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CN-224230619-U - Hot air circulation system and furnace body equipment thereof

CN224230619UCN 224230619 UCN224230619 UCN 224230619UCN-224230619-U

Abstract

The utility model belongs to the technical field of drying equipment, and particularly relates to a hot air circulating system and furnace body equipment thereof, wherein the hot air circulating system comprises a plurality of condensers which are communicated with an inner cavity of a furnace body through a first pipeline, filtering modules which are respectively arranged at two ends of a protective cover, a cavity structure which is arranged below the condensers, a sealing plate which is arranged in the cavity structure and divides the cavity structure into a first cavity and a second cavity, the first cavity is communicated with an air outlet of the condenser and the filtering modules, and the second cavity is communicated with the first cavity through a blower, wherein the blower sucks hot air in the furnace body into the condensers under negative pressure when working, the condensed hot air flows to the filtering modules through the first cavity, the blower conveys the filtered hot air to the second cavity, and the second cavity is conveyed back to the furnace body through the second pipeline.

Inventors

  • ZUO GUOJUN
  • HU YONGTAO
  • WU YONGMAO
  • WANG JIA
  • DENG DONGPING

Assignees

  • 常州捷佳创智能装备有限公司

Dates

Publication Date
20260512
Application Date
20250609

Claims (10)

  1. 1. A heated air circulation system, comprising: A plurality of condensers (3) are communicated with the inner cavity of the furnace body (1) through a first pipeline (20); The two filter modules (4) are respectively arranged at two ends of the protective cover (2); A cavity structure (5) located below the condenser (3); The sealing plate (6) is positioned in the cavity structure (5) and divides the cavity structure (5) into a first cavity (51) and a second cavity (52), the first cavity (51) is communicated with the air outlet of the condenser (3) and the filter module (4), and the second cavity (52) is communicated with the first cavity (51) through the blower (7); when the blower (7) works, hot air in the furnace body (1) is sucked into the condenser (3) under negative pressure, and the condensed hot air flows to the filtering module (4) through the first chamber (51); the blower (7) conveys the filtered hot air to the second chamber (52), and the second chamber (52) is conveyed back to the furnace body (1) through the second pipeline (21).
  2. 2. The hot air circulation system of claim 1, One end of the first pipeline (20) is inserted into the furnace body (1), and a plurality of air suction holes (201) are circumferentially and uniformly distributed on the outer wall of the first pipeline (20).
  3. 3. The hot air circulation system of claim 1, The number of the blowers (7) is two, and the two blowers (7) are respectively positioned at two ends of the protective cover (2); The input end of the air blower (7) is connected with the outlet of the filtering module (4), and the output end of the air blower is connected with the inlet of the second chamber (52).
  4. 4. The hot air circulation system of claim 1, The sealing plate (6) is obliquely arranged, and the included angle between the sealing plate and the horizontal plane is 50-55 degrees.
  5. 5. The hot air circulation system of claim 1, A plurality of diversion holes (510) are uniformly distributed on the inner top wall of the first chamber (51), and the hole spacing between every two adjacent diversion holes (510) is 1.5-2 times of the hole diameter.
  6. 6. The hot air circulation system of claim 1, The filter module (4) is an activated carbon module, a multi-stage filter layer is adopted, and each layer is filled with coconut shell activated carbon particles with the mesh number of 20-40 meshes.
  7. 7. The hot air circulation system of claim 1, And a plurality of exhaust ports (520) are uniformly distributed on the side wall of the second chamber (52) along the length direction, and one second pipeline (21) corresponds to one exhaust port (520) so that filtered hot air is uniformly conveyed into the furnace body (1).
  8. 8. The hot air circulation system of claim 1, The inner wall of the cavity structure (5) and the outer wall of the sealing plate (6) are coated with nano ceramic heat-insulating coatings, and the thickness of the coatings is 0.2-0.5 mm.
  9. 9. The hot air circulation system of claim 1, The hot air circulation system also comprises a protective cover (2), which is positioned above the furnace body (1) and is hollow in the interior; The condensers (3) are uniformly distributed in the protective cover (2).
  10. 10. Furnace installation, characterized in that a hot air circulation system according to any one of claims 1 to 9 is provided on the furnace installation.

Description

Hot air circulation system and furnace body equipment thereof Technical Field The utility model belongs to the technical field of drying equipment, and particularly relates to a hot air circulation system and furnace body equipment thereof. Background In the related art, the conventional nitrogen gas drying apparatus generally filters the high temperature exhaust gas and then recycles the filtered exhaust gas. However, the traditional hot air circulation device has the technical defects of uneven air flow distribution, easy deformation of a cavity structure and the like, and is difficult to realize stable hot air internal circulation. Therefore, how to solve the above-mentioned drawbacks is a technical problem that needs to be solved in the art. It should be noted that the above information disclosed in this background section is only for understanding the background of the inventive concept and therefore the above description is not to be construed as constituting information of the related art. Disclosure of utility model The embodiment of the disclosure at least provides a hot air circulating system and furnace body equipment thereof. In a first aspect, embodiments of the present disclosure provide a hot air circulation system, comprising: The condensers are communicated with the inner cavity of the furnace body through a first pipeline; the two filter modules are respectively arranged at two ends of the protective cover; a cavity structure located below the condenser; The sealing plate is positioned in the cavity structure and divides the cavity structure into a first cavity and a second cavity, the first cavity is communicated with the condenser air outlet and the filter module, and the second cavity is communicated with the first cavity through the blower; when the air blower works, hot air in the furnace body is pumped into the condenser under negative pressure, and the condensed hot air flows to the filtering module through the first chamber; The blower conveys the filtered hot air to the second chamber, and the second chamber is conveyed back to the furnace body through the second pipeline. In an alternative embodiment, one end of the first pipeline is inserted into the furnace body, and a plurality of air pumping holes are circumferentially and uniformly distributed on the outer wall of the first pipeline. In an alternative embodiment, the number of the blowers is two, and the two blowers are respectively positioned at two ends of the protective cover; The input end of the air blower is connected with the outlet of the filtering module, and the output end of the air blower is connected with the inlet of the second chamber. In an alternative embodiment, the sealing plates are arranged obliquely and have an angle of 50-55 ° with the horizontal plane. In an alternative embodiment, a plurality of diversion holes are uniformly distributed on the inner top wall of the first chamber, and the hole spacing between every two adjacent diversion holes is 1.5-2 times of the hole diameter. In an alternative embodiment, the filtration module is an activated carbon module that employs multiple filtration layers, each filled with 20-40 mesh coconut shell activated carbon particles. In an optional embodiment, the side wall of the second chamber is uniformly provided with a plurality of exhaust ports along the length direction, and one second pipeline corresponds to one exhaust port, so that the filtered hot air is uniformly conveyed into the furnace body. In an alternative embodiment, the inner wall of the cavity structure and the outer wall of the sealing plate are coated with a nano ceramic thermal insulation coating, and the thickness of the coating is 0.2-0.5mm. In an alternative embodiment, a protective cover is located above the furnace body and is hollow in the interior; The condensers are uniformly distributed in the protective cover. In a second aspect, embodiments of the present disclosure further provide a furnace apparatus on which the hot air circulation system is disposed. The utility model has the beneficial effects that the hot air circulation system and the furnace body equipment thereof are provided, and the extraction amount of waste gas is improved on the premise of maintaining the pressure balance in the furnace body through the uniformly distributed air extraction holes on the outer wall of the first pipeline. And a plurality of second pipelines of equipartition for the hot-blast after the condensation filtration can be even flow into the furnace body, has reduced the fluctuation of extraction waste gas hot-blast and filtration recovery hot-blast, makes the hot-blast air current in the furnace body more even. And the cooperation of cavity structure and shrouding has realized two cavity reposition of redundant personnel for high temperature waste gas participates in the thermal cycle again after the condensation, and this structure has promoted the structural strength of equipment, makes the ca