CN111256171A - A stove for waste heat utilization - Google Patents

Abstract

The invention discloses a waste heat utilization stove which comprises a stove body, wherein the stove body is provided with a burner body, the stove also comprises a support assembly, the support assembly comprises a pot support and a bottom frame, the pot support is arranged on the bottom frame and used for supporting a pot, the bottom frame is arranged on the stove body and arranged around the periphery of the burner body, the burner body generates heat to heat the pot in the cooking process, and meanwhile, the heat emitted from the burner body to the outer side is absorbed by the bottom frame. The structure is simple, and the heat convection and the heat radiation to the surrounding environment when the stove burns can be effectively reduced, so that the utilization of the waste heat of the stove is improved, and the heat energy loss is reduced.

Description

A stove for waste heat utilization

technical field

The invention relates to the technical field of kitchen appliances, in particular to a cooker for utilizing waste heat.

Background technique

In the technical field of domestic stoves, since the gas combustion of the stove is in an open environment, the utilization rate of the calorific value of the gas combustion is relatively low.

Due to the public's preference, cookers tend to be high-power, and the power is gradually increased from 3.0KW to 5.0KW and above, so that the amount of waste heat loss in the use of cookers is increasing. Taking a 4.5KW single-eye cooker as an example, according to the cooking time of each meal for 30 minutes, the waste heat lost is about: 4.5*(1-63%)*(0.5*3600)=1584KJ, the specific heat capacity of water is 4.2KJ/ Kg·°C, assuming that the initial temperature of water is 25°C, the lost waste heat energy can heat 5Kg of water to the state of boiling water (100°C). It can be seen that the prospect of using the waste heat of the stove is quite attractive! At the same time, energy saving and environmental protection are the themes of today's world, so the effective utilization of the waste heat lost by the combustion of the cooker has become an urgent technical problem to be solved in the existing cooker.

SUMMARY OF THE INVENTION

The present invention aims to solve one of the problems existing in the related art at least to a certain extent. Therefore, the present invention proposes a cooker for utilizing waste heat, which has a simple structure and can effectively reduce the heat to the surrounding environment when the cooker burns. Convection and heat radiation, thereby improving the utilization of the waste heat of the cooker and reducing the heat loss.

The above purpose is achieved through the following technical solutions:

A cooker for utilizing waste heat, comprising a cooker body, the cooker body having a burner body, and a support assembly, the support assembly including a pot support and a bottom frame, wherein the pot support is arranged on the bottom frame for use For supporting the cookware, the bottom frame is arranged on the cooker body and is arranged around the periphery of the burner body. During the cooking process, the burner body generates heat to heat the cookware, and at the same time, the burner body generates heat to heat the cookware. The heat radiated to the outside by the burner body is absorbed by the bottom frame.

In some embodiments, support feet are provided at the bottom of the base frame for supporting the base frame.

In some embodiments, the number of the support feet is multiple, and the multiple support feet are arranged at intervals along the perimeter direction of the bottom of the chassis to form a secondary path between two adjacent support feet. wind channel.

In some embodiments, it further includes a liquid storage tray, the liquid storage tray is disposed on the cooktop body and sleeved on the outer side of the burner body, and the bottom frame is disposed on the storage tray through the support feet. on the liquid pan.

In some embodiments, the bottom frame has an accommodation cavity, and the flame of the burner body radiates heat to the liquid contained in the accommodation cavity.

In some embodiments, a cover plate is further included, and the cover plate is detachably disposed on the accommodating cavity.

In some embodiments, the bottom frame has a bottom plate, an inner side plate and an outer side plate respectively arranged on both sides of the bottom plate, and the inner side plate is located on the side of the bottom plate close to the burner body, through which The inner side panel, the bottom panel and the outer side panel are connected in sequence to jointly define the accommodating cavity.

In some embodiments, the number of the pot supports is plural, and the plurality of the pot supports are arranged on the inner panel at intervals.

In some embodiments, the height of the top of the pan support is higher than the height of the top of the base frame.

Compared with the prior art, the present invention at least includes the following beneficial effects:

1. The cooker for waste heat utilization of the present invention has a simple structure, which can effectively reduce the heat convection and heat radiation to the surrounding environment when the cooker burns, thereby improving the utilization of the cooker's waste heat and reducing heat loss.

2. Its reasonable design can effectively improve thermal efficiency, thereby achieving the purpose of energy saving and environmental protection.

Description of drawings

Fig. 1 is the exploded schematic diagram of the cooker in the embodiment of the present invention;

Fig. 2 is the side view of the cooker in the embodiment of the present invention;

Fig. 3 is the top view of the cooker in the embodiment of the present invention;

Fig. 4 is the first structural schematic diagram of the bracket assembly in the embodiment of the present invention;

FIG. 5 is a second structural schematic diagram of the bracket assembly in the embodiment of the present invention.

Detailed ways

In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Embodiments are part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work shall fall within the scope of the technical solutions claimed in the present invention.

As shown in FIGS. 1 to 5 , the present embodiment provides a cooker for utilizing waste heat, including a cooktop body 1 , the cooktop body 1 has a burner body 2 , and also includes a bracket assembly, which includes a pot bracket 4 and a bottom bracket 5 , wherein The pot support 4 is arranged on the bottom frame 5 for supporting the pot. The bottom frame 5 is arranged on the cooker body 1 and is arranged around the periphery of the burner body 2. During the cooking process, the burner body 2 generates heat to perform heat on the pot. At the same time, the heat emitted from the burner body 2 to the outside is absorbed by the chassis 5 .

In this embodiment, the cooker body 1 is provided with a burner body 2 and a bracket assembly, wherein the burner body 2 is connected to the external air supply to generate flame to burn the cookware, and the bottom frame 5 is arranged around the burner body 2 The outer periphery of the base frame 5 is provided with a pot support 4 to support the pot used for cooking at the upper position of the burner body 2. During the cooking process, the burner body 2 generates heat to heat the pot, and at the same time, The burner body 2 also dissipates heat to the periphery, and most of this heat is absorbed by the chassis 5 through thermal radiation, conduction and convection. The chassis 5 isolates the heat generated by the burner body 2 from the outside, and burn The heat radiation and heat convection generated in the surrounding environment are absorbed by the bottom frame 5, so that the waste heat can be reused, and the structure is simple, which can effectively reduce the heat convection and heat radiation to the surrounding environment when the cooker burns, thereby improving the waste heat of the cooker. The bottom frame 5 is used to absorb the heat radiated to the outside by the flame. In addition, the bracket assembly can be independently installed on the ordinary cooker, so that the ordinary cooker can also have the function of waste heat utilization, so that the bracket assembly can be further improved. applicability.

In this embodiment, the cooker may be a gas cooker or a fully premixed combustion cooker. Of course, other types of cookers can also be selected according to actual needs. The cooker in this embodiment is described by taking a gas cooker as an example, and other types of cookers will not be used. Repeat. When the cooker is a gas cooker, the burner body 2 generates flame to heat the pot during the cooking process to cook the food, and at the same time, the heat emitted by the flame to the outside is absorbed by the bottom frame 5 to realize the reuse of waste heat; or when the cooker is fully pre-heated In the case of the mixed-burning cooktop, the burner body 2 generates infrared rays to heat the pot during the cooking process to cook the food, and at the same time, the heat emitted by the infrared rays to the outside is absorbed by the bottom frame 5 to realize the reuse of waste heat.

Further, the bottom of the base frame 5 is provided with a support foot 51 for supporting the base frame 5 , which has a simple structure and convenient operation, and can effectively improve the installation stability of the base frame 5 .

Preferably, the number of the support feet 51 is multiple, and the multiple support feet 51 are arranged at intervals along the perimeter direction of the bottom of the chassis 5 to form a secondary air inlet channel between two adjacent support feet 51, and the design is reasonable, Ingenious, it can effectively ensure the reliability of the burner body 2 when burning.

Specifically, it also includes a liquid storage tray 6, which is arranged on the cooker body 1 and sleeved on the outside of the burner body 2, and the bottom frame 5 is arranged on the liquid storage tray 6 through the supporting feet 51, and has a simple structure, compact.

In this embodiment, a liquid pan 6 is sleeved on the outer side under the burner body 2 , and a supporting leg 51 is protruded from the bottom of the base frame 5 for fixing the base frame 5 on the cooktop body 1 or storing it. On the liquid pan 6 , the bottom of the supporting feet 51 is in contact with the liquid containing pan 6 , and a plurality of supporting feet 51 are arranged at intervals along the perimeter direction of the bottom of the chassis 5 . A secondary air inlet channel that is beneficial to gas combustion is jointly formed between them, so as to further ensure the reliability of the burner body 2 during combustion.

Preferably, the bottom frame 5 has an accommodating cavity 52, and the flame of the burner body 2 radiates heat to the liquid contained in the accommodating cavity 52, and the design is reasonable, so that the cooker can maximize the use of the waste heat of the burner body 2, and then Improve thermal efficiency.

Further, the cover plate 7 is also included, and the cover plate 7 is detachably disposed on the accommodating cavity 52 , which has a simple structure, is easy to operate, and can further improve the user experience.

Preferably, the bottom frame 5 has a bottom plate 53 and inner and outer plates 54 and 55 respectively disposed on both sides of the bottom plate 53 . Connected in sequence to jointly define the accommodating cavity 52, the structure is simple and compact, and the bottom frame 5 can effectively absorb the heat radiated from the burner body 2 to the outside, thereby effectively improving the thermal efficiency, thereby achieving the purpose of energy saving and environmental protection.

Specifically, the number of pot supports 4 is multiple, and the plurality of pot supports 4 are arranged on the inner side plate 54 at intervals. The structure is simple and the design is reasonable, which can further improve the stability of supporting the pot.

In this embodiment, the bottom frame 5 has a bottom plate 53 and inner and outer plates 54 and 55 respectively disposed on both sides of the bottom plate 53, wherein the inner plate 54 is located on the side of the bottom plate 53 close to the burner body 2, and the outer plate 55 Located on the bottom plate 53 on the side away from the burner body 2, the inner plate 54, the bottom plate 53 and the outer plate 55 are connected in sequence to jointly define an accommodating cavity 52 with an open top. The cover plate 7 is matched with the open end of the accommodating cavity 52. Connected so that the cover plate 7 is detachably provided at the top position of the pair of accommodating chambers 52 . In this embodiment, the cross section of the bracket assembly is preferably a circular shape, but it is not limited to a circular shape. Other more suitable shapes can also be selected according to actual needs. When the cross section of the bracket assembly is a circular shape, the combustion The device body 2 is arranged on the inner side of the bracket assembly.

During the cooking process, the user can take out the cover plate 7 to pour cold water at room temperature into the accommodating cavity 52, and then after the stove is ignited and burned, the flame will heat the pot above the pot holder 4, and at the same time, the flame will go to the outside The dissipated heat is absorbed by the bottom frame 5 to heat the cold water in the accommodating cavity 52 so as to realize the reuse of the waste heat. In addition, by arranging the pot holder 4 on the inner side plate 54 of the bottom frame 5, the flame of the burner body 2 heats the pot during cooking, and the heat radiation, heat convection and heat conduction generated after the pot holder 4 absorbs heat is absorbed by the bottom Rack 5 absorbs.

In particular, the height of the top of the pot support 4 is higher than the height of the top of the bottom frame 5, and its design is reasonable, which can facilitate the discharge of flue gas generated during combustion.

In this embodiment, after the accommodating cavity 52 is filled with cold water and the cover plate 7 is covered on the accommodating cavity 52, the height of the top surface of the pot support 4 is higher than the height of the top surface of the bottom frame 5 after being placed in place. When the utensils are placed on the pot support 4, a gap is formed between the bottom of the pot and the top of the bottom frame 5, so that the flue gas generated during combustion can be discharged out through the gap.

The foregoing are merely some of the embodiments of the present invention. For those of ordinary skill in the art, without departing from the inventive concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention.

Claims (9)

1. The utility model provides a cooking utensils of waste heat utilization, includes cooking utensils body (1), cooking utensils body (1) has combustor body (2), its characterized in that still includes the bracket component, the bracket component includes pot support (4) and chassis (5), wherein pot support (4) set up in order to be used for supporting the pan on chassis (5), chassis (5) set up in on cooking utensils body (1) and surround set up in the periphery of combustor body (2), the culinary art in-process, combustor body (2) produce the heat right the pan heats, simultaneously, the heat that combustor body (2) distribute toward the outside quilt chassis (5) absorb.

2. A waste heat utilizing hob according to claim 1, characterized in, that support feet (51) are provided at the bottom of the base frame (5) for supporting the base frame (5).

3. The kitchen range using waste heat as claimed in claim 2, wherein the supporting feet (51) are multiple in number, and the supporting feet (51) are arranged at intervals along the circumferential direction of the bottom frame (5) to form a secondary air inlet channel between two adjacent supporting feet (51).

4. The kitchen range utilizing waste heat as claimed in claim 2, further comprising a liquid containing tray (6), wherein the liquid containing tray (6) is arranged on the kitchen range body (1) and sleeved outside the burner body (2), and the bottom frame (5) is arranged on the liquid containing tray (6) through the supporting legs (51).

5. A waste heat stove according to claim 1, characterised in that the base frame (5) has a receiving cavity (52), and the flame of the burner body (2) radiatively heats the liquid contained in the receiving cavity (52).

6. A waste heat utilizing hob according to claim 5, characterized in, that it further comprises a cover plate (7), the cover plate (7) being detachably arranged on the receiving cavity (52).

7. A waste heat utilizing hob according to claim 5, characterized in, that the base frame (5) has a bottom plate (53) and an inner side plate (54) and an outer side plate (55) respectively arranged at both sides of the bottom plate (53), the inner side plate (54) is located at the bottom plate (53) at a side close to the burner body (2), and the inner side plate (54), the bottom plate (53) and the outer side plate (55) are connected in sequence to jointly define the receiving cavity (52).

8. The waste heat utilization cooking range according to claim 7, wherein the number of the pot supports (4) is multiple, and the pot supports (4) are arranged on the inner side plate (54) at intervals.

9. A waste heat utilization hob according to any one of the claims 1 to 8, characterized in, that the height of the top of the pot support (4) is higher than the height of the top of the base frame (5).

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