299 results about "Helical channel" patented technology

Reactor for performing a synthesis process for producing products from at least two reactants comprising a main body having a longitudinal axis, an inflow side and an outflow side; an interior; at least two reactant conduits, each connected at the inflow side to at least one distributor channel; at least one product conduit connected at the outflow side to the at least one collection channel; at least one distribution section comprising at least two distributor channels and at least one flow splitter; at least one mixing section in which via mixing channels at least two distributor channels are connected and at least two reactants are combinable; at least one reaction channel; at least one collection section comprising at least one collection channel; at least one inflow-side feed conduit for a heat transfer medium into the interior and at least one discharge conduit for the heat transfer medium out of the interior, wherein the heat transfer medium can flow around at least a partial length of the at least one reaction channel in the interior and / or at least one heat exchange channel in which the heat transfer medium can flow is provided, wherein this at least one subsection is arranged adjacent to the at least one reaction channel and wherein at least one heat exchange channel and at least one reaction channel are separated from one another by a common channel wall, wherein the at least one reaction channel is a multiple helix which comprises two or more helix channels, wherein at the inflow side each helix channel of a multiple helix is connected via the at least one mixing section to at least one distributor channel of each of the at least two reactants and wherein at the outflow side each helix channel of a multiple helix is connected to at least one collection channel.

A spiral muffler (2) comprising a channels housing (8) and formed therein a centre channel (4) and at least one outer spiral channel (6), the channels housing having an inner tube wall (10) surrounding the centre channel (4) and an outer tube wall (12) forming an outer wall of the at least one outer spiral channel (6), the at least one outer spiral channel (6) being formed between the outer tube wall (12) and the inner tube wall (10), the channels housing further comprising at least one spiral wall (14) defining a spiral form of the at least one outer spiral channel (6) spiraling from a first axial side of the muffler to a second axial side of the muffler. The channels housing is formed of a plurality of stacked muffler modules (3), each muffler module comprising one or more spiral blades (14a, 14b), each spiral blade extending from a first end at a first axial side of the muffler module to a second end (22) at a second axial side of said muffler module, first and second ends of adjacent stacked muffler modules joining together in a contacting manner at said interfaces such that said at least one spiral wall (14) is formed from a plurality of stacked said spiral blades (14a, 14b).

The invention relates to a preparation method of TEMTP, and belongs to the technical field of organic cyclic peroxides. According to the efficient preparation method based on the three-stage micro-channel reactor, high-shear mixing is achieved through a first-stage S-shaped channel with the size of 2 + / -0.2 mm, a TiO2-Ag nanometer photocatalyst is loaded on the inner wall of a second-stage spiral channel with the size of 1 + / -0.2 mm, supercritical CO2 is introduced into a last-stage straight channel with the size of 2 + / -0.2 mm, and therefore the material viscosity is reduced, and the mass transfer efficiency is improved. According to the catalytic system, ionic liquid [BMIM] [HSO4] is compounded with sulfuric acid, and sectional temperature control is matched. The post-treatment process comprises electric field assisted phase splitting, so that the purity, selectivity and stability of the product are improved, and the method has important industrial application value.

The invention provides a staged impurity removal device for lubricating oil processing. The staged impurity removal device comprises a feeding and discharging mechanism and a plurality of impurity removal mechanisms. The feeding and discharging mechanism comprises a feeding end cover and a discharging end cover. The impurity removal mechanisms are mounted between the feeding end cover and the discharging end cover and are configured to convey materials from the feeding end cover to the discharging end cover; the impurity removal mechanism comprises an impurity removal barrel, an auger filter screen and a spiral channel, the auger filter screen is installed in the impurity removal barrel, and the auger filter screen and the impurity removal barrel define the relatively independent spiral channel. The hole diameters of the auger filter screens are sequentially decreased in the material conveying direction. According to the grading type impurity removal device for lubricating oil processing, the auger filter screen is adopted, compared with a flat plate type filter screen in the related technology, the contact area between the filter screen and lubricating oil is effectively increased in a limited space, the filterable area of the filter screen is greatly increased, and therefore the impurity removal efficiency can be improved.

A fastening device system for connection at least a first and a second overlapping mats placed on the ground wherein the first mat is aligned over at least one connecting hole of the second mat, the fastening device system comprising, a housing having a first half and a second half wherein the first half and second half are attached together forming the housing. A pin having a foot disposed at the lower end thereof and a shaft having a helical shelf that engages the helical channel of the housing. The pin is configured so that when it rotates 90° in one direction to the housing the pin draws the foot closer to bottom of housing and provides at least one locking position of the foot and locking the foot in place.

The invention relates to the field of chip heat dissipation systems, in particular to a chip heat dissipation system and a chip heat dissipation method.The chip heat dissipation system comprises a liquid pump, a built-in heat exchanger and an external heat exchanger, cooling liquid contains the phase change capsule, the built-in heat exchanger comprises a radiator substrate and a capsule capture array, and the capsule capture array is arranged on the radiator substrate. The heat radiator substrate is attached to the heating surface of the chip, a cooling liquid flow channel is formed in the heat radiator substrate, the capsule capturing array is used for capturing the phase change capsule at the heating part of the chip so as to enhance heat radiation, the phase change capsule has an initial solid sphere shape, and the phase change capsule rotates in a spiral channel of the external heat exchanger in a non-directional mode so as to recover the initial shape. According to the embodiment of the invention, the phase change capsule is captured by using the deformation of the shape memory alloy, and the phase change capsule is separated from the capture by using the deformation of the phase change capsule, so that the phase change capsule is efficiently gathered in the overheating area of the chip for fixed-point cooling, and the problem of low efficiency of non-differential cooling of the non-uniform overheating area by traditional water cooling is solved.

A reactor for performing a synthesis process for producing a product from at least two reactants, the reactor comprising: a body having a longitudinal axis, an inflow side and an outflow side; an interior; at least two reactant conduits, each connected on the inflow side to at least one distributor channel; at least one product conduit connected on the outflow side to the at least one collection channel; at least one distribution section comprising at least two distributor channels and at least one diverter; at least one mixing section in which at least two distributor channels are connected via a mixing channel and at least two reactants can be combined; at least one reaction channel; at least one collection section comprising at least one collection channel; at least one inflow-side feed conduit for the entry of a heat transfer medium into the interior; the heat transfer medium can flow around at least a part of the length of the at least one reaction channel in the interior, and / or at least one heat exchange channel in which the heat transfer medium can flow is provided, wherein the at least one sub-section is arranged adjacent to the at least one reaction channel, and wherein the at least one heat exchange channel and the at least one reaction channel are separated from each other by a common channel wall, and wherein the at least one reaction channel is a multiple spiral comprising two or more spiral channels, each spiral channel of the multiple helixes is connected via at least one mixing section to at least one distributor channel of each of the at least two reactants, and wherein on the outflow side each spiral channel of the multiple helixes is connected to at least one collecting channel.

A system comprises a series of anchors, an anchor-storage device, and an anchor driver that is slidably coupled to the anchor-storage device. The anchor-storage device comprises a spring, and a housing, shaped to define: (i) a loading site, and (ii) a spiral channel that spirals inward to the loading site, the series of anchors arranged along the spiral channel, and the spring configured to urge the series of anchors along the spiral channel toward the loading site. The anchor driver comprises a rod extendable through the loading site in a manner that obstructs access of the series of anchors to the loading site from the spiral channel. Other embodiments are also described.

The utility model relates to a spiral belt type static mixer, which is used for fully mixing fluid for heat exchange, is connected with a heating medium device and comprises a first pipeline and a second pipeline sleeved outside the first pipeline, and both the first pipeline and the second pipeline are connected with the heating medium device. A fluid channel for fluid to flow is arranged between the first pipeline and the second pipeline; a plurality of mixing units are arranged in the fluid channel, a spiral channel consisting of a plurality of spiral bands is arranged in each mixing unit, fluid is mixed in the spiral channels, and the spiral channels in the adjacent mixing units are opposite in rotation direction. According to the utility model, by arranging the mixing units with opposite rotation directions, the fluid mixing effect is enhanced; no obvious dead zone exists in a fluid channel, and the problem that the heat exchange effect is poor due to the too thick boundary layer is solved; the second pipeline on the outer side and the first pipeline on the inner side can convey heat transfer media at the same time, the overall heat exchange effect of the pipeline can be remarkably enhanced, and the fluid temperature is more uniform.

Disclosed is a wing assembly for an aircraft. The wing assembly comprises a fixed wing, a wing tip device, a wiring harness and a harness guide. The wing tip device is moveably mounted at a joint at an end of the fixed wing. The wing tip device is moveable about the joint between: (i) a flight configuration for use during flight, and (ii) a ground configuration for use during ground-based operations, in which ground configuration the wing tip device is moved relative to the fixed wing such that the span of the wing is reduced. The wiring harness extends between the fixed wing and the wing tip device. The wiring harness comprises a plurality of conductors and is arranged to transmit electrical power and / or data to the wing tip device. The harness guide is located between the fixed wing and the wing tip device. The harness guide comprises a helical channel configured to receive the wiring harness and guide the wiring harness between the fixed wing and the wing tip device.

The invention relates to the technical field of separation, and particularly discloses a multi-stage gas-liquid separator which comprises a shell, and an inertial collision separation unit, a defoaming separation unit and a condensation separation unit which are arranged in the shell, a spiral collision plate in the inertial collision separation unit periodically changes the width of an inertial collision flow channel through up-down reciprocating motion to form a pulse type variable-diameter spiral channel, the separation effect of high-viscosity reaction byproduct liquid drops is improved, a bidirectional fluid path is formed by the inertial collision flow channel and a floating flow channel, and interstage backmixing is avoided; an outer silk screen and an inner silk screen in the defoaming and separating unit form a gradient interception barrier, and by combining directional back blowing of an inverted-cone-shaped back blowing piece, aerosol and gas are effectively separated, and meanwhile the silk screen blocking rate is reduced; the first annular fins and the second annular fins in the condensation separation unit are of a staggered distribution topological structure, a laminar flow boundary layer is broken, gas forms turbulent disturbance in the condensation separation unit, and the condensation droplet polymerization rate is increased.

The utility model discloses a forming device for two-component silicone rubber, which relates to the technical field of forming devices and comprises an operation table, a mold is fixedly connected to the upper surface of the operation table, a partition plate is fixedly connected to the inside of the mold, and the inside of the mold is divided into a forming cavity and a control cavity by the partition plate. And the forming cavity is located above the control cavity, a top plate is arranged in the forming cavity in a sliding mode, a jacking cavity is formed between the top plate and the partition plate, the jacking cavity communicates with the control cavity through a second conveying channel, a spiral channel is formed in the wall body of the mold, and the spiral channel surrounds the outer side of the forming cavity. According to the forming device for the two-component silicone rubber, by arranging the spiral channel, the first conveying channel, the second conveying channel, the top plate and other structures, the effects of cooling and jacking demolding can be achieved at the same time, and the forming efficiency is improved.

The invention discloses a combined type sand prevention oil-gas separator with a sand discharging structure, and belongs to the technical field of oil-gas separation. Comprising a shell, a spiral anchor is fixedly connected to the lower side in the shell, the spiral anchor and the shell are matched to form a spiral channel, an oil discharge channel is formed in the upper side of the shell, and oil discharge holes which are distributed at equal intervals in the circumferential direction and communicate the spiral channel with the oil discharge channel are formed in the shell. The outer shell is provided with an exhaust channel communicating with the upper side of the spiral channel, a bottom shell is arranged on the lower side of the outer shell, a fixing plate is fixedly connected into the bottom shell, the fixing plate is slidably connected with a connecting rod, and a first spring is fixedly connected between the connecting rod and the fixing plate; the connecting rod is fixedly connected with a sealing plug which slides on the lower side of the bottom shell in a sealing mode. According to the oil-gas separator, pressure is applied to the oil pipe, so that the bottom shell is unblocked by the sealing plug, sand in the bottom shell is discharged, and normal operation of the oil-gas separator is guaranteed.

The invention relates to a spiral plate heat exchanger in a surfactant production process, which comprises an outer spiral channel and an inner spiral channel nested in the outer spiral channel, and the spiral direction of the outer spiral channel is opposite to the spiral direction of the inner spiral channel; the inner spiral channel is formed by rolling two parallel inner spiral plates, the channel distance of the outer spiral channel is larger than that of the inner spiral channel, and the outer spiral channel is formed by rolling two parallel outer spiral plates. A partition plate is arranged between the outer spiral channel and the inner spiral channel, and a distance adjusting assembly is arranged on the partition plate and used for adjusting the channel distance of the outer spiral channel. The outer spiral channel and the inner spiral channel which are of a nested structure are adopted, the distance between the outer spiral channel and the inner spiral channel is larger than that between the outer spiral channel and the inner spiral channel, the outer spiral channel is suitable for high-viscosity or particle-containing surface active agent raw material liquid, the large distance reduces flowing resistance and avoids blocking, and the inner spiral channel is suitable for low-viscosity or media (such as cooling water) needing heat exchange enhancement. And the turbulence intensity can be enhanced by matching the smaller spacing with the reverse spiral.

An aeration system for a wastewater treatment tank, comprising a driving mechanism (1), which drives a downwardly-extending main shaft (2), wherein the main shaft (2) is divided into an upper section and a lower section, the upper section and the lower section respectively being provided with an upper spiral blade (31) and a lower spiral blade (32) which rotate in opposite clockwise directions; the outside of the main shaft (2) is further surrounded by a sleeve (4) coaxial with the main shaft (2), an upper spiral channel and a lower spiral channel respectively being formed between the inner wall of the sleeve (4) and the upper and lower spiral blades (31, 32); the sleeve (4) is fixed relative to a housing of the driving mechanism (1), and the upper end of the sleeve (4) is provided with an air inlet (40); the inside of the sleeve (4) is provided with a sealing plate (5) located between the upper and lower spiral blades (31, 32), the sealing plate (5) being provided with jet holes (50) in the axial direction of the main shaft (2); and below the sealing plate (5), the sleeve (4) is in lateral communication with two or more diffusion tubes (6), said diffusion tubes (6) being circumferentially uniformly distributed around the main shaft (2). The system can force air and wastewater to mix, and thus has a higher oxygen dissolution efficiency.

The coal-based rectification system VOC tail gas efficient treatment device comprises a tank body, a spacer bush is arranged on the inner axis of the tank body, the upper end of the spacer bush is fixedly connected with the top wall of the tank body, the lower end of the spacer bush is open, a spiral piece is arranged between the spacer bush and the inner wall of the tank body, and a spiral channel is defined by the spiral piece, the tank body and the spacer bush; a liquid supply pipe is arranged in the spacer bush in the axis direction, the lower portion of the liquid supply pipe is connected with a water pump, the water pump is fixedly connected with the bottom of the tank body, the pipe wall of the liquid supply pipe is communicated with a plurality of branch pipes, the branch pipes penetrate through the spacer bush, stretch into the spiral channel and are spirally distributed in the spiral channel, and spray heads are evenly distributed on the pipe sections, located in the spiral channel, of the branch pipes. According to the VOC tail gas treatment device, VOC tail gas is firstly cooled, the airflow passing time is prolonged, the cooling effect is good, the contact time of VOC gas and washing liquid is prolonged, full washing adsorption is conducted, then gas-liquid separation is conducted, the VOC gas can be rapidly and efficiently treated, and the using effect is remarkable.

An impedance sensing structure is provided and includes a dielectric layer, a spiral electrode pair forming a dual spiral channel on the dielectric layer and having an inlet portion at a central region of the dual spiral channel and an outlet portion at an end of the dual spiral channel, inlet and outlet elements and sensing circuitry. The inlet and outlet elements are coupled with the inlet and outlet portions, respectively, for directing fluid or gas to flow through the dual spiral channel. The sensing circuitry is electrically connected with the spiral electrode pair and configured to sense the particles in the fluid or gas in accordance with an impedance of the spiral electrode pair and the fluid or gas flowing through the dual spiral channel.

The invention provides an absorption tower. The absorption tower comprises a tower body; the filling block is arranged at the top of the tower body; the plurality of spiral channels are arranged on the filling block at intervals, and the air inlet pipe is communicated with the bottom of the tower body; the gas outlet pipe is communicated with the top of the tower body. According to the technical scheme, the problem that in the related technology, CO2 is cooled through spraying, and then energy waste is caused is effectively solved.

This invention provides a phototube cooling mechanism and photoelectric system for tracking slabs in a heating furnace. The phototube cooling mechanism includes a sleeve, a guide tube, a glass plate, a pressure cap, and a cold flow tube. The sleeve has a first end and a second end opposite each other along its own axial direction. The guide tube is fitted inside the sleeve and is flush with the first end. A spiral channel exists between the outer wall of the guide tube and the inner wall of the sleeve. The spiral channel extends through the second end. The glass plate is located at the first end of the sleeve and the end of the guide tube, and is in contact with the space of the spiral channel. The pressure cap is connected to the first end of the sleeve and presses the glass plate tightly against the sleeve and the guide tube. The cold flow tube is disposed on the outer wall of the sleeve near the first end and communicates with the spiral channel. The spiral flow of the cold flow increases the heat exchange time, thereby removing more heat. Therefore, the temperature of the cold flow can be set relatively high, thereby reducing the heat removed from the furnace by the cold flow, thus improving the utilization rate of the furnace and reducing fuel consumption.

The present invention discloses a three-dimensional microfluidic hazard factor detection chip, and relates to the technical field of microfluidics, the three-dimensional microfluidic hazard factor detection chip at least comprises a microfluidic chip main body and a detection reaction base, a magnetic rod accommodating hole, a spiral channel, a liquid adding cavity, a waste liquid cavity, a detection reaction base positioning opening, a liquid outlet, a first air suction channel and a second air suction channel are arranged in the micro-fluidic chip main body, and a detachable magnetic rod is arranged in the magnetic rod accommodating hole; the detection reaction base is detachably arranged at a detection reaction base positioning opening in the bottom of the micro-fluidic chip main body, and the detection reaction base and the detection reaction base positioning opening are in sealing fit; the invention provides a three-dimensional microfluidic hazard factor detection chip capable of integrating uniform mixing, magnetic separation, purification and one-step multi-joint detection.

This invention discloses an adjustable dual-band acoustic metasurface absorber with nested double-helix tracks, comprising an outer cavity, an inner cavity, and a central column arranged coaxially. A sealing cover is provided on the inner cavity, with a through hole and a central hole for avoiding the center. The inner wall of the outer cavity and the outer wall of the inner cavity form an outer large-radius spiral channel, within which outer helical blades are arranged spirally extending along the central axis of the central column. The inner wall of the inner cavity and the outer circumferential surface of the central column form an inner small-radius spiral channel, within which inner helical blades are fixedly connected to the central column. This invention can effectively absorb noise over a wide frequency band (especially in the low-frequency range), exhibits good environmental adaptability and durability, can intelligently adjust sound absorption characteristics, and simultaneously considers environmental friendliness and aesthetics.

The invention relates to the technical field of traditional Chinese medicine nursing, in particular to a medicine hot compress device for traditional Chinese medicine nursing and a using method thereof.The medicine hot compress device for traditional Chinese medicine nursing comprises an inner core layer used for providing shaping capacity so that the hot compress device can be wound around the joint position of a patient; the circulating layer is arranged on the surface of the inner core layer and comprises an inner spiral channel for heat source circulation and an outer spiral channel for heat source recovery, and the inner spiral channel is communicated with the outer spiral channel, so that the heat source penetrates through the inner spiral channel and flows back through the outer spiral channel. The shaping shaft serves as the center, random deformation is conducted within a certain limit, meanwhile, the inner spiral channel and the outer spiral channel are each of a spiral structure, so that a heat source still keeps circulating when the inner spiral channel and the outer spiral channel are bent, namely, the shape change of the shaping shaft does not affect circulating flowing of the heat source, and the heat source is not prone to deformation. Therefore, the purpose of adaptive change according to the hot compress position is achieved.

A seed-delivery device (126) includes a seed meter (128) having a metering disc (202) configured to receive seeds, a seed tube (130) coupled to the seed meter and having a helical channel (304) formed in a wall thereof, an insert (302) within the seed tube, and a drive mechanism (132) configured to rotate the insert. A row unit (100) and method of planting with such seed-delivery device are also disclosed.

The present application discloses a low water consumption showerhead that can provide a user with a higher water pressure experience without the need to add water supply. A first example showerhead may include nozzles having coaxial inner and outer chambers, each nozzle may provide one or more different types of media to a user. The inner chamber of the nozzle may be adjusted relative to the outer chamber, which may allow a user to manipulate the relative flow rates from the two chambers. A second example showerhead may include a helical channel along which one or more types of media may flow. The outlet may be positioned along the helical channel such that a portion of the medium within the helical channel may exit the showerhead and be directed to a user. The width or area of the spiral channel may be tapered so as to provide a substantially uniform pressure at each outlet.

Combined cooling of electric machines are disclosed, for example, motors or generators, directly and by means of a water jacket. Particularly, it is provided an electric machine (100), comprising a housing (110), a water jacket (120) integrated in the housing (110) and a stator (130) accommodated in the housing (110) and comprising stator end windings (133) at a first axial end and a second axial end of the stator (130) and a plurality of channels (135) extending entirely through the stator (130) between the first axial end and the second axial end of the stator (130), wherein the plurality of channels (135) is configured and arranged for guiding a coolant towards the stator end windings (133). The water jacket (120) comprises an inlet (122) and an outlet (124) and a helical channel (128) connecting the inlet (122) with the outlet (124) and having a diameter larger than the diameter of the inlet (122) and the diameter of the outlet (124).

The application relates to the technical field of optical fiber communication cables, in particular to an ultra-low-loss hollow-core optical fiber composite cable based on an anti-resonance structure, which comprises a cylindrical optical fiber composite cable body, a reinforcing rod serving as a support member is arranged at the center of the optical fiber composite cable body, a plurality of spiral partitions fixedly connected with the reinforcing rod are uniformly distributed in the circumferential direction of the reinforcing rod, adjacent spiral partitions form independent spiral cavities, the spiral cavities are variable-pitch spiral channels, hollow-core optical fibers and solid-core optical fibers are arranged in the spiral cavities at intervals and are wound around the outer periphery of the reinforcing rod along the spiral tracks of the spiral partitions, and a sealing protection structure is mounted on the periphery of the spiral cavities, so that the problems in the prior art that the stress resistance is weak, the optical fiber is easily broken or the transmission loss is increased when the optical fiber is laid, stretched and bent, and the crosstalk between the optical fibers is serious, thereby affecting the transmission stability are effectively solved.

The application discloses a micro-fluidic chip for sorting sub-micron scale cells, which is composed of three components of an upper cover plate, a cell sorting micro-channel and a lower bottom plate by layer bonding. The upper cover plate is provided with an outside inlet, an inside inlet, an outside outlet and an inside outlet. The cell sorting micro-channel is composed of three regions of an inlet structure adjusting region, a spiral channel region and an outlet region. The lower bottom plate is provided with a convex wedge-shaped structure, and three kinds of inlet structures of an outside-narrow-inside-wide shape, an outside-inside-equivalent shape and an outside-wide-inside-narrow shape can be obtained by adjusting the position of the wedge-shaped structure. The sub-micron scale cells are sorted by the cooperation of the cell sorting micro-channel and the wedge-shaped structure. The spiral micro-channel is introduced, the cell transverse migration starting point is controlled by adjusting the spiral channel inlet structure and cooperating with suitable flow conditions, and the high-precision sorting of the sub-micron scale cells is finally completed. The cell sorting diversity and adaptability are improved by flexibly adjusting according to specific sorting requirements.

The utility model discloses a plastic particle cooling and deodorizing device, which belongs to the technical field of plastic particle processing devices and comprises a base. The buffering assembly is connected to the base; the cooling and deodorizing mechanism comprises a reaction frame connected to the top of the buffer assembly, a rotating disc is fixedly connected to the reaction frame, a spiral channel is defined by the rotating disc and the reaction frame, the top of the reaction frame communicates with an air inlet pipe, and the side portion of the reaction frame communicates with a plurality of air outlet holes; one end, far away from the reaction frame, of each air outlet hole points to the spiral channel. According to the utility model, an external compressed nitrogen source fills compressed nitrogen into the reaction frame through the gas inlet pipe, the electrodes are electrified to generate a high-voltage electric field, ionize nitrogen, generate high-energy electrons and free radicals, and react and absorb volatile organic compounds released by plastic particles to finish deodorization; and meanwhile, redundant nitrogen is discharged from the air outlet holes, and heat dissipation is conducted on the plastic particles in the spiral channel.

This invention relates to a spiral noise-canceling earphone, comprising: an earphone head including a front cavity and a rear cavity opposite to the front cavity, wherein a sound-generating unit is disposed within the front and rear cavities; one end of the rear cavity that connects to the front cavity is designated as the front end, and the other end as the rear end; the inner wall of the rear cavity extends from the front end to the rear end, and the distance to the center of the rear cavity decreases as it approaches the rear end; a noise-canceling structure is provided on the inner wall of the rear cavity, the noise-canceling structure including a first spiral ridge, a second spiral ridge, and a spacer groove; the first spiral ridge and the second spiral ridge extend clockwise or counterclockwise from the front end of the rear cavity along its inner wall to the rear end; through the cooperation of the first spiral ridge, the second spiral ridge, and the spacer groove, combined with the conical cavity and the gradually changing width of the spiral ridge, a complex sound wave propagation path is formed; when noise passes through these spiral channels, the sound waves are subjected to multiple reflections and interferences, resulting in gradual energy attenuation, thereby achieving the effect of eliminating noise and improving sound quality.

The invention provides an abandoned mine multi-channel spiral transportation gravity energy storage system and a using method thereof.The abandoned mine multi-channel spiral transportation gravity energy storage system comprises a plurality of spiral channels and a material warehouse, the spiral channels are spirally fixed to the well wall of an abandoned mine, and the material warehouse is arranged on the outer side of the abandoned mine; a multi-stage sorting conveying plate, a conveying plate and a storage tank are arranged in the material warehouse, the storage tank is arranged between the multi-stage sorting conveying plate and the conveying plate, a roller conveying assembly is arranged in the spiral channel, and a power generation module and a driving module are arranged in the roller conveying assembly. The power generation module is used for gathering and outputting induced current after the materials are conveyed downwards from the roller conveying assembly, and the roller conveying assembly drives the materials to be conveyed upwards through the driving module. Sorting and lowering of multi-size materials and power generation through a gravity driving path are achieved, and an energy storage and power generation integrated function system is constructed by combining an upper-lower multi-layer material warehouse and a storage tank structure.