754results about How to "Improve the smoke effect" patented technology

A low-density filler material for cigarettes from either a low-density tobacco composition or an extruded grain or starch composition. The low-density tobacco composition and a method of making the low-density tobacco composition by extruding a mixture of tobacco and flour or tobacco and starch under conditions whereby the solvent in the extruded mixture flashes into vapor upon release from the extrusion head. The low-density tobacco composition is formed without the aid of an added binder. The low-density flour or starch material and a method of making it by extruding flour or starch with a filler material such as calcium carbonate under conditions whereby the solvent in the extruded mixture flashes into vapor upon extrusion through the orifice die. The extruded composition can then be cut and used in place of cut tobacco filler.

The invention relates to a fragrance type heating nonflammable tobacco product. The fragrance type heating nonflammable tobacco product includes the following materials by weight: 1 to 6 parts of tobacco extract, 0.5 to 5 parts of tobacco flavor, 0.5 to 3 parts of taste and flavor conditioning agent, 0.5 to 6 parts of fragrance type liquor, 0.5 to 15 parts of fogging agent, and 75 to 95 parts of tobacco carrier. The invention also provides a preparation method of the tobacco product. According to the invention, the tobacco product is low in danger to a human body and an environment; the tobacco extract is added to improve the tobacco flavor concentration of the tobacco product at the low temperature, and meanwhile, smoke vigor and satisfaction can be improved; the fragrance type liquor is added to allow smoke to be fragrant, prominent, elegant and exquisite, and the liquor is rich and is long in aftertaste; the content of the fogging agent is improved, so that the amount of the smoke can be assured to the greatest extent when a consumer smokes at the low temperature, and the feel more similar to the feel of the traditional cigarettes is provided.

An electronic cigarette includes a battery rod, and is further comprises more than one batteries serially provided inside the battery rod. The electronic cigarette also comprises an atomizer connected to the battery rod, at one end of the atomizer provided a first connection part, while at one end of the battery rod, provided a second connection part; the first connection part and the second connection part are in threaded connection to each other. The smoke volume of the electronic cigarette in the present invention is large and the smoking mouth feel and the smoking effect is good.

The present invention describes the flat smoking pipe with advanced smoking effect. The invented smoking pipe offers the means for making a full draw of the low temperature smoke into the lungs using minimal suction effort.

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 provides a double-air-inlet range hood. The double-air-inlet range hood comprises a box body, an air deflector and a switch panel, wherein a smoke collection chamber is arranged on the inner side of the air deflector; an opening for communicating the smoke collection chamber with the outside is formed between the switch panel and the air deflector; a left air inlet and a right air inlet are formed in the base plate of the smoke collection chamber; a division board is arranged between the two air inlets; an air inlet seal plate is arranged on the back of the smoke collection chamber in a hinged mode; the air inlet seal plate is provided with a driving device for driving the air inlet seal plate to overturn; a group of smoke detection devices is arranged in each of the two areas, separated by the division board, of the smoke collection chamber, and the smoke collection chamber is further provided with a controller for controlling the driving device to adjust the overturning angle of the air inlet seal plate. The double-air-inlet range hood has the benefits that the left air inlet and the right air inlet are formed, inlet air of the left air inlet and inlet air of the right air inlet do not disturb with each other through the division board arranged in the middle, and the air inlet seal plate capable of overturning is arranged, so that the double-air-inlet range hood is simple in structure and reliable in action; the opening of the air inlets of the air inlet seal plate is automatically adjusted by detecting smoke concentration, so that the efficiency of the range hood is fully utilized, and the adaptability is good.

The invention relates to a ceiling-mounted range hood. The ceiling-mounted range hood comprises a machine body, a smoke collection cover, a fan and a rectifying plate, wherein the smoke collection cover is provided with an air inlet from bottom to top, the rectifying plate is right opposite to the air inlet and forms an air inlet passage which is used for the lampblack to pass through with the wall of an inner cavity of the smoke collection cover, the machine body is longitudinally arranged on the top of the smoke collection cover, the fan is arranged inside the machine body, and the ceiling-mounted range hood is characterized in that the rectifying plate is arranged in the air inlet of the smoke collection cover in an elevation manner. Compared with the prior art, the ceiling-mounted range hood has the advantages that through the elevation design of the rectifying plate, a concealing state, a working state and a washing state of the rectifying plate can be realized, and convenience in use can be realized.

A ventilating and internally-circulating slim extractor hood comprising a ventilation apparatus arranged within a fume extraction chamber. The ventilation apparatus comprises a housing, a shaded-pole motor, a carbon box, air ducts, a ventilation outlet, and a wind deflector. The ventilation outlet is arranged on a lateral wall of the housing. The air ducts respectively are arranged on both the left side and the right side of the housing. The ventilation outlet is in communication with the air ducts on both the left side and the right side. The wind deflector is arranged on the ventilation outlet. The shaded-pole motor is arranged respectively on the air ducts on both the left side and the right side of the housing. The shaded-pole motor has arranged on the lower end thereof the carbon box for removing fume odor. A fume inlet is arranged on the carbon box.

The invention relates to a sheet molding compound with high flame resistance, low smoke and non-toxic and a preparation method thereof. The formula of the sheet molding compound comprises the following substance in mass portion: 50-80 portions of unsaturated polyester resin, 15-60 portions of low shrink additive, 1-3 portions of evocating agent, 0.01-0.05 portions of polymerization inhibitor, 0.7-7 portions of wetting and dispersing agent, 3-8 potions of inner mold release agent, 1-2 potions of thickening agent, 20-50 potions of viscosity reduction filler, 100-200 portions of flame retardant A, 50-100 portions of flame retardant B and 50-250 portions of reinforced material; the flame retardant A is micron aluminum hydroxide and the grain diameter is 0.4-3.5 microns; the flame retardant B is nanometer aluminum hydroxide and the grain diameter is 30-80 nanometers. The sheet molding compound of the invention has the advantages of high flame resistance, low smoke and non-toxic, well mechanical performance and surface decorative effect.

The invention discloses an extractor hood which comprises a support, a fan cover assembly and a fan assembly. The fan cover assembly is rotationally arranged on the support, a cooking fume cavity is defined in the fan cover assembly and provided with gas flow inlets and a gas flow outlet, and the gas flow inlets penetrate the wall face of the fan cover assembly. The fan assembly is arranged in the cooking fume cavity and provided with air inlets and an air outlet, the air inlets communicate with the gas flow inlets, and the air outlet communicates with the gas flow outlet. When the fan cover assembly rotates, the fan assembly rotates along with the fan cover assembly. According to the extractor hood, the positions of the air inlets and the air outlet of the fan assembly can be flexibly adjusted, and therefore the air inlet direction and the air outlet direction of gas flow can be adjusted according to needs, the cooking fume suction effect of the extractor hood is improved, gas flow discharged from the gas flow outlet is effectively prevented from influencing dining areas or dining persons, and the comfort of the dinning persons is improved.

The invention provides a range hood with an auxiliary air inlet channel. An oil filtering plate is installed on the front face of a cooking fume collecting cover. Main air inlets are formed in the oil filtering plate, and the oil filtering plate of the range hood is obliquely arranged towards the rear lower side from top to bottom. Auxiliary air inlets are formed in at least one of an area adjacent to the upper side edge of the oil filtering plate and an area adjacent to the lower side edge of the oil filtering plate. The auxiliary air inlets are in a long bar shape and are transversely through. Due to the fact that the auxiliary air inlets of the range hood are continuous and uninterrupted air inlet channels, the defect that gate-hole-shaped main air inlets are interrupted and not continuous can be overcome, and the air inlet area can be enlarged and a cooking fume path can be changed through the auxiliary air inlets. In addition, the included angle alpha between the oil filtering plate and the horizontal plane is designed to be larger than or equal to 18 degrees and smaller than or equal to 30 degrees, and under the condition that negative-pressure covering angles are the same, the negative-pressure covering area of a cooking bench is larger; and furthermore, after the auxiliary air inlets are arranged, the phenomenon that negative pressure is weakened and cooking fume escapes due to the fact that the inclination angle of a cooking fume guide plate relative to the horizontal plane becomes smaller can be effectively avoided, and therefore the cooking fume absorbing effect is improved.

The invention provides a T-shaped range hood with multiple layers of oil fume separation meshes. The T-shaped range hood comprises a housing, an external oil fume separation mesh, a middle oil fume separation mesh, an internal oil fume separation mesh, an oil cup, a motor, a volute with a motor bracket, double worms, a smog sensor and other range hood assemblies, wherein the external oil fume separation mesh is of an inverted pyramid shape, the middle oil fume separation mesh is in a plane shape, the internal oil fume separation mesh is in an M shape, and the three oil fume separation meshes form a wrapping progressive space. In light of a principle of fluid dynamics, a huge negative pressure region is generated to collect oil smoke deeply, the resistance is reduced when the oil fume rises and the exhaust air quantity is increased; the smog sensor senses smog to automatically adjust the motor to rotate so as to adjust the suction of the range hood. The T-shaped range hood sucking and exhausting the oil fume has the functions of quickly sucking the oil smoke and automatically adjusting wind power, avoids the risk that the working performance of the range hood is affected as the oil fume is unsmooth to suck and exhaust when the oil fume in the raising process blocks the smoke meshes, and improves the performance of the T-shaped range hood in the oil fume suction and exhaust.

The invention relates to an extractor hood with an absorption assisting device and a method for pumping and absorbing oil fume. The extractor hood comprises an extractor hood main body and air supply devices arranged on the extractor hood main body, and is characterized by further comprising driving devices, detectors used for detecting the position of cookware, and a control device; each air supply device comprises a centrifugal fan, the exhaust port of the centrifugal fan is connected with an air duct, the air duct is provided with at least one air outlet, and the air outlet is downward or obliquely downward; the driving devices are connected with the air supply devices in a driving way and used for changing the direction of airflow output by the air supply devices; and the driving devices and the detectors are both connected with the control device. The air supply airflow of the extractor hood with an absorption assisting device directly blows into the cookware, and can propel the oil fume to gather to the exhaust opening of the extractor hood at the beginning of generation of the oil fume, thus thoroughly avoiding overflow of the oil fume in rising.

The invention discloses an intelligent building smoke exhaust system. The intelligent building smoke exhaust system comprises range hoods arranged on different floors, and further comprises a cloud platform capable of communicating with an outdoor main control device; each range hood comprises a fan and is provided with a Lora module; and the outdoor main control device capable of adjusting the target air volume of the range hoods is arranged at the top of a public flue and communicates with the Lora modules through signal receiving transmitters. The intelligent building smoke exhaust system has the advantages that the outdoor main control device of the smoke exhaust system can realize target air volume adjustment of the range hoods through mutual communication between the signal receivingtransmitters and the Lora modules, and in addition, the operation parameters and states of the system are checked online through the cloud platform. The invention further discloses a control method for the smoke exhaust system. According to the control method for the smoke exhaust system, the multi-gear adjustment change of the range hood of each floor can be realized, in addition, each floor hasa good oil smoke suction effect at a low start-up rate, meanwhile, the noise of a kitchen is low, when the start-up rate is high, the oil smoke suction effect is relatively good, and the noise of thekitchen is not high.

The invention relates to a halogen free flame retardant liquid and a method for preparing a flame retardant sponge using the same. The halogen free flame retardant liquid has the flame retardant effect up to a UL V-0 grade, durable flame retardant effect and no smoke toxicity and comprises 100 parts of water based adhesive, 0.5-5 parts of curing agent, 0.1-5 parts of anti-settling agent, 0-2 parts of color fixing agent, 0-100 parts of colorant, 100-300 parts of environment-friendly flame retardant, 100-400 parts of inorganic flame retardant and 1200-1800 parts of water, wherein the anti-settling gent is at least one of organic modified bentonite, fumed silica, polyethylenewax, polyamide wax or titanate coupling agent, and the environment-friendly flame retardant is at least one of phosphorus flame retardant or phosphorus and nitrogen flame retardant. The method for preparing the flame retardant sponge comprises the step of immersing an open-cell sponge in the above halogen free flame retardant liquid and drying to obtain the product. The halogen free flame retardant liquid can be obtained through a conventional mixing process, and the method for preparing the flame retardant sponge is simple, can be in continuous production, improve production efficiency and lower cost.

The invention relates to a heat non-burning cigarette body and a manufacturing method thereof, and belongs to the field of heat non-burning cigarettes. The heat non-burning cigarette body comprises anauxiliary unit and a smoke production unit, wherein the auxiliary unit comprises a filter section, a cooling section and a hollow section; one end of the hollow section is connected with the smoke production unit, and the other end of the hollow section is connected with the cooling section; the cooling section is connected with the filter section; the smoke production unit is of a compact hollowtubular structure; the inner diameter of the hollow is 1 to 8 mm; the outer diameter of the column is 5 to 10 mm; the length is 10 to 60 mm. According to the heat non-burning cigarette body and the manufacturing method thereof, a paste smoke production material is made into the compact hollow tubular structure to further enhance the heat transfer and smoke production effect of the smoke production material and increase the suction number and the smoke concentration; furthermore, compared with a smoke production unit such as cut tobaccos and a sheet, the smoke production unit of the heat non-burning cigarette body cannot be covered by cigarette paper, so that a layer of cigarette paper is reduced, and the heat transfer effect between a heating tube and a smoke production material can be further enhanced.

The invention discloses an extractor hood. The extractor hood comprises a exhaust fume collecting hood and a box body arranged above the exhaust fume collecting hood; and the extractor hood is characterized in that air inlets are correspondingly formed at the bottom of the exhaust fume collecting hood and at the part, located at the front side of the exhaust fume collecting hood, of the bottom ofthe box body are correspondingly provided with, and each air inlet is provided with a smoke barrier capable of opening or closing the corresponding air inlet. The invention further discloses a controlmethod of the above extractor hood. Compared with the prior art, the extractor hood has the advantages that through the arrangement of the multiple air inlets, the advantages of the low-suction, side-suction and top-suction extractor hood can be fully utilized, and a good oil fume suction effect is achieved under the cooking states of a small amount of oil fume and large amount of oil fume; and the cooking state of a kitchen is judged through the detection of a temperature sensor and an oil-fume sensor, so that the opening and closing of the smoke barrier at the air inlets are automatically controlled, opening and closing of the corresponding air inlets are realized under different cooking states, negative pressure zones and the effective air volume of each air inlet are guaranteed, andthe oil fume suction effect is enhanced.

The invention discloses a shell assembly of a range hood and the range hood. The range hood comprises a shell, a partition and a fan assembly, wherein an opening is formed in the front side of the shell; the partition is arranged in the shell, and divides the inside of the shell into a front side cavity and a rear side cavity which are arrayed in the front-to-back direction; a main air inlet is formed in the partition; at least one of the partition and the shell defines an auxiliary air inlet; the auxiliary air inlet is close to the edge of the partition; the air feeding end opening of the fan assembly is formed at the main air inlet and is communicated with the front side cavity; an auxiliary air opening is formed in the fan assembly; the main air inlet and the air feeding end opening define a main air duct; the auxiliary air opening and the auxiliary air inlet define an auxiliary air duct. According to the range hood disclosed by the invention, the shell assembly and the fan assembly are used for defining the main air duct and the auxiliary air duct, so that the lampblack catching capacity of the range hood can be improved, the air feeding efficiency is improved, and the air volume and the air pressure are increased; therefore, the lampblack absorption effect of the range hood can be enhanced.

The invention belongs to the machinery technical field and discloses an electric stove metal balk cargo vibration material delivering and airflow dynamic packing device. The vibration feed tank of theinvention is arranged in an inclined way, a smoke exhaust feeding seal cover is covered above the vibration feed tank, and the two keep side gap; the vibration feed tank, the smoke exhaust feeding seal cover and a notch closing plate form a circle at the lower end part and are inserted into a metal material roller preheating groove to be sheathed each other in clearance fit. The device can realize continuous feeding of waste electric stove steel or metal material and preheating on materials by utilizing waste high temperature smoke, is energy-saving and environmentally friendly, reduces production cost of electric stove metallurgy and is a new energy-saving and environmentally friendly technology with promotional value on electric stove.

The invention discloses a range hood suction state control method and a range hood. The method comprises the steps that state information of cooking fume generated by the range hood is obtained; a control command of the range hood is determined according to the state information; and the suction state of the range hood is controlled according to the control command. According to the range hood suction state control method and the range hood, the technical problem that the cooking fume sucking effect is not good due to the fact that an existing range hood cannot adjusting the suction state according to the concentration and distribution condition of cooking fume is solved.

The invention discloses a double-worktable-exchange device of a laser cutting machine, and belongs to the technical field of laser cutting machines. The double-worktable-exchange device comprises a first worktable and a second worktable, wherein the first worktable and the second worktable are arranged on a worktable rail of a lathe bed, and position exchange of the two worktables is achieved through driving of a chain transmission mechanism. The worktable guide rail is divided into a lifting worktable outer guide rail with the middle high and the two ends low, a lifting worktable inner guide rail with the middle high and the two ends low, and a linear horizontal movement worktable guide rail, wherein transition of each middle high section and the corresponding low sections at the two ends is achieved through inclined sections. Two front side wheels at one end of the second worktable are arranged on the lifting worktable outer guide rail, and two rear side wheels at the other end of the second worktable are arranged on the lifting worktable inner guide rail. The first worktable is arranged on the horizontal movement worktable guide rail. The device does not need to be provided with a lifting mechanism, exchange between the two worktables can be completed by only reasonably designing the guide rails where the worktables operate, the structure is greatly simplified, the manufacture cost is reduced, and the double-worktable-exchange device has the beneficial effects of being convenient to operate and easy to maintain.

The invention relates to a cooking control method, a storage medium, a cooking control device and a cooking system. The method comprises the steps of acquiring a menu corresponding to a dish to be cooked, a fire power curve corresponding to the menu and a cooking method, determining multiple cooking time nodes and the fire power value corresponding to each cooking time node according to the fire power curve, controlling the gas output volume of a gas stove according to the fire power value corresponding to each cooking time node in the fire power curve when the gas stove is started to cook thedish according to the menu, and controlling the operating power of a range hood according to the cooking method and the fire power value corresponding to each cooking time node so as to complete cooking of the cooked dish. Through the method, a user does not need to manually adjust the fire power and the operating power or suction force of the range hood when cooking the dish according to the menu corresponding to the dish to be cooked, the cooking barrier for the user is reduced, cooking is more convenient, and the energy-saving and good fume extraction effects are achieved.

The invention discloses a double-air intake extractor hood and a control method thereof. The double-air intake extractor hood comprises a fan cover, a smoke collection hood and a centrifugal fan. Theleft and right sides of the centrifugal fan respectively form a left air inlet channel and a right air inlet channel. The bottom of the smoke collection hood is provided with a left air inlet and a right air inlet. The middle of the smoke collection hood is provided with a movable partition plate capable of deflecting left and right. In a non-deflecting state of the movable partition plate, the left air inlet channel and the right air inlet channel are isolated. In a left deflecting state of the movable partition plate at the largest angle, the left air inlet channel and the right air inlet channel are isolated from the left air inlet. In a right deflecting state of the movable partition plate at the largest angle, the left air inlet channel and the right air inlet channel are isolated from the right air inlet. The movable partition plate capable of deflecting left and right is arranged at the middle of the smoke collection hood and can carry out corresponding deflecting adjustment according to the amounts of smoke in left and right sides so that negative pressure suction forces in left and right sides can be intelligently controlled and the oil smoke suction effects are improved effectively.

The invention discloses a cooking fume exhaust method for an energy-saving stove. A fire hole cooking fume cover, a pot cooking fume cover and a dish cooking fume cover are arranged over the stove, and the pot cooking fume cover is arranged on one side of an operator for the fire hole cooking fume cover. An induction actuator, an exhaust fan and a plurality of pot position sensors are arranged, wherein the exhaust fan and the pot position sensors are electrically connected with the induction actuator, when the stove is used, the pot position sensors detect pot positions and transmit signals to the induction actuator, and the induction actuator turns on the exhaust fan and a corresponding suction opening and turns down other suction openings. The suction openings of the cooking fume cover and an exhaust channel track cooking fume generation sources in real time and prevent cooking fume from overflowing, the exhaust cooking fume is recycled as fuel, the energy sources are greatly saved, the energy source consumption is remarkably reduced, and meanwhile the cooking fume purification rate is obviously increased. According to the method, a pot can be recognized and tracked in a pertinence manner, multi-position tracking can be achieved with the small-power exhaust fan, cooking oil is effectively exhausted in an orientation manner, a better cooking fume exhausting effect is guaranteed, the energy consumption is greatly reduced, and the energy sources are saved.

The invention discloses a sealing means for a heating non-combustion product. The means comprises the following steps that a sealing material is selected, specifically, an appropriate sealing materialis selected to seal an opening according to the shape of a heating mold for a heating non-combustion smoking set, the far lip end seal or the two end seals of a heating non-combustion smoke emittingunit to form a smoke emitting unit through utilizing the sealing material, and the seals are treated by adopting a glue applying or calendaring technique. The means can prevent a filler in the smoke emitting unit from escaping out, heating fins can be conveniently cleaned, the ventilation efficiency of the smoke emitting unit can be increased, and the smoke emitting effect can be improved.

The invention discloses a range hood which comprises a box body structure and a fan frame used for arranging a fan system, wherein the box body structure is arranged below the fan frame, the box body structure comprises a lower box body, and a first air inlet and a second air inlet which are arranged in a left-right spaced mode are formed in the lower box body; a first cavity and a second cavity which are independent and serve as air inlet cavities are formed in the lower box body; the range hood further comprises a first filter screen and a second filter screen which extend longitudinally, the first filter screen corresponds to the first cavity, and the second filter screen corresponds to the second cavity. The range hood further comprises a first movable cover connected with the first filter screen and a second movable cover connected with the second filter screen, the first movable cover can ascend and descend relative to the first filter screen at the joint of the first movable cover and the first filter screen, and therefore, the area of a ventilation area, below the joint of the first filter screen and the first movable cover, of the first filter screen is adjusted. The second movable cover can lift relative to the second filter screen at the joint of the second movable cover and the second filter screen, so that the area of the ventilation area below the joint of the second filter screen and the second movable cover is adjusted.

The invention relates to a heating non-burning cigarette, and provides a heating non-burning cigarette convenient for the exit of a cigarette rod. The heating non-burning cigarette includes a cigarette set and the cigarette rod; a shell body, a cigarette rod cavity body, a suction nozzle assembly and a cigarette rod exit device are arranged on the cigarette set, the cigarette rod cavity and the cigarette rod are fitted, a heating cavity is formed in the cigarette rod cavity body, and the heating cavity is arranged at the lower course of the cigarette rod cavity body and communicated with the suction nozzle assembly; a heating assembly is arranged on the heating cavity, and the cigarette rod cavity is connected with the cigarette rod exit device; when the cigarette is used, the cigarette rod is inserted into the cigarette rod cavity totally, and after heating, smoke is sucked up by a smoker through the suction nozzle assembly; when the cigarette rod is replaced, the cigarette rod inserted in the cigarette rod cavity body is removed by the cigarette rod exit device, so that the cigarette rod is exposed outside. The heating non-burning cigarette rod can be easily removed, the problemsthat the fragile and easy-to-break phenomena are encountered when taking out the discarded cigarette rods after the cigarettes are smoked in the existing non-burning cigarette sets are solved, and the difficulty of removing the whole cigarette rod is overcome.

The invention provides a downdraft range hood integrated with an induction cooker. The downdraft range hood comprises an induction cooker part, a tabletop air inlet part, a smoke collecting and filtering part and a suction smoke pipe part, the induction cooker part comprises a tabletop-type shell and the induction cooker, wherein the tabletop-type shell is provided with a mounting opening, the tabletop air inlet part comprises a tabletop air inlet grid seat and a tabletop air inlet grid, the smoke collecting and filtering part comprises an air collecting box, a water collecting tank, an oil filter screen, a carbon box and an air outlet, and the suction smoke pipe part comprises a connecting smoke pipe, a fan and a public flue connecting pipe. Due to the fact that the induction cooker and the range hood are integrated together and are arranged in a kitchen cabinet, and the range hood is in a downdraft mode and is used for sucking oil smoke through the mounting opening of the induction cooker part, so that the smoke suction effect is good, the occupied kitchen space is saved, the collision risk is avoided, and the kitchen space is greatly optimized and beautified; and non-renewable energy sources such as natural gas can be replaced by electric energy which belongs to renewable energy sources, so that energy conservation is realized.

The invention provides a multi-functional integrated cooker. The multi-functional integrated cooker comprises a cooking bench, a stove plate, an energy gathering water heater, a cooker hood, and an air fume hood; the energy gathering water heater comprises an energy gathering device core, a water tank hood and a preheater; the cooker hood comprises a fan, a fume exhaust hood, a fume hood seat and a fume hood support; and the stove plate is a premixing stove plate. The problems that heat of the cooker is lost seriously, the fume exhaust range of the cooker hood is narrow and gas cannot be combusted fully are solved. Compared with the prior art, the multi-functional integrated cooker has the advantages that: residual heat of a cooker hearth and residual heat carried by fume are fully utilized for heating water by the energy gathering water heater; the cooker hood can realize 360-degree annular fume exhausting; the power requirement on the fan is low, and the obvious effect of exhausting fume is achieved; the cooker hood can exhaust fume and air fume obtained after gas is combusted; and gas and air can be fully mixed in the premixing stove plate, and the utilization rate of energy resources can be improved.

The invention relates to a flame-retardant spray polyurea elastomer coating and a preparation method thereof. The coating consists of a component A and a component B. The component A comprises the following raw materials in percentage by weight: 40 percent to 60 percent of polyether polyol and 40 percent to 60 percent of polyisocyanates. The component B comprises the following raw materials in percentage by weight: 35 percent to 55 percent of amino terminated polyether, 20 percent to 35 percent of amino terminated chain extender, 20 percent to 40 percent of composite flame retardant and 0.05 percent to 0.1 percent of catalyst. The composite flame retardant comprises the following components in percentage by weight: 29 percent to 58 percent of tetrabromophthlate diol PHT4-DIOL, 6 percent to 12 percent of Tris (2-clorisopropyl) phosphate TCPP, 20 percent to 40 percent of chlorinated paraffin and 10 percent to 25 percent of antimony trioxide. On the basis of keeping good physical properties of materials, the flame retardant property of the coating is further improved. The flame-retardant spray polyurea elastomer coating can be applied to the concrete or steel surfaces of various buildings.