Sample fragmentation device for marine sediments
By combining impact dispersion and crushing with a multi-stage fragmentation device, the problems of low fragmentation efficiency and clogging of marine sediments are solved, achieving efficient and self-cleaning sediment treatment.
Patent Information
- Application Number
- CN202510906554.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-02
- Publication Date
- 2025-11-07
AI Technical Summary
Existing marine sediment fragmentation devices suffer from low fragmentation efficiency, easy clogging, and insufficient adaptability, making it difficult to effectively process highly wet and viscous samples and various types of sediments.
The device employs a multi-stage crushing system, which disperses agglomerated deposits through impact components, crushes hard particles with rollers, and combines dynamic screening components to prevent clogging, thus achieving multi-stage crushing and self-cleaning.
It improves sediment fragmentation efficiency, reduces the risk of clogging, and enhances the adaptability of the device, making it suitable for different types of marine sediments.
Smart Images

Figure CN120907918A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of marine sediment fragmentation technology, and particularly to a sample fragmentation device for marine sediments. Background Technology
[0002] Marine sediments are particulate matter formed by physical, chemical, and biological processes in the marine environment. They contain silt, biological remains, organic matter, and trace minerals, and their composition is complex with significant variations in moisture content. In marine geological surveys, environmental monitoring, and other fields, sediment samples need to be fragmented to enable component analysis (such as particle size analysis, heavy metal detection, and organic matter extraction).
[0003] Existing marine sediment fragmentation devices generally suffer from the following problems: Low fragmentation efficiency: Due to high humidity, sediments are prone to clumping, and traditional single-stage crushing mechanisms are unable to effectively disperse the agglomerated particles, resulting in uneven fragmentation and affecting the accuracy of subsequent detection.
[0004] High risk of clogging: Sediments often contain fibrous biological debris or sticky colloids, which easily accumulate at the feed inlet or screening parts, requiring frequent shutdowns for cleaning and reducing processing efficiency.
[0005] Insufficient adaptability: There are significant differences in sediment particle size in different regions (e.g., coarse particles in coral reef areas and fine particles in deep-sea plains), and traditional instruments cannot meet the fragmentation requirements of multiple types of samples.
[0006] To address this issue, the present invention proposes a multi-stage fragmentation device suitable for marine sediments. Through the synergistic effect of impact dispersion, crushing, and dynamic sieving, it solves the fragmentation problem of highly wet and viscous samples, thereby improving processing efficiency and reliability. Summary of the Invention
[0007] The main objective of this invention is to provide a sample fragmentation device for marine sediments, which can effectively solve the problems in the prior art.
[0008] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a sample fragmentation device for marine sediments, comprising a crushing cylinder, a feed inlet fixedly connected to the top of the crushing cylinder, a column fixedly connected to the bottom of the inside of the crushing cylinder, partitions fixedly connected to the four corners of the column, four sets of impact components evenly arranged on the outside of the crushing cylinder, a plurality of through holes evenly opened from top to bottom on the side wall of the crushing cylinder, four fan-shaped openings evenly opened at the bottom of the crushing cylinder, a first feeding screen plate fixedly connected inside each fan-shaped opening, a crushing box fixedly connected to the bottom of the crushing cylinder, a feeding port opened at the top of the crushing box, crushing components arranged inside the crushing box, a guiding component fixedly connected to the lower end of the inside of the crushing box, and a discharge port opened at the bottom of the crushing box.
[0009] As a further description of the above technical scheme, the crushing cylinder is a cylindrical structure with an open top end, the height of the stand and the partition plate is the same as the internal height of the crushing cylinder, and the internal space of the crushing box is connected with the internal space of the crushing cylinder through the fan-shaped opening and the discharging opening.
[0010] As a further description of the above technical scheme, the impact assembly comprises a connecting block, the connecting block is a box-shaped structure with open ends, one end of the connecting block is fixedly connected with a fixed strip, one end of the connecting block inside the fixed strip is provided with an electromagnetic strip, one side of the electromagnetic strip is provided with a magnet strip, the inside of the connecting block is fixedly connected with a limiting strip, the limiting strip is uniformly provided with a plurality of holes from top to bottom, one side of the magnet strip is uniformly fixedly connected with a plurality of connecting rods from top to bottom, the connecting rods are all sleeved with springs, and the ends of the plurality of connecting rods away from the magnet strip are fixedly connected with an impact piece, and the impact piece is uniformly fixedly connected with a plurality of protruding blocks.
[0011] As a further description of the above technical scheme, the connecting block is fixedly connected between the fixed strip and the outer wall of the crushing cylinder, the electromagnetic strip is fixedly connected on the fixed strip, the magnet strip can slide in the connecting block, the connecting rod is matched with the hole and the positions are corresponding, the connecting rod is connected with the impact piece after penetrating through the hole, and the spring is fixedly connected between the magnet strip and the limiting strip.
[0012] As a further description of the above technical scheme, the crushing assembly comprises two rolling mills, the surfaces of the two rolling mills are fixedly connected with crushing nails, the two rolling mills are fixedly connected with rotating shafts, one of the rotating shafts is fixedly connected with a driving motor, and the ends of the two rotating shafts away from the driving motor are fixedly connected with gears.
[0013] As a further description of the above technical scheme, the driving motor and the gear are arranged outside the crushing box, one of the rotating shafts is fixedly connected with the output end of the driving motor through the side wall of the crushing box, and the two gears are engaged.
[0014] As a further description of the above technical scheme, the material guiding assembly comprises a material guiding plate, the material guiding plate is provided with a material guiding opening, the inside of the material guiding opening is provided with sliding grooves on both sides, a second discharging mesh plate is slidingly connected between the two sliding grooves, and a plurality of electric telescopic devices are uniformly fixedly connected between the two sides of the second discharging mesh plate and the inner walls of the sliding grooves.
[0015] As a further description of the above technical scheme, the material guiding opening is located corresponding to the discharging opening, and the diameter of the mesh opening on the second discharging mesh plate is smaller than that of the mesh opening on the first discharging mesh plate.
[0016] Compared with the prior art, the present application has the following beneficial effects: Multi-stage crushing, adapt to complex samples: first break the sediment clumps and disperse coarse particles through the impact assembly, then cut the fibers and crush the hard particles through the rolling mill, realize the multi-stage processing of "impact dispersion to rolling crushing", and provide the crushing effect of the sediment. Anti-clogging and self-cleaning: the impact of the impact piece and the vibration of the feeding port can effectively prevent the retention of sticky samples, and the dynamic screening mesh plate cooperates with the electric telescopic device to continuously shake to prevent fine particles from accumulating and reduce the frequency of manual cleaning. Flexible and adjustable, strong compatibility: the first / second discharge mesh plate can be replaced with different aperture specifications, and the rolling mill speed and impact frequency can be adjusted through the control system, which is suitable for various types of marine sediments from coral debris to deep-sea soft mud. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a whole structure schematic view of a sample crushing device for marine sediments. Figure 2 It is a sectional view of a sample crushing device for marine sediments. Figure 3 It is a broken barrel horizontal sectional view of a sample crushing device for marine sediments. Figure 4 It is a sectional view of an impact assembly of a sample crushing device for marine sediments. Figure 5 It is a broken barrel horizontal sectional view of a sample crushing device for marine sediments. Figure 6 It is a side sectional view of a sample crushing device for marine sediments.
[0018] In the figure: 1, broken barrel; 2, feeding port; 3, stand; 4, partition; 5, impact assembly; 6, through hole; 7, fan-shaped port; 8, first discharge mesh plate; 9, broken box; 10, discharge port; 11, broken assembly; 12, material guiding assembly; 13, discharge port; 51, connecting block; 52, fixed strip; 53, electromagnetic strip; 54, magnet strip; 55, limiting strip; 56, hole; 57, connecting rod; 58, spring; 59, impact piece; 111, rolling mill; 112, broken pin; 113, rotating shaft; 114, driving motor; 115, gear; 121, material guiding plate; 122, material guiding port; 123, sliding groove; 124, second discharge mesh plate; 125, electric telescopic device. DETAILED DESCRIPTION
[0019] In order to make the technical means, creative features and achieved purpose of the present application easy to understand, the present application will be further described in conjunction with the specific embodiments.
[0020] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, 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. In addition, the terms "first", "second" are only for the purpose of description and cannot be understood as indicating or implying relative importance.
[0021] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0022] Please refer to Figures 1-6The application provides a technical scheme: a sample crushing device for marine sediments, which comprises a crushing cylinder 1, the crushing cylinder 1 is a cylinder structure with an open top end, four fan-shaped openings 7 are uniformly arranged at the bottom end of the crushing cylinder 1, a first discharging screen 8 is arranged in each fan-shaped opening 7, a feeding port 2 is fixedly connected to the top end of the crushing cylinder 1, a vertical column 3 is fixedly connected to the bottom end in the crushing cylinder 1, a partition plate 4 is fixedly connected to each corner of the vertical column 3, the height of the vertical column 3 and the height of the partition plate 4 are the same as the internal height of the crushing cylinder 1, the other end of the partition plate 4 is fixedly connected to the inner wall of the crushing cylinder 1, four groups of impact assemblies 5 are uniformly arranged outside the crushing cylinder 1, the impact assembly 5 comprises a connecting block 51, a fixed strip 52 is fixedly connected to one end of the connecting block 51, the other end of the connecting block 51 is fixedly connected to the outer wall of the crushing cylinder 1, the connecting block 51 is a box-shaped structure with open ends, an electromagnetic strip 53 is arranged at the end of the connecting block 51 close to the fixed strip 52, the electromagnetic strip 53 is fixedly connected to the fixed strip 52, a magnet strip 54 is arranged on the side of the electromagnetic strip 53 away from the fixed strip 52, the magnet strip 54 has the same size as the electromagnetic strip 53, the magnet strip 54 can slide in the connecting block 51, a limiting strip 55 is fixedly connected to the inside of the connecting block 51 close to the crushing cylinder 1, a plurality of holes 56 are uniformly arranged in the limiting strip 55 from top to bottom, a plurality of connecting rods 57 are uniformly fixedly connected to one side of the magnet strip 54 from top to bottom, the connecting rods 57 are matched with the holes 56 and a plurality of penetrating holes 6 uniformly arranged on the crushing cylinder 1, and the positions are one-to-one corresponding, springs 58 are sleeved on the connecting rods 57, the springs 58 are fixedly connected between the magnet strip 54 and the limiting strip 55, the plurality of connecting rods 57 are sequentially inserted into the crushing cylinder 1 through the holes 56 and the penetrating holes 6 uniformly arranged on the crushing cylinder 1 and are fixedly connected to impact pieces 59 in the crushing cylinder 1, the impact pieces 59 are matched with the space formed by the crushing cylinder 1, the vertical column 3 and the partition plate 4, and a plurality of protruding blocks are fixedly connected to the impact pieces 59.
[0023] A crushing box 9 is fixedly connected to the bottom end of the crushing cylinder 1, a discharging port 10 is arranged at the top end of the crushing box 9, the internal space of the crushing box 9 is communicated with the internal space of the crushing cylinder 1 through the fan-shaped openings 7 and the discharging port 10, and a crushing assembly 11 is arranged in the crushing box 9, the crushing assembly 11 comprises two rolling mills 111, the two rolling mills 111 are arranged in the crushing box 9, crushing nails 112 are fixedly connected to the surfaces of the two rolling mills 111, rotating shafts 113 are fixedly connected to the two rolling mills 111, the two rolling mills 111 can rotate in the crushing box 9 through the rotating shafts 113, that is, the rotating shafts 113 are rotationally connected to the crushing box 9, one end of one rotating shaft 113 penetrates through the side wall of the crushing box 9 and is fixedly connected to the output shaft of a driving motor 114, the other ends of the two rotating shafts 113 penetrate through the side wall of the crushing box 9 and are fixedly connected to gear wheels 115, and the two gear wheels 115 are engaged.
[0024] The lower end inside the crushing box 9 is fixedly connected with a material guiding assembly 12. The material guiding assembly 12 comprises a material guiding plate 121. The bottom end of the material guiding plate 121 is fixedly connected with the bottom end inside the crushing box 9. A material guiding opening 122 is formed in the material guiding plate 121. The material guiding opening 122 corresponds to the position of the discharging opening formed in the bottom end of the crushing box 9. Sliding grooves 123 are formed in the two sides of the material guiding opening 122. A second discharging mesh plate 124 is slidingly connected between the two sliding grooves 123. The mesh opening diameter of the second discharging mesh plate 124 is smaller than that of the first discharging mesh plate 8. A plurality of electric telescopic devices 125 are uniformly fixedly connected between the two sides of the second discharging mesh plate 124 and the inner walls of the sliding grooves 123.
[0025] It should be noted that the present application is a kind of marine sediment sample fragmentation device, when the marine sediment needs to be fragmented, first need to start the fragmentation device, make drive motor 114 run, simultaneously it will be periodically powered off to the electromagnetic strip 53 on the impact assembly 5, then put the marine sediment that needs to be fragmented into the feed inlet 2, the marine sediment falls into the crushing cylinder 1 from the feed inlet 2, when the electromagnetic strip 53 is powered on, repulsion magnetic force between the electromagnetic strip 53 and the magnet strip 54 is generated, the magnetic force drives the magnet strip 54 and the connecting rod 57 to move, at this time the spring 58 is in compression state, so as to drive the impact piece 59 to move synchronously until it hits the stand column 3 and the baffle 4, when the electromagnetic strip 53 is powered off, the repulsion magnetic force between the electromagnetic strip 53 and the magnet strip 54 disappears, the compressed spring 58 resets, the elastic force generated by the spring 58 drives the impact piece 59 to return to the initial position, and the periodic power-on and power-off of the electromagnetic strip 53 will make the impact piece 59 continuously impact the marine sediment falling from the feed inlet 2, and the protruding block on the impact piece 59 makes the impact and compression of the marine sediment stronger, so that the marine sediment is more easily fragmented, at the same time the impact force generated by the impact of the impact piece 59 is transmitted to the feed inlet 2 connected with the crushing cylinder 1 through the stand column 3 and the baffle 4, the impact force causes the vibration of the feed inlet 2, so as to transmit the vibration to the marine sediment at the feed inlet 2, so that the marine sediment is more easily dropped into the crushing cylinder 1, the marine sediment fragmented to a certain extent falls into the crushing box 9 through the mesh opening in the first discharge screen 8, at this time the drive motor 114 drives the rotating shaft 113 connected therewith to rotate, the rotation of the rotating shaft 113 drives the rolling roller 111 and the gear 115 to rotate synchronously, since the gear 115 is engaged with another gear 115, the other gear 115 is driven to rotate in the opposite direction, so as to drive the other rolling roller 111 to rotate, the rotation of the two rolling rollers 111 in the direction of the two sides will continue to roll and fragment the fragmented marine sediment, the twice fragmentation makes the fragmentation effect of the marine sediment better, the marine sediment fragmented for the second time falls onto the second discharge screen 124, falls into the discharge outlet 13 through the mesh opening on the second discharge screen 124, and falls into the collecting tool prepared below the discharge outlet 13, in this process, the electric telescopic device 125 connected on both sides of the second discharge screen 124 continuously extends and contracts, so as to drive the second discharge screen 124 to slide back and forth in the sliding groove 123, so as to avoid the clogging of the fragmented marine sediment on the second discharge screen 124.
[0026] The above shows and describes the basic principles and main features of the present application and the advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A sample comminution device for marine sediments, comprising a crushing cylinder (1), characterized in that The feeding inlet (2) is fixedly connected to the top end of the crushing cylinder (1), the vertical column (3) is fixedly connected to the bottom end inside the crushing cylinder (1), the vertical column (3) is fixedly connected with the baffle (4) at four corners, four groups of impact assemblies (5) are uniformly arranged outside the crushing cylinder (1), a plurality of through holes (6) are uniformly arranged in the side wall of the crushing cylinder (1) from top to bottom, four fan-shaped openings (7) are uniformly arranged at the bottom end of the crushing cylinder (1), the first blanking screen (8) is fixedly connected inside the fan-shaped opening (7), the crushing box (9) is fixedly connected to the bottom end of the crushing cylinder (1), the discharging opening (10) is arranged at the top end of the crushing box (9), the crushing assembly (11) is arranged inside the crushing box (9), the guide assembly (12) is fixedly connected to the bottom end inside the crushing box (9), and the discharging opening (13) is arranged at the bottom end of the crushing box (9).
2. A sample fragmentation device for marine sediments according to claim 1, characterised in that, The crushing cylinder (1) is a cylindrical structure with an open top, the heights of the vertical column (3) and the baffle (4) are the same as the internal height of the crushing cylinder (1), and the internal space of the crushing box (9) is in communication with the internal space of the crushing cylinder (1) through the fan-shaped opening (7) and the discharging opening (10).
3. A sample fragmentation device for marine sediments according to claim 1, wherein, The impact assembly (5) comprises a connecting block (51), the connecting block (51) is a box-shaped structure with open ends, the connecting block (51) is fixedly connected with the fixed strip (52) at one end, the connecting block (51) is provided with the electromagnetic strip (53) inside and close to one end of the fixed strip (52), the electromagnetic strip (53) is provided with the magnet strip (54) at one side, the connecting block (51) is fixedly connected with the limiting strip (55) inside, a plurality of holes (56) are uniformly arranged in the limiting strip (55) from top to bottom, a plurality of connecting rods (57) are uniformly fixedly connected to the magnet strip (54) from top to bottom at one side, springs (58) are sleeved on the connecting rods (57), and the impact pieces (59) are fixedly connected between the ends, away from the magnet strip (54), of the plurality of connecting rods (57).
4. A stirring device having an internal cleaning mechanism as claimed in claim 3, characterized in that The connecting block (51) is fixedly connected between the fixed strip (52) and the outer wall of the crushing cylinder (1), the electromagnetic strip (53) is fixedly connected to the fixed strip (52), the magnet strip (54) can slide in the connecting block (51), the connecting rod (57) is matched with the hole (56) and the positions are corresponding, the connecting rod (57) is connected with the impact piece (59) after penetrating through the hole (56), and the spring (58) is fixedly connected between the magnet strip (54) and the limiting strip (55).
5. A sample fragmentation device for marine sediments according to claim 1, wherein, The crushing assembly (11) comprises two rolling mills (111), the crushing nails (112) are fixedly connected to the surfaces of the two rolling mills (111), the two rolling mills (111) are fixedly connected with the rotating shafts (113), the driving motor (114) is fixedly connected to one of the rotating shafts (113), and the gears (115) are fixedly connected to the ends, away from the driving motor (114), of the two rotating shafts (113).
6. A sample fragmentation device for marine sediments according to claim 5, characterised in that, The driving motor (114) and the gear (115) are arranged outside the crushing box (9), one of the rotating shafts (113) is fixedly connected with the output end of the driving motor (114) through the side wall of the crushing box, and the two gears (115) are engaged.
7. A sample fragmentation device for marine sediments according to claim 1, wherein, The material guiding assembly (12) comprises a material guiding plate (121), a material guiding opening (122) is formed in the material guiding plate (121), sliding grooves (123) are formed in the two sides of the material guiding opening (122), a second blanking mesh plate (124) is slidably connected between the two sliding grooves (123), and a plurality of electric telescopic devices (125) are uniformly and fixedly connected between the two sides of the second blanking mesh plate (124) and the inner walls of the sliding grooves (123).
8. A sample fragmentation device for marine sediments according to claim 7, characterised in that, The material guiding opening (122) corresponds to the discharge opening (13) in position, and the mesh opening caliber of the second blanking mesh plate (124) is smaller than that of the first blanking mesh plate (8).