CN214949214U - Device for improving kitchen cooking environment - Google Patents

Abstract

A device for improving cooking environment in kitchen is composed of frying pan made of steel or iron material, metallic plate for preventing oil smoke, gas stove, ventilation unit and relative unit. The method solves the problems of oil smoke, pollution and related ventilation during cooking in a kitchen by adopting a simple, energy-saving and environment-friendly effective method. The first scheme is as follows: a metal storage hanging cabinet is arranged right above a kitchen cooking bench and three glass doors put down are selected to separate the upper part of a panel of the gas stove cooking bench into an independent space, and a mode of replacing a smoke exhaust ventilator by an exhaust fan is adopted. Scheme two or three: the gas stove is placed on the position of a window sill of an outer wall window of a kitchen after being changed and adjusted, and because the rectangular metal sleeve arranged on the window sill and the additional rectangular air supply channel made of transparent plastic are additionally arranged at the lower end of the glass window which rotates inwards up and down, the flowing air is conveyed downwards, compared with the traditional high-power integrated stove, the heat efficiency of cooking food can be improved by 5-10 times under the condition of improving the air suction effect.

Description

Device for improving kitchen cooking environment

Technical Field

The utility model relates to a method for improving the cooking environment of a kitchen, in particular to a device for improving the cooking environment of the kitchen, which is formed by mutually matching a frying pan made of steel and iron materials, a flat smoke-proof metal plate, a gas stove, a ventilation device and related devices.

Background

The top-suction type range hood sucks the oil smoke and the waste gas upwards, and a cooking operator inevitably sucks a small amount of oil smoke and waste gas beside a cooking bench; the oil received in the oil receiving box of the top-suction type smoke exhaust ventilator and the side-suction type smoke exhaust ventilator is only a part of oil smoke generated in cooking processing, and a part of the oil smoke is retained on the surface and inside of the smoke exhaust ventilator, and a small part of oil smoke products float to other parts of a kitchen to form stains. The edible oil can generate substances harmful to human bodies after being gasified at high temperature.

In order to solve the problem of oil fume pollution generated during cooking in a kitchen, the imported or domestic oil fume-free frying pan sold in the market at present mainly has a composite layer structure and a pan bottom structure which is manufactured by adopting a casting and forging method and is thickened to 3-6mm, the weight of the frying pan reaches or even exceeds 2000 g, and the pan body with the structure causes the weight increase of the pan body of the frying pan and the increase of the production cost under the condition of meeting the oil fume-proof effect, so that the operation and the general application are not facilitated. In 2007, on 6 th 7 th month, 2008, 9 th 28 th month and 2009, 1 st, three patents named as "oil smoke prevention turner", "oil smoke prevention turner and application thereof" and "oil smoke prevention cooker and application thereof" were applied to the chinese intellectual property office, wherein the invention patent of "oil smoke prevention cooker and application thereof" applied for a japanese patent on 12 th 7 th 2009, and a japanese invention certificate was obtained on 2 th 28 th 2014. The above patent has made analysis and research to the problem that produces the oil smoke when cooking and has provided effectual solution, has played obvious effectual effect to preventing that the oil smoke from producing. There are problems in that: the oil smoke and the waste gas generated when the kitchen is used for cooking can be eliminated by adopting the oil smoke prevention cooker and the smoke exhaust ventilator in the kitchen to be matched for use, however, the smoke exhaust ventilator still gathers a large amount of stains after being used for a period of time, the cleaning is troublesome each time, particularly, certain parts can not be thoroughly cleaned, the harmful stains are reserved in the smoke exhaust ventilator for a long time, the smoke exhaust ventilator not only occupies a certain space in the kitchen, the noise generated when the traditional smoke exhaust ventilator is used is large, the power consumption is high, and the problems are solved. In addition, when the gas range is continuously used for a long time, the gas range panel becomes hot due to the bracket on the gas range burner being burned red and heat-conducting, which is particularly remarkable in summer.

Disclosure of Invention

The utility model aims to solve the problems of oil smoke, pollution and related ventilation during cooking in a kitchen by adopting a simple, energy-saving and environment-friendly effective method. In 2014, after the oil fume prevention cooker is continuously used for many years, oil drops are not found in an oil receiving box of the range hood, but stains still exist in the range hood and a kitchen, and the stains are generated by floating oil and fat along with water vapor after fat-containing food is cooked and boiled; these stains are not only messy to clean but also are detrimental to health. The first change test is that the gas stove is moved to a position close to a kitchen windowsill, an electric fan is arranged at the edge of the gas stove, a wind shield is arranged at the lower part of the air outlet end of the electric fan to limit the wind of the electric fan to flow below 10cm above the opening of a frying pan, convection air is formed above the frying pan and does not influence the combustion of flame of the gas stove, the electric fan is started during frying to directly blow the mixture of waste gas generated during the combustion of the gas stove and oil smoke generated in the frying pan out of the window, and the use of the smoke exhaust ventilator is stopped; this approach has been in use for two years.

In 2016, on the basis of the first modification test, a first set of solutions for improving the cooking environment in the kitchen was established: a frying pan made of steel and iron materials, a flat smoke-proof metal plate, a gas stove, a ventilation device and related devices are matched with each other to be used to form a device for improving the cooking environment of a kitchen, which is characterized in that a rectangular hole is drilled on the outer wall of the left side surface of a kitchen cooking bench, an in-wall rectangular metal sleeve containing a rectangular metal outer frame is arranged in the rectangular hole, the rectangular metal outer frame is made of rectangular steel pipes and made of steel plates, the inner contour of the in-wall rectangular metal sleeve is flush with the inner contour of the rectangular metal outer frame, the outer contour of the rectangular metal outer frame is larger than the outer contour of the in-wall rectangular metal sleeve and protrudes outwards, the integral compression strength and the anti-deformation strength of the in-wall rectangular metal sleeve are both larger than the standard requirements of the original building wall, and the in-wall rectangular metal sleeve fixed in the wall and containing the rectangular metal outer frame has the antirust and antioxidant capacity, the rectangular metal sleeve in the wall and the rectangular metal outer frame are welded into a whole, an exhaust fan is arranged after tiles are built on the upper surface, the lower surface, the left surface and the right surface in the rectangular metal sleeve in the wall containing the rectangular metal outer frame, a metal sliding door A (15) is arranged on the rectangular metal outer frame bearing the exhaust fan to seal the exhaust fan, grooves are arranged at the edges of the three surfaces of the metal sliding door A to cover the rectangular metal outer frame bearing the exhaust fan, the outer side surface of the metal sliding door A arranged on the rectangular metal outer frame is flush with the wall surface of the tiles in the kitchen, a rectangular metal windproof cover A which is fixed on the outer wall and is opened downwards is arranged outside the rectangular hole, the rectangular hole drilled on the outer wall of the kitchen is shielded by the rectangular metal windproof cover A which is fixed on the outer wall and is opened downwards, and an exhaust opening is only reserved at the lower end of the rectangular metal windproof cover A, the area of the lower opening of a rectangular metal windshield A fixed on the outer wall of the outer wall at the outdoor position of the rectangular hole is larger than 70% of the area of the maximum rotating diameter of the fan blade during rotation, the edge of a left hearth of a kitchen hearth is adjacent to the ceramic tile wall surface where a metal sliding door A arranged on a rectangular metal outer frame is located, and a power socket and a switch box a are arranged on the right side below the metal sliding door A; the wall corner right above the kitchen range is provided with a cuboid metal storage hanging cabinet which is fixed on the wall and provided with two sliding doors and three glass doors capable of rotating up and down, a glass door rotating downwards is arranged below the cuboid metal storage hanging cabinet right above the kitchen range, a rotating hinge Z of the glass door rotating downwards is arranged on one side, away from an exhaust fan, of the lower end of the cuboid metal storage hanging cabinet, the glass door rotates anticlockwise by 90 degrees from a horizontal state to a vertical state and is opposite to the exhaust fan, and the glass door rotating downwards below the cuboid metal storage hanging cabinet right above the kitchen range is fixed below the cuboid metal storage hanging cabinet right above the kitchen range by a bolt 1 when rotating clockwise to the horizontal state so as to limit the rotation; the two sliding doors A and B are fixed by two bolts 3 and 2 respectively to limit the rotation of the two sliding doors A and B when the left side and the right side arranged outside the two sliding doors of the cuboid metal storage wall cabinet right above the kitchen cooking bench are rotated upwards to a vertical state, two switches on a gas stove panel are shielded under the cuboid metal storage wall cabinet right above the kitchen cooking bench, and the cuboid metal storage wall cabinet right above the kitchen cooking bench and three vertically placed sliding doors can be rotated upwards and downwards The glass door separates the upper part of the gas stove top panel into an independent space; because the cooking bench is arranged adjacent to the exhaust fan, in order to facilitate the operation during cooking, in a glass door A which is arranged outside a metal sliding door A of a cuboid metal storage hanging cabinet right above the cooking bench and can rotate up and down on the left side and a glass door B which can rotate up and down on the right side, the width of the glass door A which can rotate up and down on the left side adjacent to the exhaust fan is smaller than the width of the other glass door B which can rotate up and down on the right side; when dishes are cooked, the glass door which rotates downwards and is opposite to the exhaust fan is anticlockwise rotated to a vertical state from a horizontal state below a cuboid metal storage hanging cabinet right above a kitchen cooking bench, a gap below the glass door is closed by a movable stainless steel square pipe, a metal sliding door A on a rectangular metal frame of the exhaust fan is opened, the exhaust fan is opened to exhaust outwards, then the metal sliding door A of the cuboid metal storage hanging cabinet right above the kitchen cooking bench is opened to open a bolt 3 to rotate downwards by 180 degrees to the vertical state compared with the glass door A which can rotate up and down on the left side of an adjacent exhaust fan, and when two sliding doors of the cuboid metal storage hanging cabinet right above the kitchen cooking bench are rotated downwards by 180 degrees to the vertical state compared with the glass door A which can rotate up and down on the left side of the adjacent exhaust fan, the lower end of the glass door A which can rotate up and down on the left side is compared with a panel of the gas cooking bench; when two sliding doors of a cuboid metal storage hanging cabinet right above a kitchen cooking bench rotate downwards 180 degrees to be vertical than a glass door capable of rotating up and down of an adjacent exhaust fan, the left side surface of the glass door A capable of rotating up and down on the left side is connected with a metal sliding door A on a rectangular metal frame of the adjacent exhaust fan, the lower end surface of the cuboid metal storage hanging cabinet right above the kitchen cooking bench is higher than the top end of the metal sliding door A on the rectangular metal frame of the exhaust fan, the distance between the bottom of the cuboid metal storage hanging cabinet right above the kitchen cooking bench and a panel of the gas cooking bench is 59-69 cm, the flat-bottom smoke-proof metal plate is placed on a gas cooking bench bracket of the adjacent exhaust fan, a frying pan is placed on the flat-bottom smoke-proof metal plate, the vertical distance from the lowest endpoint of the rotating track of the fan blades to the top of an upper opening of the frying pan is 120mm, the vertical distance from the nearest point of the top of the upper opening of the frying pan to the plane where the fan blade shield of the exhaust fan is located to the top of the upper opening of the frying pan is 50mm, and the range of diffusion of gas and waste gas generated during cooking is reduced by cooking in the state; in the state, a horizontal plane at the top of the upper opening of the frying pan is tested to suck a dry towel with the length of 75cm, the width of 35cm and the weight of 85 g, under the condition of adopting an exhaust fan with the power of 50 watts, the distance for sucking the towel reaches 30cm, the air suction effect of sucking the towel by 20cm by a small number of traditional high-power integrated ranges with the power of more than or equal to 280 watts and the air quantity of 22 cubic meters per minute is exceeded, and the distance for sucking the dry towel by most side-suction type smoke exhaust ventilators is less than 15 cm; in addition, in order to better perform cooking operation under different requirements and have the effect of oil smoke prevention, the flat-bottomed oil smoke prevention metal disc and the frying pan are two separable independent components, the inner contour of the flat-bottomed oil smoke prevention metal disc is matched with the outer contour of the bottom of the frying pan, the flat-bottomed oil smoke prevention metal disc is placed on a bracket of a gas stove cooking range head of a kitchen adjacent to an exhaust fan, and the flat-bottomed oil smoke prevention metal disc is made of steel, iron, copper and aluminum metal materials; the three rotary glass doors vertically put down by the cuboid metal storage hanging cabinet right above the kitchen cooking bench completely surround the space above the panel of the whole gas stove in the corner adjacent to the exhaust fan, the exhaust fan is started to suck the waste gas generated during combustion of the gas stove and the oil smoke gas mixture generated in the frying pan during cooking, and particularly when food is cooked in summer, the three rotary glass doors vertically put down by the cuboid metal storage hanging cabinet right above the kitchen cooking bench effectively prevent the diffusion of high-temperature steam in a kitchen; in order to reduce the heat loss generated by the gas stove, 5-7 porcelain columns of outer lining metal tubes connected with the gas stove cooking range support are arranged at the lower end of the gas stove cooking range support, and the heat dissipation from the lower end of the gas stove cooking range support to a gas stove cooking range panel is effectively slowed down by the porcelain columns made of nonmetal materials and protruding in the outer lining metal tubes connected with the gas stove cooking range support.

After more than four years of continuous use of the energy-saving environment-friendly cooker and the related devices thereof, no stain appears at each part of the kitchen, and only slight stain exists at the rectangular discharge outlet for placing the exhaust fan, so that the energy-saving environment-friendly cooker and the related devices thereof only need to be cleaned and wiped once a month.

A large number of experiments have shown that: the electric fan without the protective cover is used on a desktop, the motor is started to rotate under the same power condition, the distance of the electric fan blowing air in front of the fan blades is ten times that of the electric fan sucking air in front of the fan blades, and the two air flow driving effects are different greatly; the smoke test shows that when the electric fan blows air, a small amount of smoke lower than the lowest rotation point of the fan blades of the exhaust fan is not directly blown out of a room, but is reversely melted into flowing air. The electric fan is used for replacing the exhaust fan, the rotating direction of the rotating fan blades of the electric fan with the rectangular outer contour is set to be in reverse rotation, the electric fan after being changed is replaced to the position of the exhaust fan, and the operation is more convenient.

When food is fried or food which is easy to generate odor is cooked in a frying pan, firstly, a metal sliding door on a metal frame bearing an exhaust fan is opened, the exhaust fan on the side surface of the adjacent cooking bench is opened to exhaust air outwards, the frying pan is placed on a cooking range with a flat-bottom oil smoke-proof metal disc of the adjacent exhaust fan, a rotating door opening pin bolt of the sliding door of a storage cabinet is rotated downwards to be in a vertical state compared with the rotating door of the adjacent exhaust fan, and a cooking operator observes and operates outside the glass rotating door of the adjacent exhaust fan; when the electric fan is used for cooking, the expected effect can be achieved by selecting the electric fan to rotate at a medium speed. The electric fan is used for replacing the exhaust fan, the rotating direction of the rotating fan blades of the electric fan with the rectangular outer contour is set to be in reverse rotation, and the electric fan after being changed is replaced to the position of the exhaust fan. The electric fan is selected to rotate at a high speed, frying and cooking are carried out in the state, harmful gas and odor generated during cooking are effectively prevented from diffusing, and in order to reduce the cleaning of the exhaust fan or the electric fan, the front protective cover and the rear protective cover of the exhaust fan or the electric fan are removed, so that the cleaning is facilitated, and the air exhaust effect is improved; the frame screen window covered by wet gauze is arranged on the outer side of the exhaust fan or the electric fan, which is adjacent to one surface of the frying pan, so that the frame screen window is convenient to clean at any time.

Three light fabrics which are same in material and have the size of 38cm in width, 50cm in height, 15 g in weight, 55cm in width, 66cm in height, 12 g in weight, 3.5cm in width and 0.75 g in weight, an electric fan which is arranged at the rectangular vent and has the power of 50W and the rotating diameter of a fan blade of 300mm is started by pressing a medium-speed key, a frying pan is placed on an oil and smoke resistant metal disc, the fabrics are hung at one end above a frying pan port farthest away from the electric fan, the hanging fabrics are sucked to the nearest end of the frying pan port adjacent to the electric fan and then are adsorbed to the electric fan, side-suction type smoke extractors with the power of 280W in different brands in a plurality of markets are selected by the three hanging fabrics under the conditions of the same height and distance, a high-speed operation comparison test is started, the effect of adsorbing the hanging fabrics is lower than the effect of high-speed rotation of the electric fan and is only equal to the input power of 50W of the exhaust fan, the fan blade has the rotation diameter of 300mm and the air volume of 14.5 cubic meters per minute, and the effect of properly increasing the input power and the air volume of the exhaust fan is more obvious; the contrast test fully proves the remarkable effect of the technical scheme. Although the power of the traditional side-draft range hood is high, the designed structure and the installation mode of the traditional side-draft range hood cause the air draft effect to be greatly reduced.

According to the first scheme for improving the cooking environment in the kitchen in the device for improving the cooking environment in the kitchen, which is formed by mutually matching and combining the frying pan made of steel and iron materials, the flat-bottomed metal plate for preventing oil smoke, the gas stove, the ventilation and air exchange device and related devices, after repeated comparative tests and technical analyses, a second set of solutions was developed to improve the cooking environment in the kitchen, the kitchen outer wall window sill height adjusting device is characterized in that the height of a kitchen outer wall window sill is changed and adjusted, a gas stove is placed at the position on the kitchen outer wall window sill after being changed and adjusted, the height of a gas stove top panel placed after the kitchen outer wall window sill height is changed and adjusted is the same as that of a traditional kitchen gas stove top panel, two switch knobs on the gas stove top panel are adjacent to the edge of the inner side of the kitchen sill, and the lower end part of an original kitchen window is changed into a structure for placing the position of the kitchen gas stove top and an operation space; after the horizontal surface height of the window sill of the external wall window is changed and adjusted in a kitchen, the upper surface of the wall body where the window sill plane of the external wall window of the kitchen after the change is located is horizontally arranged, the rectangular metal frame on the window sill made of rectangular steel pipes is fixed, the upper surface of the rectangular metal frame is welded, the rectangular metal sleeve on the window sill is arranged, the outer walls of the two sides of the rectangular metal sleeve on the window sill are adjacent to the walls of the left side and the right side of the kitchen window sill, the width of the rectangular metal sleeve on the window sill is equal to the width of the inner wall of the window sill of the kitchen window, the bottom surface inside the rectangular metal sleeve on the window sill is a rectangular workbench, the depth of the rectangular metal sleeve on the window sill is equal to the width of a workbench for placing a gas stove panel in a traditional kitchen, a gas stove is placed on the rectangular workbench at the inner bottom end of the rectangular metal sleeve on the window sill, the surface of the stove panel for placing the gas stove on the rectangular workbench at the inner bottom of the rectangular metal sleeve on the window sill is arranged to be arranged The distance between the top ends of the interior of the rectangular metal sleeves on the windowsill is 69cm, the outdoor end portion of the rectangular metal sleeve on the windowsill is provided with and welded with an outdoor rectangular metal outer frame, the exterior rectangular metal outer frame is internally provided with and welded with an outdoor rectangular metal sleeve, the depth dimension of the rectangular metal sleeve on the windowsill is prolonged by the outdoor rectangular metal sleeve, the width of the interior of the outdoor rectangular metal sleeve is the same as the width of the interior of the rectangular metal sleeve on the windowsill, a lower row of fans or electric fans can be placed at the height of the interior of the outdoor rectangular metal sleeve, the depth of the outdoor rectangular metal sleeve can meet the width distance of the fans, two fans are closely arranged in the outdoor rectangular metal sleeve in parallel, the horizontal distance between the outermost end of the interior top of the outdoor rectangular metal sleeve and the innermost end of the interior top of the rectangular metal sleeve on the windowsill is 92 cm-107 cm, the gas cooker is arranged on the ceramic tile built on the rectangular working platform at the bottom end inside the rectangular metal sleeve arranged on the windowsill, two flat-bottomed smoke-proof metal discs are arranged on two gas cooker burner supports, two pan-frying pans are arranged on the two flat-bottomed smoke-proof metal discs, the vertical distance from the lowest endpoint of the rotation track of two exhaust fan blades to the horizontal plane where the tops of the upper openings of the two pan-frying pans are located is 120mm, the vertical distance from the top of the upper openings of the two pan-frying pans to the nearest point of the two exhaust fan blade shields to the plane where the two exhaust fan blade shields are located is 50 mm-200 mm, two metal doors B rotating in the horizontal direction are arranged in the rectangular metal sleeve arranged on the windowsill to seal the two exhaust fans in the outdoor rectangular metal sleeve, except that the reserved space of the outdoor rectangular metal sleeve arranged in the outdoor rectangular metal outer frame for placing the two fans can be communicated indoors and outdoors, the parts of the vertical surface on which two metal doors B rotating in the horizontal direction of the two closed exhaust fans are positioned when the metal doors B are closed, the parts of the outdoor rectangular metal sleeve from the top to the bottom end inside the rectangular metal sleeve arranged on the windowsill are all closed by stainless steel plates, a rectangular metal outer frame containing the two exhaust fans is arranged inside one end of the outdoor rectangular metal sleeve for placing the two exhaust fans indoors, the inner side of the rectangular metal outer frame containing the two exhaust fans is flush with the inner side of the outdoor rectangular metal sleeve, two metal doors B rotating in the horizontal direction are arranged on the inner side of a rectangular metal outer frame containing two exhaust fans to seal the two exhaust fans, after the two metal doors B rotating in the horizontal direction are opened, the two metal doors B are adjacent to the inner walls of the left side and the right side of a rectangular metal sleeve arranged on a windowsill, and a power socket and a switch box B are arranged on the lower left side of the rectangular metal outer frame; the rectangular metal sleeve is provided with rectangular metal wind-prevention covers B of two exhaust fans with downward openings at one ends of air outlets of the two outdoor exhaust fans, the rectangular metal wind-prevention covers B of the two exhaust fans with the downward openings are fixed on the outer wall, only the air outlets are reserved at the lower ends of the rectangular metal wind-prevention covers B, the area of the lower openings of the rectangular metal wind-prevention covers B of the two exhaust fans with the downward openings is larger than 70% of twice of the area of the maximum rotating diameter when the blades of the exhaust fans rotate, and the distance from the end face, farthest from the kitchen outer wall, of the rectangular metal wind-prevention covers B of the two exhaust fans with the downward openings to the kitchen outer wall is 40-55 cm; an indoor rectangular metal outer frame made of rectangular steel pipes is arranged at the indoor end part of the rectangular metal sleeve arranged on the windowsill and welded with the indoor rectangular metal outer frame, and the upper, lower, left and right inner side surfaces of the indoor rectangular metal outer frame are adjacent to the outer side surfaces of the rectangular metal sleeve arranged on the windowsill; the outer end face of the indoor rectangular metal outer frame is flush with the inner wall of a kitchen windowsill, a rectangular steel pipe A is additionally arranged and welded at the lower end of the indoor rectangular metal outer frame, the top face of the rectangular steel pipe A is additionally arranged and welded at the lower end of the indoor rectangular metal outer frame and is as high as the upper surface of a placed gas stove top panel, and a stainless steel plate is additionally arranged and welded at the lower end of the indoor rectangular metal outer frame and is sealed from the lower end of the indoor rectangular metal outer frame to the lower end of the indoor rectangular metal outer frame by the welded stainless steel plate; the lower end of an indoor rectangular metal outer frame is additionally provided with and welded with the upper end face of a rectangular steel pipe A and the inner side face of the indoor rectangular metal outer frame, two metal frame glass doors capable of rotating up and down are arranged in the lower end of the indoor rectangular metal outer frame, when the two metal frame glass doors capable of rotating up and down are in a closed state, rotating hinges c of the two metal frame glass doors capable of rotating up and down are arranged below the two metal frame glass doors capable of rotating up and down, and the two metal frame glass doors capable of rotating up and down can completely seal the space above a gas stove working panel to form an independent space; a rectangular window frame which is directly communicated with the top of the kitchen window and is adjacent to the outer wall is arranged at the outdoor outlet of the top of the rectangular metal sleeve arranged on the windowsill; in order to improve the lighting effect of the kitchen window, the top of the rectangular metal sleeve on the windowsill is hollowed and additionally provided with a rectangular light-transmitting top plate with toughened glass, two ends of the inner side of the rectangular light-transmitting top plate with the toughened glass are provided with cross beams for bearing the toughened glass, a rectangular steel pipe used by the top of the kitchen window and adjacent to the lower cross beam of the rectangular window frame of the outer wall and a rectangular steel pipe used by the rectangular light-transmitting top plate with the toughened glass and at the lower end of the rectangular light-transmitting top plate for bearing the toughened glass are the same rectangular steel pipe No. 2 in common, and the outer end face of the top of the kitchen window and adjacent to the rectangular window frame of the outer wall is flush with the outer wall face of the kitchen; the top of the kitchen window is provided with a glass window which can rotate outwards and upwards and downwards in a rectangular window frame adjacent to the top of the kitchen window and the outer wall, a rotating hinge b of the glass window which rotates outwards and upwards and downwards is arranged above the rotating window, a rectangular window frame which is communicated with the top of the kitchen window and adjacent to the inner wall of the kitchen is arranged at the position of an indoor port at the top of a rectangular metal sleeve arranged on a windowsill, the outer end of the rectangular window frame at the top of the kitchen window and adjacent to the inner wall of the kitchen is flush with the inner wall of the kitchen, in order to improve the lighting effect of the kitchen window, a rectangular steel pipe used by a lower beam of the rectangular window frame at the top of the kitchen window and adjacent to the inner wall of the kitchen window and a rectangular steel pipe used by an upper beam of an indoor rectangular metal outer frame at the lower end of the rectangular window frame are the same number 1, and a glass window which can rotate inwards and upwards and downwards is arranged inside the rectangular window frame at the top of the kitchen window and adjacent to the inner wall of the kitchen, the rotary hinge a of the inward vertical rotating glass window is arranged above the rotary window, and the width and the height of the inward vertical rotating glass window are equal to those of the outward vertical rotating glass window; a movable screen window with a magnetic stripe frame is arranged between the inward and upward and downward rotating glass window and the outward and upward and downward rotating glass window; the flat-bottom-shaped oil smoke prevention metal plate and the flat-bottom frying pan are two separable independent components, the inner contour of the flat-bottom-shaped oil smoke prevention metal plate is matched with the outer contour of the bottom of the flat-bottom frying pan, the flat-bottom-shaped oil smoke prevention metal plate is placed on a bracket of a gas stove cooking range head of a kitchen adjacent to an exhaust fan, and the flat-bottom-shaped oil smoke prevention metal plate is made of steel, iron, copper and aluminum metal materials; through repeated comparison tests, an exhaust fan with the input power of 50 watts is selected, a louver baffle of the exhaust fan is removed, only 4-6 supporting rods are reserved for a fan blade protective cover of the exhaust fan, and the air suction effect of the exhaust fan is improved by 80% due to the fact that the resistance of shielding objects at the front end and the rear end of the fan blade is reduced; two louver baffles for removing the exhaust fan are arranged in the kitchen cooking bench arranged on the windowsill, the exhaust fan with 4-6 supporting rods reserved for a fan blade protective cover of the exhaust fan improves the exhaust effect, and two flat-bottomed smoke-proof metal plates and two flat-bottomed frying pans are respectively arranged on the supports of the two gas stove cooking ranges to cook simultaneously; when cooking, the two metal frame glass doors capable of rotating up and down are rotated downwards by 180 degrees and are vertical to the ground, the two metal doors B rotating in the horizontal direction and arranged on the inner sides of the rectangular metal outer frames of the two exhaust fans are opened, the two metal doors B rotating in the horizontal direction are respectively rotated by 90 degrees and are adjacent to the left side and the right side of the inside of the rectangular metal sleeve arranged on the windowsill, 1 or 2 exhaust fans are opened to exhaust air to the outside according to requirements, the triangular wind shields are connected with the sides of the glass windows rotating up and down inwards, the glass windows rotating up and down inwards and the glass windows rotating up and down are opened, under the action of air sucked by the exhaust fans, outdoor air enters from the opened glass windows rotating up and down outwards and the glass windows rotating up and down inwards, and is conveyed downwards along the rectangular air supply channel made of transparent plastics with the strip-shaped magnets, and moves towards the exhaust fans after forming an air curtain shield, the shielding effect of the air curtain can be more than 50cm in downward radiation distance, and a rectangular air supply channel made of transparent plastic and provided with strip magnets is connected to the lower end of a glass window rotating inwards and upwards and downwards and the upper end of an indoor rectangular metal outer frame; in the state, a dry towel which is 75cm long and 35cm wide and 85 g in weight is sucked on the horizontal plane on which the top of the upper opening of the frying pan is positioned, and the towel sucking test is performed under the condition that two exhaust fans with the power of 50 watts are started, so that the towel sucking effect is remarkably improved, and the distance for sucking the towel with the weight of 85 g is increased from 30cm to 110 cm; in order to reduce the influence of high temperature on the exhaust fan or the electric fan during cooking, the vertical distance from the top of the upper openings of the two frying pans to the nearest point of the two exhaust fan blade shields to the plane of the two exhaust fan blade shields is increased to 200 mm; one of the two metal frame glass doors capable of rotating up and down is rotated 180 degrees upwards to be closed, only one of the two metal frame glass doors capable of rotating up and down is opened to carry out cooking operation, the two exhaust fans are opened to exhaust outwards, a piece of soaked wet towel with the length of 75cm, the width of 35cm and the weight of 333 grams is sucked in the horizontal plane at the top of the upper opening of the frying pan in the state, the soaked wet towel can still be sucked, and the air suction effect of the exhaust fans is obviously enhanced. The modified kitchen outer wall window windowsill plane is arranged on the upper surface of a wall body, a rectangular metal outer frame made of rectangular steel pipes is fixed and welded, a rectangular metal sleeve on the windowsill and two metal frame glass doors capable of rotating up and down are arranged, and the combination of the glass window which rotates up and down outwards and the glass window which rotates up and down inwards, which are additionally arranged at the upper end of the windowsill, replaces the original window of a kitchen; a lighting lamp is arranged in the rectangular metal sleeve arranged on the windowsill; when food is cooked in a kitchen, the exhaust fan is started, the two metal frame glass doors capable of rotating up and down are all closed, exhaust gas generated during combustion of the gas stove and oil smoke gas mixture generated in the frying pan are sucked out, and particularly, when food is cooked in summer, high-temperature steam is effectively prevented from diffusing in the kitchen; in order to reduce the heat loss generated by the gas stove, 5-7 porcelain columns of outer lining metal tubes connected with the gas stove cooking range support are arranged at the lower end of the gas stove cooking range support, and the heat dissipation from the lower end of the gas stove cooking range support to a gas stove cooking range panel is effectively slowed down by the porcelain columns made of nonmetal materials and protruding in the outer lining metal tubes connected with the gas stove cooking range support.

The third scheme for improving the kitchen cooking environment is characterized in that a rectangular worktable arranged at the bottom end inside a rectangular metal sleeve on a window sill and used for placing a gas stove top panel with two cooking ranges is replaced by a gas stove top panel with only one cooking range or an induction cooker on the position of the window sill of an adjusted kitchen outer wall window, and the number of a metal frame glass door, a frying pan and a flat-bottomed smoke-proof metal disc which can rotate up and down and are arranged in the inner side surface of an exhaust fan and an indoor rectangular metal outer frame is reduced to one, the method comprises the following steps that a steel plate at the top of a small rectangular metal sleeve on a windowsill for placing an exhaust fan is arranged to be hollow and additionally provided with heat-resistant toughened glass, after the width of the small rectangular metal sleeve on the windowsill for placing the exhaust fan is reduced, two glass windows which can be opened in the horizontal direction are additionally arranged at the indoor and outdoor positions of the reduced space, namely, the glass windows which can be opened are additionally arranged at the indoor and outdoor ends of the small rectangular metal sleeve on the adjacent windowsill, a sealing steel plate additionally provided with the heat-resistant toughened glass is welded at the top of a glass window frame additionally provided with the small rectangular metal sleeve, and the top surface of the sealing steel plate is flush with the top surface of the small rectangular metal sleeve on the windowsill; in order to further improve the lighting effect, two additional glass windows capable of being opened in the horizontal direction are arranged at the positions adjacent to the top surface of the closed steel plate and the vertical side surface of the small rectangular metal sleeve on the windowsill, namely adjacent to the reduced indoor and outdoor positions of the space, and the steel plate of the vertical side surface of the small rectangular metal sleeve on the windowsill is replaced by heat-resistant toughened glass; a metal frame glass door D which can rotate up and down is arranged in the inner side face of the left side of the indoor rectangular metal outer frame; the structures of the top of the small rectangular metal sleeve on the windowsill, the glass window with the outdoor end rotating outwards and vertically and the glass window with the indoor end rotating inwards and vertically are kept unchanged; the technical characteristics with the parts same as the claims are as follows: the gas stove panel has the functions of a rectangular metal sleeve, the horizontal distance between the outermost end of the top of the inner side of the outdoor rectangular metal sleeve and the innermost end of the top of the inner side of the outdoor small rectangular metal sleeve is 92 cm-107 cm, the vertical distance between the lowest end point of the rotation track of the fan blade of the exhaust fan and the horizontal plane where the top of the upper opening of the frying pan is located is 120mm, the vertical distance between the top of the upper opening of the frying pan and the nearest point of the fan blade shield of the exhaust fan and the plane where the fan blade shield is located is 50 mm-200 mm, and the distance between the surface of the cooking bench panel of the gas stove and the top end of the inside of the small rectangular metal sleeve on the setting window bench is 69 cm; under the action of air sucked by the exhaust fan, outdoor air enters from the glass window which rotates outwards up and down and the glass window which rotates inwards up and down, and then is conveyed downwards along the rectangular air supply channel which is made of transparent plastic with strip-shaped magnets, an air curtain shield is formed and then moves towards the exhaust fan, the downward radiation distance of the air curtain shield can exceed 50cm, and the rectangular air supply channel which is made of transparent plastic with strip-shaped magnets is connected to the lower end of the glass window which rotates inwards up and down and the upper end of the indoor rectangular metal outer frame; be provided with the light in the small-size rectangle metal sleeve on the windowsill, in order to reduce the produced calorific loss of gas-cooker, be provided with 5 ~ 7 ceramic columns with the outer lining tubular metal resonator of gas-cooker kitchen range leg joint at the lower extreme of gas-cooker kitchen range support, the above-mentioned ceramic column with the interior salient nonmetal material in lower extreme of outer lining tubular metal resonator of gas-cooker kitchen range leg joint can effectually slow down the heat dissipation of gas-cooker kitchen range support lower extreme to gas-cooker kitchen range top of a kitchen range panel.

The device for improving the kitchen cooking environment is characterized in that heat absorbing metal sheets 1 are uniformly distributed on the outer layer of the flat-bottom oil smoke-proof metal plate to increase the heating area and improve the heat conduction effect.

The device for improving the kitchen cooking environment is characterized in that the frying pan made of steel and iron materials, the flat smoke-proof metal plate, the gas stove, the ventilation and air exchange device and related devices are mutually matched and combined, and the flat smoke-proof metal plate is replaced by the flat smoke-proof metal ring, and the inner contour of the flat smoke-proof metal ring is matched with the outer contour of the bottom part of the frying pan.

The device for improving the kitchen cooking environment is characterized in that the flat-bottom oil smoke-proof metal disc is replaced by a flat-bottom oil smoke-proof metal ring, the inner contour of the flat-bottom oil smoke-proof metal ring is matched with the outer contour of the bottom of the flat-bottom frying pan, and heat absorption metal sheets 2 are uniformly distributed on the outer layer of the flat-bottom oil smoke-proof metal ring to achieve the effects of increasing the heating area and improving the heat conduction.

The frying pan made of steel and iron materials, the flat smoke-proof metal plate, the gas stove, the ventilation and air exchange device and related devices in the first set of scheme for improving the kitchen cooking environment or the second set of scheme for improving the kitchen cooking environment or the third set of scheme for improving the kitchen cooking environment are mutually matched and combined to form the device for improving the kitchen cooking environment, the further improvement is characterized in that the flat-bottom oil smoke-proof metal disc is replaced by an oil smoke-proof metal ring with a spherical crown-shaped profile, the flat-bottom frying pan is replaced by a frying pan with an outer contour of the spherical crown-shaped pan bottom, the inner contour of the oil smoke-proof metal ring with the spherical crown-shaped profile is matched with the outer contour of the pan bottom of the frying pan with the outer contour of the spherical crown-shaped pan bottom, and the heat absorbing metal sheets 3 are uniformly distributed on the outer layer of the spherical crown-shaped lampblack-proof metal ring to increase the heating area and improve the heat conduction effect.

The frying pan made of steel and iron materials, the flat smoke-proof metal plate, the gas stove, the ventilation and air exchange device and related devices in the first set of scheme for improving the kitchen cooking environment or the second set of scheme for improving the kitchen cooking environment or the third set of scheme for improving the kitchen cooking environment are mutually matched and combined to form the device for improving the kitchen cooking environment, the further improvement is characterized in that the flat-bottom oil smoke-proof metal plate is replaced by an oil smoke-proof metal shell with a spherical crown-shaped profile, the flat-bottom frying pan is replaced by a frying pan with an outer profile of the spherical crown-shaped pan bottom, the inner profile of the oil smoke-proof metal shell with the spherical crown-shaped profile is matched with the outer profile of the pan bottom of the frying pan with the outer profile of the spherical crown-shaped pan bottom, and the heat absorbing metal sheets 4 are uniformly distributed on the outer layer of the spherical-crown-shaped oil smoke preventing metal shell to increase the heating area and improve the heat conduction effect.

The device for improving the kitchen cooking environment is formed by mutually matching and combining a frying pan made of steel and iron materials, a flat-bottomed oil smoke-proof metal plate, a gas stove, a ventilation device and related devices in the first set of scheme for improving the kitchen cooking environment, the second set of scheme for improving the kitchen cooking environment or the third set of scheme for improving the kitchen cooking environment, and is further improved by removing a protective cover in front of an exhaust fan and a shutter behind the exhaust fan, so that the exhaust effect is improved; because the air suction effect of the exhaust fan or the electric fan is greatly improved, the frame screen window covered by gauze or gauze kerchief is placed on the outer side of the exhaust fan, which is adjacent to one surface of the frying pan, so that the screen window can be replaced by the gauze or gauze kerchief which is easy to disassemble, and the cleaning at any time is convenient. The gauze or gauze kerchief has higher density than the window screen, and the framed screen window covered by the gauze or gauze kerchief can reduce the pollution to the exhaust fan and is convenient to clean, and simultaneously reduces the pollution to the air environment caused by the direct outdoor discharge of the exhaust fan during the cooking in the kitchen.

The method for improving the cooking environment of the kitchen comprises the steps that a frying pan made of steel and iron materials, a flat-bottomed oil smoke-proof metal plate, a gas stove, a ventilation device and related devices are mutually matched and combined to form the device for improving the cooking environment of the kitchen, wherein the frying pan, the flat-bottomed oil smoke-proof metal plate, the gas stove, the ventilation device and the related devices are combined in a matched mode; the protective covers which are changed into the front and the back of the electric fan which rotate reversely are removed, so that the cleaning work of the exhaust fan is reduced, and the air exhaust effect of the exhaust fan is improved; the frame screen window covered by gauze or gauze kerchief is arranged on the outer side of the electric fan which is changed to rotate reversely and is adjacent to one side of the frying pan, so that the screen window can be replaced by the gauze or gauze kerchief which is easy to disassemble, and the electric fan is convenient to clean at any time. When the electric fan is used for cooking, the expected effect can be achieved by selecting the electric fan to rotate at a medium speed. The electric fan is selected to rotate at a high speed, the air suction effect of the electric fan is improved, and the frying cooking is carried out in the state, so that the diffusion of the generated harmful gas is effectively prevented.

Drawings

Figure 1 is a schematic view of a first set of solutions for improving the cooking environment in a kitchen with a fan mounted in a rectangular metal sleeve in the wall,

figure 2 is a front view of a second set of kitchen cooking environment improvement solutions for mounting a fan in a rectangular metal sleeve on a window sill,

figure 3 is a sectional view taken in the direction B-B of figure 2,

figure 4 is a sectional view taken along the line a-a of figure 2,

figure 5 is a cross-sectional view of the window of figure 2 opened in the direction a-a with the glazing rotated upwardly and downwardly inwardly and the glazing rotated upwardly and outwardly,

figure 6 is a third embodiment of the kitchen cooking environment improvement scheme for mounting a fan within a small rectangular metal sleeve on a window sill,

figure 7 is a cross-sectional view of a frying pan in combination with a pan-shaped fume resistant metal pan,

figure 8 is a front view of a flat bottom smoke resistant eyelet,

figure 9 is a top view of a flat bottom smoke resistant eyelet,

FIG. 10 is a cross-sectional view of a pan-shaped fume-resistant metal ring incorporating a heat absorbing metal sheet,

FIG. 11 is a cross-sectional view of the spherical-crown-shaped oil smoke-proof metal shell with the heat-absorbing metal sheet added in the frying pan with the outer contour of the spherical-crown-shaped pan bottom,

FIG. 12 is a cross-sectional view of the spherical-crown-shaped oil fume-proof metal ring with the heat absorbing metal sheet added in the frying pan with the outer contour of the spherical-crown-shaped pan bottom.

Description of reference numerals: 1. the kitchen range comprises a rectangular metal sleeve in a wall, 2. an exhaust fan, 3. a flat-bottom-shaped oil smoke prevention metal disc, 4. a flat-bottom frying pan, 5. a rectangular metal outer frame, 6. a rectangular metal windproof cover A, 7. a rectangular metal storage hanging cabinet, 8. two sliding doors, 9. a bolt 1, 10. a bolt 2, 11. a bolt 3, 12. a downward rotating glass door, 13. a left glass door A capable of rotating up and down, 14. a right glass door B capable of rotating up and down, 15. a metal sliding door A, 16. a kitchen range panel, 17. a gas stove cooking range head bracket, 18. a porcelain column lined with a metal pipe outside, 19. a movable stainless steel square pipe, 20. a framed screen window covered by gauze or gauze kerchief, 21. ceramic tiles, 22. two switch rotary buttons, 23. an outer wall; 24. the kitchen window comprises a rectangular metal sleeve on a windowsill, 25 parts of an outdoor rectangular metal sleeve, 26 parts of an outdoor rectangular metal outer frame, 27 parts of a rectangular metal outer frame, 28 parts of two metal doors B rotating in the horizontal direction, 29 parts of rectangular metal windproof covers B of two exhaust fans, 30 parts of a rectangular metal outer frame, 31 parts of an additional rectangular steel pipe A, 32 parts of a rectangular steel pipe A, 32 parts of two metal frame glass doors capable of rotating up and down, 33 parts of a rotating hinge c, 34 parts of a rectangular window frame at the top of the kitchen window adjacent to an outer wall, 35 parts of a rectangular steel pipe 1, 36 parts of a rectangular window frame adjacent to the inner wall of the kitchen, 37 parts of a rectangular steel pipe 2, 38 parts of a glass window rotating up and down inwards, 39 parts of a glass window rotating up and down outwards, 40 parts of a power socket and a switch box, 41 parts of a power socket and a switch box B; 42. outdoor small rectangular metal sleeve, 43, a metal frame glass door D capable of rotating up and down, 44, a triangular wind shield, 45, a lighting lamp, 46, a flat-bottom oil smoke-proof metal ring, 47, a heat-absorbing metal sheet 1, 48, a spherical-crown-shaped outline oil smoke-proof metal ring, 49, a frying pan with the outline of the spherical-crown-shaped pan bottom, 50, a spherical-crown-shaped outline oil smoke-proof metal shell, 51, a heat-absorbing metal sheet 2, 52, a heat-absorbing metal sheet 3, 53, a rectangular air supply channel made of transparent plastic and provided with a strip magnet, 54, door and window handles a, 55, door and window handles b, 56, door and window handles c, 57, an electric fan, 58, two glass windows capable of being opened in the horizontal direction, 59, a rotating hinge W, 60, a rectangular transparent top plate with toughened glass, 61, a rotating hinge a, 62, a rotating hinge b, 63, door and window handles W, 64, a crossbeam provided with the toughened glass and arranged at two ends of the rectangular transparent top plate with the toughened glass, 65. rectangular metal frame on windowsill, 66 rotary hinge Z, 67 heat absorbing metal sheets 4, 68 frames on both sides of indoor rectangular metal outer frame, 69 small rectangular metal sleeve on windowsill.

The utility model has the advantages that: compared with the traditional fume-free pot matched with the traditional smoke exhaust ventilator, the method for improving the cooking environment of the kitchen firstly realizes that the thermal efficiency of the frying pan is improved under the condition that the weight of the frying pan is obviously reduced, eliminates the generation and diffusion of oil smoke when food is fried in the frying pan, fried and fried in a traditional mode and cooked, prevents the diffusion of water-oil mixed gas and hot steam generated when the food is cooked, and effectively controls the diffusion of waste gas generated when a gas stove burns; the cooking fume exhauster has the advantages that the exhaust fan or the electric fan replaces the cooking fume exhauster in a kitchen, and due to the fact that the rectangular metal sleeve arranged on the windowsill and the additional rectangular air supply channel made of transparent plastic and additionally arranged at the lower end of the glass window rotating inwards up and down are adopted to convey flowing air downwards, the heat efficiency of cooking food can be improved to some extent under the condition that the air suction effect is improved by 5-10 times compared with that of a traditional high-power integrated stove. The method not only greatly reduces the investment and the power consumption of related equipment, but also obviously reduces the noise of the kitchen, purifies the environment of the kitchen and fully and reasonably utilizes the space of the kitchen; the number of the current families in China reaches 4.52 hundred million, the electricity consumption cost of the kitchen range hood is reduced by 10 yuan per year, the annual depreciation cost of the kitchen range hood is 80 yuan, the edible oil loss during cooking is saved by 5 yuan, the cost for scrubbing the range hood is saved by 25 yuan, the annual cost of each family is saved by 120 yuan, and the method for improving the cooking environment of the kitchen can produce remarkable economic benefit when being widely applied.

The specific implementation mode is as follows:

the first set of solutions for improving the cooking environment in the kitchen in the above "method for improving the cooking environment in the kitchen" comprises: selecting a metal storage hanging cabinet right above a kitchen cooking bench and three vertically-placed rotary glass doors to separate the upper part of a panel of the gas stove cooking bench into an independent space and installing an exhaust fan, wherein the specific implementation scheme is determined by firstly determining the position of drilling a rectangular hole on the wall surface of an outer wall of a kitchen and above the kitchen cooking bench, firmly and stably supporting an adjacent window by using a steel structure frame before drilling, increasing the bearing capacity of the wall body, and after the rectangular hole is drilled, arranging a rectangular metal sleeve containing an outer frame in the rectangular hole, wherein the integral compressive strength and the anti-deformation strength of the rectangular metal sleeve are greater than the standard requirements of the original building wall body, and the rectangular metal sleeve fixed in the wall body has the antirust and antioxidant capacity; the rectangular metal sleeve with the outer frame is provided with a rectangular wind-shielding metal cover with a lower opening at the outdoor position, the rectangular metal cover has the functions of wind prevention and rain prevention, and the ventilation area at the lower opening of the rectangular wind-shielding metal cover is larger than the area of the maximum diameter of the fan blades of the exhaust fan and the electric fan when the fan blades rotate.

Example 1, a frying pan made of Q235 carbon steel with the weight of 1605 g and the inner diameter of the top end of the pan mouth of 32cm, the maximum outer diameter of the oil fume-proof metal ring matched with the bottom of a frying pan is 239mm, the inner diameter of a central vacant part is 95mm, and the average wall thickness is 580 g/m, the frying pan and the oil fume-proof metal ring are two separable independent bodies, the oil fume-proof metal ring is placed on a gas stove burner support of an adjacent exhaust fan, the frying pan is placed on the oil fume-proof metal ring, the vertical distance from the lowest endpoint of the rotation track of the fan blade of the exhaust fan to the horizontal plane where the top of the upper opening of the frying pan is located is 120mm, the vertical distance from the closest point of the top of the upper opening of the frying pan to the plane where the fan blade shield of the exhaust fan is located is 50mm, the input power of the exhaust fan is 50W, the rotation diameter of the fan blade is 300mm, and the air volume is 14.5 cubic meters/m/min; the metal storage cabinet is arranged above a cooking bench of the gas stove, a rotary door rotating downwards is arranged below the storage cabinet, the rotary door is opposite to the exhaust fan when rotating from a horizontal state to a vertical state by 90 degrees, and two rotary doors rotating downwards are arranged outside a sliding door of the kitchen storage cabinet. The gas stove is started to be on big fire, the gas meter displays that the gas consumption per minute is 0.0076 cubic meters, and the room temperature of the kitchen is 25 ℃; placing a stir-frying pan with the weight of 1605 g and a metal ring which is placed on a gas stove cooking range bracket and has the weight of 580 g and is capable of preventing oil smoke, pouring 200mL of first-class soybean oil after the stir-frying pan is opened with big fire for 10 seconds, heating the oil to 200 ℃ when the oil is heated for 150 seconds, placing the frozen potato chips into the frying pan, continuously keeping the stir-frying pan opened with big fire for frying for 10 minutes until the potato chips become golden yellow, and at the moment, heating the oil to 170 ℃, and preventing oil smoke from being generated in the whole frying process; at the moment, the highest temperature of the protective cover of the exhaust fan is 45 ℃, and then the frozen potato chips are put into the protective cover to be continuously fried; reducing the addition amount of soybean oil added into the frying pan by adopting the frying pan and the oil smoke prevention metal ring, adding 40mL of first-class soybean oil after the frying pan is heated for 10 seconds by strong fire, and heating the oil to 200 ℃ when the oil temperature is increased to 120 seconds; the energy-saving environment-friendly cooker and related devices are continuously used from 2016, the exhaust fans are scrubbed once a month, one exhaust fan is continuously used for four years, and under the condition that cooking in a kitchen is met, the problems of oil smoke and pollution in the kitchen are solved; the effect of increasing the input power and the exhaust volume of the exhaust fan is more obvious.

Embodiment 2, adopt the frying pan that the top end internal diameter of pot mouth is 30cm for 1030 grams of weight, Q235 carbon steel material makes, the maximum external diameter that is coincident with the frying pan bottom is 210mm, the central vacancy internal diameter is 105mm, the weight of the metal loop weight of preventing oil smoke 270 grams/piece that the average wall thickness is 1.7mm, frying pan and metal loop weight of preventing oil smoke are two can separate independent bodies, prevent oil smoke metal loop and put on the gas range burner support of the exhaust fan more than adjacent, frying pan puts on prevent oil smoke metal loop, the vertical distance of the top of upper mouth of frying pan and exhaust fan flabellum rotating the lowest end is 120mm, the top of upper mouth of frying pan and exhaust fan flabellum horizontal nearest distance of shield are 50mm, the input power of the exhaust fan is 50W, the rotating diameter of the flabellum is 300mm, 14.5 cubic meters/minute blast volume; the metal storage cabinet is arranged above a cooking bench of the gas stove, a rotary door rotating downwards is arranged below the storage cabinet, the rotary door is opposite to the exhaust fan when rotating from a horizontal state to a vertical state by 90 degrees, and two rotary doors rotating downwards are arranged outside a sliding door of the kitchen storage cabinet. The gas stove is started to be on big fire, the gas meter displays that the gas consumption per minute is 0.0076 cubic meters, and the room temperature of the kitchen is 25 ℃; placing a frying pan with the weight of 1030 g and a grease proofing metal ring with the weight of 270 g on a gas stove burner bracket, pouring 200mL of first-class soybean oil after the gas stove burner bracket is fired for 10 seconds, heating the mixture to 90 seconds, stopping the fire, keeping the oil temperature at 170 ℃, and continuously increasing the oil temperature to 200 ℃ after the gas stove burner bracket is stopped for 30 seconds; under the other conditions, only a Q235 carbon steel wafer with the same diameter and thickness of 105mm is embedded at the position with the inner diameter of 105mm of the central vacant part of the oil smoke prevention metal ring, 200mL of first-class soybean oil is poured into the position with the inner diameter of 105mm after the position is fired for 10 seconds, the temperature of oil rises to 170 ℃ when the position is heated to 150 seconds, the temperature of oil rises to 220 ℃ continuously when the position is fired for 30 seconds, the oil smoke prevention metal ring is changed into an oil smoke prevention metal disc and is also heated to 170 ℃, the time is prolonged by 60 seconds, more heat is absorbed and stored by the oil smoke prevention metal disc and a frying pan, and the oil smoke prevention effect of changing the oil smoke prevention metal ring into the oil smoke prevention metal disc is more remarkable.

Example 3, at a kitchen room temperature of 25 ℃, a double-layer stainless steel steamer with a diameter of 27cm is adopted to steam steamed bread on a cooking range adjacent to an exhaust fan, the upper port of the second layer of the steamer is flush with the vertical height of the lowest end of a rotating fan blade of the exhaust fan, the horizontal distance between the steamer and the exhaust fan is 70mm, the gas stove is boiled by strong fire for 4 minutes and 30 seconds, the temperature of the highest point of the protective cover of the exhaust fan is 38 ℃, the temperature reaches 55 ℃ when the fire is started for 6 minutes, and the temperature is kept at 55 ℃ when the strong fire is continuously started for heating for 20 minutes; placing a steamer on a gas stove burner far away from an exhaust fan, wherein the upper port of the second layer of the steamer is flush with the vertical height of the lowest end of a rotating fan blade of the exhaust fan, the closest horizontal distance between the steamer and the exhaust fan is 480mm, the gas stove is opened with big fire for 4 minutes and 30 seconds, water in the steamer boils, the temperature of the highest point of the temperature of a protective cover of the exhaust fan is 30 ℃, the highest point reaches 36 ℃ when the gas stove is opened with big fire for 6 minutes, and the highest point is still kept at 36 ℃ when the gas stove is continuously opened with big fire for heating for 20 minutes; therefore, when the food is cooked by the strong fire for a long time, the working temperature of the exhaust fan can be reduced by using the gas stove cooking range far away from the exhaust fan.

Example 4, at a kitchen room temperature of 25 ℃, a frying pan made of Q235 carbon steel with a weight of 1605 g, a pan mouth top inner diameter of 30cm, an inner contour of a flat-bottomed oil-smoke-proof metal ring fitted with an outer contour of a frying pan bottom, a maximum outer diameter of the flat-bottomed oil-smoke-proof metal ring of 239mm, a central vacant inner diameter of 95mm, and an average wall thickness of 2mm, was weighed 580 g/piece, the frying pan and the flat-bottomed oil-smoke-proof metal ring were two separable independent bodies, the flat-bottomed oil-smoke-proof metal ring was placed on a gas range head of an adjacent exhaust fan, the frying pan was placed on the oil-smoke-proof metal ring, a vertical distance from a top of an upper mouth of the frying pan to a lowest end of a fan blade rotation was 120mm, a horizontal closest distance from the top of the upper mouth of the frying pan to a fan blade guard was 50mm, and an exhaust fan input power was 50W, the rotating diameter of the fan blade is 300mm, and the air quantity is 14.5 cubic meters per minute; the gas stove is turned on, and the gas meter displays that the gas consumption per minute is 0.0076 cubic meters; placing a frying pan with the weight of 1605 g and a flat-bottomed smoke-proof metal ring with the weight of 580 g on a gas stove head adjacent to an exhaust fan, pouring 200mL of first-class soybean oil after opening a big fire for 10 seconds, heating the oil to 150 seconds, raising the temperature of the oil to 200 ℃, keeping the highest temperature of a shield of the exhaust fan at 30 ℃, placing 300 g of sweet potato slices in the oil pan, lowering the temperature of the oil, continuing to open the big fire for heating for 4 minutes and 5 seconds, keeping the highest temperature of the shield of the exhaust fan at 36 ℃, continuously keeping the big fire for frying, keeping the highest temperature of the shield of the exhaust fan at 50 ℃ along with the increase of water vapor at 6 minutes, continuously keeping the sweet potato slices fried to be golden yellow when opening the big fire for frying for 8 minutes, stopping the fire, raising the oil temperature to 175 ℃, and keeping the highest temperature of the shield of the exhaust fan at 45 ℃ because of the decrease of the water vapor.

The second set of solutions for improving the cooking environment in the kitchen in the above "method for improving the cooking environment in the kitchen" is: the height of the window sill of the kitchen outer wall window is adjusted by selecting and changing, a rectangular metal frame made of rectangular steel pipes is arranged and fixed on the upper surface of the wall body where the plane of the window sill of the kitchen outer wall window is located after being changed, and is welded, a rectangular metal sleeve on the window sill is arranged, the kitchen original window is replaced by the rectangular metal sleeve on the window sill, a glass window which is additionally arranged at the upper end of the rectangular metal sleeve and rotates outwards and upwards and downwards and a glass window which rotates inwards and upwards and downwards, a gas stove is placed at the position on the window sill of the kitchen outer wall window after being changed and adjusted, because the rectangular metal sleeve on the window sill and the glass window which rotates inwards and upwards and downwards are additionally provided with an additional rectangular channel or an additional air supply curtain made of transparent plastics at the lower end of the rectangular metal sleeve and the additional air supply curtain made of transparent plastics are equal in width to two metal glass frame doors capable of rotating upwards and downwards, an air curtain shielding effect is formed. Adopt above-mentioned second set to improve the scheme of kitchen culinary art environment, when the state of four times of the effect of the induced air of exhaust fan has been improved, the thermal efficiency of cooking food with the frying pan does not reduce, and the noise when comparing traditional smoke ventilator work obviously reduces, and the culinary art environment in kitchen has obtained further improvement.

Example 5, the second set of solutions for improving the cooking environment in the kitchen, using the above "method for improving the cooking environment in the kitchen" was: on a gas stove support arranged in a rectangular metal sleeve on a window sill of a kitchen outer wall window after being changed and adjusted, a frying pan made of Q235 carbon steel with the weight of 1605 g and the inner diameter of the top end of a pan opening of 32cm is adopted, the weight of an oil smoke-proof metal ring with the maximum outer diameter of 239mm, the inner diameter of a central vacant part of 95mm and the average wall thickness of 2mm is 580 g/piece, the frying pan and the oil smoke-proof metal ring are two separable independent bodies, the oil smoke-proof metal ring is arranged on a gas stove head support of an adjacent exhaust fan, the frying pan is arranged on the oil smoke-proof metal ring, the vertical distance from the lowest endpoint of the rotation track of an exhaust fan blade to the horizontal plane where the top of the upper opening of the frying pan is positioned is 120mm, the vertical distance from the closest endpoint of the top of the upper opening of the frying pan to the plane where the exhaust fan blade is positioned is 50mm, the input power of the exhaust fans is 50W, the rotation diameter of the fan blades is 300mm, the air volume is 14.5 cubic meters per minute, two exhaust fans with the input power of 50W are installed in the kitchen cooking bench arranged on the windowsill, the two exhaust fans are arranged side by side, shutter baffles of the exhaust fans are removed from the two exhaust fans, and only 4-6 supporting rods are reserved on fan blade protection covers of the exhaust fans; a movable baffle is additionally arranged between two exhaust fans which are arranged in a rectangular metal sleeve arranged on a windowsill and are arranged on a gas stove top panel in parallel at the position on the windowsill of a kitchen outer wall window after being changed and adjusted, the height of the movable baffle additionally arranged between the two exhaust fans is equal to the height from the top of the gas stove top panel to the top of the inner side of the rectangular metal sleeve arranged on the windowsill, the outer end of the movable baffle additionally arranged between the two exhaust fans is flush with the indoor port of the rectangular metal sleeve arranged on the windowsill, and the movable baffle additionally arranged between the two exhaust fans completely separates two gas stove heads; rotating the metal frame glass door which can rotate up and down on the left side by 180 degrees and being vertical to the ground, opening the rotating metal door on the left side in the rectangular metal outer frame of the exhaust fan which is closed on the left side, opening the exhaust fan on the left side to exhaust air to the outside, opening the glass window which rotates up and down inwards and the glass window which rotates up and down outwards, connecting an additional rectangular air supply channel made of transparent plastic to the left side of the lower end of the glass window which rotates up and down inwards by using transparent adhesive tape, and transmitting flowing air downwards along the additional rectangular air supply channel made of transparent plastic which is additionally arranged at the lower end of the right side or the left side of the glass window which rotates up and down inwards under the action of air sucked by the exhaust fan, so as to form an air curtain shield and move towards the exhaust fan, wherein the suction length is 75cm when the horizontal plane of the top of the upper opening of the frying pan is tested, the distance for sucking the dry towel with the width of 35cm and the weight of 85 g is increased from 20cm to 110cm under the condition of starting an exhaust fan with the power of 50 watts, which is equivalent to the improvement of the air suction effect by 4.5 times; 350mL of water is put into the frying pan on the cooking range bracket on the left side of the gas stove in the state, the cooking range on the left side of the gas stove is started to boil the water with big fire, and under the condition that the exhaust fan is started, the time for boiling 350mL of water is approximate to the time for boiling 350mL of water under the same condition that the exhaust fan is not started.

Example 6, the second set of solutions for improving the cooking environment in the kitchen using the above "method for improving the cooking environment in the kitchen" is: the position on the window sill of the modified and adjusted kitchen outer wall window adopts a gas stove bracket arranged in a rectangular metal sleeve on the window sill, a spherical-crown-shaped profile oil smoke prevention metal ring is placed, the inner profile of the spherical-crown-shaped profile oil smoke prevention metal ring is matched with the outer profile of the bottom of a frying pan body with the outer profile of a spherical-crown-shaped pan bottom, the frying pan body with the outer profile of the spherical-crown-shaped pan bottom is made of a steel plate with the average wall thickness of 1.15mm, the diameter of a pan opening is 30.5mm, the total weight of the spherical-crown-shaped frying pan is only 1006 g, the inner profile of the spherical-crown-shaped frying pan body is in a spherical crown shape, and the radius of the inner profile is 170 mm; the diameter of the upper opening of the spherical-crown-shaped oil smoke prevention metal ring is 198mm, the diameter of the lower opening of the spherical-crown-shaped oil smoke prevention metal ring is 113mm, the average wall thickness of the spherical-crown-shaped oil smoke prevention metal ring is 4.2mm, and the weight of the spherical-crown-shaped oil smoke prevention metal ring is 658 g/piece; the room temperature of the kitchen is 25 ℃, the gas stove is turned on to be on big fire, and the gas meter displays that the gas consumption is 0.0076 cubic meters per minute; placing a frying pan with 1006 g of spherical-crown-shaped pan bottom outer contour and a spherical-crown-shaped contour oil smoke prevention metal ring with 658 g of weight on a gas stove burner bracket, after the fire is opened for 10 seconds, pouring 200mL of primary soybean oil into the pan, continuously heating the oil to 150 ℃ when the oil is heated for 150 seconds, continuously heating the oil to 200 ℃ when the oil is heated for 200 seconds, completely preventing oil smoke from generating, placing 300 g of frozen potato strips into the oil pan, continuously frying the potato strips for 9 min and 30 seconds by keeping the fire open, then turning the potato strips into golden yellow, and at the moment, heating the oil in the pan to 150 ℃ and preventing oil smoke from generating in the whole frying process; at the moment, the highest temperature of the protective cover of the exhaust fan is 45 ℃, and then the frozen potato chips are put into the protective cover to be continuously fried; by adopting the frying pan with the outer contour of the spherical-crown-shaped pan bottom and the oil smoke prevention metal ring with the spherical-crown-shaped contour, the adding amount of soybean oil added into the frying pan is reduced, 40mL of first-class soybean oil is added into the pan after the pan is fired for 10 seconds, the oil temperature in the pan is 100 ℃ when the pan is fired for 60 seconds, the oil temperature in the pan is 140 ℃ when the pan is fired for 90 seconds, the oil temperature in the pan is increased to 210 ℃ when the pan is continuously heated for 130 seconds, and no oil smoke is generated; the frying pan with proper weight and specification is selected according to the habit and the requirement of each family, the matched metal rings are selected to be matched for use, the requirement that the household does not produce oil smoke during normal frying is completely met, and because the rectangular metal sleeve arranged on the windowsill and the additional rectangular air supply channel or the additional air supply curtain made of transparent plastic are additionally arranged at the lower end of the glass window which rotates inwards upwards and downwards to convey flowing air downwards, the exhaust fan or the electric fan replaces the range hood of the kitchen, the problems of oil smoke, pollution and related ventilation generated during cooking of the kitchen are solved by adopting a simple and effective method.

The three solutions for improving the cooking environment of the kitchen in the above "method for improving the cooking environment of the kitchen" take the inner wall of the window of the kitchen as an example with a width of 92.5cm and a height of 152.5cm, and with three glass sheets, wherein two glass sheets can be opened below, as the condition that the exhaust fan or the electric fan replaces the range hood of the kitchen: when the first set of scheme and the third set of scheme are adopted, the lighting area of the kitchen window glass is not affected, and the lighting area of the kitchen window glass is reduced by 23% by the second set of scheme; the ventilation effect of the kitchen adopting the first set of scheme is equal to the air suction effect of a few traditional high-power integrated cookers with the power of more than or equal to 280 watts and the air volume of 22 cubic meters per minute; when the second set of scheme and the third set of scheme are adopted, the ventilation effect of the kitchen is improved by 5-10 times compared with the air suction effect of a small number of high-power integrated cookers, and the cooking environment of the kitchen is improved to produce a remarkable effect.

Claims (10)

1. The utility model provides an improve device of kitchen culinary art environment, the device of improving kitchen culinary art environment is frying pan (4) by the flat frying pan of steel material manufacturing, grease proofing cigarette metal disc (3) of flat form, a gas-cooker, ventilation device and relevant device use the combination of mutually supporting, characterized by has drilled a rectangle hole on the outer wall (23) of the left surface of kitchen top of a kitchen range, set up rectangle metal sleeve (1) in the wall that contains rectangle metal outer frame (5) in the rectangle hole, rectangle metal outer frame (5) adopt the rectangle steel pipe preparation, rectangle metal sleeve (1) adopts the steel sheet preparation in the wall, rectangle metal sleeve (1) and rectangle metal outer frame (5) in the wall interior profile parallel and level, the outline of rectangle metal outer frame (5) is greater than the outside arch of rectangle metal sleeve (1) in the wall, the whole compressive strength and the anti deformation intensity of rectangle metal sleeve (1) all are greater than the standard of former building wall body in this wall will be greater than The rectangular metal sleeve (1) in the wall, which is fixed in the wall and contains the rectangular metal outer frame (5), has antirust and antioxidant capacity, the rectangular metal sleeve (1) in the wall and the rectangular metal outer frame (5) are welded into a whole, the exhaust fan (2) is arranged after the ceramic tiles (21) are built on the upper, lower, left and right four surfaces in the rectangular metal sleeve (1) in the wall containing the rectangular metal outer frame (5), a metal sliding door A (15) is arranged on the rectangular metal outer frame (5) bearing the exhaust fan (2) to seal the exhaust fan (2), grooves are arranged at the edges of three surfaces of the metal sliding door A (15) to cover the rectangular metal outer frame (5) bearing the exhaust fan (2), the outer side surface of the metal sliding door A (15) arranged on the rectangular metal outer frame (5) is flush with the wall surface of the ceramic tiles in the kitchen, a cuboid metal windproof cover A (6) which is fixed on an outer wall (23) and is opened downwards is arranged at the outdoor position of the rectangular hole, the cuboid metal windproof cover A (6) which is fixed on the outer wall (23) and is opened downwards shields the rectangular hole drilled on the kitchen outer wall (23), an air outlet is reserved only at the lower end of the cuboid metal windproof cover A (6), the area of the lower opening of the cuboid metal windproof cover A (6) which is fixed on the outer wall (23) at the outdoor position of the rectangular hole is larger than 70% of the area of the maximum rotating diameter when the fan blade of the exhaust fan (2) rotates, the edge of a left cooking bench of the kitchen cooking bench is compared with a ceramic tile where a metal sliding door A (15) arranged on an adjacent rectangular metal outer frame (5) is arranged, a power socket and a switch box a (40) are arranged on the right side below the metal sliding door A (15); a cuboid metal storage hanging cabinet (7) which is fixed on the wall and is provided with two sliding doors (8) and three glass doors capable of rotating up and down is arranged at the corner right above the kitchen cooking bench, a glass door (12) rotating downwards is arranged under the cuboid metal storage hanging cabinet (7) right above the kitchen cooking bench, a rotating hinge Z (66) of the glass door (12) rotating downwards is arranged on one side of the lower end of the cuboid metal storage hanging cabinet (7) far away from the exhaust fan (2), the glass door is opposite to the exhaust fan (2) when the glass door rotates 90 degrees anticlockwise from a horizontal state to a vertical state, when the glass door (12) which rotates downwards under the cuboid metal storage hanging cabinet (7) right above the kitchen cooking bench rotates clockwise to a horizontal state, the glass door is fixed under the cuboid metal storage hanging cabinet (7) right above the kitchen cooking bench by the bolt (1), (9) to limit the rotation of the glass door; when the glass door A (13) with the left side capable of rotating up and down and the glass door B (14) with the right side capable of rotating up and down are arranged outside the two sliding doors (8) of the cuboid metal storage hanging cabinet (7) right above the kitchen cooking bench, the glass door A (13) with the left side capable of rotating up and down and the glass door B (14) with the right side capable of rotating up and down arranged outside the two sliding doors (8) of the cuboid metal storage hanging cabinet (7) right above the kitchen cooking bench are respectively fixed and limited to rotate by two bolts 3(11) and 2(10) when the two sliding doors (8) are rotated up to a vertical state, the glass door A (13) with the left side capable of rotating up and down and the glass door B (14) with the right side capable of rotating up and down arranged outside the two sliding doors (8) of the cuboid metal storage hanging cabinet (7) right above the kitchen cooking bench are rotated down to a vertical state, two switch knobs (22) on a gas stove top panel (16) are covered under a cuboid metal storage hanging cabinet (7) right above a kitchen top, and the cuboid metal storage hanging cabinet (7) right above the kitchen top and three vertically-arranged glass doors capable of rotating up and down isolate the upper part of the gas stove top panel (16) into an independent space; because the cooking bench is arranged adjacent to the exhaust fan (2), in order to facilitate the operation during cooking, in the glass door A (13) which is arranged outside the two sliding doors (8) of the cuboid metal storage hanging cabinet (7) right above the cooking bench and can rotate up and down on the left side and the glass door B (14) which can rotate up and down on the right side, the width of the glass door A (13) which can rotate up and down on the left side adjacent to the exhaust fan (2) is smaller than that of the glass door B (14) which can rotate up and down on the right side of the other exhaust fan; when dishes are fried, the glass door (12) which rotates downwards and is opposite to the exhaust fan (2) rotates anticlockwise to a vertical state from a horizontal state below a cuboid metal storage hanging cabinet (7) right above a kitchen range, a gap below the glass door is sealed by a movable stainless steel square tube (19), a metal sliding door A (15) on a rectangular metal frame (5) of the exhaust fan (2) is opened, the exhaust fan (2) is opened to exhaust outwards, then the glass door A (13) which is arranged outside the metal sliding door A (15) of the cuboid metal storage hanging cabinet (7) right above the kitchen range and can rotate up and down compared with the left side of an adjacent exhaust fan (2) opens a bolt (3) (11) to rotate downwards by 180 degrees to the vertical state, and when two sliding doors (8) of the cuboid metal storage hanging cabinet (7) right above the kitchen range and the left side of the adjacent fan (2) and can rotate up and down compared with the glass door A (13) which can rotate up and down, the lower end of a glass door A (13) with the left side capable of rotating up and down is adjacent to a gas stove top panel (16); when two sliding doors (8) of a cuboid metal storage hanging cabinet (7) right above a kitchen cooking bench are downwards rotated 180 degrees to be vertical than a glass door A (13) capable of rotating up and down of an adjacent exhaust fan (2), the left side surface of the glass door A (13) capable of rotating up and down on the left side is compared with a metal sliding door A (15) on a rectangular metal frame (5) of the adjacent exhaust fan (2), the lower end surface of the cuboid metal storage hanging cabinet (7) right above the kitchen cooking bench is higher than the top end of the metal sliding door A (15) on the rectangular metal frame (5) of the exhaust fan (2), the distance between the bottom of the cuboid metal storage hanging cabinet (7) right above the kitchen cooking bench and a gas stove panel (16) is 59-69 cm, the flat-bottom-shaped smoke-proof metal disc (3) is placed on a gas stove head bracket (17) of the gas stove adjacent exhaust fan (2), the frying pan (4) is placed on the flat-bottomed oil smoke prevention metal plate (3), the vertical distance from the lowest endpoint of the rotation track of the fan blades of the exhaust fan (2) to the horizontal plane where the top of the upper opening of the frying pan (4) is located is 120mm, the vertical distance from the top of the upper opening of the frying pan (4) to the nearest point of the fan blade shield of the exhaust fan (2) to the plane where the fan blade shield of the exhaust fan (2) is located is 50mm, the flat-bottomed oil smoke prevention metal plate (3) and the frying pan (4) are two separable independent components, the inner contour of the flat-bottomed oil smoke prevention metal plate (3) is matched with the outer contour of the bottom of the frying pan (4), and the flat-bottomed oil smoke prevention metal plate (3) is placed on a support (17) of a gas stove head of a kitchen adjacent fan (2); three rotary glass doors vertically placed below the cuboid metal storage hanging cabinet (7) right above the kitchen cooking bench completely surround the space above the panel of the whole gas cooking bench in a corner adjacent to the exhaust fan (2), the exhaust fan (2) is started to suck out waste gas generated during combustion of the gas cooking bench and oil smoke gas mixture generated in a wok during cooking, and particularly when food is cooked in summer, the three rotary glass doors vertically placed below the cuboid metal storage hanging cabinet (7) right above the kitchen cooking bench effectively prevent high-temperature steam from diffusing in a kitchen; in order to reduce the heat loss generated by the gas stove, 5-7 porcelain columns (18) of outer lining metal tubes connected with the gas stove burner support (17) are arranged at the lower end of the gas stove burner support (17), and the heat dissipation of the lower end of the gas stove burner support (17) to a gas stove top panel (16) is effectively slowed down by the porcelain columns made of nonmetal materials and protruding in the outer lining metal tubes connected with the gas stove burner support (17).

2. The device for improving the cooking environment of the kitchen according to claim 1, wherein the device for improving the cooking environment of the kitchen is formed by mutually matching and combining a frying pan (4) made of steel materials, a flat smoke-proof metal plate (3), a gas stove, a ventilation device and related devices, the structure is characterized in that the height of a window sill of a kitchen outer wall window is changed and adjusted, a gas stove is placed at the position on the changed and adjusted window sill of the kitchen outer wall window, the height of a gas stove top panel (16) placed after the height of the kitchen outer wall window sill is changed and adjusted is the same as that of a traditional kitchen gas stove top panel, two switch knobs (22) on the gas stove top panel (16) are adjacent to the edge of the inner side of the kitchen window sill, and the lower end part of an original kitchen window is changed into a structure for placing the position of the kitchen gas stove top and an operation space; after the horizontal height of an external wall window windowsill is changed and adjusted in a kitchen, a rectangular metal frame (65) on the windowsill, which is made of rectangular steel pipes, is horizontally arranged on the upper surface of a wall body where the plane of the changed kitchen external wall window windowsill is positioned, the rectangular metal frame is welded on the upper surface of the windowsill, a rectangular metal sleeve (24) on the windowsill is arranged, the outer walls of the two sides of the rectangular metal sleeve (24) on the windowsill are adjacent to the walls of the left side and the right side of the kitchen windowsill, the width of the rectangular metal sleeve (24) on the windowsill is equal to the width of the inner wall of the kitchen window windowsill, the bottom surface inside the rectangular metal sleeve (24) on the windowsill is a rectangular workbench, the depth dimension of the rectangular metal sleeve (24) on the windowsill is equal to the width dimension of a workbench for placing a gas stove panel in a traditional kitchen, and a gas stove is placed on the rectangular workbench at the bottom end inside the rectangular metal sleeve (24) on the windowsill, the distance between the surface of a cooking bench panel for placing a gas stove on a rectangular workbench at the bottom end inside a rectangular metal sleeve (24) arranged on a windowsill and the top end inside the rectangular metal sleeve arranged on the windowsill is 69cm, an outdoor rectangular metal outer frame (26) is arranged and welded at the outdoor end part of the rectangular metal sleeve (24) arranged on the windowsill, an outdoor rectangular metal outer frame (26) is arranged and welded inside the outdoor rectangular metal outer frame (26), the outdoor rectangular metal sleeve (25) prolongs the depth dimension of the rectangular metal sleeve (24) arranged on the windowsill, the width of the inner side of the outdoor rectangular metal sleeve (25) is the same as the width of the inner side of the rectangular metal sleeve (24) arranged on the windowsill, a fan or an electric fan can be placed at the height of the inner side of the outdoor rectangular metal sleeve (25), and the exhaust depth of the outdoor rectangular metal sleeve (25) can meet the distance of the width of the fan, two exhaust fans (2) are closely arranged in parallel in an outdoor rectangular metal sleeve (25), the horizontal distance between the outermost end of the inner side top of the outdoor rectangular metal sleeve (25) and the innermost end of the inner side top of a rectangular metal sleeve (24) on a set window sill is 92-107 cm, a gas stove is arranged on a ceramic tile built on a rectangular working platform at the inner bottom end of the rectangular metal sleeve (24) on the set window sill, two flat smoke-proof metal discs (3) are arranged on two gas stove burner supports (17), two flat frying pans (4) are arranged on the two flat smoke-proof metal discs (3), the distances from the lowest end points of the rotating tracks of fan blades of the two exhaust fans (2) to the vertical direction of the horizontal plane where the top parts of the upper openings of the two flat frying pans (4) are 120mm, the closest point of the top openings of the two flat frying pans (4) to the fan blade shields of the two exhaust fans (2) is to the two fan blade shields (2) The vertical distance of the plane is 50 mm-200 mm, two metal doors B (28) rotating in the horizontal direction are arranged in a rectangular metal sleeve (24) arranged on a windowsill to seal two exhaust fans (2) in an outdoor rectangular metal sleeve (25), except that the reserved space for placing the two exhaust fans (2) in the outdoor rectangular metal sleeve (25) arranged in the outdoor rectangular metal outer frame (26) can be communicated indoors and outdoors, the parts on the vertical plane where the two metal doors B (28) rotating in the horizontal direction for sealing the two exhaust fans (2) are positioned when in the closed state, below the top of the outdoor rectangular metal sleeve (25) to the bottom end inside the rectangular metal sleeve (24) arranged on the windowsill are all sealed by stainless steel plates, a rectangular metal outer frame (27) containing the two exhaust fans (2) is arranged inside one end of the outdoor rectangular metal sleeve (25) for placing the two exhaust fans (2) indoors, the inner side of a rectangular metal outer frame (27) containing two exhaust fans (2) is flush with the inner side of an outdoor rectangular metal sleeve (25), two metal doors B (28) rotating in the horizontal direction are arranged on the inner side of the rectangular metal outer frame (27) containing the two exhaust fans (2) to seal the two exhaust fans (2), the two metal doors B (28) rotating in the horizontal direction are adjacently arranged on the inner walls of the left side and the right side of a rectangular metal sleeve (24) on a window sill after being opened, and a power socket and a switch box B (41) are arranged on the lower left side of the rectangular metal outer frame (27); the rectangular metal windproof cover B (29) of two exhaust fans with downward openings is arranged at one end of the air outlet of the outdoor two exhaust fans (2) of the outdoor rectangular metal sleeve (25), the rectangular metal windproof covers B (29) of the two exhaust fans with downward openings fixed on the outer wall only have air outlets at the lower ends, the area of the lower openings of the rectangular metal windproof covers B (29) of the two exhaust fans (2) with downward openings is larger than 70% of the area twice of the maximum rotating diameter when the fan blades of the exhaust fans (2) rotate, and the distance from the end face, farthest from the kitchen outer wall, of the rectangular metal windproof cover B (29) of the two exhaust fans (2) with downward openings to the kitchen outer wall is 40-55 cm; an indoor rectangular metal outer frame (30) made of rectangular steel pipes is arranged and welded at the indoor end part of a rectangular metal sleeve (24) arranged on a windowsill, and the upper, lower, left and right inner side surfaces of the indoor rectangular metal outer frame (30) are adjacent to the outer side surface of the rectangular metal sleeve (24) arranged on the windowsill; the outer end face of the indoor rectangular metal outer frame (30) is flush with the inner wall of a kitchen windowsill, a rectangular steel pipe A (31) is additionally arranged and welded at the lower end of the indoor rectangular metal outer frame (30), the top face of the rectangular steel pipe A (31) is additionally arranged and welded at the lower end of the indoor rectangular metal outer frame (30), the height of the top face of the rectangular steel pipe A (31) is the same as the height of the upper surface of a placed gas stove top panel (16), the rectangular steel pipe A (31) is additionally arranged and welded at the lower end of the indoor rectangular metal outer frame (30), and the lower end part of the indoor rectangular metal outer frame (30) below the rectangular steel pipe A (31) is sealed by a welded stainless steel plate; two metal frame glass doors (32) capable of rotating up and down are additionally arranged at the lower end of an indoor rectangular metal outer frame (30) and welded on the upper end face of a rectangular steel pipe A (31) and the inner side face of the indoor rectangular metal outer frame (30), when the two metal frame glass doors (32) capable of rotating up and down are in a closed state, rotating hinges c (33) of the two metal frame glass doors (32) capable of rotating up and down are arranged below the two metal frame glass doors (32) capable of rotating up and down, and the two metal frame glass doors (32) capable of rotating up and down can completely seal the space above a gas stove working panel to form an independent space; a rectangular window frame (34) which is directly communicated with the top of the kitchen window and is adjacent to the outer wall is arranged at the outdoor outlet position at the top of the rectangular metal sleeve (24) arranged on the windowsill; in order to improve the lighting effect of the kitchen window, the top of a rectangular metal sleeve (24) on a windowsill is hollowed out and additionally provided with a rectangular light-transmitting top plate (60) with toughened glass, two ends of the inner side of the rectangular light-transmitting top plate (60) with the toughened glass are provided with cross beams (64) for bearing the toughened glass, a rectangular steel pipe used by a lower cross beam of a rectangular window frame (34) at the top of the kitchen window adjacent to an outer wall and a rectangular steel pipe used by a middle cross beam with the toughened glass on the rectangular light-transmitting top plate (60) at the lower end are the same rectangular steel pipe No. 2 (37) in common, and the outer end face of the rectangular window frame (34) at the top of the kitchen window adjacent to the outer wall is flush with the outer wall face of the kitchen; set up one in kitchen window top than the rectangle window frame (34) of adjacent outer wall and can outwards rotatory glass window (39) from top to bottom, the rotatory hinge b (62) of above-mentioned rotatory glass window (39) from top to bottom sets up the top at this rotatory window, the indoor port position in top that sets up rectangle metal sleeve (24) on the windowsill has set up one and has led to rectangle window frame (36) of kitchen window top than adjacent kitchen interior wall, the rectangle window frame (36) outer end of kitchen window top than adjacent kitchen interior wall is with the kitchen interior wall parallel and level, in order to improve the daylighting effect of kitchen window, the rectangle steel pipe that the used of the bottom end rail of the rectangle window frame (36) of kitchen interior wall and the rectangle metal outer frame (30) of its lower extreme used the same rectangle steel pipe number 1 (35) of sharing, set up one can inwards rotatory from top to bottom inside the rectangle window frame of adjacent kitchen interior wall at kitchen window top The glass window (38), the rotary hinge a (61) of the glass window (38) rotating upwards and downwards is arranged above the rotary window, the width and the height of the glass window (38) rotating upwards and downwards and the glass window (39) rotating outwards upwards and downwards are equal, the flat-bottomed smoke-proof metal disc (3) and the frying pan (4) are two separable independent components, the inner contour of the flat-bottomed smoke-proof metal disc (3) is matched with the outer contour of the bottom part of the frying pan (4), the flat-bottomed smoke-proof metal disc (3) is placed on a bracket (17) of a gas stove head of a kitchen adjacent exhaust fan (2), through repeated comparison tests, the exhaust fan with the input power of 50 watts is selected, the louver baffle plate of the exhaust fan (2) is removed, and only 4-6 supporting rods are reserved for the fan blades of the protective cover (2), so that the blocking resistance of objects at the front end and the rear end of the fan blades is reduced, the air suction effect of the exhaust fan is improved by 80%; two louver baffles for removing the exhaust fan (2) are arranged in the kitchen cooking bench arranged on the windowsill, the exhaust effect is improved by the exhaust fan (2) only keeping 4-6 supporting rods for protecting fan blades of the exhaust fan (2), and two flat-bottomed smoke-proof metal discs (3) and two flat-bottomed frying pans (4) are respectively arranged on the supports (17) of the two gas stove cooking ranges and can cook simultaneously; when in cooking, the two metal frame glass doors (32) which can rotate up and down are rotated down 180 degrees and are vertical to the ground, two metal doors (28) which rotate in the horizontal direction and are arranged on the inner sides of the rectangular metal outer frames (27) of the two exhaust fans (2) are opened, the two metal doors (28) which rotate in the horizontal direction rotate 90 degrees and are adjacent to the left side and the right side of the inside of the rectangular metal sleeve (24) arranged on the windowsill respectively, 1 or 2 exhaust fans (2) are opened to exhaust air to the outside as required, the triangular wind shields (44) are connected with the side surfaces of the glass windows (38) which rotate up and down inwards, the glass windows (38) which rotate up and down and the glass windows (39) which rotate up and down outwards are opened, and outdoor air enters from the glass windows (39) which rotate up and down and inwards and up and down under the action of air sucked by the exhaust fans (2), the air is conveyed downwards along a rectangular air supply channel (53) made of transparent plastic with the strip-shaped magnet, an air curtain shield is formed and then moves towards the direction of the exhaust fan (2), the distance of downward radiation of the air curtain shield effect can exceed 50cm, and the rectangular air supply channel (53) made of the transparent plastic with the strip-shaped magnet is connected to the lower end of a glass window (38) which rotates upwards and downwards and the upper end of an indoor rectangular metal outer frame (30); the upper surface of the wall body where the modified kitchen outer wall window windowsill plane is positioned is provided with and fixed with a rectangular metal outer frame (27) made of rectangular steel pipes and welded, and is provided with a rectangular metal sleeve (24) on the windowsill and two metal frame glass doors (32) capable of rotating up and down, and the combination of an outward glass window (39) rotating up and down and an inward glass window (38) rotating up and down, which are additionally arranged at the upper end of the window sill replaces the original window of the kitchen; an illuminating lamp (45) is arranged in the rectangular metal sleeve (24) arranged on the windowsill; when food is cooked in a kitchen, the exhaust fan (2) is started, the two metal frame glass doors (32) which can rotate up and down are all closed, and exhaust gas generated during combustion of the gas stove and oil smoke gas mixture generated in the frying pan are sucked out, so that particularly when food is cooked in summer, high-temperature steam is effectively prevented from diffusing in the kitchen; in order to reduce the heat loss generated by the gas stove, 5-7 porcelain columns (18) of outer lining metal tubes connected with the gas stove burner support (17) are arranged at the lower end of the gas stove burner support (17), and the heat dissipation of the lower end of the gas stove burner support (17) to a gas stove top panel (16) is effectively slowed down by the porcelain columns made of nonmetal materials and protruding in the outer lining metal tubes connected with the gas stove burner support (17).

3. The device for improving the cooking environment of the kitchen according to claim 2, wherein the device for improving the cooking environment of the kitchen is formed by mutually matching and using a frying pan (4), a flat smoke-proof metal plate (3), a gas stove, a ventilation device and related devices which are made of steel materials, and is characterized in that on the position of a window sill of an outer wall of the kitchen after being changed and adjusted, a rectangular worktable arranged at the inner bottom end of a rectangular metal sleeve (24) on the window sill is replaced by the gas stove panel with two cooking ranges or an induction cooker, the number of metal glass frame doors (32) which can rotate up and down, the frying pan (4) and the flat smoke-proof metal plate (3) arranged in the inner side surfaces of an exhaust fan (2) and an indoor rectangular metal outer frame (30) is reduced to one, the method comprises the steps that a steel plate at the top of a small rectangular metal sleeve (69) on a windowsill for placing an exhaust fan (2) is arranged to be hollow and additionally provided with heat-resistant toughened glass, after the width of the small rectangular metal sleeve (69) on the windowsill for placing the exhaust fan (2) is reduced, two glass windows (58) capable of being opened in the horizontal direction are additionally arranged at the indoor and outdoor positions of the reduced space, namely, glass windows capable of being opened are additionally arranged at the indoor and outdoor ends of the small rectangular metal sleeve (69) on the adjacent windowsill, a sealing steel plate additionally provided with the heat-resistant toughened glass is arranged and welded at the top of the additionally arranged openable glass window frame, and the top surface of the sealing steel plate is flush with the top surface of the small rectangular metal sleeve (69) on the windowsill; in order to further improve the lighting effect, two additional glass windows (69) which can be opened in the horizontal direction are arranged at the vertical side surfaces adjacent to the top surface of the closed steel plate and the vertical side surfaces of the small rectangular metal sleeve (69) on the windowsill, namely the indoor and outdoor positions of the space which is reduced from the adjacent position, and the steel plate of the vertical side surface of the small rectangular metal sleeve (69) on the windowsill is replaced by heat-resistant toughened glass; a metal frame glass door D (43) which can rotate up and down is arranged on the inner side surface of the left side of the indoor rectangular metal outer frame (30); the structures of the top of a small rectangular metal sleeve (69) on the windowsill, a glass window (39) with the outdoor end rotating outwards and upwards and downwards and a glass window (38) with the indoor end rotating inwards and upwards and downwards are kept unchanged; the technical characteristics of the method are as in claim 2: the gas stove has the functions of rectangular metal sleeves, the horizontal distance between the outermost end of the top of the inner side of the outdoor rectangular metal sleeve (25) and the innermost end of the top of the inner side of the outdoor small rectangular metal sleeve (42) is 92-107 cm, the vertical distance between the lowest end point of the rotation track of the fan blade of the exhaust fan (2) and the horizontal plane where the top of the upper opening of the frying pan (4) is located is 120mm, the vertical distance between the top of the upper opening of the frying pan (4) and the closest point of the fan blade shield of the exhaust fan (2) and the plane where the fan blade shield of the exhaust fan (2) is located is 50-200 mm, and the distance between the surface of a stove panel (16) of the gas stove and the top end of the inner part of the small rectangular metal sleeve (69) on the setting window sill (3) is 69 cm; under the action of air sucked by the exhaust fan (2), outdoor air enters from the glass window (39) which rotates outwards up and down and the glass window (38) which rotates inwards up and down, and then is conveyed downwards along a rectangular air supply channel (53) made of transparent plastic with strip magnets, an air curtain shield is formed and then moves towards the exhaust fan (2), the distance of downward radiation of the air curtain shield can exceed 50cm, and the rectangular air supply channel (53) made of transparent plastic with strip magnets is connected to the lower end of the glass window (38) which rotates inwards up and down and the upper end of the indoor rectangular metal outer frame (30); be provided with light (45) in small-size rectangle metal sleeve (69) on the windowsill, in order to reduce the produced calorific loss of gas-cooker, be provided with 5 ~ 7 ceramic columns (18) of the outer lining tubular metal resonator of being connected with gas-cooker kitchen range support (17) at the lower extreme of gas-cooker kitchen range support (17), the above-mentioned ceramic column of protruding non-metallic material in the outer lining tubular metal resonator of being connected with gas-cooker kitchen range support (17) can effectually slow down the heat dissipation of gas-cooker kitchen range support (17) lower extreme to gas-cooker kitchen range panel (16).

4. The device for improving the cooking environment of the kitchen according to claim 1 or claim 2 or claim 3, wherein the device for improving the cooking environment of the kitchen is formed by mutually matching a frying pan (4) made of steel material, a flat-bottomed smoke-resistant metal plate (3), a gas stove, a ventilation device and related devices, and is characterized in that heat-absorbing metal sheets 1(47) are uniformly distributed on the outer layer of the flat-bottomed smoke-resistant metal plate (3) to increase the heating area and improve the heat conduction effect.

5. A device for improving the cooking environment of a kitchen according to claim 1 or claim 2 or claim 3, wherein said device for improving the cooking environment of a kitchen is formed by combining a frying pan (4) made of steel material, a oily fume-resistant metal pan (3) made of steel material, a gas burner, a ventilation device and related devices, wherein said oily fume-resistant metal pan (3) is replaced by a oily fume-resistant metal ring (46), and the inner contour of said oily fume-resistant metal ring (46) is matched with the outer contour of the bottom part of the frying pan (4).

6. The device for improving the cooking environment of the kitchen according to claim 1 or claim 2 or claim 3, wherein the device for improving the cooking environment of the kitchen is formed by mutually matching and using a frying pan (4) made of steel material, a flat-bottomed smoke-resistant metal plate (3), a gas stove, a ventilation device and related devices, and is characterized in that the flat-bottomed smoke-resistant metal plate (3) is replaced by a flat-bottomed smoke-resistant metal ring (46), the inner contour of the flat-bottomed smoke-resistant metal ring (46) is matched with the outer contour of the pan bottom part of the frying pan (4), and heat absorbing metal sheets (2), (51) are uniformly distributed on the outer layer of the flat-bottomed smoke-resistant metal ring (46) so as to increase the heating area and improve the heat conduction effect.

7. The apparatus for improving a kitchen cooking environment of claim 1 or claim 2 or claim 3, the device for improving the cooking environment of the kitchen is formed by mutually matching a frying pan (4) made of steel materials, a flat-bottomed metal plate (3) for preventing oil smoke, a gas stove, a ventilation device and related devices, it is characterized in that a flat-bottom oil smoke-proof metal disc (3) is replaced by a spherical crown-shaped profile oil smoke-proof metal ring (48), a flat frying pan (4) is replaced by a frying pan (49) with an outer profile of a spherical crown-shaped pan bottom, the inner profile of the spherical crown-shaped profile oil smoke-proof metal ring (48) is matched with the outer profile of the pan bottom of the frying pan (49) with the outer profile of the spherical crown-shaped pan bottom, and heat absorbing metal sheets 3 and 52 are uniformly distributed on the outer layer of the spherical crown-shaped lampblack-proof metal ring (48) to increase the heating area and improve the heat conduction effect.

8. The apparatus for improving a kitchen cooking environment of claim 1 or claim 2 or claim 3, the device for improving the cooking environment of the kitchen is formed by mutually matching a frying pan (4) made of steel materials, a flat-bottomed metal plate (3) for preventing oil smoke, a gas stove, a ventilation device and related devices, it is characterized in that a flat-bottom oil smoke-proof metal plate (3) is replaced by a spherical-crown-shaped profile oil smoke-proof metal shell (50), a flat-bottom frying pan (4) is replaced by a frying pan (49) with a spherical-crown-shaped pan bottom outer profile, the inner profile of the spherical-crown-shaped profile oil smoke-proof metal shell (50) is matched with the pan body bottom outer profile of the frying pan (49) with the spherical-crown-shaped pan bottom outer profile, and heat absorbing metal sheets 4 and 67 are uniformly distributed on the outer layer of the spherical-crown-shaped profile oil smoke prevention metal shell (50) to increase the heating area and improve the heat conduction effect.

9. The device for improving the cooking environment of the kitchen according to claim 1 or claim 2 or claim 3, wherein the device for improving the cooking environment of the kitchen is formed by mutually matching and combining a frying pan (4) made of steel material, a flat-bottom-shaped metal plate (3) for preventing oil smoke, a gas stove, a ventilation device and related devices, and is characterized in that a protective cover at the front of the exhaust fan (2) and a louver at the back of the exhaust fan (2) are removed, so that the exhaust effect is improved; the outer side of the exhaust fan (2) adjacent to one side of the frying pan is provided with a framed screen window (20) covered by gauze or gauze kerchief, so that the screen window can be replaced by the gauze or gauze kerchief which is easy to disassemble, and the screen window is convenient to clean at any time.

10. The device for improving the cooking environment of the kitchen according to claim 1 or claim 2 or claim 3, wherein the device for improving the cooking environment of the kitchen is formed by mutually matching and combining a frying pan (4) made of steel material, a flat-bottomed metal plate (3) for preventing oil smoke, a gas stove, a ventilation device and related devices, and is characterized in that an electric fan (57) is used for replacing the exhaust fan (2), the rotating direction of the fan blade of the electric fan (57) with a rectangular outer contour is set to be in reverse rotation, and the modified electric fan (57) is replaced to the position of the exhaust fan (2); the protective covers in front of and behind the electric fan (57) which is changed into the reverse rotation are removed, so that the air exhaust effect is improved; the outer side of the electric fan (57) which is changed into reverse rotation and is adjacent to one side of the frying pan is provided with a framed screen window (20) covered by gauze or gauze kerchief, so that the screen window can be replaced by the gauze or gauze kerchief which is easy to disassemble, and the screen window is convenient to clean at any time.

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