62results about How to "Strong firepower" patented technology

This invention provides a sort of complex heating unit having the function of infrared radiation of the burner that it is characterized in that simple technique, high standardization degree, no weathering, no breach, and blaze combustion stably and no backfire phenomenon happened in the gas stove. This complex heating unit consists ofthe double-tier material or the several double-tier material, There is the honeycomb body which can forbear the high temperature and the cauterization in the substrate, there is the wire reticulated body or the fibrin body which can forbear the high temperature and the cauterization in the super stratum. The wire reticulated body of the super stratum in this invention can stabilize the flow and prevent this phenomenon in that backfire. The wire reticulated body of the super stratum resists the wind greatly, burn much more steadily and its firepower is stronger, also this invention can obtain holistic slippage with the fitting surface contacts hermetically with the air drain of the burner, and can be use with no jointing.

The invention relates to an environment-friendly biomass composite fuel prepared from sludge garbage and a preparation method of the environment-friendly biomass composite fuel. The environment-friendly biomass composite fuel is prepared from a biomass raw material, sludge garbage, fire coal, a combustion improver, a catalyst, a desulfuration nitrogen fixing agent, a stabilizer and a dust and harm removal agent. The environment-friendly biomass composite fuel prepared from the sludge garbage has the advantages of quick ignition, strong combustion fire, long combustion resistance, full combustion, high temperature, less dust and the like; meanwhile, under the action of prepared reagents, discharge of toxic and harmful substances is effectively eliminated, and the environmental pollution is avoided; furthermore, combustion is stable and heat is uniformly distributed, so as to prevent slagging of a boiler, prolong the service life of the boiler and reduce the operation cost; particularly in a preparation process, by the combination of the component proportion of the raw materials and a preparation technology which are preferred according to an actual working condition of the boiler, the combustion performance condition can be adjusted, the boiler can realize full-load efficient operation, and the heat efficiency of the boiler and the fuel heat use efficiency are improved; the environment-friendly biomass composite fuel is applicable to being used in a civil boiler and an industrial boiler.

A water saving and energy saving low noise oil gas dual purpose blast hearth, wherein the burner is composed of an inner and an outer fire vessels, the top nozzle of the wind pipe is screwed on the bottom pot of the outer fire vessel, the bottom nozzle of the wind pipe is screwed with a pipe plug, the center of which is provided with a tubing head base, the central hole of the tubing head base is communicated with a fuel gas assistant burning supply pipe, the center of the inner fire vessel if provided with a tubing head cap seat, the center of which is provided with an air outlet. The center of the wind pipe is equipped with a sleeve, the upper end of which is screwed with the tubing head cap seat, while the lower end is in gap matched with the tubing head cap seat. The central nozzle of the wind pipe is connected with a fan, a heat insulating mattress is arranged between the flange on the inner fire vessel upper part and the circular flange of the outer fire vessel upper part, the side walls of the inner and the outer fire vessels are opened with screws, and the air inlet pipe traversely passes through the interlining chamber between the inner and the outer fire vessels to screw with the bolt hole. The invention is provided with conflagration and nagaaki fire, which controls the conflagration by the foot valve to save fuel gas; and provided hot water using the remaining heat, meanwhile reduces the temperature of the hearth, saves water with small fan and low noise.

The invention discloses an anti-dud automatic pistol. The anti-dud automatic pistol comprises a pistol body component, a pistol bottom handle component, a pistol barrel component, a cartridge magazine component, a return spring, an empty hang-on handle, a left protective plate and a right protective plate, wherein a primary set of firing pin and shell-pulling hook and a secondary set of firing pin and shell-pulling hook are arranged on the pistol body component and opposite to a primary pistol barrel and a secondary pistol barrel of the pistol barrel component respectively; the pistol bottom handle component comprises a pistol bottom handle, a trigger part, a barrier iron part, a driving hammer part and a safety part; the pistol barrel component comprises a pistol barrel seat, a primary pistol barrel, a secondary pistol barrel and a cartridge barrier hook; the secondary pistol barrel is positioned above the primary pistol barrel; the primary pistol barrel and the secondary pistol barrel have the same structure and shape; the cartridge magazine component comprises a cartridge magazine body, a cartridge support plate, a support spring, a cartridge magazine cap buckle and a cartridge magazine cap; the pistol barrel component comprises the primary pistol barrel and the secondary pistol barrel; a pistol barrel sleeve comprises a primary pistol barrel sleeve and a secondary pistol barrel sleeve; the pistol barrel sleeve is connected with the pistol barrel seat; and two firing pin holes are formed in the pistol body component and accommodate the secondary firing pin and the firing pin from top to bottom respectively. The structure of the secondary pistol barrel sleeve of the secondary pistol barrel is that the secondary firing pin is positioned in a right hole of the secondary pistol barrel sleeve, a hole is formed in one side of the secondary firing pin, and a secondary firing pin spring and a secondary firing pin spring guiding rod are positioned in the hole.

The invention discloses an energy-saving type gas burner which comprises a rotary impeller. The rotary impeller comprises a gas head and a plurality of rotary blades extending from the bottom end of the side wall of the gas head to the top end of the side wall of the gas head. The side wall of the gas head is further provided with a plurality of gas circulation through holes. By adoption of the energy-saving type gas burner and a gas stove, the flowability of air is enhanced through the function of the spiral rotary blades, so that a diffused cyclone is formed, gas is fully combusted, surging jetting is triggered when heating power rises, fire is strong, force is large, and therefore the combustion efficiency of the stove is exerted to the fullest, gas waste is reduced, the discharge amount of carbon is decreased, energy is saved while air pollution is avoided, and energy efficiency is improved.

The invention discloses a clean alcohol-based fuel for an industrial furnace, and the composition formula is as follows: 30-80% of methanol, 18-65% of esterified vegetable oil, 0.5-3% of oxygen increasing agent, 0.5-2% of calorific value increasing agent, 0.1-0.5% of smoke-eliminating and energy-saving agent and 0.01-0.05% of metal corrosion inhibitor, wherein the esterified vegetable oil is prepared by taking vegetable oil residue as raw material, extracting acid oil therein, carrying out rapid hydrolysis on the acid oil at normal pressure for preparing mixed fatty acids, and sequentially carrying out esterification, distillation and re-esterification. The alcohol-based fuel for the industrial furnace not only has the advantages of rapid ignition, strong fire power and high calorific value, but also has the advantages of complete combustion, no smoke and no toxicity during the combustion, simple preparation process, safe operation, low production cost and the like, thereby solving the problems of waste of resources and environmental pollution caused by the dependence on petroleum resources of the fuel for the industrial furnace, the vegetable oil residue and other wastes and having significant market and economic benefits.

The invention aims at providing a simplified small elevator and a cooking stove using the simplified small elevator advantaged by making a carrying surface move up and down via simple and easy operation. The elevator is provided with a pair of lifting mechanisms respectively at the lower part of left and right two ends of the carrying surface, each lifting mechanism is provided with: a base part, a lifting body capable of being telescopic to be a telescope shape, comprising more than two tabling bodies, and with an upper end part fixed on the carrying surface, and a lower end part fixed on the base part; a supporting body capable of extension in a lifting direction, and with an upper end part rotatably connected at the upper end part of the tabling body; an operating rod with a base end part rotatably connected at the lower end part of the supporting body, and used for up-down movement of the supporting body; a fulcrum of the operating rod; and an elastic supporting body connecting the upper end part of the lifting body and the lower end part of the base part. Via up-down movement of the operating rod, the carrying surface is made to move up and down.

The invention discloses a novel composite solid fuel and a preparation method thereof. The novel composite solid fuel disclosed by the invention is composed of the following components in parts by weight: 3-5 parts of a stearic acid, 1-3 parts of glycerine, 20-30 parts of hexamethylene tetramine, 30-50 parts of ethanol, 20-30 parts of triethyl citrate, 10-20 parts of polyethylene glycol 400, 1-3 parts of potassium hydroxide, 1-3 parts of alum, 3-6 parts of paraffin wax, 6-8 parts of span-60, 2-10 parts of nitrocellulose, 4-8 parts of a composite additive, and 30-50 parts of water. The fuel disclosed by the invention is prepared by compounding various calorific-value components, and through the synergistic effect of the various calorific-value components, a defect that the calorific value of a single calorific-value component is too large or too small can be overcome, thereby obtaining a better application effect.

The invention relates to the technical field of gas stove equipment, in particular to a combustor for a gas stove. The combustor comprises a combustor body. The combustor body comprises a fire cover seat and further comprises an outer ring fire cover arranged on the fire cover seat. The outer ring fire cover comprises a protruding cover ring and an inverted-L-shaped ring seat arranged on the bottom face of the protruding cover ring. The periphery of the surface of the protruding cover ring is chamfered to form a chamfered ring face, and a cone-frustum-shaped slot is formed in the middle portion of the protruding cover ring. A combustion cavity is formed between the protruding cover ring and the inverted-L-shaped ring seat. An inclined fire hole is formed in the chambered ring face. A vertical flame injecting hole is formed in the protruding cover ring. The vertical flame injecting hole communicates with the inclined fire hole. A three-dimensional air supplementing hole is formed in the right side end of the protruding cover ring. According to the combustor for the gas stove, the flame injecting hole and the three-dimensional air supplementing hole are additionally formed in the combustor body so that the combustor for the gas stove can have the beneficial effects that fuel gas can be used to be mixed with air more sufficiently, the fire power is high, when impurities exist in the fire hole, the impurities can be discharged directly and cannot block the fire hole, and normal use of the stove is ensured.

The invention discloses an alcohol-based fuel fan-free gasification furnace core. The alcohol-based fuel fan-free gasification furnace core consists of a fuel supplying device, a fuel gasifying device and a combustion device, and is characterized in that the fuel supplying device is used for supplying fuels by controlling a fuel oil pipe through a fuel switch; the fuel oil pipe is divided into a preheating oil pipe and a pressurization oil pipe which are provided with a switch respectively; the preheating oil pipe is communicated with a third gasification chamber oil tray; the pressurization oil pipe is communicated with one end of a first gasification chamber; and the fuel gasifying device consists of a hollow circular ring tubular first gasification chamber, a hollow tubular second gasification chamber and a hollow oil tray third gasification chamber. By the alcohol-based fuel fan-free gasification furnace core, the defect that a fan is required by the conventional alcohol-based fuel furnace is overcome; and the alcohol-based fuel fan-free gasification furnace core is not required to be provided with fans, is energy-saving and environment-friendly, makes the fuels gasified uniformly and combusted completely and has a simple and reasonable structure.

The invention discloses civilian clean coke which comprises the following main quality indexes: the heating amount is more than or equal to 5,700 kcal / kg, the ash content is less than or equal to 23 percent, the content of volatile components is less than or equal to 5 percent, the ash fusion point is more than or equal to 1,280 DEG C, the crushing strength is more than or equal to 75 percent, the sulfur fixation rate is more than or equal to 95 percent, the ignition temperature is less than or equal to 420 DEG C, the reactivity is higher than or equal to 40 percent, and the specific surface is 15 to 35 m<2> / g. The civilian clean coke has the advantages of ignitability, long flame, high heating speed, long combustion duration and good desulfuration effect.

The invention discloses a coal and wood dual purpose furnace for cooking and warming. The dual purpose furnace comprises a furnace body, a charging device, a fire grate, a furnace door and a cooking range, wherein the furnace body is provided with a fuel chamber and a combustion chamber, the fuel chamber is communicated with the combustion chamber, the fuel chamber is arranged above one side of the combustion chamber, the cooking range is arranged above the other side of the combustion chamber, the charging device is arranged on the furnace body and at the top of the fuel chamber, the fire grate is arranged in the combustion chamber, the lower part of the bottom of the fuel chamber is provided with a primary tuyere, and the upside of the fire grate is provided with a secondary tuyere. Thefuel chamber is arranged above one side of the combustion chamber and the cooking range is arranged above the other side of the combustion chamber so that the combustion chamber can not only heat thecooking range, but also perform dry distillation to the fuel in the fuel chamber, the volatile generated by the dry distillation of the fuel in the fuel chamber is mixed with the secondary air to burnin the combustion chamber while the fuel becomes loose after the dry distillation and carbonization so that the fuel is easy to drop into the combustion chamber to burn, the ash is discharged from the fire grate, and the combustion is extremely sufficient without black smoke.

The invention discloses a clean fuel, which is characterized by the following: choosing rice bran oil, dephenolizing oil, coal group diesel, oil naphthenic acid, low carbon alcohol, metallic corrosion inhibitor and anti-oxidant; blending high-melting point vegetable oil and coal chemical, oil chemical fuel; reducing the oil dependency of industrial furnace and domestic oven sharply; enlarging application area of high-melting point vegetable oil; diminishing contaminant in burning discharging matter. This invention possesses simple craft, which can make the producing cost lower than about 25% of diesel and earth oil.

The invention discloses a stove combustor which comprises a combustor inner ring. The combustor inner ring comprises a combustor body and a first gas pipeline and a second gas pipeline. A first gas cavity and a second gas cavity independent to each other are arranged in the combustor body, the first gas pipeline is connected to the combustor body and communicates to the first gas cavity, and the second gas pipeline is connected to the combustor body and communicates to the second gas cavity. Each gas cavity communicates to one gas pipeline for heating a flame of the inner ring of the stove combustor. The fire power of the inner ring can be adjusted to be two folds of that of a burner cap of a conventional inner ring, so that the proportion of the maximum load and the minimum load of the inner ring of the combustor is expanded. By arranging the two independent gas channels, different loads are combined to meet a wider application scene. The gas cavities are integrally formed, so that the stove combustor is concise in appearance and convenient to clean by a user. By arranging the two independent gas channels, more reliable ignition and fire retention can be achieved.

The invention discloses a strip-shaped stove combustor. The strip-shaped stove combustor comprises a bottom cup with a top opening, a fire distributor and a combustor cap; the bottom cup comprises anair inlet channel, a flange, an ignition needle seat, a thermocouple seat and a spraying nozzle; an air inlet connector is arranged at an air inlet end of the air inlet channel; an air outlet end of the air inlet channel is positioned in the centre of the bottom plate of the bottom cup; the fire distributor comprises a combustion chamber with an upper opening, an injection pipe which communicateswith the combustion chamber and a bracket which is positioned on a lower surface; a combustion groove is formed in the wall of the combustion chamber; the bottom cup, the fire distributor and the combustor cap have length and width and are strip-shaped; an annular groove is formed in the lower surface of the combustor cap; flow division bumps are formed in the bottom plate of the combustion chamber; the flow division bumps extend to the two sides of the length direction by taking the centre in the length direction of the combustion chamber as a starting point; gaps between the flow division bumps and the combustor cap are increased gradually; the upper end of the combustion chamber extends into the annular groove. Gas in the combustion chamber is distributed uniformly and can combust normally; moreover, the combustion area is large; and the fire is strong.

The invention pertains to a fuel, in particular relates to a forming agent of an environment-friendly high-heat coal for civil use and a preparation method thereof. The preparation method of starch forming agent of the civil use coal is as follows: a. the prescription of the forming agent according to weight proportion is as follows: 2.4-7 percent of starch, 93-97.6 percent of water, 14-33 percent of caustic soda water NaOH, 67-86 percent of water, b. the preparation method is as follows: the 2.4-7 percent of starch and the 93-97.6 percent of water are mixed together and stirred evenly, then is added with the 14-33 percent of caustic soda water NaOH and the 67-86 percent of water and stirred evenly to become a pasty matter that is the coal forming agent. The starch used for making the forming agent can be wheat starch, potato starch, broomcorn starch, corn starch. The forming agent of civil use coal is added into coals of different properties as cohesive forming agent according to a ratio of 10 percent-30 percent. Therefore, since being added with a small amount of the forming agent containing combustible starch, the coal has the advantages of burning completely, strong firepower, high heat generating value, no furnace ash and slag produced, little environment pollution, light and easy to convey and low cost.

To provide a rice cooker whose rice cooking performance is improved by heating further steam heated by the outside of a heating plate before thrown into a pot in the inside of the heating plate. The rice cooker brings steam heated by the heating plate 38 covering the pot 34, a steam route 45 as the passage of steam from a boiler 42 to generate steam to a steam inlet 47 releasing the steam into the pot 34, and both sides of a steam heating surface 53 on the outside of the heating plate 38 and the inside thereof into contact with rice. (C)2005,JPO&NCIPI.

This invention is a sloping standing automatic garbage-burning furnace of multi-grate mode. The furnace consists of furnace body, hearth, grates installed in hearth, inlet of garbage and outlet of ash. Its characteristic is the sloping setting of hearth and grate installed in hearth, the angle with horizontal plane is 5deg<alpha<50deg, the best value is 10deg<alpha<30deg. There are three tiers or more tiers of sloping standing grates in sloping standing hearth; there is an inlet at the up end of sloping standing hearth; there is an outlet of lime-ash at low end of the hearth; there is an inlet of air at low end of the hearth. This invention has advantages of low operation cost, completeness of garbage burning, no secondary pollution.

The invention relates to the technical field of gas stove equipment, in particular to a gas stove combustor with dual stereoscopic gas introduction holes. The gas stove combustor with the dual stereoscopic gas introduction holes comprises a combustor body, and the combustor body comprises an outer ring flame cover and an inner ring flame cover. An annular slot is formed in the middle of the outer ring flame cover. A first annular fuel gas channel cavity is formed in the bottom of the outer ring flame cover in the external circumference direction of the outer ring flame cover. The upper portion of the first annular fuel gas channel cavity is chamfered, so that a chamfered ring plane is formed. The left side and the right side of the chamfered ring plane are correspondingly provided with outer ring flame cover fuel gas holes. An outer ring annular gas channel is formed in the bottom of the outer ring flame cover and the inner side of the first annular fuel gas channel cavity, and the bottom of the annular gas channel is in an open shape. By forming the stereoscopic gas supplement holes in the outer ring flame cover and the inner ring flame cover of the combustor correspondingly, the contact area of fuel gas in a combustion chamber of the combustor and air is larger, and combustion is more sufficient. The gas stove combustor has the advantages that fuel gas and air are mixed more sufficiently, fire power is high, and normal application of a stove is ensured.

The invention provides an energy-saving wok, belongs to cookers used in kitchens, and particularly relates to energy-saving cookers used in kitchens. The energy-saving wok comprises a handle, a discharging port, an arc-shaped outer pot, an arc-shaped inner pot and an arc-shaped heat preservation layer, wherein the handle and the discharging port are formed by high-temperature resistance plastics in a die-cast mode according to the shapes designed in attached drawings; the arc-shaped outer pot and the arc-shaped inner pot are made of one of iron, aluminum and stainless steel; the arc-shaped heat preservation layer is formed by light refractory materials in a die-cast mode, and a set of air holes is formed in the middle of the arc-shaped heat preservation layer. The energy-saving wok has the advantages of being obvious in energy-saving effect, enabling heat power inside the energy-saving wok to be increased obviously, being suitable for families and more suitable for school canteens, army canteens, enterprise canteens, restaurants and hotels, and saving a great deal of energy for the country every year.

The invention has a stove body, in the cavity of which are set three ventilating pipes. On the side of the stove body are opened secondary and primary air intakes. In the stove body there is a core, on top of which are opened three rows of staggering air vents with a 4 mm diameter each and at the bottom of which is mounted a grid. A ring secondary air chamber is disposed between the stove body and the core. In the upper part of the stove body are disposed a combustion chamber and a fire shield ring and the lower part of the stove body is a ash bunker.

The invention discloses a novel composite solid fuel and a preparation method thereof. The novel composite solid fuel disclosed by the invention is composed of the following components in parts by weight: 3-5 parts of a stearic acid, 1-3 parts of glycerine, 20-30 parts of hexamethylene tetramine, 30-50 parts of ethanol, 20-30 parts of triethyl citrate, 10-20 parts of polyethylene glycol 400, 1-3 parts of potassium hydroxide, 1-3 parts of alum, 3-6 parts of paraffin wax, 6-8 parts of span-60, 2-10 parts of nitrocellulose, 4-8 parts of a composite additive, and 30-50 parts of water. The fuel disclosed by the invention is prepared by compounding various calorific-value components, and through the synergistic effect of the various calorific-value components, a defect that the calorific value of a single calorific-value component is too large or too small can be overcome, thereby obtaining a better application effect.

The present invention relates to a method and a device taking gas as fuel in industry, dining halls, power plants and the like, in particular to an energy-saving, high-efficiency and environment-friendly method and a device for gas combustion. The energy-saving method for gas combustion is characterized in that: the combustion method is that: 1. gas enters into a hearth for one time or times of compression and expansion; 2. air is introduced into the hearth and is mixed with the gas; 3. the gas is ignited, the volume of the gas and the volume of the air are rapidly expanded and compressed in the hearth, and the bonds of gas molecules are cracked; 4. the gas rotates in the hearth at a high speed, and is fully combusted in a stove body to emit heat; and 5. when the gas is combusted, the gas is preheated before entering into the hearth. The present invention further discloses a device for realizing the method. When the device is used in the said method, a series of oxidization and reduction reactions take place in all substances in the gas when the gas is continuously expanded and decomposed, and the gas is converted to extremely high heat to be emitted and is sufficiently combusted, so that the gas is combusted more sufficiently, and the energy is saved.

The invention discloses a picnic barbecue device. The picnic barbecue device comprises a picnic stove and a barbecue box; the picnic stove comprises a stove body, the stove body is internally provided with a hearth, an air inlet is formed in the bottom surface of the stove body, and a fan is installed at the air inlet; a plurality of first air inlet holes are formed in the side wall,, close to the bottom surface, of the hearth; a plurality of second air inlet holes are formed in the side wall, located at the upper middle portion, of the hearth, and a plurality of third air inlet holes are formed in the side wall, close to the top surface, of the hearth; the barbecue box comprises a box body and a fire guide pipe, wherein the top of the box body is of an open structure, and the box body is internally provided with a barbecue chamber; a first through hole is formed in the bottom of the box body, the top of the box body is provided with a cover body, and a second through hole is formed in the cover body; the box body is installed above the stove body, and the fire guide pipe penetrates through the first through hole and the second through hole at the same time; the cover body is provided with a fixing structure and a widow. Through the adoption of the picnic barbecue device, picnic barbecue is easier and not affected by wind, the safety and hygiene of barbecue food are ensured, and the taste and nutrition of the barbecue food are further ensured.

The invention relates to a clean fuel, specifically a fuel oil for industrial furnaces and civil oil stoves that can replace petroleum products such as diesel oil and heavy diesel oil, and solves the problem of high price and tight supply of diesel oil used in existing industrial furnaces and civil oil stoves. , serious pollution and other problems, including the following raw materials in weight percentage: rice bran oil, dephenolized oil, coal-based diesel oil, petroleum naphthenic acid, low carbon alcohol, metal corrosion inhibitor and antioxidant. The present invention uses high-melting-point vegetable oil to blend with coal chemical and petrochemical fuels, and has the following advantages: the dependence of industrial furnaces and civil oil stoves on petroleum is greatly reduced; vegetable oil belongs to renewable energy, and the utilization range of high-melting-point vegetable oil is expanded ; For clean energy, the pollutants in combustion emissions are significantly reduced; the process is simple, and the production cost is lower than about 25% of petroleum diesel.

The present invention relates to a device for increasing heat power of a gas burner, and an object of the present invention is to provide a device for increasing heat power of a gas burner, capable of improving heat efficiency by making the supplied gas to the gas burner burn completely and maintaining an intense heat power. The device for increasing heat power of a gas burner is comprised of a gas burner comprising having a gas inlet pipe formed on one side of a burner header, a plurality of burner tips formed on the upper side thereof, and a cap fixed within said burner header; and a heat power increasing means is further provided so that the means increases a heat power as well as aid the combustion of the dispersed gas from said burner tips by discharging the air blown by a blowing fan provided on the lower side of said burner header around said burner header.

The invention relates to a hot stream inversion burning device, belonging to a burning device, solving problems that in prior technology common burning devices are provided with insufficiently burning fuel, wasting energy and environment pollution. The hot stream inversion burning device comprises combustor, grate under the combustor, ash storing house, smoke flue and heat collecting region under the grate. The smoke flue is connected with the ash storing house. Said grate is pipe shape and two ends are connected with cycling water container. Uncompleted burning fuel inverses downwards from the top of combustor to carry out secondary burning and then enters into the heat collecting region through the ash storing house. Compared with prior technology, the invention is provided with fuel saving, high heat efficiency and environmental protection. Fog from the combustor is burned in the second time and whereinto fuel in is burned completely so that smoke is eliminated by itself and dust is eliminated by itself. Fuel is burned completely and ash is little.

The invention discloses a tower type roasting machine, which comprises a tower type roasting rack, a heat source furnace and a stone basket, wherein the tower type roasting rack consists of a plurality of ring layers, a keel and an oil collecting groove. Each ring layer is inclined, the outer edge of each ring layer is lower than the inner edge, a ventilation gap is reserved between the ring layers, the keels are used for connecting and fixing each ring layer into a pagoda shape, the oil collecting groove is positioned at the periphery of the lowest ring layer, the tower type roasting rack isarranged on a protective shell box, the stone basket is a metal basket and is provided with stones for storing heat and dispersing heat, and the heat source furnace is arranged below the stone basket.The invention has the advantages of convenient use, strong fire power and convenient barbecue. The tower type roasting machine can roast kebab, also can directly roast food, has no oil smoke for foodoil and barbecue materials not falling on flames, can be used indoors and outdoors, basically does not generate roasting carcinogens, can enable users to be far away from the oil smoke, so that the body health is ensured, and the built-in stone basket can continuously supply heat or preserve heat after the heat source furnace stops supplying heat.

The invention relates to a gas range, especially a gas range which can reduce carbon monoxide and nitrous oxides by supplying natural air to gapping place between range body and upper cover to offset air lack thereby promoting combustion. The range body has annular shape, and has mixture gas spray nozzle on internal upper periphery face; one end of the mixing tube is connected to one end of the range body, another end is equipped with air controlling port, and a coal gas input tube is arranged in middle part of the air controlling port; Plural air spray nozzles for spraying the air upwards blew out by blower are arranged on air box in central part under the range body; blower which blows air by using motor is connected to first air box via input tube; An upper cover covers the upper range body, and central part of the range body is flame injection region via which the flame is sprayed upwards; and at least three convex bases are arranged along circumference of the upper range body; and the upper cover is arranged on the convex bases; natural air can be supplied via the gapping place between the upper cover and the convex bases.

The invention relates to a hot water constant-temperature combustion biomass stove. The hot water constant-temperature combustion biomass stove is mainly composed of a stove shell (1), stove components, a large-capacity water tank (2) and a foot frame (3), wherein the stove shell (1) and the stove components are formed by cold work welding of pure aluminum materials, the foot frame (3) supports the stove shell (1), the large-capacity water tank (2) is located in the stove shell (1), a firewood adding safety door (9) is arranged on the side of the stove shell, two parallel tracks (10) are arranged at the bottom of the stove shell, a semicircular track wind drawer (11) is hung on the tracks (10), a smoke return disc is connected above a combustion chamber, the top portion is covered with furnace face loop plates (13) which are mutually sleeved in the size, and the smoke outlet of the smoke return disc is connected with a three-way chimney bag (17). The hot water constant-temperature combustion biomass stove is reasonable in structure, complete and sufficient in combustion, free of smoke and dust, high in heat efficiency, small in occupied area and capable of burning rice, making dishes and burning hot water at one time.