CN109579073B

CN109579073B - Natural gas energy-saving stove for schools

Info

Publication number: CN109579073B
Application number: CN201811479350.5A
Authority: CN
Inventors: 李�浩; 衣丰芬
Original assignee: Yantai Engineering and Technology College
Current assignee: Zhanjiang Haitao Kitchen Equipment Co.,Ltd.
Priority date: 2018-12-05
Filing date: 2018-12-05
Publication date: 2020-01-17
Anticipated expiration: 2038-12-05
Also published as: CN109579073A

Abstract

The invention discloses a natural gas energy-saving stove for schools, and belongs to the field of energy-saving stoves. A natural gas energy-saving stove for schools comprises a cooking bench, a stove body, a heat preservation tank, a linkage device, a primary and secondary valve and a steering valve; the upper surface of the cooking bench is provided with a cooking range opening, a cooking range body is fixedly arranged inside the cooking range opening, the bottom of the cooking range body is fixedly connected with a bi-pass, the other end of the bi-pass is fixedly connected with an air inlet pipe, the air inlet pipe is externally connected with a natural gas pipe, a primary-secondary valve is fixedly arranged on the outer surface of the bi-pass, a steering valve is fixedly arranged in the middle of the cooking range body, a furnace ring is fixedly arranged on the outer ring of the cooking range opening, the bottom of the furnace ring is fixedly connected with a linkage device, and; according to the invention, by controlling the air input of the natural gas, after the frying pan leaves the cooking bench, the air input of the natural gas is reduced and the air outlet direction is changed, so that the purpose of energy conservation is achieved.

Description

Natural gas energy-saving stove for schools

Technical Field

The invention relates to the field of energy-saving cooking utensils, in particular to a natural gas energy-saving cooking utensil for schools.

Background

The cooking utensils belong to the kitchen and use the cooking device, when acting, the pan is placed on cooking utensils, the fuel in the hearth burns and heats the pan in order to use for cooking, in order to improve the combustion effect or combustion efficiency of cooking utensils, can add fuel oil, fuel gas or other fuel into the hearth by the fuel conveying pipe, even in the current domestic catering trade, directly adopt the fuel of the fuel gas as cooking utensils, and blow with the blower, the waste of the fuel gas is great, while cooking, the idle combustion time of cooking utensils is long, when adopting the ignition of external ignition, the waste of the fuel gas reaches 30% -60%. And the kitchen work temperature is high, as is known, when a cook in a hotel or a restaurant fries dishes on a stove, the common dish cooking process comprises the steps of water passing and oil passing of raw materials, the dishes are placed in a pot and fried at high temperature, the pot needs to be prepared, cooked and seasoned, the pot leaves a stove chamber, ingredients are prepared and then placed in the stove chamber to be cooked and tasty, the dishes are taken out after the pot is overturned, and the empty cooking time of the stove chamber accounts for about 20 percent. The aim of saving natural gas can be achieved if the natural gas is directly shut off, but the chef also needs to re-ignite, the ignition process wastes time and natural gas, and the situation is particularly frequent in areas such as school canteens, restaurants, factory canteens and the like. According to the invention, by controlling the air input of the natural gas, after the frying pan leaves the cooking bench, the air input of the natural gas is reduced and the air outlet direction is changed, so that the purpose of energy conservation is achieved.

Disclosure of Invention

The invention aims to reduce the gas output of natural gas after a wok leaves a cooking bench so as to achieve the purpose of energy conservation, and provides a natural gas energy-saving cooking utensil for schools.

In order to achieve the purpose, the invention adopts the following technical scheme:

a natural gas energy-saving stove for schools comprises a cooking bench, a stove body, a heat preservation tank, a linkage device, a primary and secondary valve and a steering valve; the top of a kitchen range upper surface be provided with the kitchen range mouth, kitchen range body fixed mounting inside the kitchen range mouth, the bottom fixedly connected with bi-pass of the kitchen range body, the other end fixedly connected with intake pipe of bi-pass, the external natural gas pipe of intake pipe, bi-pass surface fixed mounting have the primary and secondary valve, kitchen range body middle part fixed mounting have the diverter valve, the outer lane fixed mounting of kitchen range mouth have the rim, the bottom and the aggregate unit fixed connection of rim, aggregate unit still respectively with primary and secondary valve and diverter valve swing joint, the left surface bottom of top of a kitchen range be provided with the air intake, the inside fixed mounting of top of a kitchen range have the air-blower and the air inlet department of air-blower to be located the inboard of air intake, the output fixedly connected with air-supply line of air-supply line, with kitchen range body bottom fixed connection, holding tank fixed mounting at the upper surface of top of a kitchen range, the inner side of the heat-insulating tank is fixedly connected with a water heating pipe, the water heating pipe is positioned inside the stove opening, and a clay heat-insulating layer is arranged on the inner surface of the stove opening.

Preferably, the linkage device comprises an elastic rod, a first connecting plate and a second connecting plate, the upper end of the elastic rod is fixedly connected with the bottom of the furnace ring, the bottom of the elastic rod is movably sleeved with a loop bar, the outer ring at the bottom of the elastic rod is fixedly provided with a movable block, the movable block is movably connected with a pull rod, the other end of the pull rod is movably connected with the first connecting plate, the other end of the first connecting plate is movably connected with a connecting rod, the other end of the connecting rod is fixedly connected with the outer ring of the primary-secondary valve, the middle part of the connecting rod is movably connected with a second connecting plate, the central shaft of the second connecting plate is fixedly arranged on the outer surface of the stove body, the other end of the second connecting plate is fixedly connected with a linkage rod, the other end of the linkage rod is fixedly connected with the control end of the steering valve, and the linkage device is convenient to reduce air inflow and change the flame outlet direction.

Preferably, the center of the lower side of the stove body is provided with a natural gas main pipe and the natural gas main pipe is fixedly connected with an air inlet pipe, the outer ring of the natural gas main pipe is provided with an air cavity and the air cavity is fixedly connected with an air inlet pipe, the upper side of the natural gas main pipe is fixedly connected with a steering valve, the two sides of the natural gas main pipe are fixedly connected with natural gas auxiliary pipes, the outer surfaces of the two sides of the stove body are fixedly provided with an attached block and the attached block is fixedly connected with the natural gas auxiliary pipes, the top end of the stove body is provided with a flame guide groove, the outer surface of the flame guide groove is provided with a second air outlet, the middle part of the upper end of the stove body is provided with an air outlet cavity, the bottom of the air outlet cavity is provided with an air inlet hole, the other end of the air inlet hole is fixedly, the arrangement of the stove body is convenient for mixing air and natural gas.

Preferably, the primary and secondary valves comprise a primary door, a secondary door and a sleeve, the sleeve is fixedly connected with the two-way valve, the primary door and the secondary door are movably mounted at the inner ring of the sleeve, the secondary door and the door are movably mounted at the center of the primary door and the center of the secondary door, a connecting ring is movably mounted on the outer surface of the sleeve and is fixedly connected with the primary door and the secondary door, an adjusting rod is fixedly connected to one side of the secondary door and the door, the other end of the adjusting rod penetrates through the middle of the sleeve ring, a connecting groove is formed in the outer surface of the adjusting rod, the outer surface of the sleeve ring is movably connected with the connecting rod, and the arrangement of the.

Preferably, the front surface of the cooking bench is movably provided with an adjusting handle, a central shaft of the adjusting handle penetrates through the cooking bench and is movably connected with the connecting groove, and the adjusting handle is arranged to facilitate manual adjustment of air inflow.

Compared with the prior art, the invention provides a natural gas energy-saving stove for schools, which has the following beneficial effects:

1. when the natural gas energy-saving stove for schools is used by a cook, the cook needs to add a certain amount of cold water into the heat preservation tank in advance, then the primary and secondary valves are opened, the natural gas enters the primary and secondary valves on the two-way pipe from the gas inlet pipe and then enters the interior of the stove body, and then a cook ignites, when the ignition is carried out, the air blower works, air at the air inlet enters the interior of the stove body through the air inlet pipe by the air blower, the natural gas is fully combusted in cooperation, a cook can carry out cooking operation, when the cooking operation is carried out, the wok is placed on the stove ring, the stove ring drives the linkage device to work, the linkage device drives the control end of the primary and secondary valves to enable the air outlet quantity of the primary and secondary valves to be maximum, meanwhile, the linkage device drives the steering valve to steer the gas outlet end of the natural gas to the upper end of the stove body, so that high temperature is easily generated at the stove mouth for long-time cooking, in order to prolong the service life of the cooking bench, a clay heat insulation layer is arranged on the inner ring of the cooking range opening for heat insulation; after a cook fries the dishes, the wok leaves the stove ring, the linkage device returns to the original position, the linkage device drives the master-slave valve, the air inflow of the master-slave valve is reduced, so that the flame of the stove body is reduced, the linkage device drives the steering valve to steer the outlet of the natural gas to two sides of the stove body, the natural gas on two sides of the stove body is continuously combusted to heat the water boiling pipe, the water boiling pipe heats the heat preservation tank, the use of the cook is facilitated, and through the arrangement, the use amount of the natural gas can be reduced, and the purpose of saving energy is achieved;

2. the natural gas energy-saving stove for schools is characterized in that a linkage device is arranged, when a wok is placed at the upper end of a stove ring, an elastic rod is driven to move downwards along a sleeve rod under the action of the gravity of the wok, the elastic rod drives a movable block to move downwards, the movable block drives the right end of a first connecting plate to move downwards through the connection of a pull rod, the left end of the first connecting plate moves upwards, the first connecting plate drives a control end of a primary-secondary valve to move upwards through a connecting rod, the ventilation quantity of the primary-secondary valve is further increased, the connecting rod drives a linkage rod to move upwards through a second connecting plate simultaneously when moving upwards, the upper end of the linkage rod drives a control end of a steering valve to move, the control valve controls the direction of outputting of natural gas inside a stove body, and similarly, when the wok leaves the stove ring, the air inflow of the primary-secondary valve is reduced, the control, the invention can automatically change the gas output and the gas output direction of the natural gas;

3. the natural gas energy-saving kitchen range for schools is characterized in that a kitchen range body is arranged, an air blower introduces outside air into an air cavity through an air inlet pipe and discharges the air from a second air outlet in a flame guide groove, the air enters a natural gas main pipe through a double-way pipe, when a frying pan is placed on a stove ring, the natural gas main pipe is led to the upper part through a steering valve, one part of natural gas is discharged from the second air outlet, the other part of natural gas enters an air outlet cavity through an air inlet hole and is discharged from the air outlet cavity, a first air outlet is arranged in the air outlet cavity, when the frying pan leaves the stove ring, the steering valve drives the natural gas main pipe to be connected with a natural gas auxiliary pipe through a linkage device, the natural gas auxiliary pipe is led to an auxiliary block and is discharged from the auxiliary block, due to the fact that the steering valve has short direction change time and a certain amount of natural gas can, the direction of natural gas output is changed and utilized, so that the utilization rate of the invention is increased;

4. the natural gas energy-saving kitchen range for schools is characterized in that the primary and secondary valves are arranged, when a cook rotates the adjusting handle on the outer surface of the cooking bench, the adjusting handle is fixedly connected with the connecting groove on the adjusting rod, the adjusting handle drives the secondary and the door to open through the connection of the adjusting rod, natural gas in a gas inlet pipe to be connected into the sleeve pipe is enabled to be connected into the sleeve pipe, when the furnace ring drives the linkage device to work, the linkage rod on the linkage device drives the sleeve ring to rotate, the sleeve ring drives the primary and the secondary doors in the sleeve pipe to be opened, the ventilation volume of the primary and secondary valves is enabled to be maximum, and similarly, when a frying pan leaves the furnace ring, the linkage device drives the sleeve ring to rotate, the primary and the secondary doors are enabled to;

the device is characterized in that a linkage device and a master-slave valve are arranged, when a frying pan is placed on a furnace ring, the furnace ring triggers the linkage device to enable the air inflow of the device to be maximum, when no frying pan is placed on the furnace ring, the linkage device respectively triggers the master-slave valve and a steering valve, the master-slave valve is used for reducing the air inflow, and the steering valve is used for changing the direction of the gas outlet of the natural gas and utilizing the natural gas.

Drawings

FIG. 1 is a schematic structural view of a natural gas energy-saving kitchen range for schools, which is provided by the invention;

FIG. 2 is a schematic structural view of a linkage device of a natural gas energy-saving kitchen range for schools, which is provided by the invention;

FIG. 3 is a schematic structural view of a school natural gas energy-saving cooking stove body provided by the invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is a schematic structural view of a primary-secondary valve of a natural gas energy-saving kitchen range for schools, which is provided by the invention;

fig. 6 is an appearance diagram of a natural gas energy-saving kitchen range for schools, which is provided by the invention.

In the figure: 1. a cooking bench; 2. a stove opening; 3. a stove body; 4. a linkage device; 5. a furnace ring; 6. double-pass; 7. a master-slave valve; 8. an air inlet pipe; 9. a steering valve; 10. an air inlet; 11. a blower; 12. an air inlet pipe; 13. a heat preservation tank; 14. burning the water pipe; 15. a clay thermal insulation layer; 16. an elastic rod; 17. a loop bar; 18. a movable block; 19. a pull rod; 20. a first connecting plate; 21. a connecting rod; 22. a second connecting plate; 23. a linkage rod; 24. an air chamber; 25. a natural gas main pipe; 26. a natural gas secondary pipe; 27. an accessory block; 28. a flame guide groove; 29. a first air outlet; 30. an air outlet cavity; 31. an air inlet; 32. a second air outlet; 33. an igniter; 34. connecting grooves; 35. a collar; 36. an adjusting lever; 37. a secondary and a door; 38. a main and a door; 39. a sleeve; 40. and (4) adjusting the handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The specific implementation case is as follows:

example 1: referring to fig. 1, the energy-saving natural gas stove for schools comprises a cooking bench 1, a stove body 3, a heat preservation tank 13, a linkage device 4, a primary-secondary valve 7 and a steering valve 9; the upper surface of a cooking bench 1 is provided with a cooking range opening 2, a cooking range body 3 is fixedly arranged inside the cooking range opening 2, the bottom of the cooking range body 3 is fixedly connected with a bi-pass 6, the other end of the bi-pass 6 is fixedly connected with an air inlet pipe 8, the air inlet pipe 8 is externally connected with a natural gas pipe, the outer surface of the bi-pass 6 is fixedly provided with a primary-secondary valve 7, the middle part of the cooking range body 3 is fixedly provided with a steering valve 9, the outer ring of the cooking range opening 2 is fixedly provided with a furnace ring 5, the bottom of the furnace ring 5 is fixedly connected with a linkage device 4, the linkage device 4 is also movably connected with the primary-secondary valve 7 and the steering valve 9 respectively, the bottom of the left surface of the cooking bench 1 is provided with an air inlet 10, an air blower 11 is fixedly arranged inside the cooking bench 1, the air inlet of the air blower 11 is positioned at the inner, the inboard fixedly connected with of heat preservation jar 13 burns water pipe 14 and be located range mouth 2 inside, and the internal surface of range mouth 2 is provided with clay insulating layer 15.

When a cook uses the natural gas energy-saving stove for schools, the cook needs to add certain cold water into a heat-insulating tank 13 in advance, then opens a primary-secondary valve 7, natural gas enters the primary-secondary valve 7 on a two-way valve 6 from an air inlet pipe 8 and then enters the stove body 3, then the cook ignites, an air blower 11 works while igniting, air at an air inlet 10 enters the stove body 3 from the air blower 11 through an air inlet pipe 12, the natural gas is fully combusted in cooperation, then the cook can carry out cooking operation, when the cooking operation is carried out, a frying pan is placed on a stove ring 5, the stove ring 5 drives a linkage device 4 to work, the linkage device 4 drives a control end of the primary-secondary valve 7 to enable the air outlet amount of the primary-secondary valve 7 to be maximum, meanwhile, the linkage device 4 drives a steering valve 9 to steer the air outlet end of the natural gas to the upper end of the stove body 3, and high temperature is easily generated at the stove mouth 2 for a long time, in order to prolong the service life of the cooking bench 1, a clay heat insulation layer 15 is arranged on the inner ring of the cooking range 2 for heat insulation; after a cook fries the dishes, after the frying pan leaves the stove ring 5, the linkage device 4 returns to the original position, the linkage device 4 drives the master-slave valve 7, the air inflow of the master-slave valve 7 is reduced, so that the flame of the stove body 3 is reduced, the linkage device 4 drives the steering valve 9 to steer the outlet of the natural gas to two sides of the stove body 3, the natural gas on two sides of the stove body 3 is continuously combusted to heat the water boiling pipe 14, the water boiling pipe 14 heats the heat preservation tank 13, the use of the cooker is facilitated, and through the arrangement, the use amount of the natural gas can be reduced, and the purpose of energy conservation is achieved.

Example 2: referring to fig. 2, the linkage device 4 includes an elastic rod 16, a first connecting plate 20 and a second connecting plate 22, the upper end of the elastic rod 16 is fixedly connected to the bottom of the furnace ring 5, a sleeve rod 17 is movably sleeved at the bottom of the elastic rod 16, a movable block 18 is fixedly mounted on the outer ring of the bottom of the elastic rod 16, a pull rod 19 is movably connected to the movable block 18, the other end of the pull rod 19 is movably connected to the first connecting plate 20, a connecting rod 21 is movably connected to the other end of the first connecting plate 20, the other end of the connecting rod 21 is fixedly connected to the outer ring of the primary-secondary valve 7, the middle of the connecting rod 21 is movably connected to the second connecting plate 22, a central shaft of the second connecting plate 22 is fixedly mounted on the outer surface of the furnace body 3, a linkage rod 23 is fixedly connected to the other end of the second connecting plate 22, and the other end of the linkage rod.

The natural gas energy-saving kitchen range for schools is characterized in that by arranging the linkage device 4, when a wok is placed at the upper end of the stove ring 5, the elastic rod 16 is driven to move downwards along the sleeve rod 17 under the action of the gravity of the wok, the elastic rod 16 drives the movable block 18 to move downwards, the movable block 18 drives the right end of the first connecting plate 20 to move downwards through the connection of the pull rod 19, the left end of the first connecting plate 20 moves upwards, the first connecting plate 20 drives the control end of the primary-secondary valve 7 to move upwards through the connecting rod 21, so that the ventilation quantity of the primary-secondary valve 7 is further increased, the connecting rod 21 drives the linkage rod 23 to move upwards through the second connecting plate 22 while moving upwards, the upper end of the linkage rod 23 drives the control end of the steering valve 9 to move, the control valve controls the direction of outputting of the natural gas inside the kitchen range body 3, and the same are that, when the wok leaves the wok, the air inflow of the, through the arrangement, the gas outlet quantity and the gas outlet direction of the natural gas can be automatically changed.

Example 3: referring to fig. 3-4, the basic difference of the embodiment 1 is that a natural gas main pipe 25 is arranged at the inner center of the lower side of a stove body 3, the natural gas main pipe 25 is fixedly connected with an air inlet pipe 8, an air chamber 24 is arranged at the outer ring of the natural gas main pipe 25, the air chamber 24 is fixedly connected with an air inlet pipe 12, the upper side of the natural gas main pipe 25 is fixedly connected with a steering valve 9, natural gas auxiliary pipes 26 are fixedly connected with two sides of the natural gas main pipe 25, auxiliary blocks 27 are fixedly arranged on the outer surfaces of two sides of the stove body 3, the auxiliary blocks 27 are fixedly connected with the natural gas auxiliary pipes 26, a flame guiding groove 28 is arranged at the top end of the stove body 3, a second air outlet 32 is arranged on the outer surface of the flame guiding groove 28, an air outlet cavity 30 is arranged at the middle part of the upper end of the stove body 3, an air inlet 31, an igniter 33 is fixedly installed in the flame guide groove 28.

The natural gas energy-saving kitchen range for schools is characterized in that a range body 3 is arranged, an air blower 11 introduces outside air into an air cavity 24 through an air inlet pipe 12, the outside air is discharged from a second air outlet 32 in a flame guide groove 28 and enters a natural gas main pipe 25 through a double-way pipe 6, when a frying pan is placed on a stove ring 5, the natural gas main pipe 25 is introduced upwards through a steering valve 9, one part of natural gas is discharged from the second air outlet 32, the other part of natural gas enters an air outlet cavity 30 through an air inlet hole 31 and is discharged from the air outlet cavity 30 through a first air outlet 29, when the frying pan leaves the stove ring 5, the steering valve 9 drives the natural gas main pipe 25 to be communicated with a natural gas auxiliary pipe 26 through a linkage device 4, the natural gas auxiliary pipe 26 is introduced onto an auxiliary block 27 and is discharged from the auxiliary block 27, and because the direction change time of the steering valve 9 is short and a certain amount of natural gas can be discharged from the air outlet cavity 30, the flame at the, the natural gas output direction is changed and utilized for heating the water burning pipe 14 through the arrangement, and the utilization rate of the natural gas water heater is increased.

Example 4: referring to fig. 5-6, the basic difference in connection with embodiment 1 is that the sub-main valve 7 includes a main and a sub-main gate 38, a sub-and a sub-gate 37, and a sleeve 39, the sleeve 39 is fixedly connected to the double-pass 6, the main gate 38 is movably installed at an inner ring of the sleeve 39, the sub-and the sub-gate 37 is movably installed at a center of the main gate 38, the outer surface of the sleeve 39 is movably installed with a connection ring and the connection ring is fixedly connected to the main gate 38, one side of the sub-and the sub-gate 37 is fixedly connected to an adjustment rod 36, the other end of the adjustment rod 36 penetrates through a middle portion of the collar 35 and an outer surface of the adjustment.

An adjusting handle 40 is movably installed on the front surface of the cooking bench 1, and a central shaft of the adjusting handle 40 penetrates through the cooking bench 1 and is movably connected with the connecting groove 34.

This energy-conserving cooking utensils of natural gas for school, through setting up primary and secondary valve 7, when the cook rotates the adjustment handle 40 on the surface of top of a kitchen range 1, because adjustment handle 40 and spread groove 34 fixed connection on the adjusting lever 36, so the adjustment handle 40 drives vice and door 37 through the connection of adjusting lever 36 and opens, make the inside natural gas of waiting in the intake pipe 8 of the inside access of sleeve 39, when the stove circle 5 drives linkage 4 work, linkage 23 on linkage 4 drives lantern ring 35 and rotates, lantern ring 35 drives the inside main and door 38 of sleeve 39 and opens, make the ventilation volume of primary and secondary valve 7 reach the biggest, when the frying pan leaves stove circle 5, linkage 4 drives lantern ring 35 and rotates, make main and door 38 close, thereby make the inside ventilation volume of sleeve 39 reduce, reach the effect of saving natural gas.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a school uses energy-conserving cooking utensils of natural gas, includes top of a kitchen range (1), the kitchen body (3) and heat preservation jar (13), its characterized in that: the device also comprises a linkage device (4), a primary-secondary valve (7) and a steering valve (9); top of a kitchen range (1) upper surface be provided with kitchen range mouth (2), kitchen range body (3) fixed mounting inside kitchen range mouth (2), bottom fixedly connected with bi-pass (6) of the kitchen range body (3), other end fixedly connected with intake pipe (8) of bi-pass (6), intake pipe (8) external natural gas pipe, bi-pass (6) surface fixed mounting have primary and secondary valve (7), kitchen range body (3) middle part fixed mounting have steering valve (9), the outer lane fixed mounting of kitchen range mouth (2) have stove circle (5), the bottom and aggregate unit (4) fixed connection of stove circle (5), aggregate unit (4) still respectively with primary and secondary valve (7) and steering valve (9) swing joint, the left surface bottom of top of a kitchen range (1) be provided with air intake (10), air-blower (1) inside fixed mounting have the air inlet department of (11) and air-blower (11) to be located the interior of air intake (10) The output end of the air blower (11) is fixedly connected with an air inlet pipe (12), the air inlet pipe (12) is fixedly connected with the bottom of the stove body (3), the heat-insulating tank (13) is fixedly installed on the upper surface of the cooking bench (1), the inner side of the heat-insulating tank (13) is fixedly connected with a water heating pipe (14), the water heating pipe (14) is positioned inside the stove opening (2), and the inner surface of the stove opening (2) is provided with a clay heat-insulating layer (15);

the linkage device (4) comprises an elastic rod (16), a first connecting plate (20) and a second connecting plate (22), the upper end of the elastic rod (16) is fixedly connected with the bottom of the furnace ring (5), the bottom of the elastic rod (16) is movably sleeved with a sleeve rod (17), the bottom outer ring of the elastic rod (16) is fixedly provided with a movable block (18), the movable block (18) is movably connected with a pull rod (19), the other end of the pull rod (19) is movably connected with the first connecting plate (20), the other end of the first connecting plate (20) is movably connected with a connecting rod (21), the other end of the connecting rod (21) is fixedly connected with the outer ring of the primary and secondary valve (7), the middle part of the connecting rod (21) is movably connected with the second connecting plate (22), the central shaft of the second connecting plate (22) is fixedly arranged on the outer surface of the stove body (3) and the other end of the second connecting plate (22) is fixedly connected with a linkage rod (23), the other end of the linkage rod (23) is fixedly connected with the control end of the steering valve (9);

a natural gas main pipe (25) is arranged at the inner center of the lower side of the stove body (3), the natural gas main pipe (25) is fixedly connected with an air inlet pipe (8), an air cavity (24) is arranged on the outer ring of the natural gas main pipe (25), the air cavity (24) is fixedly connected with an air inlet pipe (12), and the upper side of the natural gas main pipe (25) is fixedly connected with a steering valve (9); the natural gas range is characterized in that natural gas auxiliary pipes (26) are fixedly connected to two sides of the natural gas main pipe (25), auxiliary blocks (27) are fixedly installed on the outer surfaces of two sides of the range body (3), and the auxiliary blocks (27) are fixedly connected with the natural gas auxiliary pipes (26);

the elastic rod (16) moves downwards along the sleeve rod (17), the elastic rod (16) drives the movable block (18) to move downwards, the movable block (18) drives the right end of the first connecting plate (20) to move downwards through the connection of the pull rod (19), the left end of the first connecting plate (20) moves upwards, the first connecting plate (20) drives the control end of the master-slave valve (7) to move upwards through the connecting rod (21), and the ventilation volume of the master-slave valve (7) is further increased;

when the frying pan leaves in the time of circle (5), link rod (21) drive gangbar (23) rebound through second even board (22) in the rebound, the upper end of gangbar (23) drives the control end removal of diverter valve (9), the control end of diverter valve (9) changes the direction of the inside natural gas output of the kitchen body (3), diverter valve (9) drive natural gas through aggregate unit (4) and are responsible for (25) switch-on natural gas auxiliary pipe (26), the natural gas by natural gas auxiliary pipe (26) let in by attaching piece (27) and discharge on attaching piece (27), the time that diverter valve (9) direction changed is shorter and go out the remaining certain natural gas in air cavity (30), the flame of the kitchen body (3) upper end drives the natural gas burning on attaching piece (27), do it heats to burn water pipe (14).

2. The school natural gas energy-saving stove according to claim 1, characterized in that: the top of the kitchen body (3) be provided with on the surface of leading flame groove (28) and be provided with second gas outlet (32), the kitchen body (3) upper end middle part be provided with out gas chamber (30), the bottom of going out gas chamber (30) be provided with other end and the natural gas of inlet port (31) and be responsible for (25) fixed connection, the upper end surface of going out gas chamber (30) be provided with first gas outlet (29), leading flame groove (28) internal fixation install some firearm (33).

3. The school natural gas energy-saving stove according to claim 1, characterized in that: the master-slave valve (7) comprises a master door (38), a slave door (37) and a sleeve (39), the sleeve (39) is fixedly connected with a double-way (6), the master door (38) is movably arranged on an inner ring of the sleeve (39), the slave door (37) is movably arranged at the center of the master door (38), a connecting ring is movably arranged on the outer surface of the sleeve (39) and fixedly connected with the master door (38), an adjusting rod (36) is fixedly connected to one side of the slave door (37), the other end of the adjusting rod (36) penetrates through the middle of a sleeve ring (35), a connecting groove (34) is formed in the outer surface of the adjusting rod (36), and the outer surface of the sleeve ring (35) is movably connected with a connecting rod (21).

4. The school natural gas energy-saving stove according to claim 1, characterized in that: the front surface of the cooking bench (1) is movably provided with an adjusting handle (40), and a central shaft of the adjusting handle (40) penetrates through the cooking bench (1) and is movably connected with the connecting groove (34).