CN207276658U - Annealing furnace duct type heat circulating system - Google Patents

Abstract

The utility model belongs to Aluminum Foil Annealing Furnace technical field.A kind of annealing furnace duct type heat circulating system, including annealing stove outer covering, the annealing furnace outer casing inner wall are provided with insulating layer；Annealing furnace inner casing, circulation inner chamber passage is provided between the annealing stove outer covering and annealing furnace inner casing, the circulation inner chamber passage includes flowing chamber and back cavity corresponding with the top of annealing furnace inner casing with the annealing furnace inner casing both sides corresponding two, air inlet is provided with annealing furnace inner casing two side, return air inlet and return air cover are provided with the top of annealing furnace inner casing；And heating component, be provided with the inside of the two side of the annealing furnace inner casing and flow screen, the screen that flows is arranged in arrays, and it is each flow screen and corresponded with air inlet set, adjacent two flow and are provided with connecting rod between screen.The utility model can carry out uniform heat supply to whole annealing furnace, so as to ensure effective progress of whole annealing process, substantially increase the quality and efficiency of the annealing process processing of aluminium foil.

Description

Annealing furnace pipeline heat circulation system

technical field

The utility model belongs to the technical field of aluminum foil annealing furnaces, in particular to a pipe-type heat circulation system of an annealing furnace.

Background technique

After the production of the aluminum foil is completed, an annealing process is required. Since the aluminum foil is stacked in a coil shape, during the annealing process, it is not only necessary to maintain a stable temperature process parameter, but also to ensure the overall annealing uniformity. In addition, traditional annealing The heat utilization efficiency of the furnace is low, and the heat recycling cannot be effectively guaranteed, resulting in high energy consumption and high production costs in the entire production process.

Contents of the invention

The purpose of this utility model is to solve the problems and deficiencies mentioned above, to provide a pipe-type annealing furnace with reasonable structure design, good stability, which can greatly improve the efficiency or uniformity of the annealing process, and effectively realize heat recycling. circulatory system.

In order to achieve the above purpose, the technical solutions adopted are:

A pipe-type heat circulation system for an annealing furnace, comprising: an outer shell of an annealing furnace, an insulating layer is arranged on the inner wall of the outer shell of an annealing furnace; , the circulating inner chamber channel includes two flow equalization chambers corresponding to both sides of the annealing furnace inner shell, and a reflow chamber corresponding to the top of the annealing furnace inner shell, and air inlets are arranged on the two side walls of the annealing furnace inner shell, The top of the inner shell of the annealing furnace is provided with a return air outlet and a return air hood; and a heating assembly, which includes a heating furnace body, an electric heating radiant tube arranged in the heating furnace body, a booster fan, and a corresponding communication with the uniform flow chamber. The air supply fan, the top of the heating furnace body is provided with a return air pipe, and the return air pipe is connected with the return chamber; the inside of the inner shell of the annealing furnace is provided with a current equalizing grid plate, and the current equalizing grid plate They are arranged in a matrix, and each flow equalizing grid plate is set in one-to-one correspondence with the air inlet, and a connecting rod is arranged between two adjacent flow equalizing grid plates.

The recirculation chamber is divided into a left recirculation chamber and a right recirculation chamber by an intermediate partition, and each of the left recirculation chamber and the right recirculation chamber is connected with a group of heating components correspondingly.

A pressure limiting valve is arranged on the return air pipe.

A flow equalization plate is arranged in the flow equalization cavity, and the flow equalization plate includes a plate body, flow equalization grooves uniformly distributed on the plate body, and flow equalization holes opened in the flow equalization grooves.

Multiple sets of temperature detection sensors are arranged in the inner shell of the annealing furnace.

An inspection valve is arranged on the heating furnace body, and a pressure detection sensor is arranged in the inner shell of the annealing furnace.

Adopt above-mentioned technical scheme, the beneficial effect that obtains is:

The utility model has a reasonable structural design, which can provide uniform heat supply to the entire annealing furnace through two sets of systems corresponding to the left and right, thereby ensuring the effective progress of the entire annealing process and greatly improving the quality and efficiency of the annealing process of aluminum foil. At the same time, the overall cycle speed of the application is fast and the heat loss is low, which can effectively reduce the cost and time of the whole process, greatly improve the production efficiency, and facilitate popularization and application.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of the structure of the flow equalizer.

Fig. 3 is a schematic structural diagram of a current equalizing grid.

Serial numbers in the figure: 100 is the outer shell of the annealing furnace, 101 is the insulation layer, 200 is the inner shell of the annealing furnace, 201 is the flow equalization chamber, 202 is the return chamber, 203 is the air inlet, 204 is the return air port, 205 is the return air cover, 301 is the heating furnace body, 302 is the electric heating radiant tube, 303 is the booster fan, 304 is the air delivery fan, 305 is the air return pipe, 306 is the current equalizing grid, 307 is the connecting rod, 308 is the middle partition, 309 400 is a flow equalizing plate, 401 is a plate body, 402 is a flow equalizing groove, 403 is a flow equalizing hole, 501 is a temperature detection sensor, 502 is an inspection valve, and 503 is a pressure detection sensor.

Detailed ways

The specific embodiment of the utility model is described in detail below in conjunction with accompanying drawing.

Referring to Fig. 1-Fig. 3, a kind of annealing furnace pipe-type thermal cycle system comprises an annealing furnace shell 100, an annealing furnace inner shell 200 and a heating assembly, the inner wall of the annealing furnace shell 100 is provided with an insulating layer 101; the annealing furnace shell 100 and the annealing furnace inner shell 200 are provided with a circulating inner chamber channel, which includes two flow equalization chambers 201 corresponding to the two sides of the annealing furnace inner shell 200, and one corresponding to the top of the annealing furnace inner shell. Return cavity 202, air inlets 203 are arranged on both side walls of the annealing furnace inner shell 200, and an air return port 204 and an air return hood 205 are arranged on the top of the annealing furnace inner shell; The electric heating radiant tube 302 in the body, the booster fan 303, and the air delivery fan 304 correspondingly communicated with the flow equalization chamber, the top of the heating furnace body is provided with a return air pipe 305, and the return air pipe communicates with the return chamber; The inside of the two side walls of the inner shell of the annealing furnace is provided with flow equalization grids 306, the flow equalization grids are arranged in a matrix, and each flow equalization grid is arranged in correspondence with the air inlet, and the adjacent two current equalization grids Connecting rods 307 are provided between the plates.

The recirculation chamber is divided into a left recirculation chamber and a right recirculation chamber by a middle partition 308. The left recirculation chamber and the right recirculation chamber are correspondingly connected with a group of heating components. A pressure limiting valve 309 is arranged on the return air pipe. A flow equalizing plate 400 is provided in the cavity, and the flow equalizing plate includes a plate body 401, flow equalizing grooves 402 uniformly arranged on the plate body, and flow equalizing holes 403 opened in the flow equalizing grooves. The annealing furnace Multiple groups of temperature detection sensors 501 are arranged in the casing, inspection valves 502 are arranged on the heating furnace body, and pressure detection sensors 503 are arranged in the inner casing of the annealing furnace.

The utility model has a reasonable structural design, which can provide uniform heat supply to the entire annealing furnace through two sets of systems corresponding to the left and right, thereby ensuring the effective progress of the entire annealing process and greatly improving the quality and efficiency of the annealing process of aluminum foil. At the same time, the overall cycle speed of the application is fast and the heat loss is low, which can effectively reduce the cost and time of the whole process, greatly improve the production efficiency, and facilitate popularization and application.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description are only the principles of the present invention. Variations and improvements, which fall within the scope of the claimed invention. The scope of protection required by the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A kind of 1. annealing furnace duct type heat circulating system, it is characterised in that including：

   Annealing stove outer covering, the annealing furnace outer casing inner wall are provided with insulating layer；

   Annealing furnace inner casing, circulation inner chamber passage, the circulation inner chamber are provided between the annealing stove outer covering and annealing furnace inner casing Passage includes flowing chamber and back cavity corresponding with the top of annealing furnace inner casing with the annealing furnace inner casing both sides corresponding two, moves back Air inlet is provided with stove inner casing two side, return air inlet and return air cover are provided with the top of annealing furnace inner casing；

   And heating component, the heating component include heating furnace body, the electrical heating radiant tube being arranged in heating furnace body, supercharging wind Machine and the defeated wind wind turbine of connection corresponding with flowing chamber, the heating furnace body top are provided with backwind tube, and the backwind tube is with returning Flow chamber connection；

   It is provided with the inside of the two side of the annealing furnace inner casing and flows screen, the screen that flows is arranged in arrays, and each flows Screen and air inlet, which correspond, to be set, and adjacent two flow and are provided with connecting rod between screen.
2. 2. annealing furnace duct type heat circulating system according to claim 1, it is characterised in that the back cavity passes through interval Plate is divided into left back cavity and right back cavity, and left back cavity and right back cavity correspondence are communicated with one group of heating component.
3. 3. annealing furnace duct type heat circulating system according to claim 1, it is characterised in that be provided with the backwind tube Pressure limiting valve.
4. 4. annealing furnace duct type heat circulating system according to claim 1, it is characterised in that the stream intracavitary is provided with Equal flow table, the equal discharge orifice that flow table includes disk body, is uniformly arranged the equal chute on disk body and is opened in equal chute.
5. 5. annealing furnace duct type heat circulating system according to claim 1, it is characterised in that set in the annealing furnace inner casing It is equipped with multigroup temperature detection sensor.
6. 6. annealing furnace duct type heat circulating system according to claim 1, it is characterised in that set on the heating furnace body There is maintenance valve, press detection sensor is provided with the annealing furnace inner casing.