Device for recovering waste heat of tunnel kiln
A technology of waste heat recovery device and tunnel kiln, which is applied in waste heat treatment, lighting and heating equipment, furnaces, etc., and can solve problems such as high fuel costs, backward combustion system structure, waste heat waste, etc.
Inactive Publication Date: 2011-05-25
王文庭
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Problems solved by technology
[0002] At present, the fuel cost of ceramic tunnel kilns remains high. In addition to the backward structure of the combustion system and low thermal efficiency, it is also a very important aspect that a large amount of waste heat is emitted to the atmosphere in the cooling area and wasted.
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[0009] exist figure 1 In the embodiment, the fired ceramic product must be cooled through the cooling zone (C5) in order to meet the quality requirements and to carry out manual operation. After firing, the temperature of the ceramic body before entering the cooling zone (C5) is about 500°, and the cooling method is natural cooling, so that the heat can be dissipated naturally in the workshop. If the heat is recycled, it saves fuel and optimizes the production environment.
[0010] exist figure 2 In the embodiment, the present invention installs heat pump ② on the left side between tunnel kiln cooling zone (C4) and cooling zone (C5), and installs cooling fan ① on the right side of kiln body (B), and the other side of cooling fan ① is A trumpet-shaped heat absorber ⑤ is made on the left side of the kiln body (B), and then connected to the inlet of the heat pump ② through the heat-absorbing pipe ③, the outlet of the heat pump ② is connected to one end of the heat transfer pip...
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The invention relates to a device for recovering waste heat of a tunnel kiln comprising a cooling fan, a heat pump, a heat-absorption pipeline, a heat-transfer pipeline and a heat absorber. The cooling fan is mounted on the right side of a kiln body between a temperature-decreasing area and a cooling area, and the trumpet-shaped heat absorber is arranged on the left side thereof, and connected with the heat-absorption pipeline. A small open of the heat absorber is connected to an inlet of the heat pump via the heat-absorption pipeline, and an outlet of the heat pump is connected to the heat-transfer pipeline, the other end of the heat-transfer pipeline is inserted into a pre-heating area. The waste heat of the ceramic is pushed off the ceramic by the cooling fan and into the trumpet open area of the heat absorber, the heat is absorbed by the heat pump via the heat absorber and the heat-absorption pipeline, the absorbed heat is sent to the anterior of the kiln through the heat-absorption pipeline for preheating the ceramic blank before into the low temperature area.
Description
Technical field: [0001] The invention relates to a waste heat recovery device, in particular to a system device for recovery of waste heat from a ceramic tunnel kiln. Background technique: [0002] At present, the fuel cost of the ceramic tunnel kiln remains high. In addition to the backward structure of the combustion system and low thermal efficiency, it is also a very important aspect that a large amount of waste heat is dissipated into the atmosphere in the cooling zone and wasted. With energy shortages and fierce market competition, effectively reducing heating costs and reducing emissions has become the focus of attention of various enterprises. Invention content: [0003] The object of the present invention is to provide a waste heat recovery device for a ceramic tunnel kiln, which can reduce fuel costs and improve heat energy utilization by recovering and utilizing the waste heat that needs to be dissipated from the high temperature state of ceramics in the cooling...
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IPC IPC(8): F27D17/00
CPCY02P80/15
Inventor 王文庭
Owner 王文庭