95results about How to "Improve smoking efficiency" patented technology

The invention discloses a ceiling type range hood, which comprises a smoke collection hood, an air inlet formed in the bottom surface of the smoke collection hood, an oil collection plate, a flow guide hood and a drawing type oil collection box, wherein the oil collection plate is fixed right below the air inlet and forms a channel available for air to inflow in four sides with the bottom surface in which the air inlet is formed; an oil outlet is formed in the middle of the oil collection plate; the flow guide hood covers the lower surface of the oil collection plate; the drawing type oil collection box is arranged on the flow guide hood and is opposite to the oil outlet in position. According to the ceiling type range hood, air can enter from four sides and the smoke suction efficiency is relatively high; by arranging the drawing type oil collection box, collection of relatively large amount of oil drops can be guaranteed, the drawing type oil collection box can be conveniently and rapidly dismounted and the use is convenient; four side plates of the flow guide hood are obliquely arranged, so that oil fume can be guided from four directions and the oil fume suction capability of the range hood is enhanced to the greatest extent; by forming a stressed groove or a stressed pulling block in the bottom surface of the drawing type oil collection box, a user can find a force point while operating so as to conveniently draw out the drawing type oil collection box.

The invention discloses a method and an apparatus for piece cigarette storage and distribution. The method is characterized in that piece cigarettes (2) with the same band from a piece cigarette importing conveyor belt (1) are stacked up into a cigarette pile (4) via a piece cigarette piling storehouse (3), , and then the cigarette pile (4) is transported to a cigarette pile storage area (6) via a storage area conveyor belt (5). The cigarette pile storage area is composed of 10 to 50 cigarette pile storage units (7), and the cigarettes piles of the same band are evenly stored in one or more cigarette pile storage unit. Each cigarette pile storage unit is provided with a cigarette pile releasing storehouse (8), and according to the order amount, the cigarette pile in the cigarette pile storage unit is split into piece cigarettes by a cigarette pile distribution storehouse of each cigarette pile storage unit and transported to a piece cigarette conveyor belt (9). The invention has high automation degree and can decrease the labor intensity of workers. Because the piece cigarettes are piled and stored in the storehouse, the occupation area can be decreased. When transporting the cigarettes, each cigarette pile storage unit can transport the cigarettes simultaneously through respective cigarette pile distribution storehouse with short transport time and high transport efficiency.

The invention relates to a fuming furnace facilitating temperature adjustment. The fuming furnace facilitating temperature adjustment comprises a furnace barrel, a flue and a dust collector. One end of the flue communicates with the upper portion of the furnace barrel. The other end of the flue communicates with the dust collector. A filter screen is arranged in the position where the flue communicates with the dust collector. The furnace barrel comprises a furnace barrel body, a feed tank, an air inlet and a slag removing port. The feed tank is arranged on one side of the furnace barrel body and located below the flue. The air inlet and the slag removing port are arranged on the other side of the furnace barrel body from top to bottom in sequence. The flue comprises a flue body and collection hoppers. The collection hoppers are rotatably arranged at the lower end of the flue body and located above the feed tank. The sidewall of the furnace barrel is provided with an infrared thermometer. The infrared thermometer is connected with a processor through a circuit. The processor is connected with a displayer through the circuit. According to the fuming furnace facilitating temperature adjustment, the temperature in the furnace barrel can be detected in real time and displayed through the displayer, the temperature can be adjusted by operating personnel in time, and the fuming efficiency of minerals is improved.

The invention relates to a semi-automatic cigarette sorting line, which comprises a machine frame, a conveying belt, and not less than two cigarette sorting execution units. The cigarette sorting execution units comprise sorting execution devices and cigarette temporary storage bins, the sorting execution devices are arranged across the upper part of the conveying belt, a cigarette conveying channel is arranged in the space between the bottom part of the sorting execution devices and the conveying surface of the conveying belt, and the shifting-out direction of cigarettes is parallel to the conveying direction of the conveying belt; the cigarette temporary storage bins are upright arranged at the upper part of the sorting execution devices, the bearing plates of the sorting execution devices are the bin bottoms of the cigarette temporary storage bins, a cigarette shifting-out opening is provided on the side wall at the bottom part of the cigarette temporary storage bins facing towards the conveying direction of the conveying belt. The invention provides the semi-automatic cigarette sorting line having high automation level, simple mechanical structure, low labor intensity of worker, and high sorting efficiency.

The invention discloses a smoke exhausting device which comprises a fan assembly and a smoke collecting hood, wherein the fan assembly comprises a fan and a fan shell; the fan is arranged in the fan shell; the fan is vertically placed; the fan shell has only a first smoke inlet opening facing backwards; the smoke collecting hood is arranged below the fan assembly; the smoke collecting hood is provided with a second smoke inlet and a second smoke outlet; the second smoke inlet faces downwards; the second smoke outlet is communicated with the first smoke inlet, wherein the smoke collecting hoodcomprises a flow deflector; the flow deflector is located above the second smoke inlet and extends obliquely upward from the front to the rear. Therefore, the fan assembly is matched with the smoke collecting hood to reduce loss of pneumatic resistance of the smoke exhausting device, improve smoke sucking efficiency of the smoke exhausting device, also reduce noise during work of the smoke exhausting device to improve satisfaction degree of users; moreover, the smoke exhausting device can also achieve an effect of zero smoke leakage.

The invention relates to a fuming furnace capable of achieving preheating and recycling. The fuming furnace comprises a furnace barrel, a flue and a dust collecting device. One end of the flue is communicated with the upper portion of the furnace barrel, and the other end of the flue is communicated with the dust collecting device. A filtering screen is arranged at the communication part of the flue and the dust collecting device. The furnace barrel comprises a furnace barrel body, a feed tank, an air inlet and a residue removing port, wherein the feed tank is arranged on one side of the furnace barrel body and located below the flue, and the air inlet and the residue removing port are formed in the other side of the furnace barrel body from top to bottom in sequence. The flue comprises a flue body and a collecting hopper, wherein the collecting hopper is arranged at the lower end of the flue body in a self-revolving mode and is located above the feed tank. The lower portion of the dust collecting device is communicated with the feed tank through a heat transmitting pipe, and a fan blowing air to the feed tank is arranged in the heat transmitting pipe. Compared with the prior art, waste heat in the dust collecting device can be recycled, mineral materials in the feed tank can be preheated, energy consumption can be reduced, and the fuming efficiency can be high.

The invention provides a smoke generator. The smoke generator comprises a gas turbine and a smoke generating system, wherein the gas turbine comprises a gas turbine main machine, and the gas turbine main machine provides combustion-gas flow with required temperature and flow rate for the smoke generating system. The smoke generating system comprises a first exhaust nozzle and a mist oil input system, wherein the first exhaust nozzle communicates with the gas turbine main machine in a fluid mode, and the first exhaust nozzle is provided with a first exhaust nozzle inlet arranged close to the gas turbine main machine and a first exhaust nozzle outlet arranged away from the gas turbine main machine. The mist oil input system is used for conveying mist oil into the first exhaust nozzle, so that the mist oil forms smog under the action of the combustion-gas flow provided by the gas turbine main machine, and the smog is ejected outwards through the first exhaust nozzle outlet. The inventionfurther provides an operation method of the smoke generator. The smoke generator and the operation method of the smoke generator have the advantages of high smoke generating efficiency, high exhaust gas stability, large smoke generating amount, compact structure, good working stability, flexible maneuvering and the like.

The invention relates to an efficient mute range hood. The efficient mute range hood is provided with a casing, wherein an air inlet is formed in the casing, a separation and flow guide plate for shielding the air inlet is mounted on the range hood and comprises a plane separation plate on the outer layer and a flow guide plate on the inner layer, the middle of the flow guide plate is bulged, and an air inlet channel is gradually reduced from the edges of the flow guide plate to the center. Oil is separated from the outer layer of the separation and flow guide plate, and the inner layer is used for efficient flow guide, the air inlet channel is gradually reduced from the periphery of the separation and flow guide plate to the center of the air inlet, flowing of air is accelerated, and the smoke suction efficiency is higher; the middle of the flow guide plate is bulged, and the conditions that vortex dead angles are formed and suction power is consumed due to face-to-face collision of air on the back side of the separation and flow guide plate after inlet air from the periphery of the separation and flow guide plate converges are avoided; with adoption of the double-layer the separation and flow guide plate, a noise reduction cavity is formed between the plane separation plate and the flow guide plate, and noise of the range hood is effectively reduced.

The invention relates to an energy-saving and environmentally-friendly rack mount of a cooker, which is characterized in that the surface of the cooker rack mount is provided with an embedded cooker mounting hole and the back of the cooker rack mount is provided with a backboard with a buckle groove. A right angle type or circular arc type buckle groove is arranged under the rack mount. The two sides of the rack mount are respectively put on the table top of a cupboard which is under the rack mount. An insulating air pipe is arranged under the surface and a cross flow cooling fan or a small air conditioner is arranged on the front. An insulating baffle and a flip embedded cover frame are mounted on the surface for facilitating cooking. The invention has the advantage that the installation is simple and convenient, and a fume extractor, the cooling fan, the small air conditioner and the cover frame, which are smoke and heat insulating, temperature reducing and convenient, can be broadly applied to the prior family cookers. The insulating baffle can effectively insulate the heat generated by the cooker from the indoor environment, reduce the surrounding temperature of the cooker, which is good to health, reduce the indoor cooling air consumption, save energy in summer and Improve the efficiency of a ventilator greatly. By using the invention, the kitchen environment can be cleaner and more comfortable.

The invention discloses an integrated environmentally-friendly stove, comprising a body and a clamshell-type cover arranged on the top of the body, wherein the clamshell-type cover is composed of a panel having a suction hole and a rotating bar arranged at the bottom of the panel, two ends of the rotating bar are each provided with a rotating member, the rotating members are fixed on the body and can enable the clamshell-type cover to be positioned at different positions at any time in the process of rotation; the sidewall of the hollow rotating bar is provided with a through hole so that the interior of the panel is communicated with the interior of the body via the rotating bar. Adopting the above structure, the integrated environmentally-friendly stove has high suction efficiency and can realize the positioning of the clamshell-type cover thereof at different positions at any time in the process of rotation so that the cover is free from the downward movement caused by gravity.

The invention discloses a high-efficiency household range hood, which comprises a range hood. The interior of the range hood is sequentially provided with racks and partitions from top to bottom. The partition is provided with grooves. Both ends are provided with limit blocks, the groove is provided with a smoking device matching the groove, the bottom of the range fume table is fixed with a primary filter, and the top of the range fume table is provided with a smoke exhaust device. The top of the inner wall of the range fume table is provided with a smoke box, the top of the inner wall of the smoke box is fixedly installed with a blower, and the output end of the blower is connected with a smoke inlet pipe. This high-efficiency household range hood, through the setting of the smoking device, enables the smoking device to move left and right between the partitions, so that it can absorb the oil fume floating from any direction at the bottom of the range hood, and improves the smoking efficiency of the smoking device. It is convenient for people to use, and reduces the direct discharge of oil fume, effectively protecting the environment.

The invention relates to the technical field of beef processing, and discloses a smoking device for smoking beef. The smoking device comprises a bottom plate, wherein a machine body is fixedly connected to the top of the bottom plate, a fire pot is fixedly connected to the bottom of an inner cavity of the machine body, a filter screen which is located in the machine body is arranged directly abovethe fire pot, a heating plate is fixedly connected to the top of the filter screen, a smoking box located in the machine body is arranged directly above the heating plate, and a rotating disk is fixedly connected to one side of the smoking box. According to the smoking device for smoking the beef, rotating devices and a driving device are arranged, beef to be smoked is placed on a hook, and a first motor is used for driving a disk to rotate so as to further drive the hook to rotate, so that the purpose that the beef rotates in a smoking cylinder is realized; and besides, a second motor rotates to drive a rotating block to rotate, so that the rotating block drives the smoking cylinder to rotate, the condition that the beef can always maintain dynamic smoking in the smoking process can be guaranteed, the purpose of uniform smoking of the beef can be realized, and the smoking quality of the beef can be improved.

The invention discloses a near-suction type range hood. The near-suction type range hood comprises a shell and a fan system, wherein the shell comprises a panel which is located at the front end and is inclined relative to the horizontal direction, an opening is formed in the panel to form an air inlet of the range hood, the near-suction type range hood is characterized in that the fan system comprises a first three-dimensional fan and a second three-dimensional fan which are arranged in parallel, the fan system is arranged in a machine box, a smoke guide plate is arranged on the front side ofthe panel, a gap between the smoke guide plate and the panel forms an air inlet channel, and the air inlet channel communicates with the shell through the opening. When the range hood does not work,by closing the smoke guide plate, a relatively smeary filter screen and the fan system can be hidden, so that the range hood is kept clean and tidy; and when the range hood works, by opening the smokeguide plate, air at the periphery of the shell can be guided, airflow passing through an outer flow adjusting layer can be effectively segmented, adjusted and guided, then turbulent flow and disorderly flow in the airflow are reduced, the smooth airflow is formed, namely, the smoke collecting area of the shell is increased equivalently, and the smoke exhausting effect of the range hood can be well improved.

The embodiment of the invention discloses a working power determination method, an electronic cigarette and a computer readable storage medium. The method comprises the steps of obtaining a resistancevalue corresponding to an atomization assembly within preset time after startup, and detecting power adjustment operation, and the power adjustment operation is operation of adjusting the working power of the electronic cigarette by a user; if the power adjusting operation is detected within the preset time after startup, adjusting power corresponding to the power adjusting operation is obtained,and target working power is determined according to the adjusting power; and if the power adjustment operation is not detected within the preset time after startup, obtaining preset power, and takingthe preset power as the target working power. In this way, the personalized smoking requirements of users can be met, and the smoking efficiency can be improved.

The invention discloses a telescopic Intra-operative dissector used for surgical operation. The dissector comprises a housing, a telescopic link, and electrodes. A cavity structure is in the housing,and the housing comprises a shell. The upper surface of the shell is provided with a key boss, and the lower surface is provided with a friction boss, and the front end is provided with a mounting boss. A cavity of the key boss is internally provided with a control circuit board. A cavity of the friction boss is internally provided with a getter device electrically connected with the control circuit board. A cavity of the mounting boss is internally provided with a CCD image collector and an illuminating lamp electrically connected with the control circuit board. Beneficial effects of the dissector are that relative motion of a nut rotary knob and the telescopic link is used to make the telescopic link move accurately, so as to accurately adjust length of the electrode according to depth of a target tissue. A head clamping groove structure of the telescopic link is used, to provide convenience for changing the electrode. Use of the dissector is convenient. The dissector provides convenience for smoke extraction and smoke discharge. The CCD image collector provides convenience for image acquisition, and a computer is used to analyze a dissected approach.

The invention discloses a smoke pesticide spraying machine which comprises a feeding port, a pesticide mixing chamber, a stirring device, a smoke outlet, an oil tank and a back plate. The lower end of the feeding port is connected with the pesticide mixing chamber, the stirring device is installed in the pesticide mixing chamber, the lower end of the stirring device is connected with a vapor-liquid atomizing chamber through a water outlet conduit, an eddy bin is installed in the vapor-liquid atomizing chamber, an air compressor is installed at the right end of the eddy bin, the right end of the air compressor is provided with an air inlet, a control switch is installed on the lower portion of the air inlet, a smoke outlet is arranged at the tail end of the left side of a smoke conduit, the oil tank is installed on the lower portion of the eddy bin, and the back plate is installed on the right side of the oil tank. According to the smoke pesticide spraying machine, air and pesticide solution are mixed and compressed into smoke by utilizing the air compressor, suspension time of the pesticide in air is increased, the pesticide gives full play to its pesticide property to kill pests, so that the pest-killing efficiency of the pesticide is improved, and the pesticide waste rate is reduced.

The invention relates to the technical field of flue gas treatment and further discloses an outdoor barbecue flue gas treatment device capable of changing angles along with wind directions. The outdoor barbecue flue gas treatment device comprises a barbecue oven, wherein a smoke sensor is arranged on the upper side of the barbecue box; a transverse column is fixedly connected to the lower portionof the connecting column; a direction finding chamber is arranged above a meshing chamber; a controller is arranged at the inner lower end of the direction finding chamber; a fixing base is arranged above the controller; a semicircular metal block is fixedly connected to the upper portion of the fixing base; and a first metal block is slidably connected to the upper portion of the semicircular metal block. According to the outdoor barbecue smoke treatment device capable of changing angles along with wind directions in the invention, when a wind direction is changed, a wind direction rod swingsaccording to the wind direction; the included angle of the first metal block sliding on the semicircular metal block is transmitted to the controller through an electric signal; the controller controls a driving shaft to rotate, so the angle of a smoke suction cavity is consistent with the angle of the wind direction rod; and the smoke sensor controls the rotating speed of the motor, and therefore, the purposes of adjusting an air suction direction along with the wind direction and realizing high smoke suction efficiency are achieved.

The invention discloses a front-end air inlet device for treating lampblack. The front-end air inlet device comprises a casing and an air inlet cover, wherein an opening A is formed in one side of thecasing; the air inlet cover is arranged at the opening A of the casing; a fan just opposite to the opening A is arranged in the casing; an exhaust opening is formed in one side, away from the openingA, of the casing; two sides of the fan are movably connected with the casing through damping devices arranged on the inner wall of the casing; each damping device consists of a connecting rod which is fixedly connected with the fan and a damping cylinder fixed on the inner wall of the casing; one end, away from the fan, of each connecting rod, is inserted into the corresponding damping cylinder and does reciprocating motion in the corresponding damping cylinder along the axial direction; a circular separation blade perpendicular to each connecting rod is arranged at the end part of the inserting end of the connecting rod; the curved side wall of each circular separation blade makes contact with the inner wall of the corresponding damping cylinder; springs fixed on the inner walls of the damping cylinders are respectively arranged on the surfaces of the upper and lower sides of the circular separation blades; a buffer force is provided for reciprocating motion of the connecting rods bythe springs arranged on the upper and lower sides of the circular separation blades. The front-end air inlet device disclosed by the invention is simple in structure and capable of reducing noise.

The invention discloses a smoke and dust suction device which comprises a smoke hood main body and a fixed plate; the smoke hood main body is installed under the fixed plate; the fixed plate is provided with a light outlet through which laser light passes; the smoke hood main body is of a hood body structure with the periphery enclosed; the interior of the smoke hood main body is a space which iscommunicated with the light outlet; a main body opening is formed in the side, opposite to the light outlet, of the smoke hood main body; the smoke hood main body is internally provided with an air blowing channel and a suction channel which are mutually independent; the air blowing channel is provided with an air inlet which is connected with external air blowing equipment and a dust blowing holewhich is communicated with the air inlet; the suction channel is provided with an air suction hole which is connected with external suction equipment and a dust suction hole which is communicated with the air suction hole; the dust blowing hole and the dust suction hole are communicated to the main body opening; and the fixed plate is installed on a second sliding plate of laser production equipment, and the second sliding plate is installed on a first sliding plate which can slide along an x axis and can slide along a y axis relative to the first sliding plate. The smoke and dust suction device provided by the invention is good in smoke and dust suction effect, flexible to move and high in efficiency.

The invention discloses a sesame stir-frying, heat-dissipating and smoke-blowing device and method for sesame oil production. The stir-frying device comprises a stir-frying shell, a heating stir-frying mechanism, heat dissipation cooling mechanisms and a smoke blowing mechanism, the heating stir-frying mechanism is mounted in the center of the interior of the stir-frying shell; the smoke blowing mechanism is mounted in the center of the upper side of the stir-frying shell; the heat dissipation cooling mechanisms are arranged on the stir-frying shell on the two sides of the smoke blowing mechanism; a whole stir-frying pipe is heated through a heating resistor; the stir-frying pipe is driven to rotate by a turnover motor through a turnover shaft; internal sesame seeds are uniformly heated; after the sesame seeds in the stir-frying pipe are heated, an external water pipe is mounted in a pipe mounting head in the heat dissipation cooling mechanism; a cooling spray head is used for sprayingcooling water, so that the cooling water enters the stir-frying pipe through sieve holes of the stir-frying pipe, a smoke blowing motor in the smoke blowing mechanism drives fan blades to suck smokedust into a smoke blowing pipeline, the functions of heating stir-frying, cooling and smoke blowing are integrated, intermediate steps are reduced, the smoke blowing risk is reduced, and meanwhile thesmoke blowing efficiency is high.

The invention discloses an air inlet adjusting device for a range hood. The air inlet adjusting device comprises a device body, a fume collecting cavity and an oil cup, wherein an oil fume inlet is formed in the top of the fume collecting cavity, a movable fume baffle and an induction oil fume control module are arranged, the movable fume baffle is positioned in the fume collecting cavity below the oil fume inlet and can move freely left and right in the fume collecting cavity based on the using direction, downward orthographic projection of the oil fume inlet is always on the movable fume baffle, and the induction oil fume control module controls movement of the movable fume baffle. Therefore, the device can be introduced and used on European and thin range hoods, the induction oil fume control module can control left and right movement of the movable fume baffle, and controls left and right movement of the movable fume baffle according to the detected amount of oil fume at left and right burners, adjustment can be performed according to the actual situation of oil fume, the fume collecting effect of the range hood is improved, and fume suction efficiency is effectively improved.

The invention provides an oil net structure. The oil net structure comprises an upper-layer condensing plate and a lower-layer air net which form a wind net group, an air inlet end is arranged on thelower-layer air net, and the left side and the right side of the upper-layer condensing plate are each provided with an air outlet end; a gap is formed between the upper-layer air net and the lower-layer air net to form a flow channel for circulating air from the air inlet end to the air outlet ends; a blowing device is further arranged on the air net group, an air outlet of the air blowing deviceis located on the flow channel, blows air to the air outlet ends and increases the wind speed and the negative pressure of the flow channel, and the lower-layer air net can block heat radiation whileair is fed, so that the temperature of the upper-layer condensing plate is not high, and the condensation effect is improved. Meanwhile, the air blowing device is arranged on the air net group, so that air blowing on the left side and the right side of the flow channel greatly is conducted, and the flowing speed in the flow channel is increased; and meanwhile, oil smoke in the flow channel is taken away to form negative pressure, the air inlet speed of the air inlet end of the oil net is increased, and the smoking efficiency is improved.

The invention discloses a fan system. The fan system comprises two fans, and is characterized in that the two fans are a first three-dimensional fan and a second three-dimensional fan separately; thefirst three-dimensional fan comprises a first three-dimensional impeller and a first air inlet port; the second three-dimensional fan comprises a second three-dimensional impeller and a second air inlet port; in a lampblack flowing path, the second air inlet port is located in the downstream part of the first air inlet port; and the orientations of the first air inlet port and the second air inletport are the same. The invention further discloses a range hood using the fan system. The two three-dimensional fans are adopted, and each fan is compact in structure, relatively small in dimension,high in efficiency and air pressure, large in generated negative pressure gradient, and capable of greatly increasing lampblack absorption efficiency; and through the small-dimension three-dimensionalfans, the two three-dimensional fans still have small dimensions under a series combined manner, so that the existing dimensions of the range hood do not need to be changed, and installation is alsonot limited by the floor height of floors.

The invention provides a making method of smoked flavored fish. The making method comprises the following steps of taking fishes as a raw material, taking the flesh of the fishes and cutting the fleshof the fishes into slices, performing pickling with a smoking solution, performing low-temperature smoking, performing vacuum packaging, and performing curing and sterilization to obtain smoked flavored Spanish mackerel products. The national standard GB1886.127-2016 is used as a reference to screen the high-quality smoking solution, the natural smoking solution is adopted for liquid smoking, antioxidants such as bamboo leaf extract, curcumin, tea polyphenol and rosemary are added into the liquid smoking process, and the functions of removing fishy smell and keeping freshness are achieved. The liquid smoking process adopted by the invention can effectively avoid the generation of carcinogenic substances such as polycyclic aromatic hydrocarbon and heterocyclic amine in traditional smoked aquatic products. The smoked Spanish mackerel product obtained by the method effectively retains the flavor and taste of the traditional smoked Spanish mackerel, and the similarity is up to 90% or above. Besides, the method disclosed by the invention is simple in process and convenient to prepare, the damage to nutritional ingredients of the Spanish mackerel is small, the nutritional value of the Spanish mackerel is effectively reserved, the taste is delicious, the meat quality is fine and smooth and extremely traditional characteristics and high nutrition are achieved.

The smoking set assembly comprises a smoking set, a smoke cartridge and a cigarette holder, and a smoke cartridge mounting bin and a heating piece acting on the smoke cartridge mounting bin are arranged in the smoking set; the smoke cartridge is mounted in the smoke cartridge mounting bin in a replaceable manner; the cigarette holder is detachably mounted at an inlet of the smoke cartridge mounting bin; a cigarette holder storage bin for storing cigarette holders is further arranged in the smoking set, and a sterilization device acting on the cigarette holder storage bin is arranged in the smoking set. The cigarette holder storage bin is arranged in the smoking set, and in the non-use state, the cigarette holder is stored in the cigarette holder storage bin, so that the cigarette holder isprevented from being contaminated by dirt, and the use sanitation is improved. Due to the fact that the cigarette holder is a component which is repeatedly used and makes direct contact with the mouth of a user, bacteria on the surface of the cigarette holder can be inactivated by arranging the sterilization device acting on the cigarette holder storage bin, and cleanliness and sanitation of eachtime of use are guaranteed.

The invention relates to a near-inhaling type kitchen ventilator with an centralized exhaust inlet. The near-inhaling type kitchen ventilator consists of an axial flow fan case and is characterized in that a straight pipe is rotatably sleeved with an upright round pipe smoke exhausting hole of the axial flow fan case through a round pipe hole in the upper end of the straight pipe, the central axis of the straight pipe below the sleeving part forms an included angle with the perpendicular line and is sleeved with another smaller pipe, and the sleeved pipes can longitudinally slide, wherein the straight pipe below the sleeving part has a same shape as another cross section. Thus, an air pipe hole can move in all directions and can be conveniently regulated to an optimal smoke exhausting position to effectively exhaust the smoke. The near-inhaling type kitchen ventilator has the beneficial effects that the exhaust inlet is formed in a centralized manner and can reach the optimal smoke exhausting position, and the smoke exhausting efficiency is high.

The invention discloses a near suction type extractor hood. The near suction type extractor hood comprises a shell, a machine case located above the shell, and a draught fan system. An air inlet is formed in the front side of the shell. The near suction type extractor hood is characterized in that the draught fan system is a ternary draught fan, the ternary draught fan is vertically arranged in the machine case, and a noise lowering module for lowering noise generated by the ternary draught fan is arranged in the shell. Through adoption of the ternary draught fan, the draught fan structure iscompact, the size is relatively small, the draught fan efficiency and the wind pressure are high, the generated negative pressure gradient is high, and the fume suction efficiency can be greatly improved. The ternary draught fan is vertically arranged in the machine case, straight suction and straight discharging are achieved, the negative pressure area is centralized, the pipeline resistance canbe better reduced, fume discharging is smoother, and a noise source is farer away from a user; and through the arrangement of the noise lowering module, high-frequency, medium-frequency and low-frequency full-band noise can be absorbed, and influences on normal usage of the extractor hood are avoided.