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CN-121993774-A - Steam recycling heating device for sterilization and cleaning and operation method thereof

CN121993774ACN 121993774 ACN121993774 ACN 121993774ACN-121993774-A

Abstract

The steam recycling heating device for sterilization and cleaning comprises an evaporator, wherein an inlet pipeline is arranged at the bottom of the evaporator, a steam-water separator is communicated with one side of the evaporator, the evaporator comprises an evaporation shell, an inlet cavity is arranged at the lower part of the evaporation shell, a plurality of vertical heat exchange pipelines are communicated with the upper part of the inlet cavity, an outlet cavity is communicated with the top of the vertical heat exchange pipeline, a heating medium cavity is arranged between the vertical heat exchange pipeline and the evaporation shell, and the heating medium cavity is communicated with the heating steam pipeline. The application adopts the evaporator to exchange heat and carries out the multiplexing of the steam in a mode of matching with the steam-water separator, has high heat exchange efficiency, can not generate water vapor with liquid, and ensures the stability of the steam using effect in the later period.

Inventors

  • LI YUANYUAN

Assignees

  • 山东圣鲁制药有限公司

Dates

Publication Date
20260508
Application Date
20260211

Claims (10)

  1. 1. A steam recycling heating device for sterilization and cleaning is characterized by comprising an evaporator, wherein an inlet pipeline is arranged at the bottom of the evaporator, a steam-water separator is communicated with one side of the evaporator, the evaporator comprises an evaporation shell, an inlet cavity is arranged at the lower part of the evaporation shell, a plurality of vertical heat exchange pipelines are communicated with the upper part of the inlet cavity, an outlet cavity is communicated with the top of the vertical heat exchange pipelines, a heating medium cavity is arranged between the vertical heat exchange pipelines and the evaporation shell, and the heating medium cavity is communicated with the heating steam pipeline.
  2. 2. The steam recirculation heating device for sterilization and cleaning according to claim 1, wherein a high-temperature filter screen is arranged on one side of the vertical heat exchange pipeline, which faces the guide cavity, and comprises a resistance wire filter screen, and a polytetrafluoroethylene layer is coated on the outer side of the resistance wire filter screen.
  3. 3. The steam recirculation heating device for sterilization and cleaning according to claim 2, wherein the aperture of the high-temperature filter screen is 20-50 meshes, the resistance wire filter screen is communicated with external power supply, and the temperature of the resistance wire filter screen is 280-300 ℃.
  4. 4. A steam recirculation heating device for sterilization and cleaning according to claim 1, wherein the middle part of the steam-water separator is connected with the top of the evaporator through a communication pipeline, the lower part of the steam-water separator is connected with the bottom of the evaporator through a recirculation pipeline, and a steam guiding pipeline is arranged at the upper part of the steam-water separator.
  5. 5. A steam recirculation heating arrangement for a sterilization and cleaning steam recirculation heating arrangement according to claim 4, wherein the steam-water separator comprises a separator housing, and wherein a plurality of counter-flow baffles are arranged in a central phase of the separator housing.
  6. 6. A steam recirculation heating arrangement for a biocidal cleaning according to claim 5, wherein the counter-flow baffles are staggered such that staggered air flow passages are formed between the counter-flow baffles and the inner wall of the separator housing.
  7. 7. A steam recirculation heating device for sterilization and cleaning as set forth in claim 5, wherein the reverse flow baffle comprises a side connection plate fixedly connected with the inner wall of the separator housing, a V-shaped sinking plate is arranged at the end of the side connection plate, and an extending connection plate is arranged at the side of the V-shaped sinking plate away from the side connection plate.
  8. 8. The steam recirculation heating device for sterilization and cleaning according to claim 7, wherein a plurality of flow holes are uniformly distributed on the V-shaped sinking plate, the aperture of each flow hole is 1-10mm, and the distance between every two adjacent flow holes is not less than the aperture; among the adjacent reverse flow baffles, the V-shaped sinking plate of the reverse flow baffle above is correspondingly arranged with the extending connecting plate of the reverse flow baffle below.
  9. 9. The steam recirculation heating device for sterilization and cleaning according to claim 6, wherein an outer protective layer is arranged on the outer side of the reflux baffle plate, and the outer protective layer is prepared by the following steps of obtaining titanium oxide and silicon oxide nano particles; Dispersing 6-8 parts by weight of nano particles into a mixed solution of 30-40 parts by weight of acrylic emulsion and 10-15 parts by weight of polyurethane resin emulsion, wherein the solid content of the acrylic emulsion and the polyurethane resin emulsion is 40-50wt%, and fully mixing to obtain a coating material; Spraying the coating material on two sides of the reverse flow stop block, wherein the spraying times are not less than two times, and the thickness after drying is 0.3-0.7 mu m; then the reverse flow baffle is placed in a vacuum drying oven at 100-120 ℃ for heating for 10-12h.
  10. 10. The steam recirculation heating device for sterilization and cleaning according to claim 9, wherein the titanium oxide and silicon oxide nanoparticles are prepared by: Dissolving 5-6 parts by mass of tetrabutyl titanate into 100-120 parts by mass of ethanol, and then placing 8-10 parts by mass of ZSM-5 molecular sieve, wherein the mesh number of the ZSM-5 molecular sieve is 150-200 meshes, and continuously stirring for not less than 10 hours; Filtering to obtain primary filter residue, adding the first filter residue into 0.1-0.2mol/L hydrochloric acid solution with the mass of 50-60 times, and standing for reaction for not less than 24 hours; Filtering to obtain secondary filter residues, sequentially washing the secondary filter residues with deionized water, drying at 80-100 ℃ for 12-24 hours, heating to 450-500 ℃ for roasting for 4-5 hours, cooling to room temperature, grinding, and sieving with a 500-600 mesh sieve to obtain titanium oxide and silicon oxide nano particles.

Description

Steam recycling heating device for sterilization and cleaning and operation method thereof Technical Field The application relates to a steam recycling heating device for sterilization and cleaning and an operation method thereof. Background In the ampoule production process, the cleaning of the pipeline, the batching tank and other parts is required to be ensured, and residual impurities or bacterial pollution is avoided, so that the pipeline and the batching tank are required to be cleaned and sterilized, and the ampoule production process is generally realized by filling steam. In order to ensure that the injected steam itself does not introduce external pollution, the water is reused by reheating the evaporator, and in the process, the injected steam can be replaced by discharging impurities and introducing external sterile water. The existing evaporator mainly has the problems of low temperature of a heat exchange part, poor sterilization effect on certain bacteria by long-time high temperature, and low separation efficiency and excessive energy loss caused by the low treatment effect of a steam separator. Disclosure of Invention In order to solve the problems, the application provides a steam recycling heating device for sterilization and cleaning, which comprises an evaporator, wherein an inlet pipeline is arranged at the bottom of the evaporator, a steam-water separator is communicated with one side of the evaporator, the evaporator comprises an evaporation shell, an inlet cavity is arranged at the lower part of the evaporation shell, a plurality of vertical heat exchange pipelines are communicated with the upper part of the inlet cavity, an outlet cavity is communicated with the top of the vertical heat exchange pipeline, a heating medium cavity is arranged between the vertical heat exchange pipeline and the evaporation shell, and the heating medium cavity is communicated with the heating steam pipeline. The application adopts the evaporator to exchange heat and carries out the multiplexing of the steam in a mode of matching with the steam-water separator, has high heat exchange efficiency, can not generate water vapor with liquid, and ensures the stability of the steam using effect in the later period. Preferably, a high-temperature filter screen is arranged on one side of the vertical heat exchange pipeline, which faces the guide cavity, wherein the high-temperature filter screen comprises a resistance wire filter screen, and a polytetrafluoroethylene layer is coated on the outer side of the resistance wire filter screen. According to the application, the high-temperature filter screen is arranged to form a high-temperature zone, and a high-temperature sterilization position is added on the periphery of the resistance wire filter screen, so that the quality of steam led out by the high-temperature sterilization device is further ensured. Preferably, the aperture of the high-temperature filter screen is 20-50 meshes, the resistance wire filter screen is communicated with external power supply, and the temperature of the resistance wire filter screen is 280-300 ℃. Preferably, the middle part of the steam-water separator is connected with the top of the evaporator through a communication pipeline, the lower part of the steam-water separator is connected with the bottom of the evaporator through a recirculation pipeline, and a steam guiding pipeline is arranged at the upper part of the steam-water separator. Preferably, the steam-water separator comprises a separator shell, and a plurality of reverse flow baffles are arranged in the middle phase of the separator shell. Preferably, the counter flow baffles are staggered such that staggered air flow passages are formed between the counter flow baffles and the inner wall of the separator housing. Preferably, the reverse flow baffle comprises a side connecting plate fixedly connected with the inner wall of the separator shell, a V-shaped sinking plate is arranged at the end part of the side connecting plate, and an extending connecting plate is arranged at one side of the V-shaped sinking plate far away from the side connecting plate. Preferably, a plurality of flow holes are uniformly distributed on the V-shaped sinking plate, the aperture of each flow hole is 1-10mm, and the distance between every two adjacent flow holes is not less than the aperture; Among the adjacent reverse flow baffles, the V-shaped sinking plate of the reverse flow baffle above is correspondingly arranged with the extending connecting plate of the reverse flow baffle below. The application adopts the operation mode of the V-shaped sinking plate and the reverse flow baffle, can improve the separation efficiency of the application on the air flow and the water flow of the water vapor, avoid repeated impact, and further can improve the steam-water separation quantity of the application under extreme conditions. Preferably, an outer protective layer is arranged on the outer side of t