CN209827633U - Steam sterilizer for quickly cooling ampoule - Google Patents

Abstract

The utility model relates to the technical field of sterilizers, in particular to a rapid cooling ampoule steam sterilizer, which comprises a sterilizer body, wherein a compressed gas cooling uniform distribution pipeline is arranged at the upper part of the inner side of the sterilizer body, a steam pipeline and an inner chamber compressed gas cooling pipeline are respectively connected at the upper part inlet of the sterilizer body, a steam inlet valve is arranged on the steam inlet pipeline, a valve is arranged on the inner chamber compressed gas cooling pipeline, a heat exchanger is arranged on the inner chamber compressed gas cooling pipeline, and the inlet of the heat exchanger is connected with a freezing water pipeline; the utility model discloses increase cavity top compressed gas cooling equipartition pipeline, compressed gas top-down is even cools off the medicine, under the condition of same forced air cooling, realizes the even cooling to the medicine, and the heat exchanger is to compressed gas cooling, and the compressed gas of cooling usefulness is further cooled off through the heat exchanger for cooling time shortens behind the medicine sterilization technique.

Description

Steam sterilizer for quickly cooling ampoule

Technical Field

The utility model relates to a sterilizer technical field, concretely relates to quick cooling ampoule steam sterilizer.

Background

At present, the common ampoule steam sterilizer has 2 cooling modes, namely air cooling (commonly called air cooling) and water cooling. Air cooling has the problem of slow cooling time, water cooling has the problem of bottle frying, and some special medicines are not easy to adopt water cooling. The rapid cooling ampoule steam sterilizer cools the medicines in the cabinet after being cooled by the heat exchanger through increasing the inner chamber cooling pipeline and reforming the external pipeline structure, and also adopts air cooling, and the cooling efficiency is higher than that of common air cooling.

The cooling stage is transferred after the sterilization of ordinary ampoule steam sterilizer, advances the compressed gas valve and opens, and the compressed gas gets into the cavity through the trompil at equipment top to discharge from the equipment bottom, the heat of medicine is taken away to the hot-air of replacement cavity, cools off the medicine. The ordinary ampoule steam sterilizer is only through the limited trompil in equipment top, advances compressed gas cooling, and the inside pipeline that does not make compressed gas evenly distributed of cavity to the compressed gas of cooling usefulness does not have through the heat exchanger cooling, can't accomplish and carry out even cooling to the medicine, leads to the whole cooling time of medicine longer.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the technical problem, the utility model aims to provide a: provided is a rapid cooling ampoule steam sterilizer which can shorten the cooling time after sterilizing the medicine.

The utility model discloses a solve the technical scheme that its technical problem adopted and do:

the rapid cooling ampoule steam sterilizer comprises a sterilizer body, wherein a compressed gas cooling uniform distribution pipeline is arranged on the upper part of the inner side of the sterilizer body, an inlet of the upper part of the sterilizer body is respectively connected with a steam pipeline and an inner chamber compressed gas cooling pipeline, a steam inlet valve is arranged on the steam inlet pipeline, a valve is arranged on the inner chamber compressed gas cooling pipeline, a heat exchanger is arranged on the inner chamber compressed gas cooling pipeline, an inlet of the heat exchanger is connected with a chilled water pipeline, a chilled water inlet valve is arranged on the chilled water inlet pipeline, an outlet of the heat exchanger is connected with a chilled water discharge pipeline, a sealing door of the sterilizer body is connected with a compressed gas inlet pipeline, a side part inlet of the sterilizer body is connected with a vacuum pipeline, a vacuum evacuation valve and a vacuum pump are arranged on the vacuum pipeline, the lower part of the sterilizer body is respectively connected with a high-pressure exhaust, and a drainage control valve is arranged on the drainage pipeline.

Further preferably, the compressed gas cooling uniform distribution pipeline comprises three groups of perforated pipe groups arranged in parallel and a connecting pipe group communicated with the perforated pipe groups, the connecting pipe group and the perforated pipe groups are arranged vertically, a plurality of through holes are formed in the perforated pipe groups, the compressed gas cooling uniform distribution pipeline can ensure that compressed gas is uniformly and quickly discharged from the bottom of the sterilizer from top to bottom, hot air in the displacement cavity and heat of the medicine are taken away, and the medicine is cooled.

Preferably, the inlet of the vacuum pump is connected with an evacuation port of the sterilizer body and a door sealing pressure relief port of the sterilizer body, the outlet of the vacuum pump is connected with an evacuation exhaust pipeline, and the water inlet pipeline is provided with an electromagnetic valve.

Preferably, the valve on the compressed gas cooling pipeline of the inner chamber is divided into a large inlet compressed gas valve and a small inlet compressed gas valve which are arranged in parallel, so that the inlet amount of compressed gas can be adjusted, the pressure of the inner chamber of the sterilizer body can be adjusted, and the smooth proceeding of each program can be ensured.

Preferably, the steam inlet pipeline is also provided with a steam pressure reducing valve, the inner chamber compressed gas cooling pipeline is also provided with a filtering pressure reducing valve, and the drain pipeline is also provided with a drain valve.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses increase cavity top compressed gas cooling equipartition pipeline, compressed gas top-down is even cools off the medicine, under the condition of same forced air cooling, realizes the even cooling to the medicine, and the heat exchanger is to compressed gas cooling, and the compressed gas of cooling usefulness is further cooled off through the heat exchanger for cooling time shortens behind the medicine sterilization technique.

Drawings

FIG. 1 is a schematic structural view of the present invention;

figure 2 the utility model discloses compressed gas cooling equipartition pipeline structure sketch map.

In the figure: 1. an evacuation valve; 2. a heat exchanger; 3. a freezing water discharge pipeline; 4. a chilled water valve; 5. a steam inlet valve; 6. a freezing water inlet pipeline; 7. a steam inlet pipeline; 8. a compressed air pipeline is entered; 9. evacuating the exhaust line; 10. a water inlet pipeline; 11. an inner chamber compressed gas cooling line; 12. a drain line; 13. an electromagnetic valve; 14. a high pressure exhaust valve; 15. a large inlet compression air valve; 16. a small inlet compression air valve; 17. a high pressure exhaust line; 18. a vacuum pump; 19. a drain control valve; 20. a sterilizer body; 21. the compressed gas cools the uniform distribution pipeline; 22. a perforated pipe group; 23. a connecting pipe group; 24. a five-way joint.

Detailed Description

The embodiments of the present invention will be further described with reference to the accompanying drawings:

example 1

As shown in fig. 1-2, the rapid cooling ampoule steam sterilizer of the present invention comprises a sterilizer body 20, a compressed gas cooling and uniform distribution pipeline 21 is arranged on the upper portion of the inner side of the sterilizer body 20, an upper portion inlet of the sterilizer body 20 is connected to a steam pipeline 7 and an inner chamber compressed gas cooling pipeline 11 respectively, the steam pipeline 7 is provided with a steam inlet valve 5, the inner chamber compressed gas cooling pipeline 11 is provided with a valve, the inner chamber compressed gas cooling pipeline 11 is provided with a heat exchanger 2, an inlet of the heat exchanger 2 is connected to a chilled water pipeline 6, the chilled water inlet pipeline 6 is provided with a chilled water valve 4, an outlet of the heat exchanger 2 is connected to a chilled water discharge pipeline 3, a sealing door of the sterilizer body 20 is connected to a compressed gas pipeline 8, the opening of each valve F1-F7 and the sealing of the sealing door are controlled by an FD valve island, a side portion inlet of the sterilizer body 20 is connected to a vacuum, the vacuum pipeline is provided with an evacuation valve 1 and a vacuum pump 18, the lower part of the sterilizer body 20 is respectively connected with a high-pressure exhaust pipeline 17 and a drain pipeline 12, the high-pressure exhaust pipeline 17 is provided with a high-pressure exhaust valve 14, and the drain pipeline 12 is provided with a drain control valve 19.

The compressed gas cooling and uniformly distributing pipeline 21 comprises three groups of perforated pipe groups 22 arranged in parallel and a connecting pipe group 23 communicated with the perforated pipe groups 22, the connecting pipe group 23 and the perforated pipe groups 22 are arranged vertically, a five-way joint 24 is arranged at the intersection of the connecting pipe group 23 and the perforated pipe group 22 in the middle, a plurality of through holes are formed in the perforated pipe groups 22, the compressed gas cooling and uniformly distributing pipeline 21 can ensure that compressed gas is uniformly and rapidly discharged from the bottom of the sterilizer from top to bottom, hot air in a displacement chamber is taken away, and the medicine is cooled; the inlet of the vacuum pump 18 is connected with the water inlet pipeline 10, the inlet of the vacuum pump 18 is connected with the evacuation port of the sterilizer body 20 and the door sealing pressure relief port of the sterilizer body 20, the outlet of the vacuum pump 18 is connected with the evacuation exhaust pipeline 9, and the water inlet pipeline 10 is provided with the electromagnetic valve 13; the valves on the inner chamber compressed gas cooling pipeline 11 are divided into a large inlet compressed gas valve 15 and a small inlet compressed gas valve 16 which are arranged in parallel, the inlet amount of compressed gas can be adjusted, the pressure of the inner chamber of the sterilizer body 20 is further adjusted, and each program is ensured to be smoothly carried out; a steam pressure reducing valve is further arranged on the steam inlet pipeline 7, a filtering pressure reducing valve is further arranged on the inner chamber compressed gas cooling pipeline 11, and a drain valve is further arranged on the drain pipeline 12.

The utility model discloses a working process:

1. evacuation stage before temperature rise

Starting the vacuum pump 18, opening the electromagnetic valve 13 and the evacuation valve 1, evacuating the sterilizer body 20, and when the pressure in the inner chamber of the sterilizer body 20 reaches the set value of the lower vacuum limit, turning to the temperature rise stage.

2. Temperature raising stage

The steam inlet valve 5 is controlled to be opened and closed by pressure limit, and when the pressure of the inner chamber of the sterilizer body 20 is increased to 0 from the lower vacuum limit, the drain control valve 19 is opened; when the temperature of the inner chamber of the sterilizer body 20 reaches the sterilization set value, the sterilization stage is switched to (the drainage control valve 19 is normally opened when the pressure is higher than the door opening pressure).

3. Sterilization phase

The steam inlet valve 5 is controlled by pressure to be opened or closed (the pressure limit-return difference is less than or equal to P and less than or equal to the pressure limit), and the drainage control valve 19 is opened; when the sterilization time reaches the set value, the pressure discharge (cooling) stage is switched (in the stage, when the pressure is more than 0, the drainage control valve 19 is normally opened).

4. Pressure relief (cooling) stage

The chilled water valve 4 is opened to the maintenance is normally opened, and the chilled water is through heat exchanger 2, and the compressed gas in the interior room pressure gas cooling pipeline 11 cools down, and the big compressed gas that advances of the interior room advances the compression valve 15 simultaneously, advances the compression valve 16 for a short time and receives the interior room pressure control of steriliser body 20 and open or close: 1. when the pressure is below 0.1MPa, the compressed gas enters the compressed gas valve 15 in a large way and the compressed gas enters the compressed gas valve 16 in a small way at the same time; 2. when the pressure is between 0.1MPa and the pressure limit, the big compressed gas inlet compression air valve 15 is closed, and the small compressed gas inlet compression air valve 16 is kept open (at the moment, the compressed gas enters the heat exchanger 2 to exchange heat with the chilled water and then enters the inner chamber to cool the medicine); 4. when the pressure of the inner chamber exceeds the pressure limit, the compressed gas enters the compression air valve 15 and the small-inlet compression air valve 16 and is closed at the same time, and the high-pressure exhaust valve 14 opens the inner chamber to release the pressure and remove high-temperature gas. After the pressure is reduced, the compressed air large-inlet compression air valve 15 and the compressed air small-inlet compression air valve 16 are repeatedly opened or closed according to the principle until the temperature of the inner chamber is reduced to the set temperature, the chilled water valve 4, the compressed air large-inlet compression air valve 15 and the compressed air small-inlet compression air valve 16 are all closed, and the high-pressure exhaust valve 14 is kept opened until the pressure of the inner chamber is 0 (at the stage, when the pressure is higher than the door opening pressure, the drainage control valve 19 is normally opened).

Claims (5)

1. A rapid cooling ampoule steam sterilizer comprises a sterilizer body (20), wherein a compressed gas cooling uniform distribution pipeline (21) is arranged on the upper part of the inner side of the sterilizer body (20), and is characterized in that an inlet of the upper part of the sterilizer body (20) is respectively connected with a steam inlet pipeline (7) and an inner chamber compressed gas cooling pipeline (11), a steam inlet valve (5) is arranged on the steam inlet pipeline (7), a valve is arranged on the inner chamber compressed gas cooling pipeline (11), a heat exchanger (2) is arranged on the inner chamber compressed gas cooling pipeline (11), an inlet of the heat exchanger (2) is connected with a freezing water inlet pipeline (6), a freezing water valve (4) is arranged on the freezing water inlet pipeline (6), an outlet of the heat exchanger (2) is connected with a freezing water discharge pipeline (3), a sealing door of the sterilizer body (20) is connected with a compressed gas inlet pipeline (8), and an inlet of the side part of the sterilizer body (20) is connected with a vacuum, set up evacuation valve (1) and vacuum pump (18) on the vacuum pipeline, the lower part of steriliser body (20) connects high-pressure exhaust pipe way (17) and drain line (12) respectively, set up high-pressure exhaust valve (14) on high-pressure exhaust pipe way (17), set up drain control valve (19) on drain line (12).

2. A rapid cooling ampoule steam sterilizer as claimed in claim 1, wherein the compressed gas cooling and uniform distribution pipeline (21) comprises three sets of perforated pipe groups (22) arranged in parallel and a connecting pipe group (23) communicated with the perforated pipe groups (22), the connecting pipe group (23) is arranged perpendicular to the perforated pipe groups (22), and a plurality of through holes are arranged on the perforated pipe groups (22).

3. The rapid cooling ampoule steam sterilizer as claimed in claim 1, wherein the inlet of the vacuum pump (18) is connected with the evacuation port of the sterilizer body (20) and the door sealing pressure relief port of the sterilizer body (20), the outlet of the vacuum pump (18) is connected with the evacuation exhaust pipeline (9), and the water inlet pipeline (10) is provided with the solenoid valve (13).

4. A rapid cooling ampoule steam sterilizer as defined in claim 1, wherein the valves on the inner chamber compressed gas cooling line (11) are divided into a large inlet compressed gas valve (15) and a small inlet compressed gas valve (16) arranged in parallel.

5. The rapid cooling ampoule steam sterilizer of claim 1, wherein a steam pressure reducing valve is further provided on the steam inlet line (7), a filtration pressure reducing valve is further provided on the inner chamber compressed gas cooling line (11), and a drain valve is further provided on the drain line (12).