rotating unit rises, and at the same time drive the sludge in the sludge storage hopper to rise to prevent the leakage of smoldering smoke; the material distribution sealing cone can evenly drop material when the telescopic rotating unit descends, and the rotary material leveler can crush the material and smooth the sludge at the feeding port.

Description

Technical Field

[0001] The invention belongs to the field of sludge drying, and relates to smoldering treatment of copper-containing sludge, in particular to a flameless combustion treatment device for copper-containing sludge and a continuous feeding method thereof. Background Art

[0002] Traditional sludge smoldering furnaces typically use gate valves or star-shaped ash discharge valves for intermittent feeding. To feed, the valve is opened to pour sludge into the furnace, then closed to seal the feed port. During the feeding process, flue gas escapes through the gaps in the gate valve, resulting in poor sealing. This also causes discontinuous feeding and low processing efficiency. Due to the physical properties of sludge, it easily aggregates and forms bridges in the star-shaped ash discharge valve, resulting in poor feeding. Uneven feeding also leads to uneven material layers within the furnace, causing localized overheating or overcooling, impacting the smoldering effect and overall equipment stability.

[0003] This intermittent feeding method results in a discontinuous feeding process, which affects processing efficiency and cannot meet large-scale processing needs. Discontinuous feeding can also cause temperature fluctuations within the furnace, affecting the smoldering effect. During the feeding process, smoke from the furnace easily escapes from the feed port, causing environmental pollution and wasting energy. Summary of the Invention

[0004] The technical problem to be solved by the present invention is: in order to solve the problems of unstable feeding, flue gas leakage and sludge compaction and bridging in traditional sludge smoldering furnaces in the above-mentioned background technology, a copper-containing sludge flameless combustion treatment equipment is provided. By setting components such as a telescopic rotating unit, a material dividing sealing cone and a rotary material distributor, the technical problems of uneven feeding and unstable operation of the smoldering furnace are solved, thereby achieving the purpose of uniform and stable feeding of the smoldering furnace; at the same time, the technical problem of flue gas leakage during the feeding process of the traditional smoldering furnace is solved, thereby achieving the purpose of continuous and stable operation of the smoldering furnace.

[0005] The technical solution adopted by the present invention to solve the technical problem is: a flameless combustion treatment device for copper-containing sludge, including a smoldering furnace, a continuous feeding mechanism is provided on the top of the smoldering furnace, and the continuous feeding mechanism includes:

[0006] A mounting frame, which is arranged at the feed opening on the top of the smoldering furnace;

[0007] A sludge storage hopper is installed inside the middle section of the mounting frame. The top of the sludge storage hopper has a feed inlet and a lower end opening that interfaces with the feed inlet.

[0008] A telescopic rotating unit is mounted on the top of the mounting frame and extends through the sludge storage hopper into the smoldering furnace. The lower end of the telescopic rotating unit is sequentially connected to a material distribution sealing cone and a rotary material distributor;

[0009] The material dividing and sealing cone can seal the feed port when the telescopic rotating unit rises, and at the same time drive the sludge in the sludge storage hopper to rise to prevent the leakage of smoldering smoke; the material dividing and sealing cone can evenly drop the material when the telescopic rotating unit descends, and the rotary material distributor can crush the material and level the sludge at the feed port.

[0010] The continuous feeding mechanism design achieves continuous and stable sludge feeding, significantly improving treatment efficiency. The material-spreading sealing cone seals the feed port as it rises, preventing smoke leakage and enhancing the equipment's environmental performance. The rotating material leveler breaks up and levels the sludge as it descends, ensuring even filling of the smoldering furnace, preventing localized overheating or underheating, and enhancing the smoldering effect.

[0011] According to one embodiment of the present invention, a telescopic rotating unit in the sludge storage hopper is provided with a plurality of arch-breaking pieces evenly distributed in an upper and lower staggered manner. The arch-breaking pieces stir the sludge in the sludge storage hopper when the telescopic rotating unit rises or falls.

[0012] The arch-breaking blades stir the sludge as the telescopic rotating unit rises or descends, preventing sludge from compacting and bridging, ensuring smooth feeding. This stirring action reduces manual intervention and improves the equipment's automation level and operating efficiency.

[0013] According to one embodiment of the present invention, the angle between two adjacent broken arch pieces is 120°; the maximum outer diameters of the plurality of broken arch pieces decrease successively from top to bottom, and when the material dividing sealing cone seals the feed port, the gaps between the outer walls of the plurality of broken arch pieces and the inner wall of the sludge storage hopper are the same.

[0014] The breaker blades are staggered and arranged at an angle of 120° to ensure uniform mixing and prevent the formation of dead corners in the sludge storage hopper. The maximum outer diameter of the breaker blades decreases from top to bottom and maintains the same clearance with the inner wall of the sludge storage hopper, ensuring comprehensive and consistent mixing.

[0015] According to one embodiment of the present invention, the telescopic rotation unit includes a telescopic cylinder, a connecting sleeve, a rotating assembly and a connecting rod. The telescopic cylinder is installed on the top of the mounting frame, and its piston rod passes through the top wall and is connected to the connecting sleeve. One end of the connecting rod is connected to the connecting sleeve, and the rotating assembly is installed on the connecting sleeve. The rotating assembly consists of a rotating motor, a connecting frame, a driving gear and a driven gear. The connecting frame is fixed to the inner top surface of the mounting frame and is sleeved on the connecting sleeve. The driven gear is fixed on the connecting sleeve. The rotating motor is installed at one end of the connecting frame, and a driving gear meshing with the driven gear is installed on its output shaft.

[0016] The structural design of the telescopic rotary unit simplifies the equipment, improves reliability and ease of maintenance. The coordination of the telescopic cylinder and the rotary assembly enables precise lifting and rotation of the material distribution sealing cone, ensuring continuous and uniform feeding.

[0017] According to one embodiment of the present invention, the connecting rod is coaxial with the central axis of the sludge storage hopper, and a sealing member is provided at the connection between the two.

[0018] The connecting rod is coaxial with the central axis of the sludge storage hopper and is equipped with a seal to ensure tightness during the feeding process and prevent smoke leakage. The seal reduces friction and wear during operation and extends the service life of the equipment.

[0019] According to one embodiment of the present invention, a level meter is provided on the upper portion of the sludge storage hopper, the level meter is connected to the controller of the feed control system, the feed inlet is connected to the external feeding system, and the external feeding system is connected to the feed control system.

[0020] The level meter monitors the sludge level in real time, ensuring a consistently high level in the sludge storage hopper for continuous feeding and sealing. The external feeding system is linked to the feed control system, automatically starting and stopping based on feedback from the level meter, enhancing the automation level of the equipment.

[0021] According to one embodiment of the present invention, the sludge height in the sludge storage hopper is 73% to 85% of the total height of the sludge storage hopper.

[0022] The sludge level in the sludge storage hopper is 73% to 85%, forming an effective sealing layer to prevent smoke leakage. The high material level ensures that there is always enough sludge in the sludge storage hopper, achieving continuous feeding.

[0023] According to one embodiment of the present invention, the rotary material distributor has a plurality of evenly distributed scrapers, each of which has an inclination angle with respect to a horizontal plane, and an upwardly bent portion is provided at an outer end of the scraper.

[0024] The scraper of the rotary material distributor is angled with respect to the horizontal plane and features an upward bend to ensure that the sludge is evenly distributed within the smoldering furnace. The bend prevents sludge from splashing during the distribution process, improving distribution efficiency and equipment operation stability.

[0025] A continuous feeding method for the copper-containing sludge flameless combustion treatment equipment described in the above scheme is also provided, specifically:

[0026] Start feeding: After receiving the feeding command, the feeding control system starts the telescopic cylinder and the rotary motor. The telescopic cylinder lowers the connecting rod at a stroke speed of 10-20nm / s. The material distribution sealing cone follows the connecting rod and opens the feeding port, and the sludge begins to fall.

[0027] Continuous feeding: The material distribution sealing cone evenly distributes the sludge during its descent, ensuring that the sludge enters the smoldering furnace at a stable flow rate. At the same time, the rotary motor drives the connecting rod to rotate at a speed of 5 to 10 rpm. The arch-breaking blades on the connecting rod stir the sludge in the sludge storage hopper. The stirring frequency of the arch-breaking blades is synchronized with the lifting frequency of the telescopic rotary unit to prevent the sludge from compacting and bridging. The material distribution sealing cone and the rotary material distributor rotate synchronously. The rotary material distributor breaks up and flattens the sludge to ensure that the material in the smoldering furnace is evenly filled.

[0028] The material level meter monitors the sludge height in real time at a frequency of 1 time per second. When the sludge height is lower than 73% of the sludge storage hopper, the feed control system starts the external feeding system to replenish the sludge to 82% of the sludge storage hopper. The feeding speed of the external feeding system is 0.5 to 1.0 m 3 / h;

[0029] End of feeding: After the feeding control system receives the stop command, the telescopic cylinder drives the connecting rod to rise, the material distribution sealing cone closes the feeding port of the smoldering furnace, and drives the sludge liquid level in the sludge storage hopper to rise to 85% of the sludge storage hopper, stops the sludge from falling, and prepares for the next feeding.

[0030] An automatic control system enables continuous and stable feeding, ensuring a tight and uniform feeding process. The agitation frequency of the arch-breaking blades is synchronized with the lifting and lowering frequency of the telescopic rotary unit to prevent sludge compaction and bridging, improving feeding efficiency. The linkage control of the level meter and external feeding system ensures a consistently high level in the sludge storage hopper, ensuring continuous feeding and sealing.

[0031] According to one embodiment of the method of the present invention, during the continuous feeding process, the rotary motor performs small-stroke forward and reverse rotations at a frequency of 10 times per minute. This configuration improves the stirring effect, further prevents sludge agglomeration and bridging, and ensures uniformity of the material feeding.

[0032] Beneficial effects of the present invention:

[0033] (1) Through the combination of continuous feeding mechanism and automatic control system, continuous and stable feeding of sludge is achieved, which significantly improves the treatment efficiency and meets the needs of large-scale treatment.

[0034] (2) The design of the material separation sealing cone and the sludge high-level seal ensures the sealing during the feeding process, effectively prevents the leakage of flue gas, and reduces environmental pollution and energy waste.

[0035] (3) The mixing structure with integrated arch-breaking pieces can prevent the sludge from compacting and bridging in the storage hopper, ensuring smooth sludge drop and reducing manual intervention and maintenance costs.

[0036] (4) The combination of the rotary material distributor and the material distribution sealing cone ensures that the sludge is evenly distributed in the smoldering furnace, improves the smoldering effect, prevents local overheating or overcooling, and ensures the stability of equipment operation and treatment effect.

[0037] (5) The design of material level meter and automatic control system can realize automatic control and optimization of feeding process, improve the automation level of equipment, reduce manual operation, ensure the continuity and stability of feeding process, and further optimize the operation efficiency of equipment.

[0038] (6) The simplified design of seals and structures reduces friction and wear during equipment operation, extends the service life of the equipment, and reduces maintenance costs.

[0039] (6) High-efficiency sealing and uniform material distribution design reduce smoke leakage and material splashing, improve the environmental performance of the equipment, and meet environmental protection requirements.

[0040] The flameless combustion treatment equipment for copper-containing sludge and the continuous feeding method thereof of the present invention have significant advantages in improving treatment efficiency, enhancing sealing, preventing sludge compaction and bridging, uniform feeding and distribution, automatic control and optimization, extending equipment service life, and improving environmental protection performance. It not only improves the treatment efficiency and operational stability of the equipment, but also significantly improves the environmental protection performance and automation level of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] The present invention will be further described below with reference to the accompanying drawings and examples.

[0042] Figure 1 It is a structural schematic diagram of the feeding state of the first embodiment of the present invention.

[0043] Figure 2 It is a structural schematic diagram of Example 1 of the present invention when feeding is completed.

[0044] Figure 3 It is a structural diagram of the telescopic rotation unit in Example 1 of the present invention.

[0045] Figure 4 It is a structural schematic diagram of the broken arch piece in Example 1 of the present invention.

[0046] Figure 5 It is a structural schematic diagram of the sludge storage hopper in Example 1 of the present invention.

[0047] Figure 6 It is a structural schematic diagram of the material distribution sealing cone in Example 1 of the present invention.

[0048] Figure 7 It is a structural schematic diagram of the rotary material distributor in the first embodiment of the present invention.

[0049] Figure 8 This is a flow chart of the second embodiment of the present invention.

[0050] In the figure: 1. Smoldering furnace; 11. Feed inlet; 2. Mounting frame; 3. Sludge storage hopper; 31. Feed inlet; 4. Telescopic rotating unit; 41. Telescopic cylinder; 42. Connecting sleeve; 43. Rotating assembly; 431. Rotating motor; 432. Connecting frame; 433. Driving gear; 434. Driven gear; 44. Connecting rod; 45. Seal; 5. Material dividing sealing cone; 6. Rotating material distributor; 61. Scraper; 7. Arch breaker; 8. Level meter. DETAILED DESCRIPTION

[0051] The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams that illustrate the basic structure of the present invention in a schematic manner.

[0052] Example 1

[0053] like Figure 1 and Figure 2 As shown, the flameless combustion treatment equipment for copper-containing sludge of this embodiment includes a smoldering furnace 1. A continuous feeding mechanism is provided on the top of the smoldering furnace 1. The continuous feeding mechanism includes a mounting frame 2, a sludge storage hopper 3 and a telescopic rotating unit 4. The mounting frame is arranged at the feed port 11 on the top of the smoldering furnace 1, specifically in the center of the top of the smoldering furnace 1. The sludge storage hopper 3 is a conical structure with a larger upper portion and a smaller lower portion, which is installed inside the middle section of the mounting frame 2. The top of the sludge storage hopper 3 has an inlet 31, which is arranged close to the edge of the sludge storage hopper 3 so as not to interfere with the telescopic rotating unit 4. The lower end of the sludge storage hopper 3 is open, and the opening is connected to the feed port 11. The telescopic rotating unit 4 is installed on the top of the mounting frame 2 and extends into the sludge storage hopper 3 into the smoldering furnace 1. The lower end of the telescopic rotating unit 4 is connected with a dividing sealing cone 5 and a rotary material distributor 6 in sequence. The dividing sealing cone 5 can seal the feed port 11 when the telescopic rotating unit 4 rises, and at the same time drive the sludge in the sludge storage hopper 3 to rise to prevent the leakage of smoldering smoke; the dividing sealing cone 5 can evenly drop the material when the telescopic rotating unit 4 descends, and the rotary material distributor 6 can crush the material and level the sludge at the feed port 11.

[0054] like Figure 3As shown, the telescopic rotation unit 4 includes a telescopic cylinder 41, a connecting sleeve 42, a rotating assembly 43, and a connecting rod 44. The telescopic cylinder 41 is mounted on the top of the mounting frame 2, and its piston rod passes through the top wall and is connected to the connecting sleeve 42. One end of the connecting rod 44 is connected to the connecting sleeve 42, and the rotating assembly 43 is mounted on the connecting sleeve 42. Specifically, the rotating assembly 43 consists of a rotating motor 431, a connecting frame 432, a driving gear 433, and a driven gear 434. The connecting frame 432 is fixed to the inner top surface of the mounting frame 2 and is sleeved on the connecting sleeve 42. The driven gear 434 is fixed to the connecting sleeve 42. The rotating motor 431 is mounted on one end of the connecting frame 432, and its output shaft is mounted with a driving gear 433 that meshes with the driven gear 434.

[0055] like Figure 4 As shown, a connecting rod 44 extending within the sludge hopper 3 is equipped with three evenly spaced, staggered arches 7. These arches 7 agitate the sludge within the hopper 3 as the telescopic rotary unit 4 ascends or descends. Specifically, the angle between two adjacent arches 7 is 120°. The maximum outer diameter of the three arches 7 decreases from top to bottom, and when the feed opening 11 is sealed by the feed cone 5, the gap between the outer walls of the three arches 7 and the inner wall of the hopper 3 is the same. The connecting rod 44 is coaxial with the central axis of the sludge hopper 3, and a seal 45 is provided at the junction between the two.

[0056] like Figure 5 As shown, a level meter 8 is provided above the sludge storage hopper 3. Level meter 8 is connected to the controller of the feed control system. The feed inlet 31 is connected to the external feeding system, which in turn is connected to the feed control system. The sludge height within the sludge storage hopper 3 is 73% to 85% of the total height of the sludge storage hopper 3.

[0057] like Figure 6 As shown, the material distribution sealing cone 5 is a conical structure that is smaller at the top and larger at the bottom. Its sidewalls are inclined at an angle of less than 60 degrees, which helps the sludge slide smoothly under the action of gravity and avoids clogging. Since the sludge slides down the surface of the material distribution sealing cone 5, its surface roughness is approximately Ra 1.6-3.2 microns. This not only reduces friction between the sludge and the cone surface, ensuring smooth sliding, but also prevents slipping or adhesion caused by an overly smooth surface.

[0058] like Figure 7 As shown, the rotary material distributor 6 has four evenly distributed scrapers 61, which are inclined at an angle of 15° to 30° to the horizontal plane to ensure uniform sludge distribution. The outer ends of the scrapers 61 are provided with upwardly curved portions with a height of 50 to 100 mm to prevent sludge from splashing during the material distribution process.

[0059] The material distribution sealing cone 5 on the flameless combustion treatment equipment for copper-containing sludge of this embodiment can evenly drop materials when the telescopic rotating unit 4 descends, and the rotating material distributor 6 crushes and flattens the sludge, ensuring that the material in the smoldering furnace 1 is evenly filled; thus, the accumulation or uneven distribution of materials is avoided, and the smoldering efficiency and the stability of the equipment operation are improved. The three arch-breaking pieces 7 on the connecting rod 44 stir the sludge when the telescopic rotating unit 4 rises or descends, preventing the sludge from compacting or bridging in the sludge storage hopper 3, further optimizing the uniformity of the feed. The angle between adjacent arch-breaking pieces 7 is 120°, and the maximum outer diameter decreases from top to bottom, and the gap with the inner wall of the sludge storage hopper 3 is the same, ensuring that the arch-breaking pieces 7 can effectively prevent sludge accumulation during the stirring process, while avoiding interference with the inner wall of the sludge storage hopper 3.

[0060] When the telescopic rotating unit 4 rises, the material distribution sealing cone 5 can tightly close the feed port 11 of the smoldering furnace 1, while driving the sludge in the sludge storage hopper 3 to rise, preventing the smoldering smoke from leaking out of the feed port 11; effectively improving the sealing of the equipment, reducing the risk of smoke leakage, and improving the safety and environmental performance of the equipment. The connecting rod 44 is coaxial with the central axis of the sludge storage hopper 3, and a seal 45 is provided at the connection, which further ensures the sealing of the equipment during operation and prevents material leakage or the entry of external impurities. The sludge storage hopper 3 adopts a conical structure with a larger upper portion and a smaller lower portion, and the feed port 31 is set close to the edge, avoiding interference with the telescopic rotating unit 4 and optimizing the overall layout of the equipment. Through the coordinated control of the rotating motor 431 and the telescopic cylinder 41, the equipment can achieve precise telescopic and rotational movements to ensure the continuity and uniformity of the feeding process. The rotating assembly 43 is composed of a rotating motor 431, a connecting frame 432, a driving gear 433 and a driven gear 434, and realizes efficient and stable rotation through gear transmission; it not only improves the mechanical transmission efficiency, but also reduces the noise and energy consumption of the equipment operation.

[0061] A level meter 8 is installed on the top of the sludge storage hopper 3. This meter is connected to the controller of the feed control system and can monitor the sludge height in real time. The sludge height within the sludge storage hopper 3 is controlled at 73% to 85% of the total height. When the level falls below the set value, the external feeding system automatically activates and replenishes the sludge to the set height. This ensures a high material level to prevent smoke leakage and optimizes the equipment's operating efficiency, reducing equipment failures caused by excessively high or low material levels. This automated design reduces manual intervention and improves the stability and efficiency of equipment operation. The rotary material distributor 6 has four evenly distributed scrapers 61, each with an inclination of 15° to 30° to the horizontal. The outer ends of the scrapers are provided with an upward bend to prevent sludge from splashing during the material drop process, reduce material accumulation within the equipment, and lower equipment maintenance costs. This not only improves the uniformity of material distribution, but also reduces equipment wear and extends its service life.

[0062] Example 2

[0063] The method for continuous feeding using the flameless combustion treatment equipment for copper-containing sludge of Example 1 is specifically as follows:

[0064] Start feeding: After receiving the feeding instruction, the feeding control system starts the telescopic cylinder 41 and the rotating motor 431. The telescopic cylinder 41 descends at a stroke speed of 10-20nm / s, and the connecting rod 44 descends. The material distribution sealing cone 5 follows the connecting rod 44 and opens the feeding port 11. The sludge begins to fall. Figure 1 shown

[0065] Continuous feeding: The material distribution sealing cone 5 evenly distributes the sludge during its descent, ensuring that the sludge enters the smoldering furnace 1 at a stable flow rate. At the same time, the rotary motor 431 drives the connecting rod 44 to rotate at a rotation speed of 5 to 10 rpm. The arch-breaking piece 7 on the connecting rod 44 stirs the sludge in the sludge storage hopper 3. The stirring frequency of the arch-breaking piece 7 is synchronized with the lifting frequency of the telescopic rotating unit 4 to prevent the sludge from compacting and bridging. The material distribution sealing cone 5 and the rotary material leveler 6 rotate synchronously. The rotary material leveler 6 crushes and flattens the sludge to ensure that the material in the smoldering furnace 1 is evenly filled.

[0066] The material level meter 8 monitors the sludge height in real time at a frequency of 1 time / second. When the sludge height is lower than 73% of the sludge storage hopper 3, the feed control system starts the external feeding system to replenish the sludge to 82% of the sludge storage hopper. The feeding speed of the external feeding system is 0.5~1.0m 3 / h;

[0067] Feeding end: After the feeding control system receives the stop command, the telescopic cylinder 41 drives the connecting rod 44 to rise, the material distribution sealing cone 5 closes the feeding port 11 of the smoldering furnace 1, and drives the sludge liquid level in the sludge storage hopper 3 to rise to 85% of the sludge storage hopper 3, stops the sludge from falling, and prepares for the next feeding. Figure 2 shown.

[0068] During the continuous feeding process, the rotary motor 431 performs small-stroke forward and reverse rotations at a frequency of 10 times per minute.

[0069] In this embodiment, the method controls the lowering of the connecting rod 44 by means of a telescopic cylinder 41 at a speed of 10-20 mm / s. The material distribution and sealing cone 5 evenly distributes the sludge, ensuring a stable flow rate into the smoldering furnace 1. This precise flow control prevents material accumulation or insufficient supply, thereby improving smoldering efficiency. The rotary material distributor 6 rotates synchronously with the descent of the material distribution and sealing cone 5, breaking up and leveling the sludge, further optimizing the uniformity of material filling within the smoldering furnace 1 and enhancing the smoldering effect. Driven by the telescopic rotary unit 4, the arch-breaking piece 7 on the connecting rod 44 stirs the material. The stirring frequency is synchronized with the lifting frequency, effectively preventing sludge from clumping or bridging within the sludge storage hopper 3 and ensuring smooth and even sludge entry into the smoldering furnace 1. During the continuous feeding process, the rotary motor 431 rotates in a short forward and reverse stroke at a frequency of 10 times per minute, further optimizing the stirring effect, preventing sludge accumulation, and improving feeding efficiency. The material level meter 8 monitors the sludge level in real time at a frequency of 1 per second. When the material level falls below 73%, the external feeding system is automatically activated to replenish the sludge to 82%. This automated design reduces manual intervention and improves the stability and reliability of the equipment. The external feeding system is linked to the feed control system, automatically starting and stopping based on feedback from the material level meter 8 to ensure that the material level in the hopper is always maintained at the appropriate level, optimizing the equipment's operating efficiency. The operating speed of the telescopic cylinder 41 and the rotating motor 431 is precisely designed (for example, a rotation speed of 5-10 rpm) to ensure efficient and stable operation while reducing energy consumption and wear. At the end of feeding, the material distribution sealing cone 5 rises and seals the feed inlet 11, simultaneously raising the sludge level in the sludge storage hopper 3 to 85%, effectively preventing smoke leakage and improving the equipment's sealing and environmental performance. Precise control of the telescopic cylinder 41 and the rotating motor 431 ensures stable operation, reduces downtime caused by mechanical failures, and improves the equipment's reliability and service life.

[0070] Through automated control and real-time monitoring, the equipment can work continuously in a stable operating state, reducing the risk of environmental pollution caused by equipment failure or operational errors.

[0071] With the above-described preferred embodiments of the present invention as a guide, and with reference to the above description, relevant personnel are fully capable of making various changes and modifications without departing from the technical scope of this invention. The technical scope of this invention is not limited to the contents of the specification and must be determined according to the scope of the claims.

Claims

1. A flameless combustion treatment device for copper-containing sludge, comprising a smoldering furnace (1), characterized in that: A continuous feeding mechanism is provided on the top of the smoldering furnace (1), and the continuous feeding mechanism comprises: A mounting frame (2) is arranged at a feed opening (11) at the top of the smoldering furnace (1); A sludge storage hopper (3) is installed inside the middle section of the mounting frame (2). The top of the sludge storage hopper (3) is provided with a feed inlet (31). The lower end of the sludge storage hopper (3) is open and docked with the feed inlet (11). The sludge height in the sludge storage hopper (3) is 73% to 85%, forming an effective sealing layer. A telescopic rotating unit (4) is mounted on the top of the mounting frame (2) and extends through the sludge storage hopper (3) into the smoldering furnace (1), wherein the lower end of the telescopic rotating unit (4) is sequentially connected to a material distribution sealing cone (5) and a rotary material distributor (6); The material distribution sealing cone (5) can seal the feed port (11) when the telescopic rotating unit (4) rises, and at the same time drive the sludge in the sludge storage hopper (3) to rise to prevent the leakage of smoldering smoke; the material distribution sealing cone (5) can evenly drop the material when the telescopic rotating unit (4) descends, and the rotary material distributor (6) can crush the material and smooth the sludge at the feed port; A plurality of arch-breaking pieces (7) are arranged on a telescopic rotating unit (4) in the sludge storage hopper (3) and are evenly distributed in an upper and lower staggered manner. The arch-breaking pieces (7) stir the sludge in the sludge storage hopper (3) when the telescopic rotating unit (4) rises or falls, and the stirring frequency of the arch-breaking pieces (7) is synchronized with the rising and falling frequency of the telescopic rotating unit (4).

2. The flameless combustion treatment equipment for copper-containing sludge according to claim 1, characterized in that: The angle between two adjacent broken arch pieces (7) is 120°; the maximum outer diameters of the plurality of broken arch pieces (7) decrease from top to bottom, and when the material dividing sealing cone (5) seals the feed port, the gaps between the outer side walls of the plurality of broken arch pieces (7) and the inner side wall of the sludge storage hopper (3) are the same.

3. The flameless combustion treatment equipment for copper-containing sludge according to claim 1, characterized in that: The telescopic rotation unit (4) comprises a telescopic cylinder (41), a connecting sleeve (42), a rotating assembly (43) and a connecting rod (44). The telescopic cylinder (41) is mounted on the top of the mounting frame (2), and its piston rod passes through the top wall and is connected to the connecting sleeve (42). One end of the connecting rod (44) is connected to the connecting sleeve (42). The rotating assembly (43) is mounted on the connecting sleeve (42). The rotating assembly (43) consists of a rotating motor (431), a connecting frame (432), a driving gear (433) and a driven gear (434). The connecting frame (432) is fixed to the inner top surface of the mounting frame (2) and is sleeved on the connecting sleeve (42). The driven gear (434) is fixed on the connecting sleeve (42). The rotating motor (431) is mounted on one end of the connecting frame (432), and the output shaft thereof is mounted with a driving gear (433) meshing with the driven gear (434).

4. The flameless combustion treatment equipment for copper-containing sludge according to claim 3, characterized in that: The connecting rod (44) is coaxial with the central axis of the sludge storage hopper (3), and a sealing member (45) is provided at the connection between the two.

5. The flameless combustion treatment equipment for copper-containing sludge according to claim 1, characterized in that: A level meter (8) is provided on the upper portion of the sludge storage hopper (3), the level meter (8) being connected to a controller of a feed control system, the feed inlet (31) being connected to an external feed system, and the external feed system being connected to the feed control system.

6. The flameless combustion treatment equipment for copper-containing sludge according to claim 1, characterized in that: The rotary material distributor (6) has a plurality of evenly distributed scrapers (61), the scrapers (61) have an inclination angle with the horizontal plane, and an upwardly bent portion is provided at the outer end of the scraper (61).

7. A continuous feeding method for the flameless combustion treatment equipment of copper-containing sludge according to any one of claims 1 to 6, characterized in that: Specifically: Start feeding: After receiving the feeding instruction, the feeding control system starts the telescopic cylinder (41) and the rotary motor (431), the telescopic cylinder (41) moves down at a stroke speed of 10 to 20 nm / s, the material distribution sealing cone (5) follows the connecting rod (44) and moves down to open the feeding port (11), and the sludge starts to fall; Continuous feeding: the material distribution sealing cone (5) evenly distributes the sludge during its descent process, ensuring that the sludge enters the smoldering furnace (1) at a stable flow rate. At the same time, the rotary motor (431) drives the connecting rod (44) to rotate at a rotation speed of 5 to 10 rpm. The broken arch piece (7) on the connecting rod (44) stirs the sludge in the sludge storage hopper (3). The stirring frequency of the broken arch piece (7) is synchronized with the lifting frequency of the telescopic rotary unit (4) to prevent the sludge from being compacted and bridging. The material distribution sealing cone (5) and the rotary material distributor (6) rotate synchronously. The rotary material distributor (6) crushes and flattens the sludge to ensure that the material in the smoldering furnace (1) is evenly filled. The material level meter (8) monitors the sludge height in real time at a frequency of 1 time / second. When the sludge height is lower than 73% of the sludge storage hopper (3), the feed control system starts the external feeding system to replenish the sludge to 82% of the sludge storage hopper (3). The feeding speed of the external feeding system is 0.5 to 1.0 m 3 / h; End of feeding: After the feeding control system receives the stop command, the telescopic cylinder (41) drives the connecting rod (44) to rise, and the material distribution sealing cone (5) closes the feeding port (11) of the smoldering furnace (1), driving the sludge liquid level in the sludge storage hopper (3) to rise to 85% of the sludge storage hopper (3), stopping the sludge from falling, and preparing for the next feeding.

8. The continuous feeding method for the flameless combustion treatment equipment for copper-containing sludge according to claim 7, characterized in that: During the continuous feeding process, the rotary motor (431) performs small stroke forward and reverse rotations at a frequency of 10 times per minute.

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