28results about How to "Reduce suction resistance" patented technology

The invention relates to a paper filter material as well as a preparation method and application thereof. The preparation method of the paper filter material comprises the following steps: S1, preparing flash drying pulp, mercerizing pulp, paper pulp dried in a drying cylinder and water into pulp; s2, carrying out in-pulp sizing on the pulp obtained in the step S1, and then forming, dehydrating and drying to obtain raw paper; and S3, carrying out surface sizing on the raw paper in the step S2 by adopting starch, and drying to obtain the paper filter material. The paper filter material obtained through the preparation method keeps good air permeability and has high bulk, a paper filter tip rod made of the paper filter material serving as a filter element has low suction resistance and good suction resistance stability, an existing cellulose acetate fiber filter tip rod can be replaced, and production cost, environmental protection and suction experience are all considered.

The electronic cigarette comprises a shell, an atomizer and a main control unit, one end of the shell is provided with an opening, the shell is provided with a mounting base, the atomizer is fixed to the upper portion of the mounting base, part of the atomizer extends out of the opening, the main control unit is detachably mounted at the end, away from the atomizer, of the shell, and an air inlet is formed in one side of the shell; the mounting base is provided with an air inlet hole and an air inlet channel communicated with the atomizer, the atomizer is provided with an oil storage cavity, an atomization module is fixedly mounted in the oil storage cavity, and a first drainage channel extends downwards from the end, away from the atomizer, of the air inlet channel of the mounting base in the direction of the main control unit; the end, close to the atomization module, of the main control unit is provided with a second drainage channel communicated with the first drainage channel, an airflow sensor is arranged in the second drainage channel, the air inlet hole is formed between the airflow sensor and the air inlet channel, the length of the air channel can be shortened, and therefore the airflow sensor can rapidly detect the airflow change of the channel to start the electronic cigarette. And other parts are not arranged in the drainage channel, so that the suction resistance is small, and a better suction effect is achieved.

The invention relates to the technical field of dust removal, in particular to dust removal equipment for a Raymond grinder, which comprises a shell, a bracket, a filter bag and a knocking assembly, the support is fixed in the shell, and the filter bag is sleeved outside the support; the knocking assembly is arranged in the filter bag and comprises a track ring and a knocking rod, and the knocking rod is slidably installed on the support and connected with the support through an elastic piece. A plurality of track grooves are formed in the track ring and are coaxial with the rotating axis of the track ring, and the diameters of the track grooves are sequentially increased; the track ring is further provided with a through groove communicating with the multiple track grooves. The knocking rod reciprocates to impact the filter bag under the limitation of the wave crest groove and the wave trough groove in the elastic piece and the track groove. And when the bump gradually moves from the track groove with the smallest diameter to the track groove with the largest diameter, the impact of the knocking rod on the filter bag is converted from low-frequency heavy impact to high-frequency light impact and is matched with the blockage condition of the filter bag, the damage to the filter bag can be reduced, the cleaning effect is ensured, and meanwhile, the service life of the filter bag is prolonged.

This invention relates to the field of heated cigarette technology, specifically disclosing a filter tip structure and molding method. The filter tip structure includes: a filter rod core, molding paper, and multiple plugs. The filter rod core is cylindrical, and the molding paper is fixedly sleeved on the outer circumferential surface of the filter rod core. The molding paper has multiple guide holes arranged in an array, with m rows along the circumference of the filter rod core and n columns along the axial direction of the filter rod core, where m and n are both integers greater than 0. The multiple plugs are arranged one-to-one with the multiple guide holes, and the plugs can block the guide holes. With this configuration, the smoker can manually remove the plugs before actually smoking. Removing the plugs increases the entry of side airflow, thereby increasing the ventilation rate of the heated cigarette and reducing the draw resistance during smoking. At the same time, removing the plugs can cause the microcapsules containing flavoring to rupture due to friction, releasing the flavoring and giving the smoke its characteristic aroma, effectively improving the smoker's smoking experience.

The invention provides a liquid cooling unit capable of automatically cleaning a condenser and a control method thereof, and the liquid cooling unit comprises a housing which is internally provided with an installation space; the refrigeration module is arranged in the mounting space and comprises a refrigeration circulation loop formed by connecting a compressor, a condenser, an evaporator and an expansion valve in series through a pipeline; the self-cleaning module comprises at least one air blowing assembly and a control module electrically connected with the air blowing assemblies, the air blowing assemblies are arranged in the mounting space and arranged on the side face of the condenser, and the air blowing assemblies are provided with air blowing openings facing the side face of the condenser; the control module is used for controlling the air blowing opening to blow air to the side face of the condenser according to a preset time interval and / or the operation state of the refrigeration module and / or the dust deposition degree of the condenser. Dust on the condenser is automatically cleaned through the self-cleaning module, the air suction resistance is effectively reduced, and the suction force is improved, so that the heat exchange effect of the condenser is enhanced, the refrigeration efficiency of the liquid cooling unit is improved, and it is guaranteed that energy storage equipment operates at the proper temperature.

The embodiment of the invention discloses an aerosol generating substrate section, a preparation method thereof and an aerosol generating product, the aerosol generating substrate section comprises a flaky substrate, the aerosol generating substrate section is of a winding structure formed by winding the flaky substrate, and the flaky substrate comprises a substrate layer, a casting layer and a plurality of substrate strips; the substrate strips are arranged on one side of the substrate layer at intervals in the winding direction of the flaky substrate, the axial directions of the substrate strips intersect with the winding direction, and the substrate strips can be heated to generate aerosol; the curtain coating layer is formed by curtain coating slurry in a curtain coating mode, and the curtain coating layer wraps at least part of the outer side wall of the matrix strip. The airflow channels can be formed between the substrate strips, and the generated aerosol can be released through the airflow channels, so that the suction effect of the aerosol generating product is ensured, and the suction resistance of the aerosol generating product is reduced.

The invention provides a filter stick capable of improving the taste of a cigarette and application of the filter stick, the filter stick capable of improving the taste of the cigarette comprises a filter element and packaging paper wrapping the filter element, and the packaging paper comprises an inner layer of tipping paper and an outer layer of tipping paper; wherein the outer-layer tipping paper is provided with an easy-to-tear tape surrounding the cigarette in the circumferential direction, and the easy-to-tear tape is in a sawtooth shape or a wave shape; and air holes are formed in the surface of the inner-layer tipping paper. According to the filter stick capable of improving the taste of the cigarette, when the filter stick is used, the easy-to-silk belt of the outer-layer tipping paper can be torn off, the inflow amount of external air can be increased due to the fact that the air holes are formed in the surface of the inner-layer tipping paper, then the suction resistance of the cigarette can be reduced, the inlet temperature can be adjusted, and due to dilution of air, the irritation of smoke can be reduced, and the taste of the cigarette can be improved. Therefore, the taste of the cigarette is improved.

Compared with the prior art, the small reservoir siphon irrigation and drainage pipeline structure disclosed by the invention has the following beneficial effects that during working, the first control valve is closed, the water adding pipe adds water into the connecting section, so that the water delivery section is filled with water at a certain height, then the water adding pipe is closed, the first control valve is opened, and water flow in the water delivery section flows out to form a siphon effect; due to the fact that pipelines are adopted in the water suction section, the water conveying section and the connecting section, leakage is avoided, the problem that water leaks when a water conveying hole is used is solved, and due to the fact that the multiple water suction pipes are arranged, the suction resistance can be reduced, and the pumping efficiency can be improved. Comprising a water sucking section, a water conveying section and a connecting section arranged between the water sucking section and the water conveying section, a bending section is arranged between the connecting section and the water sucking section in an upward bending mode, a water adding pipe is arranged on the connecting section and located on the side, close to the water conveying section, of the bending section, a first control valve is arranged at the lower end of the water conveying section, and a plurality of water sucking pipes with upward openings are arranged on the water sucking section.

The invention relates to high-air-permeability non-wrinkling cellulose paper as well as a preparation method and application thereof. The preparation method of the high-air-permeability non-wrinkling cellulose paper comprises the following steps: S1, preparing pulp from paper pulp dried by a drying cylinder, flash drying pulp, mercerizing pulp, chemical fibers and water; s2, carrying out in-pulp sizing on the pulp obtained in the step S1, and then forming, dehydrating and drying to obtain raw paper; and S3, carrying out surface sizing on the raw paper in the step S2, and drying to obtain the cellulose paper. The cellulose paper prepared by the preparation method can reach high thickness without transverse wrinkling treatment, is good in air permeability, small in suction resistance and good in suction resistance stability, and meets the requirements for preparing groove filter sticks.

The present invention relates to a line contact one-way valve, in particular to a line contact one-way valve that fixes a valve plate through a baffle structure with a through hole, which can be applied to a line contact one-way valve of an engine breathing system. Since a through hole structure is provided on the baffle that fixes the valve plate, the suction resistance of the valve plate when it is separated from the baffle when the one-way valve is closed is reduced, thereby improving the stability of the one-way valve. In addition, the smaller contact area of ​​the line contact reduces the adhesion of the oil at the contact point of the valve plate due to viscosity, and the adhesion resistance of the valve plate when opening the one-way valve is smaller. The small movement resistance and small movement stroke of the valve plate enable the one-way valve to quickly switch between opening and closing, thereby making the one-way valve have higher sensitivity.

The present application relates to the field of cigarette technology, and particularly relates to a production method of a heat-not-burn cigarette and a cigarette. The production method of the heat-not-burn cigarette comprises the following steps: common tobacco shred production: mixing a tobacco powder mixture with a porous fiber base material to press a common tobacco sheet with a set thickness, and cutting the common tobacco sheet to obtain common tobacco shreds; heat-conducting tobacco shred production: attaching a heat-conducting metal material on the common tobacco sheet or attaching the heat-conducting metal material on the porous fiber base material to obtain a heat-conducting sheet, the surface density of the heat-conducting sheet being the same as that of the common tobacco sheet, and cutting the heat-conducting sheet to obtain heat-conducting tobacco shreds; and cigarette production: uniformly mixing the heat-conducting tobacco shreds and the common tobacco shreds with a set proportion, and rolling the heat-conducting tobacco shreds and the common tobacco shreds into cigarettes by using a cigarette rolling machine. The present application can improve the heat-conducting performance of the cigarette while not increasing the suction resistance, increase the release amount of smoke during smoking, and ensure the consistency of the product.

The smokeless instant-boiling oven is characterized in that a smoke suction ring is arranged at the upper end of an oven shell, cookware and a barbecue food carrier are respectively arranged in the smoke suction ring, a barbecue heating furnace core is higher than a cookware heating furnace core and is arranged in the oven shell to form an internal space of the oven body, a plurality of smoke suction holes are formed in the inner side of the smoke suction ring, and a smoke outlet is formed in the oven shell. The barbecue food carrier is provided with a suction assisting hole, the inner side wall corner of the stove shell and the inner side wall corner of the smoke suction ring are arc-shaped, the smoke suction hole is communicated with the smoke exhaust port in the stove shell, the suction assisting hole is communicated with the smoke exhaust port in the stove shell, the outer wall or the outer wall corner of the cookware is arc-shaped, and the combined edge of the barbecue food carrier and the cookware is matched with the upper end of the cookware in shape. When smoke is sealed, the upward leakage of the sucked air in the furnace body is reduced, the suction force is more concentrated at the positions of the smoke suction holes and the suction assisting holes, and the air resistance during smoke exhaust is reduced, and the smoke suction effect is improved.

The utility model relates to a percolate suction backflow prevention device which comprises a suction pump and a siphon tank which are arranged on the ground and connected with each other, the water inlet end of the siphon tank is connected with a percolate adjusting pool through a suction pipe, the suction pipe is provided with a control valve, the control valve is electrically connected with the suction pump through a control unit, and the control unit is electrically connected with the suction pump. The control unit receives a shutdown signal of the suction pump and drives the control valve to be closed; and a water adding opening in the top of the siphon tank is connected with the water inlet assembly. The device is reasonable in structural design, and the control valve is arranged on the suction pipe and is controlled to be closed after the suction pump stops, so that the suction pipe is blocked, the percolate in the suction pipe is prevented from flowing back into the percolate adjusting tank, and the suction resistance of the next time is reduced; meanwhile, the water adding opening in the top of the siphon tank is connected with the water inlet assembly, water is poured into the siphon tank through the water inlet assembly, manual water pouring is not needed, and the operation convenience is effectively improved.

According to the cigarette wrapping material and the heating cigarette provided by the invention, the cigarette wrapping material is formed by compounding a single thermosensitive structural layer or multiple thermosensitive structural layers, the cigarette wrapping material serving as the wrapping material for heating a cigarette core is used in the heating cigarette, and the opening and closing states of the air holes of the cigarette core section can be changed according to the temperature change. When the cigarette is not heated, the temperature is low, the air holes are in a closed state, moisture entering the environment can be reduced, tobacco shreds can be kept dry, and moisture absorption of the cigarette is slowed down; during heating, the temperature rises, the air holes are opened, convection between the cigarette and the surrounding environment is increased, and heat dissipation of the cigarette and reduction of suction resistance are facilitated.

This invention provides an aeroponic cultivation device, comprising a magnetic frame and a magnetic soft membrane shell disposed on the surface of the magnetic frame. The magnetic frame houses an electrical box, a nutrient solution tank, a water storage tank, a high-pressure water pump, a sterilization and filtration device, at least one atomizing box with a planting rack, at least one seedling rack, and growth lights positioned relative to the planting rack and seedling rack. The nutrient solution tank, water storage tank, high-pressure water pump, and atomizing box are sequentially connected via flexible hoses. An atomizing nozzle is located at the outlet of the hose connecting to the atomizing box. The bottom plate of the atomizing box extends obliquely downwards from one side, and its upper surface is recessed with a guide groove and a liquid collection port located at the end of the guide groove. The liquid collection port is connected to the inlet of the sterilization and filtration device via a return pipe, and the outlet of the sterilization and filtration device is connected to the water storage tank. This aeroponic cultivation device offers the advantages of stable nutrient solution circulation and ease of maintenance.

The utility model relates to an aerosol generating device, which comprises a heating tube, a heating tube, a heating element and an aerosol generating element, wherein a heating cavity is formed in the heating tube in a penetrating manner; and the base is matched at one end of the heating tube, and an accommodating cavity and an air inlet channel communicated with the accommodating cavity are formed in the base. The heating cavity and the containing cavity are communicated to form a containing channel used for containing at least part of the aerosol generating product, and at least one boss is formed at the end, close to the air inlet channel, of the containing cavity and used for supporting the aerosol generating product. The aerosol generating product is supported by the boss, and the contact area between the base and the bottom of the aerosol generating product can be reduced, so that the air inlet area is increased, the suction resistance is reduced, and the smoke outlet effect is improved.

This application provides an aerosol generating device, which includes an atomizer and a power supply component. The atomizer has an atomization channel. The atomizer and the power supply component together enclose a cavity, the wall of which has multiple air inlets. The air inlets communicate with the atomization channel through the cavity and with the outside of the aerosol generating device. The sum of the minimum cross-sectional areas of all the air inlets is less than the minimum cross-sectional area of ​​the atomization channel. The aerosol generating device in this application uses multiple air inlets. On the one hand, the smaller cross-sectional area of ​​each air inlet helps to increase the airflow velocity, thereby improving the efficiency of expelling larger aerosol generation matrix particles from the aerosol generating device and enhancing the user's inhalation experience. On the other hand, the larger sum of the cross-sectional areas of all the air inlets helps to reduce the suction resistance experienced by the user during aerosol inhalation, improving the user experience.

The utility model provides an aerosol generating product and an aerosol generating system. The aerosol generating product comprises an aerosol generating substrate which is arranged along the axial direction of the aerosol generating product and is configured to generate aerosol when being heated; the aerosol generating substrate is of a porous structure with micropore pores inside, and a plurality of first micropores which are orderly arranged in the radial direction and a plurality of second micropores which are disorderly presented are formed in the aerosol generating substrate; and the first micropores are communicated with the second micropores. According to the aerosol generating product, the aerosol generating substrate has improved porosity and reduced draw resistance, and uniform release of aerosol in use is facilitated.

The aluminum ash ball-milling equipment with the good dust collection effect comprises a hopper, a conveying belt and a ball mill, the conveying belt conveys aluminum materials falling from the hopper to the ball mill for ball-milling treatment, the aluminum ash ball-milling equipment further comprises a dust collection fan, a dust collection pipe and at least two steering elbows, the dust collection fan is connected with the dust collection pipe, the dust collection pipe horizontally extends to the upper side of the hopper, and the steering elbows are connected with the conveying belt. The dust collection fan is connected with the top of the hopper in a vertically downward mode after being steered by the first steering elbow and is connected with the top of the hopper in a vertically downward mode after being steered by the second steering elbow, the dust collection fan sucks raised dust in the hopper through the dust collection pipe, the two steering elbows are obtuse-angle steering elbows, and the dust collection pipe is steered by the first steering elbow and then obliquely and downwards extends to the position over the hopper. And the second steering elbow is vertically downwards connected with the top of the hopper. Due to the fact that the portion, close to the top of the hopper, of the dust collection pipe does not adopt a vertical steering elbow with high resistance but adopts an obtuse angle steering elbow with low resistance, dust collection resistance in the dust collection process is remarkably reduced, dust collection efficiency is high, and the dust collection effect is good.

Disclosed are a filter nozzle (100) and an atomization device. The filter nozzle (100) includes a casing (1). A passage (11) is formed at the casing (1), the polylactic acid cotton element (4) is capable of adsorbing and capturing impurities from the gaseous substances output from the atomizer, and the support element (3) can support the casing (1). The support element (3) is provided with a gas passage (31), which reduces the resistance of smoke transmission. By setting the support element (3), the length of the polylactic acid cotton element (4) in the passage (11) can further be reduced, thereby reducing the suction resistance of the filter nozzle (100). The first functional substance (2) and the second functional substance (5) are substances with medicinal effects or fragrances. By filling the first functional substance (2) and / or the second functional substance (5), the effect (such as fragrance and / or medicinal effect) of the gaseous substance output by the filter nozzle (100) can be improved. The first filling section is filled with two of the first functional substance (2), the support element (3) and the polylactic acid cotton element (4) along the length direction of the casing (1), and the second filling section is filled with one of the second functional substance (5), the support element (3) and the polylactic acid cotton element (4).

The embodiment of the invention provides an atomization device and an electronic cigarette, the atomization device comprises a shell, an air outlet channel is arranged in the shell, and an air inlet hole is formed in the shell; the atomization assembly is located between the oil storage cavity and the atomization cavity, and the atomization assembly comprises an air channel structure and an atomization core; the air channel structure is provided with a communicating channel communicating the atomization cavity and the air outlet channel, and at least part of the communicating channel inclines relative to the first direction; in the second direction, the atomization core is arranged between the air channel structure and the shell, the atomization core and the air channel structure can reduce suction resistance of airflow in the atomization device during flowing in a large-space atomization cavity in the atomization side of the atomization core, and the smoking taste of the electronic cigarette provided with the atomization device is guaranteed.

The utility model relates to a smoking product, in particular to a porous filter, which comprises a coating layer extending along the axial direction, a filter main body extending along the axial direction is arranged in the coating layer, the filter main body comprises a first support section I, a second support section I and a third support section I, the cross section of the first supporting section I, the cross section of the second supporting section I and the cross section of the third supporting section I are each in a C shape, the two ends of the first supporting section I are connected with the second supporting section I and the third supporting section I respectively, openings of the first connecting section and the second connecting section are opposite, and a gap is formed between the bottoms of the first connecting section and the second connecting section. The free end of the second supporting section I and the free end of the third supporting section I are connected or make contact to form a movable first supporting structure, so that the first supporting section I, the second supporting section I and the third supporting section I are combined to form an integral channel, and according to the scheme, the cigarette holder is designed to be of a specific structure, the smoking experience of a user is improved, and meanwhile excessive deformation of the filter is effectively prevented.

The invention provides a preparation method of an integrally formed heat-not-burn cigarette cartridge, which comprises the following steps: A) mixing and forming a tobacco raw material, an adhesive, water and perfume, and freeze-drying to obtain a porous tobacco incense stick inner core; and B) stirring and mixing a tobacco raw material, an adhesive, a reinforcing agent and a humectant, pouring the mixture into a mold containing the porous tobacco incense stick inner core, and freeze-drying to obtain the integrally-formed heat-not-burn cigarette cartridge. The smoke cartridge prepared from the tobacco raw materials and the additives through a freeze drying method contains rich three-dimensional porous honeycomb structures and has the advantages of being large in specific surface area, high in porosity, small in density and the like, a gas path is formed, smoke and aroma components can be rapidly dissolved out and released easily, the suction resistance is reduced, and the user experience is better. The porosity of the internal passage structure of the three-dimensional porous smoke cartridge can be adjusted through the solid content of the raw materials. And the integrally-formed smoke cartridge prepared by the process is better in uniformity, and the stability of the product can be remarkably improved.

A table top is arranged on a table frame, a plurality of instant-boiling and baking table positions are arranged on the table top, each instant-boiling and baking table position is provided with an installation hole, each installation hole is provided with a corresponding smoke suction ring, a bottom shell is arranged below each smoke suction ring, a smoke exhaust opening is formed in each bottom shell, and the smoke exhaust openings are communicated with the smoke exhaust openings. The cookware and the barbecue food carrier are located in the smoke suction ring, the barbecue food carrier is provided with suction assisting holes, a plurality of smoke suction holes are formed in the inner side of the smoke suction ring, the inner side wall corners of the smoke suction ring and the inner side wall corners of the bottom shell are arc-shaped, a circle of bearing steps are arranged on the upper edge of the inner side of the smoke suction ring, and a cookware heating furnace core and a barbecue heating furnace core are arranged in the bottom shell. The outer wall or the outer wall corners of the cookware are arc-shaped, the combined edge of the barbecue food carrier and the cookware is matched with the shape of the upper end of the cookware to enable the barbecue food carrier and the cookware to be combined, the area of the barbecue food carrier can be increased when the size and the shape of the cookware are not changed, and multi-person separate instant-boiling and barbecue dining on the same table is achieved.

The invention relates to the field of tobacco, in particular to a heating cigarette. The heating cigarette comprises a filter tip section and a tobacco section, and the filter tip section and the tobacco section are wrapped and formed by wrapping paper. The outer end of the tobacco section is provided with a non-porous breathable sealing film, and the edge of 1 / 3-1 / 2 perimeter of the non-porous breathable sealing film is connected with the end of the wrapping paper. Or the outer end of the tobacco section is provided with a sealing film with holes, and the edge of at least one third of the perimeter of the sealing film with holes is connected with the end of the wrapping paper. The sealing film is partially connected with the wrapping paper at the outer end of the tobacco section, tobacco raw material residues during extraction are effectively prevented, and low cigarette suction resistance is achieved. Tests show that the outer end of the tobacco section is provided with the sealing film which is only connected with half of the wrapping paper, the suction resistance is obviously reduced compared with that of a cigarette which is fully connected with the sealing film, and a pulling experiment is carried out on 100 cigarettes, and the result shows that tobacco shreds have no residues.

The invention provides a filter stick capable of improving the sensory quality of cigarettes and application thereof.The filter stick comprises a filter element and packaging paper wrapping the filter element, and the packaging paper is composed of inner-layer tipping paper, a tobacco sheet layer and outer-layer tipping paper which are sequentially stacked; the tobacco sheet layer and the filter element both contain plant essential oil. According to the filter stick capable of improving the sensory quality of the cigarettes, the smoking resistance of the cigarettes can be reduced, the inlet temperature can be adjusted, the fragrance of the tobacco sheet layer can be brought into the filter stick, and then the taste of the cigarettes is improved.

A closed system for electrolyzing rare earth metal belongs to the technical field of equipment for electrolyzing rare earth metal, and comprises a wall body forming a closed space, a door and a ventilation pipeline which are arranged on the wall body, and a sealing device positioned in the closed space, the sealing device comprises a rear fan cover, a left fan cover, a right fan cover, a fixing device, a telescopic pneumatic device and a suction pipeline, the rear fan cover is connected with the telescopic pneumatic device through the fixing device, the telescopic pneumatic device is connected with the suction pipeline, and the rear fan cover, the left fan cover and the right fan cover are placed on the upper surface of the electrolytic furnace body; the rear fan cover, the left fan cover and the right fan cover are combined together to form a sealing cover, and a cathode component hole is formed in the upper portion of the sealing cover. According to the utility model, dust, carbon monoxide, carbon dioxide and fluorine-containing waste gas can be prevented from overflowing and diffusing during stirring, feeding and discharging operations; the suction resistance and fan energy consumption can be reduced, meanwhile, the temperature in the seal can be reduced, and the service life of the magnetic suction sealing strip is prolonged.