阅读说明：本技术 一种用于烘烤食品的隧道炉 (Tunnel furnace for baking food ) 是由 王洪兴 于 2020-12-18 设计创作，主要内容包括：本发明公开了一种用于烘烤食品的隧道炉,包括输送台和烤仓。有益效果：本发明采用了蒸汽发生器、第一分流管、端抽气箱和第二分流管,在进行烘烤时,蒸汽发生器产生蒸汽经过第一分流管进入到烤仓中,多余的蒸汽从进出口流出,此时,端抽气箱中的抽气涡轮启动,将流出的蒸汽抽至端抽气箱中,并进入到第二分流管中,在进入第二分流管时,蒸汽经过加热丝二次加热,被重新提高温度的蒸汽进过第二分流管从第二喷头中喷出,端抽气箱抽取了飘散出来的蒸汽并加热后重新输回烤仓,避免蒸汽外泄引起的热量外泄,反复利用了蒸汽,减少了蒸汽浪费,节约了能源,避免蒸汽飘散到工作环境中引起工作环境能见度降低,从而便于清洁生产,使用功能更加丰富。(The invention discloses a tunnel oven for baking food, which comprises a conveying table and a baking bin. Has the advantages that: the invention adopts the steam generator, the first shunt pipe, the end extraction box and the second shunt pipe, when baking, the steam generator generates steam which enters the roasting bin through the first shunt pipe, and redundant steam flows out from the inlet and the outlet, at the moment, the air exhaust turbine in the end air exhaust box is started to exhaust the outflow steam into the end air exhaust box and enter the second shunt pipe, when getting into the second shunt tubes, steam is through heater strip secondary heating, the steam that is raised the temperature again enters second shunt tubes and spouts from the second shower nozzle, the end exhaust chamber has extracted the steam that drifts away and has heated the back and defeated again and back roast the storehouse, the heat that avoids steam to leak and arouse leaks, steam has been utilized repeatedly, it is extravagant to have reduced steam, the energy has been practiced thrift, avoid steam to drift to arouse in the operational environment that operational environment visibility reduces, thereby be convenient for cleaner production, service function is abundanter.)

1. The invention discloses a tunnel oven for baking food, which comprises a conveying table and a baking bin.

2. Has the advantages that: the invention adopts the steam generator, the first shunt pipe, the end extraction box and the second shunt pipe, when baking, the steam generator generates steam which enters the roasting bin through the first shunt pipe, and redundant steam flows out from the inlet and the outlet, at the moment, the air exhaust turbine in the end air exhaust box is started to exhaust the outflow steam into the end air exhaust box and enter the second shunt pipe, when getting into the second shunt tubes, steam is through heater strip secondary heating, the steam that is raised the temperature again enters second shunt tubes and spouts from the second shower nozzle, the end exhaust chamber has extracted the steam that drifts away and has heated the back and defeated again and back roast the storehouse, the heat that avoids steam to leak and arouse leaks, steam has been utilized repeatedly, it is extravagant to have reduced steam, the energy has been practiced thrift, avoid steam to drift to arouse in the operational environment that operational environment visibility reduces, thereby be convenient for cleaner production, service function is abundanter.

Technical Field

The invention relates to the technical field of tunnel ovens, in particular to a tunnel oven for baking food.

Background

The tunnel oven (food processing type) is a tunnel mechanical equipment for baking food by means of heat conduction, convection and radiation, its oven body is very long, minimum 6 m is 60-80 m, its baking chamber is a long and narrow tunnel whose width is 80 cm-140 cm, and in the tunnel interior a continuously-operated conveying system is set, and when the food is baked, the food can be passed through the conveying chain plate, steel belt or net belt and electric heating element or direct-fired combustion rod and can be moved relatively so as to implement uniform baking and conveying work.

The traditional tunnel oven is easy to over dry the baked objects, especially certain breads, the taste is influenced by the over dry baking, the method of adding steam for moisturizing is already provided at the present stage, the taste is greatly prompted, however, the steam can be discharged from the inlet and the outlet at the two ends of the tunnel oven, which causes a great deal of steam waste, the waste steam contains a great deal of heat, meanwhile, a large amount of energy is consumed for producing steam, the waste of the steam directly causes the waste of the energy, the environment is not protected, meanwhile, the steam drifts into the working environment, which causes the visibility of the working environment to be reduced, and is not beneficial to the operation of working personnel, in addition, the baked goods are usually cooled naturally, the cooling time is longer, and the working environment for installing the tunnel oven is hotter, which is not beneficial to cooling articles, thus leading the production period to be longer, being not beneficial to improving the production efficiency and being capable of further improving.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the tunnel furnace for baking the food, which has the advantages of avoiding over-drying of the baked food, recycling steam, saving energy, facilitating clean production, reducing cooling waiting time and improving production efficiency, thereby solving the problems in the background art.

(II) technical scheme

In order to realize the advantages of avoiding the articles from being baked too dry, repeatedly utilizing steam, saving energy, facilitating clean production, reducing cooling waiting time and improving production efficiency, the invention adopts the following specific technical scheme:

a tunnel furnace for baking food comprises a conveying table and a baking bin, wherein the top surface of the conveying table is fixedly provided with the baking bin, an electric heating tube is fixedly arranged in the baking bin, a steam generator is arranged on one side of the conveying table, the top surface of the baking bin is provided with a first shunt pipe, one end of the first shunt pipe is communicated with the steam output end of the steam generator, the surface of the first shunt pipe is communicated and connected with a first gas pipe through a tee joint, the first gas pipe penetrates through the top surface of the baking bin and extends into the baking bin, the bottom surface of the first gas pipe is communicated and connected with a first nozzle, the two ends of the baking bin are provided with an inlet and an outlet, end air exhaust boxes are fixedly arranged at the two ends of the baking bin above the inlet and the outlet, air exhaust turbines are arranged in the end air exhaust boxes, the top surface of the end air exhaust boxes is communicated and connected with a second, and the second gas-supply pipe runs through roast storehouse and extends to roast storehouse inside, second gas-supply pipe bottom surface through connection has the second shower nozzle, the end air exhaust incasement top surface is located the end top of giving vent to anger of air exhaust turbine and installs the heater strip.

Further, carry platform one end top surface mount to be equipped with the cooling storehouse, and cooling storehouse top surface through connection has a hood to the hood top surface has the third shunt through tee bend through connection, the third shunt other end through connection has the air-blower, hood internally mounted has axial fan.

Furthermore, the bottom surface of the end air exhaust box is of a through structure, the top surface of the end air exhaust box is of a funnel-shaped structure, and the length of the end air exhaust box is equal to the width of the baking bin.

Furthermore, the two ends of the cooling bin are provided with an inlet and an outlet, and the width of the cooling bin is the same as that of the baking bin.

Furthermore, first shower nozzle and second shower nozzle all are provided with a plurality ofly, and first shower nozzle and second shower nozzle equidistance are arranged.

Furthermore, the top cover is provided with a plurality of air outlets, and the air outlet direction of the axial flow fan is vertical downward.

(III) advantageous effects

Compared with the prior art, the invention provides the tunnel furnace for baking the food, which has the following beneficial effects:

(1) the invention adopts a steam generator, a first shunt pipe, an end extraction box and a second shunt pipe, when in baking, articles are conveyed to the interior of the baking bin by a conveying platform, an electric heating pipe heats the baked articles, meanwhile, steam generated by the steam generator enters the baking bin through the first shunt pipe to moisturize the articles, the articles are prevented from being dried excessively and cracked, redundant steam flows out from an inlet and an outlet, at the moment, an air exhaust turbine in the end extraction box above the inlet and the outlet is started to exhaust the outflow steam into the end extraction box and enters the second shunt pipe, when the steam enters the second shunt pipe, the steam is heated secondarily by a heating wire to increase the steam temperature again, the steam with the increased temperature again enters the second shunt pipe to be sprayed out from a second spray head to moisturize the articles, the end extraction box extracts the scattered steam and heats the steam and then conveys the steam back to the baking bin again, the steam heating device has the advantages that heat caused by steam leakage is prevented from leaking, steam is repeatedly utilized, steam waste is reduced, energy is saved, meanwhile, the situation that visibility of a working environment is reduced due to the fact that the steam drifts to the working environment is avoided, accordingly, clean production is facilitated, and the using function is richer.

(2) The cooling bin is adopted, the top cover on the top surface of the cooling bin is in through connection with the air blower through the third flow dividing pipe, the air blower can be installed outside the room with lower temperature, the articles are conveyed into the cooling bin by the conveying table after being baked, cold air is extracted by the air blower and is input into the top cover, and the cold air is blown to the baked articles through the guide of the axial flow fan, so that the cooling of the articles is accelerated, the cooling waiting time is shortened, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of the internal structure of a tunnel oven for baking food in accordance with the present invention;

FIG. 2 is a front view of a tunnel oven for toasting food products in accordance with the present invention;

fig. 3 is a schematic view of the external structure of the end extraction box according to the present invention.

In the figure:

1. a conveying table; 2. roasting the bin; 3. a first shunt pipe; 4. a first gas delivery pipe; 5. a first nozzle; 6. an electric heating tube; 7. a second shunt pipe; 8. a second gas delivery pipe; 9. a second nozzle; 10. an end extraction box; 11. an air extraction turbine; 12. an inlet and an outlet; 13. heating wires; 14. a blower; 15. a cooling bin; 16. a third shunt pipe; 17. a top cover; 18. an axial flow fan; 19. a steam generator.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the present invention, a tunnel oven for baking food products is provided.

Referring to the drawings and the detailed description, the invention is further described, as shown in fig. 1-3, a tunnel oven for baking food according to an embodiment of the invention includes a conveying table 1 and a baking chamber 2, the baking chamber 2 is fixedly installed on the top surface of the conveying table 1, and an electric heating tube 6 is fixedly installed inside the baking chamber 2, which is a common heating and baking structure and not described herein, a steam generator 19 is installed on one side of the conveying table 1, a first shunt tube 3 is installed on the top surface of the baking chamber 2, one end of the first shunt tube 3 is connected to a steam output end of the steam generator 19, a first air pipe 4 is connected to the surface of the first shunt tube 3 through a tee joint, the first air pipe 4 penetrates through the top surface of the baking chamber 2 and extends into the baking chamber 2, a first nozzle 5 is connected to the bottom surface of the first air pipe 4, an inlet and an outlet 12 are opened at two ends of the baking, the article can be conveniently fed in and out, an end air extracting box 10 is fixedly arranged at two ends of the baking bin 2 above the inlet and outlet 12, an air extracting turbine 11 is arranged in the end air extracting box 10, the end air extracting box is common air extracting equipment and is widely used in a range hood, and not described herein, a second shunt pipe 7 is connected to the top surface of the end air extracting box 10 in a penetrating way, a second air conveying pipe 8 is connected to the surface of the second shunt pipe 7 in a penetrating way through a tee joint, the second air conveying pipe 8 penetrates through the baking bin 2 and extends into the baking bin 2, a second spray nozzle 9 is connected to the bottom surface of the second air conveying pipe 8 in a penetrating way, a heating wire 13 is arranged above the air outlet end of the air extracting turbine 11 on the top surface in the end air extracting box 10, when the baking is carried out, the article is conveyed to the baking bin 2 by the conveying table 1, the electric heating tube 6 heats the baked article, the excessive drying and cracking of the articles are avoided, the redundant steam flows out from the inlet and the outlet 12, at the moment, the air exhaust turbine 11 in the end air exhaust box 10 positioned above the inlet and the outlet 12 is started, the flowing steam is pumped into the end air exhaust box 10 and enters the second shunt pipe 7, when the steam enters the second shunt pipe 7, the steam is heated for the second time by the heating wire 13, the temperature of the steam is increased again, the steam with the increased temperature again enters the second shunt pipe 7 and is sprayed out from the second spray head 9, the articles are moisturized, the end air extraction box 10 extracts the scattered steam and re-conveys the steam back to the baking bin 2 after heating, the heat leakage caused by the steam leakage is avoided, the steam is repeatedly utilized, the steam waste is reduced, the energy is saved, meanwhile, the reduction of the visibility of the working environment caused by the steam drifting to the working environment is avoided, so that the cleaning production is convenient, and the use function is more abundant.

In one embodiment, the top surface fixing frame at one end of the conveying table 1 is provided with a cooling bin 15, the top surface of the cooling bin 15 is connected with a top cover 17 in a penetrating way, the top surface of the top cover 17 is connected with a third shunt tube 16 in a penetrating way through a tee joint, the other end of the third shunt tube 16 is connected with an air blower 14 in a penetrating way, an axial flow fan 18 is installed inside the top cover 17, the third shunt tube 16 is connected with the air outlet end of the air blower 14 in a penetrating way, the air blower 14 can be installed outdoors with lower temperature, after the baking of the article is completed, the article is conveyed into the cooling bin 15 by the conveying table 1, the air blower 14 extracts cold air and inputs the cold air into the top cover 17, the cold air is guided by the axial.

In one embodiment, the bottom surface of the end air extracting box 10 is a through structure, and the top surface of the end air extracting box 10 is a funnel structure, so that the steam is conveniently gathered through the heating wire 13, and the length of the end air extracting box 10 is equal to the width of the roasting bin 2, so that the steam extraction efficiency is higher.

In one embodiment, the cooling chamber 15 is also opened with an inlet and an outlet 12 at both ends, and the width of the cooling chamber 15 is the same as that of the roasting chamber 2, so as to facilitate the entry and exit of the articles.

In one embodiment, the first spray head 5 and the second spray head 9 are provided in plurality, and the first spray head 5 and the second spray head 9 are arranged at equal intervals, so that the steam can be uniformly discharged.

In one embodiment, the top cover 17 is provided in plurality, so as to improve the cooling efficiency, and the air outlet direction of the axial flow fan 18 is vertically downward, so that cold air can be conveniently conveyed to the surface of an article vertically downward.

The working principle is as follows:

when baking, the articles are conveyed to the interior of the baking bin 2 by the conveying table 1, the electric heating tube 6 heats the baked articles, meanwhile, steam generated by the steam generator 19 enters the baking bin 2 through the first shunt tube 3 to preserve moisture for the articles, so that the articles are prevented from being dried excessively and cracked, redundant steam flows out from the inlet and the outlet 12, at the moment, the air exhaust turbine 11 in the end air exhaust box 10 above the inlet and the outlet 12 is started, the flowing steam is exhausted into the end air exhaust box 10 and enters the second shunt tube 7, when the steam enters the second shunt tube 7, the steam is heated for the second time through the heating wire 13 to increase the steam temperature again, the steam with the increased temperature again enters the second shunt tube 7 to be sprayed out from the second spray head 9 to preserve moisture for the articles, the end air exhaust box 10 extracts the scattered steam and heats the steam and then conveys the baking bin 2 again, and heat leakage caused by steam leakage is avoided, steam has been used repeatedly, it is extravagant to have reduced steam, the energy has been practiced thrift, and simultaneously, avoid steam to waft arouse operating environment visibility to reduce in the operating environment, thereby be convenient for cleaner production, service function is abundanter, and simultaneously, article toast the completion back, carried platform 1 to carry inside cooling bin 15, during air-blower 14 extraction cool wind input hood 17, through axial fan 18 direction, the cool wind blows to the article after toasting, article cooling with higher speed, thereby reduce cooling latency, and the production efficiency is improved.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.