Oscillating extraction device for heavy metals in seaweed

Abstract

The invention relates to the technical field of heavy metal extraction, in particular to an oscillating extraction device for heavy metal in seaweed, which comprises a rack, an extraction barrel, a lifting frame and an adding assembly, an extraction seat is slidably arranged at the top end of the rack; the extraction barrel is clamped on the extraction seat and horizontally oscillates along with the extraction seat; the driving assembly on the lifting frame drives the cutting assembly to extend into the extraction barrel, the cutting shaft is eccentrically arranged, and cutting knives with different lengths are arranged on the two sides in a staggered mode, so that efficient seaweed crushing is achieved. A liquid adding box of the adding assembly injects an extracting solution into an extracting barrel through a liquid guide channel in a cutting shaft and a liquid spraying hole of a cutting knife; the gas filling box sprays out compressed gas through the gas guide channel and the gas spraying hole, and a gas curtain is formed at the position of the isolation cover for leakage prevention. The extraction base locks the extraction cylinder through the fixing module, and the elastic rod buffers oscillation impact. The device combines oscillation extraction, cutting crushing and air curtain sealing technologies, improves the heavy metal extraction efficiency and uniformity, reduces the loss of an extracting solution, and is suitable for large-scale extraction of seaweed heavy metals.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of heavy metal extraction, and particularly relates to a heavy metal oscillation extraction device in seaweed. BACKGROUND

[0002] Seaweed is an important part of marine aquaculture in China and has wide application in the fields of food, medicine and chemical industry; however, seaweed can enrich various heavy metal ions from the surrounding environment during growth, and when heavy metal pollution in seawater is serious, seaweed heavy metal residues can easily exceed the standard, affecting the safety of seaweed.

[0003] At present, the existing seaweed heavy metal extraction method mainly adopts static extraction, and seaweed and extraction materials are not fully contacted, resulting in low extraction efficiency, and a long extraction time is required to achieve a certain extraction effect, which not only increases the production cost, but also reduces the production efficiency. On the other hand, some extraction devices need to be stopped for adding extraction materials and then started, and the amount of addition is not easy to control, which is easy to cause over-addition or under-addition. Over-addition will cause material waste and increase production cost; under-addition cannot fully extract heavy metals in seaweed, affecting the extraction effect. In addition, the structure of the existing part of the extraction device is complex, the operation is cumbersome, the technical requirements for the operator are high, and it is not conducive to large-scale industrialized production and application.

[0004] Therefore, the present application designs a heavy metal oscillation extraction device in seaweed to solve the above technical problems. SUMMARY

[0005] The present application aims to provide a heavy metal oscillation extraction device in seaweed to solve the problems existing in the prior art.

[0006] To achieve the above-mentioned purpose, the present application provides the following scheme: the present application provides a heavy metal oscillation extraction device in seaweed, comprising:

[0007] A rack is fixed on the ground, an extraction seat is slidably arranged at the top end of the rack, and the extraction seat moves horizontally and oscillates on the top surface of the rack;

[0008] An extraction cylinder is clamped and installed on the extraction seat, and the extraction seat drives the extraction cylinder to horizontally oscillate; when heavy metals are extracted, seaweed is filled in the extraction cylinder;

[0009] A lifting frame is fixedly installed on the rack, a driving assembly is fixedly installed on the rack, the output end of the driving assembly is downwardly connected with a cutting assembly, and the cutting assembly extends into the extraction cylinder;

[0010] An adding assembly is arranged on the lifting frame to add the material required for extraction into the extraction cylinder through the cutting assembly.

[0011] Preferably, the cutting assembly comprises a cutting shaft which is in transmission connection with the output end of the driving assembly, a plurality of cutting knives which are arranged in staggered mode on both sides of the cutting shaft, and the cutting edges of the cutting knives are directed to the rotating direction of the cutting shaft, and the ends of the cutting knives which are away from the cutting shaft are in sliding contact with the inner wall of the extraction cylinder.

[0012] Preferably, the bottom end of the cutting shaft is arranged eccentrically to the center of the inner cavity of the extraction cylinder, the cutting knives which are located on both sides of the cutting shaft are different in length, and the cutting knives which are located on the same side of the cutting shaft are equal in length.

[0013] Preferably, the bottom end of the lifting frame is fixedly connected with an isolation cover, the bottom end of the isolation cover is detachably connected with the top end of the extraction cylinder, the cutting shaft is coaxially arranged with the top end of the isolation cover, and when extraction is performed, the cutting shaft extends into the extraction cylinder through the isolation cover.

[0014] Preferably, the adding assembly comprises a liquid adding tank which is fixedly installed on the lifting frame, the liquid adding tank is in communication with a liquid guide channel which is arranged in the cutting shaft, and the liquid guide channel is in communication with the inner cavity of the extraction cylinder through a liquid injection hole which is arranged on the cutting knife.

[0015] Preferably, the adding assembly further comprises a gas adding tank which is fixedly installed on the lifting frame, the gas adding tank is in communication with a gas guide channel which is arranged on the cutting shaft, the bottom end of the gas guide channel is in communication with the outside through a plurality of gas injection holes which are arranged in a ring mode on the cutting shaft, and the compressed gas which is injected from the gas injection holes forms a gas curtain to seal the isolation cover.

[0016] Preferably, a placing groove which is correspondingly arranged with the extraction cylinder is arranged on the extraction seat, a plurality of fixing modules which are equally spaced around the placing groove are arranged on the extraction seat, the extraction cylinder is placed in the placing groove, and the fixing modules are locked and fixed on the outer wall of the extraction cylinder.

[0017] Preferably, the fixing module comprises a fixing screw which is rotatably connected with the extraction seat, a fixing block is fixed on the fixing screw, a lifting block is slidably arranged in the fixing block, and the lifting block is in screw connection with the fixing screw; when fixing is performed, the lifting block is lowered to press the fixing piece which is in abutment with the extraction cylinder.

[0018] Preferably, a plurality of fixing seats which are correspondingly arranged with the fixing screw are arranged on the rack, a plurality of elastic rods are arranged on the fixing seat, the ends of the elastic rods which are away from the fixing seat extend to the fixing block and are fixedly connected with the fixing block.

[0019] Preferably, the elastic rod comprises a rod body, two symmetrical oscillating springs are arranged in the rod body, and the ends of the oscillating springs away from each other are fixedly connected with telescopic rods slidingly connected in the inner cavity of the rod body respectively.

[0020] Compared with the prior art, the present application has the following advantages and technical effects: the present application discloses a heavy metal oscillation extraction device for seaweed, the rack is fixed to the ground as the main body of the device to ensure the stability and safety of the device; the extraction seat can oscillate horizontally at the top of the rack for clamping and installing the extraction cylinder, and then drives the extraction cylinder clamped and installed on the extraction seat to oscillate, so that the seaweed in the extraction cylinder oscillates when extracting heavy metals, the seaweed is in full contact with the extraction material, the extraction speed of heavy metals is accelerated, the extraction efficiency is improved, and the accuracy of subsequent heavy metal detection is improved; the lifting frame is arranged on the rack and can drive the driving assembly and the cutting assembly to lift, so that the working part of the cutting assembly enters and exits the extraction cylinder without affecting the loading and unloading of the extraction cylinder; when extracting, the driving assembly drives the cutting assembly to cut and crush the seaweed, so that the seaweed can be in more full contact with the extraction liquid to accelerate the extraction efficiency of heavy metals; the adding assembly is arranged on the lifting frame, and the cutting assembly can add the required materials to the extraction cylinder, so that the extraction liquid can be added multiple times during the extraction process, the amount of added extraction material can be controlled, and the actual demand can be met with higher flexibility; at the same time, the cutting assembly can add the extraction liquid at any time during the cutting and crushing process of the seaweed, so as to accelerate the mixing speed of the seaweed and the extraction liquid and improve the extraction efficiency; at the same time, the adding assembly can also add high-pressure gas to accelerate the mixing effect of the seaweed and the extraction liquid, and can form a gas curtain for isolating the inside and outside at the inlet of the extraction cylinder to form a relatively isolated environment during extraction, avoiding mutual pollution between the inside and outside. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. In the drawings:

[0022] Figure 1 It is a shaft view of the heavy metal oscillation extraction device for seaweed of the present application.

[0023] Figure 2 It is a structural schematic view of the heavy metal oscillation extraction device for seaweed of the present application.

[0024] Figure 3 It is a partial enlarged view of A in the present application. Figure 2 ​

[0025] Figure 4 A partial enlarged view of B in the present application Figure 2 A partial enlarged view of B in the present application

[0026] Figure 5 A partial enlarged view of C in the present application Figure 2 A partial enlarged view of C in the present application

[0027] Figure 6 A partial enlarged view of D in the present application Figure 2 A partial enlarged view of D in the present application

[0028] Figure 7 A schematic view of the cutting knife in the present application

[0029] Figure 8 A schematic view of the elastic rod in the present application

[0030] In the figure: 1, frame; 2, extraction cylinder; 3, lifting frame; 4, adding component; 11, limiting groove; 12, extraction seat; 13, placing groove; 14, fixed screw; 15, fixed block; 16, lifting block; 17, fixed sheet; 18, positioning groove; 19, positioning ring; 110, fixed seat; 111, elastic rod; 112, rod body; 113, positioning plate; 114, oscillating spring; 115, telescopic rod; 116, limiting groove; 117, movable block; 118, movable groove; 21, pouring groove; 31, cutting shaft; 32, cutting knife; 33, contact block; 34, isolation cover; 35, liquid inlet hole; 36, liquid guiding channel; 37, liquid uniformizing channel; 38, liquid spraying hole; 39, air inlet hole; 310, air guiding channel; 311, air spraying hole; 312, bottom cylinder; 313, top cover; 314, air outlet hole; 315, lifting rod; 316, interlocking frame; 317, lifting plate; 318, mounting plate; 41, liquid adding tank; 42, gas adding tank. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0032] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0033] Referring to Figures 1 to 8 The present embodiment provides a heavy metal oscillation extraction device in seaweed, which comprises:

[0034] The rack 1 is fixed on the ground, the rack 1 is provided with the extraction seat 12 at the top end, and the extraction seat 12 moves horizontally on the top surface of the rack 1;

[0035] The extraction cylinder 2 is clamped and installed on the extraction seat 12, and the extraction seat 12 drives the horizontal oscillation of the extraction cylinder 2; when heavy metals are extracted, seaweed is filled in the extraction cylinder 2;

[0036] The lifting frame 3 is fixedly installed on the rack 1, the driving assembly is fixedly installed on the rack 1, the output end of the driving assembly is downwardly connected with the cutting assembly, and the cutting assembly extends into the extraction cylinder 2;

[0037] The adding assembly 4 is arranged on the lifting frame 3, and the cutting assembly is used to add the materials required for extraction into the extraction cylinder 2.

[0038] The rack 1 is fixed on the ground, the rack 1 is provided with the extraction seat 12 at the top end, and the extraction seat 12 moves horizontally on the top surface of the rack 1; The extraction seat 12 can oscillate horizontally on the top end of the rack 1, be used for clamping and installing the extraction cylinder 2, and drive the oscillation of the extraction cylinder 2 clamped and installed on the extraction seat 12; when heavy metals are extracted, seaweed oscillates in the extraction cylinder 2, so that the seaweed is in full contact with the extraction material, the extraction speed of the heavy metals is accelerated, the extraction efficiency is improved, the heavy metals in the seaweed can be precipitated as much as possible, and the accuracy of subsequent heavy metal detection is improved; the lifting frame 3 is arranged on the rack 1 and can drive the driving assembly and the cutting assembly to ascend and descend, so that the working part of the cutting assembly enters and exits the extraction cylinder 2, and the extraction cylinder 2 is not affected during loading and unloading; when extraction is performed, the driving assembly drives the cutting assembly to cut and crush the seaweed, so that the seaweed can be in full contact with the extraction liquid, and the extraction efficiency of the heavy metals is accelerated; The adding assembly 4 is arranged on the lifting frame 3, the cutting assembly is used to add the materials required for extraction into the extraction cylinder 2, the extraction liquid can be added multiple times during extraction, the addition amount of the extraction material can be controlled, the actual demand can be added, and the flexibility is higher; meanwhile, the cutting assembly is used to add the extraction liquid, the extraction liquid can be added at any time during the cutting and crushing of the seaweed, the mixing speed of the seaweed and the extraction liquid is accelerated, and the extraction efficiency is improved; meanwhile, the adding assembly 4 can also add high-pressure gas to accelerate the mixing effect of the seaweed and the extraction liquid, and can form a gas curtain for isolating the inside and the outside at the inlet of the extraction cylinder 2, so that a relatively isolated environment is formed during extraction, and mutual pollution between the inside and the outside is avoided.

[0039] Further optimization scheme, the cutting assembly includes a cutting shaft 31 connected in transmission to the output end of the driving assembly, a plurality of staggered cutting knives 32 are arranged on both sides of the cutting shaft 31, the cutting edges of the cutting knives 32 are directed to the rotation direction of the cutting shaft 31, and the ends, away from the cutting shaft 31, of the cutting knives 32 are in sliding contact with the inner wall of the extraction cylinder 2. The cutting knives 32 are staggered and in sliding contact with the inner wall of the extraction cylinder 2, when the driving assembly drives the cutting shaft 31 to rotate, the staggered cutting knives 32 rotate with the cutting shaft 31, cut the seaweed from different angles, break the seaweed more evenly, increase the contact area between the seaweed and the extraction material, and further improve the extraction efficiency; the contact blocks 33 at the ends of the cutting knives 32 are in sliding contact with the inner wall of the extraction cylinder 2, can scrape off the seaweed residues attached to the inner wall, avoid the accumulation of residues affecting the extraction effect, and reduce the difficulty of cleaning the equipment; the cutting edges of the cutting knives 32 are directed to the rotation direction, make the cutting process smoother, reduce the cutting resistance, reduce the energy consumption of the driving assembly, and prolong the service life of the cutting tool; meanwhile, the shape of the cutting edges can generate a large amount of turbulence between the seaweed and the extraction liquid, accelerate the mixing and breaking efficiency, and accelerate the extraction efficiency of heavy metals.

[0040] Further optimization scheme, the bottom end of the cutting shaft 31 is eccentrically arranged with the center of the inner cavity of the extraction cylinder 2; the cutting knives 32 located on both sides of the cutting shaft 31 are different in length; and the cutting knives 32 located on the same side of the cutting shaft 31 are equal in length. The cutting knives 32 on both sides of the cutting shaft 31 are different in length, and the cutting shaft 31 is eccentrically arranged with the extraction cylinder 2, so that when the cutting assembly rotates, an external force can be applied to the extraction cylinder 2 inside, driving the extraction cylinder 2 to move, and then generating horizontal oscillation of the extraction cylinder 2, so that the mixing of the seaweed and the extraction material is more violent and the contact is more sufficient; the cutting knives 32 on the same side are equal in length, so that the cutting shaft 31 is balanced when rotating, reduces the vibration and noise of the equipment, and improves the stability and safety of the device operation.

[0041] In an embodiment of the present application, the lifting frame 3 includes two lifting rods 315 arranged on the rack 1 and interlocked control, the top ends of the two lifting rods 315 are provided with interlocking frames 316, the interlocking frames 316 are fixedly connected with mounting plates 318, and the driving assembly and the adding assembly 4 are mounted on the mounting plates 318.

[0042] In an embodiment of the present application, the lifting plate 317 is provided with a mounting plate 318, and the driving motor of the driving assembly is mounted on the mounting plate 318.

[0043] Further optimization scheme, the bottom end of the lifting frame 3 is fixedly connected with an isolation cover 34, the bottom end of the isolation cover 34 is detachably connected to the top end of the extraction cylinder 2; the cutting shaft 31 is coaxially arranged at the top end of the isolation cover 34, and when extraction is performed, the cutting shaft 31 extends into the extraction cylinder 2 after passing through the isolation cover 34. When extraction is performed, the isolation cover 34 covers the top end of the extraction cylinder 2, which can prevent the substances in the extraction cylinder 2 from splashing out during the extraction process, reduce material loss, and improve the neatness of the operating environment. The cutting shaft 31 is coaxially arranged with the inlet of the isolation cover 34, the isolation cover 34 provides stable support and guidance for the cutting shaft 31, prevents the cutting shaft 31 from deviating when rotating, and ensures the cooperation precision of the cutting knife 32 and the inner wall of the extraction cylinder 2. The isolation cover 34 is detachably connected to the extraction cylinder 2, which facilitates taking out the extraction cylinder 2 after the extraction is completed to unload and clean, and reduces the operation complexity.

[0044] In an embodiment of the present application, the isolation cover 34 comprises a bottom cylinder 312 matched with the extraction cylinder 2, and when connected, the bottom cylinder 312 can be sleeved on the extraction cylinder 2; the top end of the bottom cylinder 312 is rotationally connected with a top cover 313, and the top end and the bottom end of the top cover 313 are eccentrically arranged, which can ensure that the extraction cylinder 2 is not affected when horizontally oscillating.

[0045] In an embodiment of the present application, the top end of the extraction cylinder 2 is provided with a recessed pouring groove 21, which facilitates pouring out the substances in the extraction cylinder 2.

[0046] Further optimization scheme, the adding assembly 4 comprises a liquid adding tank 41 fixedly installed on the lifting frame 3, the liquid adding tank 41 is in communication with a liquid guiding channel 36 formed in the cutting shaft 31, and the liquid guiding channel 36 is in communication with the inner cavity of the extraction cylinder 2 through a liquid spraying hole 38 formed in the cutting knife 32. The liquid adding tank 41 is connected with a container containing extraction liquid, the extraction liquid entering the liquid adding tank 41 enters the liquid guiding channel 36 from the liquid inlet hole 35, then enters the liquid uniformizing channel 37 in the cutting knife 32, and finally is directly sprayed into the extraction cylinder 2 through the liquid spraying hole 38 arranged on the back of the cutting knife 32, and the liquid spraying hole 38 rotates with the cutting knife 32, realizing uniform addition in the cutting and stirring process, so that the extraction liquid is uniformly dispersed in the seaweed, solving the problem of local concentration unevenness in the traditional adding method, improving the material utilization rate and the extraction effect; the extraction liquid is transported by the internal channels of the cutting shaft 31 and the cutting knife 32, without the need to additionally arrange a liquid spraying pipeline, which reduces the structural complexity of the device and reduces the failure probability; the extraction liquid is directly sprayed on the surface of the broken seaweed, quickly penetrates into the seaweed, accelerates the reaction rate of the heavy metal and the extraction liquid, and improves the extraction efficiency.

[0047] In an embodiment of the present application, the liquid adding tank 41 can also be switchably connected with high-pressure gas, after the addition of the extraction liquid is completed, the high-pressure gas which does not affect the extraction result can be switched, the mixture of the extraction liquid and the broken seaweed is impacted by the gas, so that the mixture is more uniform, and the seaweed is more broken, and the efficiency of heavy metal precipitation is improved.

[0048] Further optimization scheme, the assembly 4 further comprises a gas tank 42 fixedly installed on the lifting frame 3, the gas tank 42 is communicated with a gas guide channel 310 opened on the cutting shaft 31, the bottom end of the gas guide channel 310 is communicated with the outside through a plurality of ring-shaped gas injection holes 311 arranged on the cutting shaft 31, and the compressed gas injected from the gas injection holes 311 forms a gas curtain to seal and isolate the cover 34. The high-pressure gas in the gas tank 42 enters the gas guide channel 310 from the gas inlet hole 39, is injected from the exhaust hole 314 corresponding to the top cover 313 to form a gas curtain, further blocks the odor, mist or small particles in the extraction cylinder 2 from overflowing, and optimizes the safety and environmental protection of the operation environment. At the same time, the gas pressure difference formed by the gas curtain can prevent the liquid in the extraction cylinder 2 from flowing back into the liquid guide channel 36 or the gas guide channel 310, and ensure the smoothness of the pipeline and the service life of the equipment.

[0049] Further optimization scheme, the extraction seat 12 is provided with a placing groove 13 corresponding to the extraction cylinder 2, and a plurality of fixing modules are arranged at equal intervals around the placing groove 13 on the extraction seat 12. The extraction cylinder 2 is placed in the placing groove 13, and the fixing modules are locked and fixed to the outer wall of the extraction cylinder 2. The placing groove 13 facilitates the positioning and placement of the extraction cylinder 2, ensures the coaxiality of the extraction cylinder 2 and the cutting assembly, and ensures the cooperation precision of the cutting knife 32 and the inner wall of the extraction cylinder 2. The equal-interval arrangement of the fixing modules can uniformly fix the extraction cylinder 2, ensure the stability of the extraction cylinder 2 during horizontal oscillation, and avoid the influence of shaking of the extraction cylinder 2 on the extraction effect. By adjusting the locking degree of the fixing modules, the extraction cylinder 2 with different diameters can be adapted, and the universality of the device is improved.

[0050] Further optimization scheme, the fixing module comprises a fixing screw 14 rotatably connected to the extraction seat 12, a fixing block 15 fixed on the fixing screw 14, a lifting block 16 slidably arranged in the fixing block 15, and the lifting block 16 is threadedly connected with the fixing screw 14. When fixed, the lifting block 16 is lowered to press the fixing piece 17 abutting against the extraction cylinder 2. By rotating the fixing screw 14 to drive the lifting block 16 to ascend and descend, the pressing force of the fixing piece 17 on the extraction cylinder 2 can be accurately controlled, so that the extraction cylinder 2 is not damaged due to excessive pressure or the extraction cylinder 2 is not fixed firmly due to insufficient pressure. The plurality of fixing modules are arranged at equal intervals, so that the outer wall of the extraction cylinder 2 is uniformly stressed, and local stress concentration causing deformation of the extraction cylinder 2 is prevented. The screw transmission structure is simple and reliable, and the operator can complete the clamping and dismounting of the extraction cylinder 2 by rotating the fixing screw 14, thereby reducing the operation difficulty.

[0051] In an embodiment of the present application, the fixing piece 17 is made of flexible material, and when the lifting block 16 is lowered, the fixing piece 17 is pressed to tightly hold the extraction cylinder 2.

[0052] In one embodiment of the present application, the fixed screw 14 is provided with a positioning ring 19 corresponding to the fixed block 15, and the fixed block 15 is provided with a positioning groove 18 corresponding to the positioning ring 19, so that the fixed block 15 can be positioned on the fixed screw 14 without affecting the rotation of the fixed screw 14.

[0053] Further optimization, the rack 1 is provided with a plurality of fixed seats 110 corresponding to the fixed screw 14, and the fixed seat 110 is provided with a plurality of elastic rods 111, and the elastic rod 111 extends to the fixed block 15 away from the fixed seat 110 and is fixedly connected with the fixed block 15. The elastic rod 111 is supported on the outer wall of the extraction seat 12 in the circumferential direction, and the elastic rod 111 is stretched and contracted to push the eccentric cutting assembly to the extraction cylinder 2, so that the vibration of the extraction cylinder 2 is more stable; at the same time, the elastic rod 111 can absorb the vibration generated when the extraction seat 12 oscillates horizontally, reduce the vibration transmitted to the fixed module and the rack 1, reduce the equipment operation noise, and prolong the service life of the device; the elastic deformation of the elastic rod 111 can adapt to the slight displacement of the extraction cylinder 2 in the oscillation process, avoiding rigid collision between the fixed module and the extraction cylinder 2.

[0054] In one embodiment of the present application, the rack 1 is provided with a limiting groove 11, and the limiting groove 11 serves as the movable range of the extraction seat 12; the fixed seat 110 is arranged around the limiting groove 11.

[0055] Further optimization, the elastic rod 111 includes a rod body 112, and two symmetrical oscillation springs 114 are arranged in the rod body 112, and the ends of the oscillation springs 114 away from each other are fixedly connected with the telescopic rods 115 slidingly connected in the inner cavity of the rod body 112; the two telescopic rods 115 extend out of the rod body 112 and are connected with the fixed block 15 and the fixed seat 110 respectively. The rod body 112 is provided with a positioning plate 113, and the two oscillation springs 114 are symmetrically arranged on the two sides of the positioning plate 113 and are in a compressed state. No matter the extraction seat 12 oscillates to the left or to the right, the vibration energy can be effectively absorbed, and the damping effect is better than that of a single direction elastic structure; the cooperation of the oscillation spring 114 and the telescopic rod 115 makes the elastic rod 111 have better elasticity and buffering performance, which can more effectively absorb and disperse the energy generated by oscillation, further enhance the protection effect of the fixed module, and ensure the stability of the equipment operation.

[0056] In one embodiment of the present application, the side wall of the limiting groove 11 is provided with a movable groove 118, and the width of the movable groove 118 is not less than the width of the extraction seat 12, so that the extraction seat 12 can conveniently enter and exit the limiting groove 11.

[0057] In one embodiment of the present application, the movable groove 118 is detachably provided with a movable block 117, so as to conveniently lock the movable groove 118 and avoid the extraction seat 12 from being shaken out.

[0058] In one embodiment of the present application, the fixing seat 110 is provided with a limiting groove 116 corresponding to the telescopic rod 115, and the limiting groove 116 is used for limiting the horizontal oscillation of the extraction cylinder 2.

[0059] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0060] The above-described embodiments are only used to describe the preferred modes of the present application, and are not intended to limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements to the technical solutions of the present application made by those skilled in the art shall fall within the protection scope determined by the claims of the present application.

Claims

1. A device for oscillating extraction of heavy metals in seaweed, characterized by, Include: Frame (1), the frame (1) is fixed on the ground, the frame (1) top end slidingly arranged with extraction seat (12), the extraction seat (12) is driven by the horizontal oscillation movement of the top surface of the frame (1); Extraction cylinder (2), the extraction cylinder (2) is clamped and installed on the extraction seat (12), the extraction seat (12) drives the horizontal oscillation of the extraction cylinder (2);When extracting heavy metals, seaweed is filled in the extraction cylinder (2); Lifting frame (3), the lifting frame (3) is fixedly installed on the frame (1), the frame (1) is fixedly installed with a driving assembly, the output end of the driving assembly is downwardly and drivingly connected with a cutting assembly, the cutting assembly extends into the extraction cylinder (2); Adding assembly (4), the adding assembly (4) is arranged on the lifting frame (3), and the cutting assembly is arranged in the extraction cylinder (2) to add the material required for extraction.

2. The apparatus for oscillation extraction of heavy metals in seaweed according to claim 1, characterized in that: The cutting assembly comprises a cutting shaft (31) drivingly connected with the output end of the driving assembly, a plurality of cutting knives (32) are arranged at both sides of the cutting shaft (31) in a staggered manner, the cutting edge of the cutting knife (32) faces the rotation direction of the cutting shaft (31), and the end of the cutting knife (32) away from the cutting shaft (31) is in sliding contact with the inner wall of the extraction cylinder (2).

3. The apparatus for oscillation extraction of heavy metals in seaweed according to claim 2, characterized in that: The bottom end of the cutting shaft (31) is eccentrically arranged with the center of the inner cavity of the extraction cylinder (2);The lengths of the cutting knives (32) located at both sides of the cutting shaft (31) are different;The lengths of the cutting knives (32) located at the same side of the cutting shaft (31) are equal.

4. The apparatus for oscillation extraction of heavy metals in seaweed according to claim 2, characterized in that: The bottom end of the lifting frame (3) is fixedly connected with an isolation cover (34), the bottom end of the isolation cover (34) is detachably connected with the top end of the extraction cylinder (2);The cutting shaft (31) is coaxially arranged with the top end of the isolation cover (34), and when extracting, the cutting shaft (31) extends into the extraction cylinder (2) after penetrating through the isolation cover (34).

5. The apparatus for oscillation extraction of heavy metals in seaweed according to claim 4, characterized in that: The adding assembly (4) comprises a liquid adding tank (41) fixedly installed on the lifting frame (3), the liquid adding tank (41) is in communication with a liquid guide channel (36) formed in the cutting shaft (31), and the liquid guide channel (36) is in communication with the inner cavity of the extraction cylinder (2) through a liquid injection hole (38) formed in the cutting knife (32).

6. The apparatus for oscillation extraction of heavy metals in seaweed according to claim 4, characterized in that: The adding assembly (4) further comprises a gas adding tank (42) fixedly installed on the lifting frame (3), the gas adding tank (42) is in communication with a gas guide channel (310) formed in the cutting shaft (31), the bottom end of the gas guide channel (310) is in communication with the outside through a plurality of gas injection holes (311) arranged in a ring on the cutting shaft (31), and the compressed gas injected from the gas injection hole (311) forms a gas curtain to seal the isolation cover (34).

7. The apparatus for oscillation extraction of heavy metals in seaweed according to claim 1, characterized in that: The extraction seat (12) is provided with a placing groove (13) corresponding to the extraction cylinder (2), and the extraction seat (12) is provided with a plurality of fixing modules equidistantly surrounding the placing groove (13), the extraction cylinder (2) is placed in the placing groove (13), and the fixing module is locked and fixed to the outer wall of the extraction cylinder (2).

8. The apparatus for oscillation extraction of heavy metals in seaweed according to claim 7, characterized in that: The fixing module comprises a fixing screw (14) rotatably connected to the extraction seat (12), the fixing screw (14) is fixed with a fixing block (15), the fixing block (15) is slidably provided with a lifting block (16), and the lifting block (16) is threadedly connected with the fixing screw (14); when fixed, the lifting block (16) is lowered, and a fixing sheet (17) abutting against the extraction cylinder (2) is compressed.

9. The apparatus for oscillation extraction of heavy metals in seaweed according to claim 8, characterized in that: The rack (1) is provided with a plurality of fixing seats (110) corresponding to the fixing screw (14), the fixing seat (110) is provided with a plurality of elastic rods (111), and the elastic rod (111) away from the fixing seat (110) extends to the fixing block (15) and is fixedly connected with the fixing block (15).

10. The apparatus for oscillation extraction of heavy metals in seaweed according to claim 9, characterized in that: The elastic rod (111) comprises a rod body (112), two symmetrical oscillating springs (114) are arranged in the rod body (112), and the ends of the oscillating springs (114) away from each other are fixedly connected with telescopic rods (115) slidably connected in the inner cavity of the rod body (112); the two telescopic rods (115) extend out of the rod body (112) and are connected with the fixing block (15) and the fixing seat (110) respectively.

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