CN112284063A - High-temperature sterilization equipment - Google Patents
High-temperature sterilization equipment Download PDFInfo
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- CN112284063A CN112284063A CN202011193253.7A CN202011193253A CN112284063A CN 112284063 A CN112284063 A CN 112284063A CN 202011193253 A CN202011193253 A CN 202011193253A CN 112284063 A CN112284063 A CN 112284063A
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- 230000001954 sterilising effect Effects 0.000 title claims abstract description 29
- 238000004659 sterilization and disinfection Methods 0.000 title claims description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000001816 cooling Methods 0.000 claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 238000001035 drying Methods 0.000 claims abstract description 36
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims description 24
- 239000007924 injection Substances 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 9
- 239000003814 drug Substances 0.000 description 14
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- 239000000243 solution Substances 0.000 description 9
- 230000008929 regeneration Effects 0.000 description 6
- 238000011069 regeneration method Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000007791 dehumidification Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
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- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
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- 239000000428 dust Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/003—Supply-air or gas filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
Abstract
The invention relates to the technical field of drying and sterilizing equipment, and particularly provides high-temperature sterilizing and drying equipment which comprises an air inlet device, a first filtering device, a first heating device, an oven, an air circulating device and an air exhaust device, wherein the air inlet device is connected with the first filtering device; the dehumidifying device is respectively connected with the second heating device and the water cooling device, the second heating device and the water cooling device are arranged in parallel, and an outlet of the second heating device is converged with an outlet of the water cooling device and then connected with a circulating air outlet of the oven and used for controlling the connection of a connecting pipeline of the second heating device and a connecting pipeline of the water cooling device; the oven is also internally provided with a plurality of layers of trays and a gas distribution mechanism, the gas distribution mechanism is connected with the circulating air outlet, and the gas distribution mechanism is arranged below the other trays except the first layer. According to the invention, the first heating device and the second heating device are used for heating together, so that the temperature rise time in the oven is shortened, the drying time is further shortened, and the articles on the tray are sterilized and disinfected while being dried.
Description
Technical Field
The invention belongs to the technical field of drying and sterilizing equipment, and particularly relates to high-temperature sterilizing equipment.
Background
Currently, in the process of preparing the medicament, the medicament bottle needs to be cleaned and sterilized before the medicament is filled with medicament liquid. The existing treatment method is to utilize cleaning fluid to clean and disinfect a medicament bottle, and then send the medicament bottle into a drying box to carry out drying and sterilizing treatment. Because the cleaning solution is remained on the outer wall or the inner wall of the medicament bottle after being cleaned by the cleaning solution, and a certain amount of cleaning solution is remained on the bottom of some medicament bottles, the medicament bottles can only be dried by hot blowing, but hot air in the drying box cannot be directly blown into the medicament bottles, so that the medicament bottles can be completely dried by hot blowing for a long time, and the drying time is long; in addition, the space of the drying box is large, the drying box is not provided with an internal circulation device, the temperature rise is slow, the heating needs long time, and the efficiency of the drying and sterilizing process is low.
Disclosure of Invention
The invention aims to provide high-temperature sterilization equipment, which aims to solve the problems that cleaning liquid is remained on the outer wall or the inner wall of a medicament bottle and is not easy to evaporate, so that the medicament bottle needs to be blown by dry hot air for a long time, the drying time is long, and the efficiency is low.
The invention provides high-temperature sterilization equipment which comprises an air inlet device, a first filtering device, a first heating device, an oven, an air circulating device and an air exhaust device, wherein the air inlet device is arranged on the air inlet device; the inlets of the air inlet device, the first filtering device and the first heating device are sequentially connected, and the outlet of the first heating device is connected with the air inlet of the oven; the air circulating device is respectively connected with a circulating air inlet and a circulating air outlet of the oven and is used for circulating air in the oven and dehumidifying the air in the oven; the air outlet of the oven is connected with the air exhaust device; the circulating device comprises a dehumidifying device, a second heating device, a water cooling device, a gas distribution mechanism and a plurality of control valves; the moisture removing device is respectively connected with the second heating device and the water cooling device, the second heating device and the water cooling device are arranged in parallel, an outlet of the second heating device is converged with an outlet of the water cooling device and then is connected with a circulating air outlet of the oven, and the control valves are respectively arranged at two ends of an inlet and an outlet of the second heating device and the water cooling device and are used for controlling the connection of a connecting pipeline of the second heating device and a connecting pipeline of the water cooling device; the drying oven is also internally provided with a plurality of layers of trays and a gas distribution mechanism, the gas distribution mechanism is connected with the circulating air outlet, and the gas distribution mechanism is arranged below the rest trays except the first layer.
Preferably, the oven further comprises fixing portions, the fixing portions are arranged on two sides of the oven, and the fixing portions are used for supporting the tray and fixing the gas distribution mechanism.
Preferably, the fixing portion is provided with a plurality of first rollers, the first rollers are rotatably connected with the fixing portion, and the bottom of the tray is in line contact with the first rollers.
Preferably, the gas distribution mechanism comprises the pipeline frame, a main pipe and a plurality of gas injection mechanisms; the two sides of the pipeline frame are clamped with the fixing parts, so that the pipeline frame and the fixing parts are fixed into a whole; the upper end of the main pipe is connected with the circulating air inlet, the pipeline frame is communicated with the main pipe, and the main pipe is connected with the pipeline frame through a quick-release joint; the pipeline frame comprises a plurality of first branch pipes and a plurality of second branch pipes, the first branch pipes are transversely and longitudinally crossed and communicated with the second branch pipes, the intersections of the first branch pipes and the second branch pipes are provided with the air injection mechanisms, and air injection ports of the air injection mechanisms face the trays.
Preferably, the air injection mechanism comprises an air injection connecting pipe, a connecting part, a first spray pipe and a second spray pipe; the intersection of the pipeline frame is connected with one end of the air injection connecting pipe, the other end of the air injection connecting pipe is connected with one end of the central pipe of the connecting portion, the first air injection pipe is connected with the other end of the central pipe of the connecting portion, and the second spray pipe is arranged on the connecting portion.
Preferably, vent holes are uniformly formed in the bottom of the tray and correspond to the second spray pipes one to one, so that air is sent to penetrate through the plurality of layers of trays in sequence.
Preferably, the connecting part is an annular hollow pipe, the annular hollow pipe further comprises an auxiliary pipe communicated with the central pipe, and two ends of the auxiliary pipe are communicated with the annular hollow pipe and the central pipe.
Preferably, the pipeline frame is further provided with a supporting part, the supporting part is provided with a plurality of second rollers, the second rollers are rotatably connected with the supporting part, and the bottom of the tray is in line contact with the second rollers.
Preferably, the inlet of the dehumidifying device is connected with the circulating air outlet, and the outlet of the dehumidifying fan is connected with the second heating device and the water cooling device respectively.
Preferably, exhaust device still includes exhaust pipeline, exhaust fan and second filter equipment, the exhaust fan with second filter equipment sets up on the exhaust pipeline, just the exhaust fan setting is crossed to the second is in the exit of second filter equipment, second filter equipment is discharged by the exhaust fan after to exhaust air purification.
Compared with the prior art, the high-temperature sterilization equipment has the following beneficial technical effects:
the high-temperature sterilization box is provided with the air circulation device, hot air in the oven is dehumidified and secondarily heated by the dehumidification device and the second heating device of the air circulation device, the temperature rise time in the oven is greatly shortened by jointly heating the first heating device and the second heating device, and articles on the tray are sterilized and sterilized while drying; the air in the multicycle oven makes the water content in the air reduce, shortens drying time, and the inside branch gas mechanism that sets up of oven can equally divide the dispersion with the air current through air cycle device and blow to the tray, makes the air current blow to lower floor tray from the air vent of upper tray bottom, and the air current passes through multilayer tray until to the oven bottom. The air circulation device further comprises a water cooling device, and air in the drying box is rapidly cooled through water cooling, so that the cooling time is shortened, and the working efficiency is improved.
In addition, this high temperature stoving case sterilizes through the article on the tray of thermal radiation's mode, makes the article on the tray accord with the sterilization requirement after high temperature drying, still is provided with first filter equipment and second filter equipment and filters air inlet and exhaust respectively, guarantees to get into the air cleanliness factor in the oven, and the cleanliness factor reaches hundred grades of effects, also guarantees that exhaust air is harmless to external environment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only used for explaining the concept of the present invention.
FIG. 1 is a schematic structural view of a high temperature sterilization apparatus according to the present invention;
FIG. 2 is a first schematic view illustrating an installation state of the tray and the air distributing mechanism according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a second schematic view of the installation state of the tray and the air distributing mechanism of the present invention;
FIG. 5 is a schematic structural view of a fixing portion according to the present invention;
FIG. 6 is a first schematic structural diagram of the pipeline rack of the present invention;
FIG. 7 is a second schematic structural view of the piping frame according to the present invention;
FIG. 8 is a schematic structural view of the air injection mechanism of the present invention;
summary of reference numerals:
1. an air intake device; 2. a first filtering device; 3. a first heating device; 4. an oven; 41. a fixed part; 411. a first roller; 5. an air circulation device; 51. a moisture removal device; 52. a second heating device; 53. a water cooling device; 6. an air exhaust device; 7. a gas distribution mechanism; 71. a pipeline rack; 711. a first branch pipe; 712. a second branch pipe; 713. a support portion; 714. a second roller; 72. a main pipe; 73. an air injection mechanism; 731. an air injection connecting pipe; 732. a connecting portion; 733. a first nozzle; 734. a second nozzle; 8. a tray; 81. a vent hole; 9. and (4) controlling the valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment of the invention aims to overcome the defects and shortcomings of the prior art, and as shown in fig. 1, the high-temperature sterilization equipment comprises an air inlet device 1, a first filtering device 2, a first heating device 3, an oven 4, an air circulating device 5 and an air exhaust device 6; the inlet of the air inlet device 1, the inlet of the first filtering device 2 and the inlet of the first heating device 3 are sequentially connected, and the outlet of the first heating device 3 is connected with the air inlet of the oven 4; the air circulating device 5 is respectively connected with a circulating air inlet and a circulating air outlet of the oven 4, and the air circulating device 5 is used for circulating air in the oven 4 and dehumidifying the air in the oven 4; an air outlet of the oven 4 is connected with the air exhaust device 6, and the damp and hot air in the oven 4 is mainly exhausted outwards through the air exhaust device 6, so that the humidity in the oven 4 is quickly reduced; the air circulation device 5 comprises a dehumidifying device 51, a second heating device 52, a water cooling device 53, an air distribution mechanism 7 and a plurality of control valves 9; the dehumidifying device 51 is respectively connected with the second heating device 52 and the water cooling device 53, the second heating device 52 and the water cooling device 53 are arranged in parallel, the outlet of the second heating device 52 is converged with the outlet of the water cooling device 53 and then connected with the circulating air outlet of the oven 4, and the control valve 9 is arranged at two ends of the inlet and the outlet of the second heating device 52 and the water cooling device 53 and used for controlling the conduction of the connecting pipeline of the second heating device 52 and the connecting pipeline of the water cooling device 53; the oven 4 is also internally provided with a plurality of layers of trays 8 and a gas distribution mechanism 7, the gas distribution mechanism 7 is connected with a circulating air outlet, and the gas distribution mechanism 7 is arranged below the other trays 8 except the first layer.
In the invention, the air inlet device 1 comprises an induced draft fan, the induced draft fan adopts a vortex long-axis fan, the first fan is arranged at the air inlet of the oven 4, the front end of the induced draft fan is provided with a dust cover, and the rear end of the induced draft fan is provided with the first filtering device 1, so that the cleanliness of filtered air reaches the hundred-grade standard, and secondary pollution to reagent bottles or articles on the tray 8 can be avoided. The exhaust device 6 further comprises an exhaust fan, a second air filter is arranged at the front end (inlet) of the exhaust fan, and air in the oven 4 is firstly filtered and then discharged to the outside. The first heating device 3 and the second heating device 52 are both electric heating pipes, and more preferably, stainless steel heating pipes are adopted, the first heating device 3 is a main heater, the second heating device 52 is arranged inside the air circulation device 5, and the second heating device 52 is used for carrying out secondary heating on the air in the oven 4, so that the temperature rise time in the oven 4 can be shortened. The air circulation device 5 further comprises a circulating fan for enhancing the air flow in the oven 4, and the structure of the circulating fan is the prior art. The water cooling device 53 is turned on only at the cooling stage, the temperature in the oven 4 can be rapidly reduced by water cooling, and the cooling rate can be controlled by controlling the flow rate of the cooling water. The water cooling device 53 is a small heat exchanger, and the structure of the water cooling device 53 is the prior art and is not described herein again. More preferably, the water cooling device 53 of the present invention is a plate heat exchanger, which is externally connected with cooling water and is connected with a water pump to control the flow rate of water.
Because the air water content of air intake is less than the air water content of air vent department, and the intake is greater than the air discharge again for keep certain slight positive pressure in the oven 4 all the time, continuously exhaust through exhaust device 6 for the air flow in the oven 4, with the remaining moisture evaporation of article on tray 8 and take away, reach quick drying's purpose. The air intake of the air intake device 1 is larger than the circulating wind power and the air exhaust, and the circulating air of the air circulating device 5 is smaller than the air exhaust of the air exhaust device 6. The air circulation device 5 is used for internally circulating and secondarily heating the air in the oven 4, so that the temperature rise time in the oven 4 is shortened, and the purpose of quickly rising the temperature is achieved.
Preferably, the high-temperature sterilization equipment of the present invention further includes a temperature control device and a control panel (not shown in the figure), the temperature control device at least includes a temperature sensor, the temperature sensor is electrically connected to the control panel, the temperature sensor is disposed inside the oven 4, in order to improve the temperature measurement accuracy, the temperature sensor is disposed at a middle position (in a height direction) of an inner side wall of the oven 4, and a temperature at the middle position inside the oven 4 is closer to an average temperature inside the oven 4, so that the obtained temperature data is more accurate. The temperature sensor feeds the temperature back to the control panel, and the control panel adjusts the heating power of first heating device 3 and second heating device 52, can not lead to the inside temperature of stoving case too low or too high.
Preferably, as shown in fig. 1 to 4, oven 4 further includes fixing portions 41, fixing portions 41 being disposed at both sides of oven 4, fixing portions 41 being used for supporting tray 8 and fixing air distribution mechanism 7. The fixing portion 41 is a square column structure, and the fixing portion 41 and the side wall of the oven 4 are welded into an integral structure. The upper part of the tray 8 is used for supporting the tray 8, and the lower part of the tray 8 is used for fixing the pipeline frame 71 in the gas distribution mechanism 7.
Preferably, as shown in fig. 2 and 4, the fixing part 41 is provided with a plurality of first rollers 411, the first rollers 411 are rotatably connected to the fixing part 41, and the bottom of the tray 8 is maintained in a line contact state with the first rollers 411 for supporting both sides of the tray 8. The fixing portion 41 is provided with a plurality of first mounting grooves, the first mounting grooves are evenly distributed on the fixing portion 41, the first roller 411 is rotatably arranged in the first mounting grooves through a first pin shaft, the highest point of the first roller 411 is higher than the upper surface of the fixing portion 41, so that the bottom surface of the tray 8 is in contact with the first roller 411 and is not in contact with the upper surface of the fixing portion 41, the frictional resistance between the tray 8 and the fixing portion 41 is reduced, and the tray 8 is more easily pushed into or pulled out of the oven 4.
Preferably, as shown in fig. 1 to 4, 6 to 8, the gas distribution mechanism 7 includes a pipe rack 71, a main pipe 72, and a plurality of gas injection mechanisms 73; the two sides of the pipeline frame 71 are clamped with the fixing part 41 (the clamping structure adopts the prior art), so that the pipeline frame 71 and the fixing part 41 are fixed into a whole; the upper end of the main pipe 72 is connected with an inlet of the air circulation device 5, the lower end of the main pipe 72 is fixed with the inside of the oven 4 (the pipe support is fixed through the pipe support in the prior art), the connecting ends of the plurality of pipeline frames 71 are communicated with the main pipe 72, the main pipe 72 is connected with the connecting heads of the pipeline frames 71 through quick-release joints (the quick-release joints are in the prior art), the quick-release joints are adopted, when the air distribution mechanism 7 is not needed to be used, the air distribution mechanism 7 can be detached from the oven 4, the use of the oven 4 is not affected, and the detached oven 4 can be used for drying other articles; the pipeline frame 71 comprises a plurality of first branch pipes 711 and second branch pipes 712, the first branch pipes 711 and the second branch pipes 712 are transversely and longitudinally crossed and communicated, the intersection of the first branch pipes 711 and the second branch pipes 712 are respectively provided with an air injection mechanism 73, and air injection ports of the air injection mechanisms 73 face the tray 8. The first branch pipes 711 and the second branch pipes 712 may be vertically crossed or non-vertically crossed (the angle of the oblique crossing may be any angle), and the first branch pipes 711 and the second branch pipes 712 are crossed to form a grid-shaped hole structure.
Preferably, as shown in fig. 8, the jet mechanism 73 includes a jet connecting pipe 731, a connecting portion 732, a first jet pipe 733, and a second jet pipe 734; the intersection of the pipe frame 71 is connected to one end of the jet connecting pipe 731, the other end of the jet connecting pipe 731 is connected to one end of the central pipe of the connection part 732, the first nozzle 733 is connected to the other end of the central pipe of the connection part 732, and the second nozzle 734 is provided on the connection part 732. The outlets of the first nozzle 733 and the second nozzle 734 face the bottom of the tray 8, and the hot air is directly blown to the articles or the medicine bottles on the tray 8.
Preferably, as shown in fig. 2 to 4, a plurality of vent holes 81 are uniformly formed in the bottom of the tray 8, and the vent holes 81, the second spray pipes 734 and the grid holes formed by the pipeline frame 71 are in one-to-one correspondence, that is, the spatial positions of the three are strategically located on the same straight line, so that the air is sent to sequentially penetrate through the multi-layer tray 8. In the present invention, the ventilation hole 81 may be square, circular, or other shapes, and the modification of the shape of the ventilation hole 81 by those skilled in the art should be limited within the protection scope of the present invention.
Preferably, as shown in fig. 8, the connection portion 732 is an annular hollow tube, and the annular hollow tube further includes a secondary tube communicating with the central tube, and both ends of the secondary tube are respectively communicated with the annular hollow tube and the central tube.
Preferably, the pipe rack 71 is further provided with a support portion 713, as shown in fig. 5 and 6, for supporting a middle portion of the tray 8, the support portion 713 is a plate-shaped structure, and the support portion 713 is disposed above the pipe rack 71 and is an integral structure with the pipe rack 71. The supporting portion 713 is provided with a plurality of second rollers 714 and second mounting grooves, the plurality of second mounting grooves are uniformly arranged on the supporting portion 713 along the length direction of the second branch pipe 712, the second rollers 714 are rotatably arranged in the second mounting grooves through second pin shafts, the bottom of the tray 8 keeps a line contact state with the second rollers 714, the highest point of the second rollers 714 is higher than the upper surface of the supporting portion 713, so that the bottom surface of the middle position of the tray 8 is in contact with the second rollers 714 and is not in contact with the upper surface of the supporting portion 713, the frictional resistance between the tray 8 and the supporting portion 713 is reduced, and a certain support is provided for the tray 8. The specific structure of the water cooling device 53 is a small heat exchanger, which is not described herein for the prior art.
Preferably, the inlet of the dehumidifying device 51 is connected with the circulating air outlet, the outlet of the dehumidifying device 51 is respectively connected with the second heating device 52 and the water cooling device 53, the second heating device 52 only works in the heating stage, the control valves 9 at the two ends of the second heating device 52 are also opened only in the heating stage, so that the pipeline of the section is conducted, the heated circulating air enters the oven 4, and the drying temperature is further rapidly increased; the water cooling device 53 works only in the cooling stage, the control valves 9 at the two ends of the water cooling device 53 are also opened only in the cooling stage, so that the pipeline is conducted, the temperature in the oven 4 is rapidly reduced through the water cooling device 53, the cooling time is shortened, and the working time of the drying and sterilizing box is further shortened. The control valves 9 are electrically connected with the control board, and the opening or closing of each control valve 9 is controlled by control signals sent by the control board.
Preferably, the dehumidifying device 51 is a rotary dehumidifier, an inlet of the rotary dehumidifier is connected to the circulating air outlet, and an outlet of the rotary dehumidifier is connected to the second heating device 52 and the water cooling device 53, respectively. The rotary dehumidifier comprises a honeycomb-shaped drying wheel, the drying wheel is divided into two parts, one part comprises a dehumidification part accounting for three quarters of a cylinder and a regeneration part accounting for one fourth of the cylinder, in the work, the drying wheel keeping moisture for three quarters is in a dehumidification state all the time, the drying wheel for one fourth is in a regeneration state, when the treated air passes through the dehumidification working part of the drying wheel, the water vapor in the air is adsorbed by the moisture absorption medium in the drying wheel, the water vapor is subjected to phase change at the same time, and is changed into liquid water and releases latent heat; at this time, the treated air becomes dry air due to the reduction of its own moisture; and then, the treated air is sent out by a fan in the rotary dehumidifier to become dry hot air, the dry hot air can be used as regeneration gas of the regeneration part of the drying wheel, and the dry hot air is used for continuously blowing the regeneration part, so that water molecules are separated from the honeycomb-shaped moisture absorption medium on the drying wheel, and the regeneration can be finished after a period of time. More preferably, the cellular moisture absorbing medium can be replaced by a molecular sieve, the molecular sieve is an artificially synthesized hydrated aluminosilicate (zeolite) or natural zeolite with the function of screening molecules, the structure of the molecular sieve is provided with a plurality of pore channels with uniform pore diameters and holes which are arranged in order, the molecular sieves with different pore diameters separate molecules with different sizes and shapes, the material has strong adsorption capacity, and gas is dried by physical adsorption (the molecular sieve is combined with water molecules). A certain amount of molecular sieve is placed in the inner cavity of the drying wheel, and air passing through the molecular sieve is dried along with the slow rotation of the drying wheel; when the molecular sieve is regenerated, the dried hot air is used for regenerating the molecular sieve.
Preferably, the exhaust device 6 further includes an exhaust pipeline, an exhaust fan and a second filter device, the exhaust fan and the second filter device are disposed on the exhaust pipeline, the exhaust fan is disposed at an inlet of the second filter device, and the second filter device purifies the exhausted air and then exhausts the purified air. In the invention, the exhaust fan is an axial flow fan; the second filter device is a high-temperature resistant air filter, and can filter high-temperature air, so that the pollution of harmful substances in the discharged gas to the air is reduced.
Preferably, the pipeline and the periphery of the oven 4 in the high-temperature sterilization equipment are both provided with heat insulation layers, and the heat insulation layers are silicate heat insulation plates; on the other hand, the damage to other components caused by heat radiation is also avoided.
The working process of the high-temperature sterilization equipment is as follows:
the air intake device 1 is started, the sucked air is filtered through the first filtering device 2, then enters the first heating device 3, enters the oven 4 from the top after being heated, and is discharged from the air exhaust device 6 arranged at the bottom of the oven 4, at this stage, because the articles on the tray are attached with water drops, the water drops are evaporated by hot air to become water vapor, the air exhaust device 6 continuously exhausts air to rapidly discharge the hot air with high humidity in the oven 4, and the air is supplemented from the air intake device 1;
the air circulation device 5 is started to enable air in the drying oven 4 to circularly flow and secondarily heat the circulated air to accelerate the temperature rise in the drying oven 4, the air distribution mechanism 7 of the air circulation device 5 directly blows the secondarily heated air to the articles on the tray 8, so that moisture attached to the surfaces of the articles can be quickly taken away, and the temperature in the drying oven 4 is 180-200 ℃;
when the air exhaust device 6 works for a period of time, the humidity in the oven 4 is reduced, and drying and sterilization are carried out, wherein the temperature in the oven 4 is 180-;
after finishing the high temperature sterilization operation, the control valves 9 at the two ends of the water cooling device 53 are opened, the control valves 9 at the two ends of the second heating device 52 are closed, the oven 4 is cooled, the cooling water is cooled more quickly than the air cooling, the rapid cooling can be realized, and the temperature in the oven 4 is reduced to 30-50 ℃.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A high-temperature sterilization device is characterized by comprising an air inlet device, a first filtering device, a first heating device, an oven, an air circulating device and an air exhaust device;
the inlets of the air inlet device, the first filtering device and the first heating device are sequentially connected, and the outlet of the first heating device is connected with the air inlet of the oven; the air circulating device is respectively connected with a circulating air inlet and a circulating air outlet of the oven and is used for circulating air in the oven and dehumidifying the air in the oven; the air outlet of the oven is connected with the air exhaust device;
the circulating device comprises a dehumidifying device, a second heating device, a water cooling device, a gas distribution mechanism and a plurality of control valves; the moisture removing device is respectively connected with the second heating device and the water cooling device, the second heating device and the water cooling device are arranged in parallel, an outlet of the second heating device is converged with an outlet of the water cooling device and then is connected with a circulating air outlet of the oven, and the control valves are respectively arranged at two ends of an inlet and an outlet of the second heating device and the water cooling device and are used for controlling the connection or the closing of a connecting pipeline of the second heating device and a connecting pipeline of the water cooling device;
the drying oven is also internally provided with a plurality of layers of trays and a gas distribution mechanism, the gas distribution mechanism is connected with the circulating air outlet, and the gas distribution mechanism is arranged below the rest trays except the first layer.
2. The high-temperature sterilization equipment as claimed in claim 1, wherein the oven further comprises fixing parts, the fixing parts are arranged on two sides of the oven, and the fixing parts are used for supporting the tray and fixing the gas distribution mechanism.
3. An autoclave apparatus according to claim 2, wherein the fixing portion is provided with a plurality of first rollers rotatably connected to the fixing portion, and the bottom of the tray is in line contact with the first rollers.
4. The high-temperature sterilization equipment according to claim 2, wherein the gas distribution mechanism comprises the pipeline frame, a main pipe and a plurality of gas injection mechanisms;
the two sides of the pipeline frame are clamped with the fixing parts, so that the pipeline frame and the fixing parts are fixed into a whole; the upper end of the main pipe is connected with the circulating air inlet, the pipeline frame is communicated with the main pipe, and the main pipe is connected with the pipeline frame through a quick-release joint;
the pipeline frame comprises a plurality of first branch pipes and a plurality of second branch pipes, the first branch pipes are transversely and longitudinally crossed and communicated with the second branch pipes, the intersections of the first branch pipes and the second branch pipes are provided with the air injection mechanisms, and air injection ports of the air injection mechanisms face the trays.
5. The high-temperature sterilization equipment as claimed in claim 4, wherein the gas injection mechanism comprises a gas injection connecting pipe, a connecting part, a first spray pipe and a second spray pipe;
the cross of the pipeline frame is connected with one end of the air injection connecting pipe, the other end of the air injection connecting pipe is connected with one end of the central pipe of the connecting portion, the first spray pipe is connected with the other end of the central pipe of the connecting portion, and the second spray pipe is arranged on the connecting portion.
6. A high-temperature sterilization device as claimed in claim 5, wherein the bottom of the tray is uniformly provided with vent holes, and the vent holes correspond to the second nozzles one by one, so that air is sent to penetrate through the multiple layers of trays in sequence.
7. A high-temperature sterilization equipment as claimed in claim 5, wherein the connecting part is an annular hollow pipe, the annular hollow pipe further comprises a secondary pipe communicated with the central pipe, and two ends of the secondary pipe are communicated with the annular hollow pipe and the central pipe.
8. An autoclave apparatus according to claim 4, wherein the pipe rack is further provided with a support part provided with a plurality of second rollers rotatably connected to the support part, and the bottom of the tray is in line contact with the second rollers.
9. A high-temperature sterilization device as claimed in claim 1, wherein the inlet of the moisture exhaust device is connected with the circulating air outlet, and the outlet of the moisture exhaust fan is respectively connected with the second heating device and the water cooling device.
10. The high-temperature sterilization equipment according to claim 1, wherein the exhaust device further comprises an exhaust pipeline, an exhaust fan and a second filtering device, the exhaust fan and the second filtering device are arranged on the exhaust pipeline, the second exhaust fan is arranged at the outlet of the second filtering device, and the second filtering device purifies the exhausted air and then exhausts the purified air from the exhaust fan.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011193253.7A CN112284063A (en) | 2020-10-30 | 2020-10-30 | High-temperature sterilization equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011193253.7A CN112284063A (en) | 2020-10-30 | 2020-10-30 | High-temperature sterilization equipment |
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| Publication Number | Publication Date |
|---|---|
| CN112284063A true CN112284063A (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011193253.7A Pending CN112284063A (en) | 2020-10-30 | 2020-10-30 | High-temperature sterilization equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114440568A (en) * | 2022-01-29 | 2022-05-06 | 上海塑研自动化科技有限公司 | High-efficient drying cabinet |
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| CN203771913U (en) * | 2014-01-07 | 2014-08-13 | 成都恒瑞制药有限公司 | Intelligent energy-saving medicine drying box |
| CN205373290U (en) * | 2016-01-11 | 2016-07-06 | 上海阿趣生物科技有限公司 | Quick dry device of stoving that looses |
| CN205536922U (en) * | 2016-02-22 | 2016-08-31 | 宁波大学 | Baking oven device for laboratory |
| CN208238419U (en) * | 2018-03-23 | 2018-12-14 | 贵州省人民医院 | A kind of Chinese medicine drying system |
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| CN1034422A (en) * | 1987-10-24 | 1989-08-02 | 国家机械工业委员会沈阳真空技术研究所 | Closed vacuum hot-air dry system |
| CN203771913U (en) * | 2014-01-07 | 2014-08-13 | 成都恒瑞制药有限公司 | Intelligent energy-saving medicine drying box |
| CN205373290U (en) * | 2016-01-11 | 2016-07-06 | 上海阿趣生物科技有限公司 | Quick dry device of stoving that looses |
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Application publication date: 20210129 |