阅读说明：本技术 一种兼具食物保温功能的新型省柴灶 (Novel firewood-saving stove with food heat preservation function ) 是由 金星 陆京京 张旭 于 2021-09-28 设计创作，主要内容包括：本发明公开一种兼具食物保温功能的新型省柴灶,新型省柴灶包括灶体,所述灶体内设有灶箅,灶箅下方设有集灰盘,集灰盘下方设有可抽拉打开的薪柴储存室,灶箅上方设有二次进风圈,二次进风圈上方设有回烟环道,灶体内还设有第一保温箱,灶体上方设有第二保温箱和第三保温箱,灶体一侧上端设有排烟道。本发明新型省柴灶可以减少燃烧损失的热量,将烟气余热一部分用于烹饪的热量,另一部分通过相变材料储蓄起来,用于已烹饪好的饭菜的保温；本发明新型省柴灶内设有的灶箅可通过传动装置调整灶箅间隙,以适用于使用不同尺寸薪柴的家庭,通过改变灶箅间隙来调整风量,从而保证在没有过大的空气对流的情况下,有效提高燃烧效率,实现省柴节能的效果。(The invention discloses a novel firewood-saving stove with food heat preservation function, which comprises a stove body, wherein a stove grate is arranged in the stove body, an ash collecting disc is arranged below the stove grate, a firewood storage chamber which can be opened in a pulling mode is arranged below the ash collecting disc, a secondary air inlet ring is arranged above the stove grate, a smoke return ring channel is arranged above the secondary air inlet ring, a first heat preservation box is further arranged in the stove body, a second heat preservation box and a third heat preservation box are arranged above the stove body, and a smoke discharge channel is arranged at the upper end of one side of the stove body. The novel firewood-saving stove can reduce the heat lost by combustion, and one part of the waste heat of the smoke is used for the heat of cooking, and the other part of the waste heat of the smoke is stored through the phase-change material and is used for the heat preservation of cooked food; the novel firewood-saving stove is provided with the stove grate, the gap of the stove grate can be adjusted through the transmission device, so that the novel firewood-saving stove is suitable for families using firewood of different sizes, and the air quantity is adjusted by changing the gap of the stove grate, so that the combustion efficiency is effectively improved under the condition of no overlarge air convection, and the effects of saving firewood and saving energy are realized.)

1. A novel firewood-saving stove with food heat preservation function comprises a stove body (1) and is characterized in that a stove grate (2) is arranged in the stove body (1), an ash collecting disc (4) is arranged below the stove grate (2), a firewood storage chamber (5) capable of being opened in a pulling mode is arranged below the ash collecting disc (4), a secondary air inlet ring (6) is arranged above the stove grate (2), a smoke return ring (7) is arranged above the secondary air inlet ring (6), a first heat preservation box (8) is further arranged in the stove body (1), a second heat preservation box (9) and a third heat preservation box (10) are arranged above the stove body (1), and a smoke discharge channel (11) is arranged at the upper end of one side of the stove body (1);

the stove grate (2) comprises a metal frame (15), triangular connecting plates (17) which are symmetrically distributed in an array mode are arranged in the metal frame (15), long metal plates (19) which are symmetrically distributed are arranged above the metal frame (15), the center of each triangular connecting plate (17) is rotatably connected with the metal frame (15) through a shaft lever (16), a first bolt (18) is arranged at the upper end of each triangular connecting plate (17), the first bolt (18) penetrates through the triangular connecting plates (17) to be installed on the corresponding long metal plates (19), metal blades (14) which are fixedly connected are arranged on the triangular connecting plates (17), a square embedded part (23) is arranged on one side of the metal frame (15), a through arc-shaped groove is formed in the square embedded part (23), an arc-shaped rotating screw rod (20) is arranged in the arc-shaped groove, one end of the screw rod (20) is connected with the metal frame (15), and a connecting rod (21) which is fixedly connected is arranged at the other end of the screw rod (20), and a second bolt (22) penetrating through the fixed connection is arranged on the connecting rod (21), the second bolt (22) is rotatably connected with the square embedded part (23), a horizontal rotating shaft (24) fixedly connected is arranged on one side of the upper end of the connecting rod (21), and one end of the horizontal rotating shaft (24) is provided with an L-shaped handle (3) in threaded connection.

2. The novel firewood-saving stove with food heat preservation function as claimed in claim 1, characterized in that the inside of the smoke-returning loop (7) has three chambers, the innermost chamber has an inner wall opening (25) on the inner wall near the stove door and is connected with the stove hearth, the radian occupied by the opening is 2/3-1/2 circumference, the second chamber has an opening on the centripetal inner wall far away from the stove door, the third chamber has an outer wall outlet (26) on the outer wall far away from the stove door, the outer wall outlet (26) is directly connected with the horizontal section of the smoke-discharging channel, the outer wall outlet (26) is smaller than the inner wall opening (25), and the inside of the stove body (1) is provided with heat preservation material (12) and phase change material (13).

3. The novel firewood-saving stove with food heat preservation function according to claim 1, characterized in that the L-shaped handle (3) rotates to drive the metal blade (14) to rotate for adjusting the angle, thereby adjusting the gap of the stove grate (2).

4. The novel firewood-saving stove with food heat preservation function according to claim 2, characterized in that one surface of each of the three chambers in the smoke return loop (7) is in direct contact with the bottom of the pot, and high-temperature smoke passes through the smoke return loop (7) from the hearth and enters the discharge flue (11).

5. The novel firewood-saving stove with the food heat preservation function according to claim 2, characterized in that the first heat preservation box (8) is arranged in the stove body, the upper interlayer is filled with the phase change material (13), and the side and bottom interlayers are filled with the heat preservation material (12);

phase change materials (13) are filled in interlayers of connecting parts of the second heat preservation box (9) and the third heat preservation box (10) with the discharge flue (11), and heat preservation materials (12) are filled in interlayers of the upper layer, the bottom layer and the rest three side surfaces.

6. The novel firewood-saving stove with the food heat preservation function as claimed in claim 2, wherein the first heat preservation box (8), the second heat preservation box (9) and the third heat preservation box (10) are all of a double-layer color steel plate sandwich structure, the wall surface shared by the first heat preservation box (8), the second heat preservation box (9) and the third heat preservation box (10) and a smoke exhaust duct is filled with a phase change material (13), other parts are filled with a heat preservation material (12), and the box thickness of the first heat preservation box (8), the second heat preservation box (9) and the third heat preservation box (10) is 2-5 cm.

7. The novel firewood-saving stove with the food heat preservation function as claimed in claim 1, characterized in that the discharge flue (11) is a metal pipe with rectangular cross section and double pipe walls, and the distance between the two layers of metal pipes is 2-8 cm.

8. The novel firewood-saving stove with food heat preservation function according to claim 1, characterized in that the smoke returning loop (7) is integrally made.

9. The novel firewood-saving stove with food heat preservation function according to claim 1, characterized in that the secondary air intake ring (6) is a double-layer hollow annular structure, and the surface is provided with air holes.

10. The novel firewood-saving stove with the food heat preservation function according to claim 2, characterized in that the temperature of the phase-change material (13) is 40-50 ℃.

Technical Field

The invention relates to the technical field of waste heat utilization and energy conservation, in particular to a novel firewood-saving stove with a food heat preservation function.

Background

At present, the soil stove is still commonly used in many rural families. The traditional soil stove has the problems of insufficient fuel combustion, large smoke and heavy pollution, and particularly has a large amount of heat lost along with the smoke, so that energy cannot be fully utilized, on the other hand, a blast box is used for controlling the air intake in some families, but the convection of cold air airflow also causes huge heat loss. Since the 80 s, the country has raised a reform of a novel energy-saving soil stove, but the soil stove is still in cooking in the current rural families. Aiming at the situation, a novel firewood-saving stove with the food heat preservation function is provided.

Disclosure of Invention

The invention aims to provide a novel firewood-saving stove with a food heat preservation function, which can effectively solve the defects in the background technology. The novel firewood-saving stove can reduce the heat lost by combustion, one part of the waste heat of the flue gas is used for the heat of cooking, the other part of the waste heat of the flue gas is stored through the phase-change material and can be used for heat preservation of food after the cooking is finished, the function of the soil stove is further expanded, the novel firewood-saving stove is butted with the working flow of the cooking in a kitchen, the novel firewood-saving stove is further convenient for a user, the gap of the stove grate can be adjusted through the transmission device so as to be suitable for families with firewood of different sizes, and the air quantity can be adjusted by changing the gap of the stove grate during the cooking, so that the combustion efficiency is effectively improved under the condition that no overlarge air convection exists.

The purpose of the invention can be realized by the following technical scheme:

a new kind of firewood saving kitchen range with food heat preservation function concurrently, the new firewood saving kitchen range includes the kitchen range body, the said kitchen range is internal to have the kitchen range grate, the kitchen range grate is equipped with the ash collecting tray below, the ash collecting tray below is equipped with the firewood storing chamber that can be opened by pulling, there are secondary air inlet rings above the kitchen range grate, there are return smoke circular ducts above the secondary air inlet ring, also there are first heat-preserving boxes in the kitchen range body, there are second heat-preserving boxes and third heat-preserving boxes above the kitchen range body, there are discharge flues in one side upper end of the kitchen range body;

the stove grate comprises a metal frame, triangular connecting plates distributed in a symmetrical array mode are arranged in the metal frame, metal long plates distributed in a symmetrical mode are arranged above the metal frame, the center of each triangular connecting plate is connected with the metal frame in a rotating mode, a first bolt is arranged at the upper end of each triangular connecting plate and penetrates through the triangular connecting plates to be installed on the metal long plates, metal blades fixedly connected with the triangular connecting plates are arranged on the triangular connecting plates, a square embedded part is arranged on one side of the metal frame, a penetrating arc-shaped groove is formed in the square embedded part, an arc-shaped rotating screw rod is arranged in the arc-shaped groove, one end of the screw rod is connected with the metal frame, a connecting rod fixedly connected with the other end of the screw rod is arranged at the other end of the screw rod, a second bolt penetrating through the fixed connection is arranged on the connecting rod, the second bolt is connected with the square embedded part in a rotating mode, a horizontal rotating shaft fixedly connected with the connecting rod is arranged on one side of the upper end of the connecting rod, and one end of the horizontal rotating shaft is provided with an L-shaped handle in a threaded connection mode.

Further, an inner wall hole is formed in one side of the interior of the smoke returning loop, an outlet is formed in one side of the exterior of the smoke returning loop, and a heat insulation material and a phase change material are arranged inside the stove body.

Furthermore, the L-shaped handle drives the metal blades to rotate to adjust the angle when rotating, so that the gap of the stove grate is adjusted.

Furthermore, one surface of each of the three chambers in the smoke returning loop is in direct contact with the bottom of the pot, and high-temperature smoke passes through the smoke returning loop from the hearth and then enters the smoke discharging channel.

Furthermore, the first heat-preservation box is arranged in the stove body, the upper interlayer is filled with the phase-change material, and the side surface interlayer and the bottom surface interlayer are filled with the heat-preservation material;

phase change materials are filled in interlayers of connecting parts of the second heat preservation box and the third heat preservation box with the discharge flue, and heat preservation materials are filled in interlayers of the upper layer, the bottom layer and the rest three side surfaces.

Furthermore, the phase change material is filled in the horizontal section and part of the vertical section of the discharge flue, and the part of the section is shared by the second heat insulation box and the third heat insulation box.

Furthermore, the discharge flue is a metal pipe with a rectangular cross section and double pipe walls.

Further, the smoke returning loop is integrally manufactured.

Further, the temperature of the phase-change material is 40-50 ℃.

The invention has the beneficial effects that:

1. the novel firewood-saving stove can reduce the heat lost by combustion, one part of the waste heat of the smoke is used for the heat of cooking, the other part of the waste heat of the smoke is stored through the phase-change material and can be used for heat preservation of food after the cooking is finished, the function of the stove is further expanded, the stove is in butt joint with the working flow of the cooking of a kitchen, and the use is further facilitated;

2. the novel firewood-saving stove is provided with the stove grate, the gap of the stove grate can be adjusted through the transmission device, so that the novel firewood-saving stove is suitable for families with firewood of different sizes, and the air quantity can be adjusted by changing the gap of the stove grate during cooking, so that the combustion efficiency is effectively improved under the condition of no overlarge air convection.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic sectional view of a firewood saving range according to the present invention;

FIG. 2 is a schematic view of the novel firewood saving stove of the present invention;

FIG. 3 is a schematic view of the construction of the cooking grate of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a front view of the grate of the present invention;

FIG. 6 is a top plan view of the smoke return circuit of the present invention;

FIG. 7 is a schematic view of the smoke return circuit of the present invention;

fig. 8 is a schematic sectional structure view of the smoke returning loop of the present invention.

In the figure: 1. a stove body; 2. a grate; 3. an L-shaped handle; 4. an ash collecting disc; 5. a firewood storage room; 6. a secondary air inlet ring; 7. a smoke returning loop; 8. a first heat preservation box; 9. a second incubator; 10. a third incubator; 11. a discharge flue; 12. a thermal insulation material; 13. a phase change material; 14. a metal blade; 15. a metal frame; 16. a shaft lever; 17. a triangular connecting plate; 18. a first bolt; 19. a metal long plate; 20. a screw; 21. a connecting rod; 22. a second bolt; 23. a square embedded part; 24. a horizontal rotating shaft; 25. an inner wall opening; 26. an outer wall outlet.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1 to 8, a novel firewood saving stove with food heat preservation function comprises a stove body 1, a stove grate 2 is arranged in the stove body 1, an ash collecting disc 4 is arranged below the stove grate 2, a firewood storage chamber 5 which can be opened by pulling is arranged below the ash collecting disc 4, a secondary air inlet ring 6 is arranged above the stove grate 2, a smoke return loop 7 is arranged above the secondary air inlet ring 6, a first heat preservation box 8 is also arranged in the stove body 1, a second heat preservation box 9 and a third heat preservation box 10 are arranged above the stove body 1, and a smoke discharge channel 11 is arranged at the upper end of one side of the stove body 1;

the stove grate 2 comprises a metal frame 15, triangular connecting plates 17 which are symmetrically distributed in an array manner are arranged in the metal frame 15, a metal long plate 19 which is symmetrically distributed is arranged above the metal frame 15, the center of the triangular connecting plate 17 is rotatably connected with the metal frame 15, a first bolt 18 is arranged at the upper end of the triangular connecting plate 17, the first bolt 18 penetrates through the triangular connecting plate 17 and is installed on the metal long plate 19, so that the triangular connecting plate 17 is rotatably connected with the metal long plate 19, a fixedly connected metal blade 14 is arranged on the triangular connecting plate 17, a square embedded part 23 is arranged at one side of the metal frame 15, a penetrating arc-shaped groove is arranged in the square embedded part 23, an arc-shaped rotating screw rod 20 is arranged in the arc-shaped groove, one end of the screw rod 20 is connected with the metal frame 15, a fixedly connected connecting rod 21 is arranged at the other end of the screw rod 20, a penetrating fixedly connected second bolt 22 is arranged on the connecting rod 21, and the second bolt 22 is rotatably connected with the square embedded part 23, one side of the upper end of the connecting rod 21 is provided with a horizontal rotating shaft 24 which is fixedly connected, one end of the horizontal rotating shaft 24 is provided with an L-shaped handle 3 which is in threaded connection, the L-shaped handle 3 is rotated to drive the screw rod 20 to rotate, and the screw rod 20 drives the metal long plate 19 to rotate and lift, so that the metal blades 14 distributed in an array mode are driven to rotate to open and close.

The stove body 1 is internally provided with a heat insulation material 12 and a phase change material 13.

The invention is provided with a primary air inlet and a secondary air inlet ring 6, and air passes through the gap in the grate 2 through the air inlet below the stove door to contact firewood, thereby generating combustion reaction.

The stove grate 2 is in a shutter type design, and the angle of the metal blades 14 can be adjusted through the L-shaped handle 3, so that the gap of the stove grate 2 is adjusted, and the stove grate is suitable for firewood of different sizes and types and for controlling the air inlet area.

Rotating L type handle 3 can drive the terminal screw rod of connecting rod and rotate along the fulcrum to drive the triangle connecting piece of establishing ties on the metal long slab, make the blade rotate around self center pin.

The heat insulation material 12 in the stove body 1 ensures that the heat in the stove chamber is not diffused and lost outwards, three chambers are arranged in the smoke returning loop 7, an inner wall hole 25 is formed in the inner wall of the innermost chamber close to the stove door and is connected with the stove chamber, and the radian occupied by the hole is 2/3-1/2; the inner wall of the second layer of cavity, which is centripetal and far away from the oven door, is provided with a hole; an outer wall outlet 26 is formed in the outer wall of one side, far away from the stove door, of the third-layer chamber, the outer wall outlet 26 is directly connected with the horizontal section of the smoke discharge flue, the outer wall outlet 26 is smaller than the inner wall opening 25, and the 4-8 cm-deep space outside the smoke return circular flue 7 is filled with rock wool, expanded perlite or other heat insulation materials. One surface of each of the three chambers is in direct contact with the bottom of the pot, the heat conductivity is good, high-temperature flue gas can enter the discharge flue 11 from the hearth through the device, and the specific flue gas advancing track of the high-temperature flue gas enters from the inner wall hole 25 and enters the discharge flue 11 through the outer wall outlet 26 after passing through the three chambers.

The device is provided with a longer exhaust flue 11, the high-temperature flue gas is further cooled in the cavity, and the heat of the high-temperature flue gas is absorbed for heating and insulating food during cooking;

a second heat insulation box 9 and a third heat insulation box 10 are arranged at the positions close to the discharge flue 11, and phase change materials 13 are filled in the common parts of the second heat insulation box and the third heat insulation box, so that the waste heat of the flue gas can be further absorbed; the first heat preservation box 8 is arranged in the stove body, an opening is formed in the opposite side or the side face of the stove door, an upper interlayer is filled with the phase change material 13, and interlayers at other parts are filled with the heat preservation material 12; the second heat preservation box 9 and the third heat preservation box 10 are arranged on the cooking bench, phase change materials 13 are filled in an interlayer of a part connected with the smoke exhaust 11, heat preservation materials 12 are filled in other parts, and the first heat preservation box 8, the second heat preservation box 9 and the third heat preservation box 10 can be used for heat preservation after cooking of dishes.

The phase-change material 13 is filled in the horizontal section and part of the vertical section of the discharge flue 11, part of the sections are shared with the heat preservation box, the phase-change material 13 is filled in the common surface, the temperature of the selected phase-change material is 40-50 ℃, when the temperature of high-temperature flue gas is higher than the phase-change temperature, the heat preservation box draws heat from the discharge flue 11, and meanwhile, the heat preservation material 12 on the other surfaces of the heat preservation box can reduce the heat loss, thereby playing the role of preserving dishes.

The discharge flue 11 is a metal pipe with a rectangular cross section and double pipe walls, the distance between the two layers of metal is 2-8cm, and the height of the pipe wall of the discharge flue 11 below the top surface of the third insulation can 10 is filled with materials: the part connected with the heat preservation box is filled with a phase change material 13, and the other part is filled with a heat preservation material 12.

The smoke returning loop 7 is an integral framework, and the height of the stove body should be controlled in the construction process in order to ensure the joint with the bottom of the pot. The design principle of the smoke returning loop 7 is to prolong the cooling length of smoke and increase the recovery rate of heat.

The specific materials used for the thermal insulation material 12 and the phase change material 13 can be used as long as the conditions of the thermal insulation and high temperature resistance function and a certain phase change temperature range are met.

The stove body 1 comprises a primary air inlet, a stove door and a stove hearth, the inner wall of the stove hearth is made of refractory materials, and heat insulation materials are filled in the stove body 1.

The secondary air inlet ring 6 is of a double-layer hollow annular structure, and a plurality of air holes are formed in the surface of the secondary air inlet ring.

The first heat preservation box 8, the second heat preservation box 9 and the third heat preservation box 10 are all of double-layer color steel plate sandwich structures and are connected with a discharge flue, a composite phase change material formed by mixing mortar and a phase change material 13 is filled in interlayers of wall surfaces shared by the first heat preservation box 8, the second heat preservation box 9, the third heat preservation box 10 and the discharge flue, heat preservation materials 12 are filled in other parts, and the box body thicknesses of the first heat preservation box 8, the second heat preservation box 9 and the third heat preservation box 10 are 2-5 cm.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.