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Air heater in food baking oven

A technology for a hot blast stove and a baking oven, which is applied in the fields of food baking equipment and hot blast stoves, can solve the problems of low heat exchange rate and hygienic requirements, and achieve the effects of ensuring safety and hygiene, increasing the length and increasing the exchange area.

Inactive Publication Date: 2013-01-16
新麦机械(中国)股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The applicant aims at the above-mentioned problems of low heat exchange rate of the existing hot blast stoves and the fact that the tail gas directly contacts the food and does not meet the hygienic requirements, conducts research and improvement, and provides another hot blast stove used in the food baking box, thereby improving the heat exchange of the heat exchange tubes rate, and at the same time exhaust the exhaust gas from the oven to ensure food safety and sanitation

Method used

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Embodiment Construction

[0014] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.

[0015] Such as figure 1 As shown, the present invention includes a baking box 1, a heat exchange pipe 2, a fan 3 and a burner 6. The side and top surface of the baking box 1 are respectively provided with an air inlet and an air outlet; the heat exchange pipe 2 is installed in the baking box 1, including a heating section 2-1, a cooling section 2-2 and an exhaust section 2-3; the heating section 2 -1 is a straight pipe, one end of which communicates with the air inlet on the baking box 1 through the flange 5; the heat dissipation section 2-2 is an L-shaped elbow pipe, one end of which is in transition communication with the other end of the heating section 2-1, and the heat dissipation section The other end of 2-2 is in transit communication with one end of exhaust pipe 2-3; Exhaust pipe 8 is installed on the outside of described air out...

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Abstract

The invention discloses an air heater in a food baking oven. The air heater comprises a baking oven, a heat exchange tube, a fan, and a burner. The heat exchange tube and the fan are disposed in the baking oven. The burner is disposed outside the air heater. The baking oven is provided with an air inlet and an air outlet. The heat exchange tube comprises a heating segment, a radiating segment and a tail gas segment. The heating segment is a linear tube, and one end of the heating segment is communicated with the air inlet. The radiating segment is a bend, and one end of the radiating segment is communicated with the other end of the heating segment. The other end of the heating segment is in transitional communication with one end of a tail gas tube. The tail gas tube is also a bend, and the other end of the tail gas tube is communicated with the air outlet of the baking oven. A nozzle of the burner is disposed inside the heating segment. The fan is disposed on the side wall of the baking oven. Heat exchange efficiency of the heat exchange tube can be improved, tail gas is exhausted from the baking oven, and safety and sanitation of food can be guaranteed.

Description

technical field [0001] The invention relates to the field of food baking equipment, in particular to the field of hot air stoves in baking boxes. Background technique [0002] The hot air stove is an important part of the baking box, which is used to provide the heat energy required for baking food, and its main components are the burner and the heat exchange tube. The heat exchange tubes in current hot blast stoves are usually U-shaped structures. The length of the heat exchange tubes of this structure is relatively short, so that the contact area between the heat in the tubes and the air in the oven is small, and the time for the heat to stay in the heat exchange tubes is relatively small. It is also relatively short, and the heat exchange rate is low; at the same time, the tail end in the heat exchange tube is directly connected to the inside of the baking box, and the exhaust gas will directly contact the food, which does not meet the environmental protection and hygiene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A21B1/26A21B3/00
Inventor 吕国宏
Owner 新麦机械(中国)股份有限公司
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