CN204202354U - For the conduction oil cooling system of the board-like freeze dryer of triple heat exchange - Google Patents
For the conduction oil cooling system of the board-like freeze dryer of triple heat exchange Download PDFInfo
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- CN204202354U CN204202354U CN201420415345.9U CN201420415345U CN204202354U CN 204202354 U CN204202354 U CN 204202354U CN 201420415345 U CN201420415345 U CN 201420415345U CN 204202354 U CN204202354 U CN 204202354U
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Abstract
The utility model is a kind of conduction oil cooling system for the board-like freeze dryer of triple heat exchange, this conduction oil cooling system, conduction oil cooling system is external includes control valve, conduction oil cooler, multiple heating agent valve and multiple circulating pump on heating agent circulating line; Conduction oil cooler is arranged on the thermal cycle pipeline between freeze drying box and condenser, conduction oil cooler has heat-conducting oil pipes and the cooling jacket around heat-conducting oil pipes, heat-conducting oil pipes connects heating agent circulating line, recirculated water passes through cooling jacket, to be cooled to compressor operating temperature after conduction oil flows through heat-conducting oil pipes.Conduction oil cooling means comprises three circulations and exchanges cooling.Conduction oil cooling system of the present utility model is external on heating agent circulating line, adopt conduction oil cooler to coordinate automatic valve controlled circulation to exchange cooling procedure, conduction oil can be cooled fast, and then shorten the cooling cycle after SIP, owing to effectively shortening cool time, production capacity can be improved.
Description
Technical field
The utility model relates to a kind of pharmacy freeze dryer, relates to a kind of cooling system of freeze dryer specifically.
Background technology
In order to ensure the aseptic of medicine, the freeze drying box of the freeze dryer such as board-like freeze dryer of triple heat exchange is comprised condenser, related valve and pipeline and must be managed as sterilized space by steam sterilizing.Whole sterilization process be temperature be 121 DEG C, absolute pressure carries out under being the condition of 0.205MPa.After sterilizing, the internal temperature of freeze drying box and condenser is just more than 121 DEG C, and intrasystem conduction oil also will more than 100 DEG C.Naturally the time of cooling needs more than 24 hours, and the so long time cannot cater to the demand of client.Therefore, freeze dryer all attaches the cooling that cooling water jecket carries out after SIP (online steam sterilizing), but water leg can only cool freeze drying box housing, the cooling of conduction oil in flaggy is needed to be cooled to suitable temperature to open compressor again and carries out silicone oil cooling, this is the service life in order to not affect compressor, and the open temp of compressor is 40 degree.This cooling cycle still needs more than 9 hours, and client needs the shorter time.
Therefore, how can carry out fast cooling to meet the need of market, improve production capacity, this is the problem that freeze drying box manufacturer common need solves.
Utility model content
The purpose of this utility model is to provide a kind of conduction oil cooling system for the board-like freeze dryer of triple heat exchange, effectively can shorten cool time, to improve production capacity.
Conduction oil cooling system for the board-like freeze dryer of triple heat exchange of the present utility model, described freeze dryer comprises freeze drying box, condenser, vavuum pump, heating agent circulating line, compressor, and described conduction oil cooling system is external includes control valve, conduction oil cooler, multiple heating agent valve and multiple circulating pump on heating agent circulating line; Described conduction oil cooler is arranged on the thermal cycle pipeline between described freeze drying box and condenser, described conduction oil cooler has heat-conducting oil pipes and the cooling jacket around described heat-conducting oil pipes, described heat-conducting oil pipes connects described heating agent circulating line, recirculated water, by described cooling jacket, is cooled to compressor operating temperature after flowing through described heat-conducting oil pipes at conduction oil.
The quantity of described multiple circulating pump is 2, comprises the first circulating pump and the second circulating pump; The quantity of described multiple heating agent valve is 2, comprises the first heating agent valve and the second heating agent valve.
Described conduction oil, through the water circulation of outside described conduction oil cooler, is reduced to compressor operating temperature fast by the temperature of high temperature heat conductive oil.
Being reduced to compressor operating temperature fast by the temperature of high temperature heat conductive oil is be down to 35 DEG C from 120 DEG C within 2 hours, directly to open compressor cooling conduction oil.
Conduction oil cooling means for the board-like freeze dryer of triple heat exchange of the present utility model, above-mentioned conduction oil cooling system of the present utility model is implemented and comprises three circulations to exchange cooling.
Wherein first time circulation exchange cooling comprises: open the first circulating pump, the first heating agent valve and control valve, flow through described cooler through circulating cooling to 40 DEG C to make ducted conduction oil; Second time circulation exchanges cooling and comprises: open the first circulating pump and control valve, open the second heating agent valve, close the first heating agent valve, make the conduction oil to 60 DEG C in circulating cooling condenser; And third time circulation exchange cooling comprises: when the temperature of condenser conduction oil is lower than 60 DEG C, directly open compression and freeze; Conduction oil in condenser is after compressor cooling, and temperature declines rapidly, then control valve is placed in the state of pass, and the conduction oil in circulation freeze drying box is freezed.
Conduction oil cooling system of the present utility model is external on heating agent circulating line, conduction oil cooler is adopted to coordinate automatic valve controlled circulation to exchange cooling procedure, outward appearance and freeze-drying performance are not had an impact, and conduction oil can be cooled fast, and then the cooling cycle shortened after SIP, owing to effectively shortening cool time, production capacity can be improved.
Accompanying drawing explanation
Fig. 1 is the schematic diagram adopting the conduction oil cooling system for the board-like freeze dryer of triple heat exchange of the utility model embodiment to carry out first time exchange cooling;
Fig. 2 adopts the conduction oil cooling system for the board-like freeze dryer of triple heat exchange of the utility model embodiment to carry out second time to exchange the schematic diagram cooled;
Fig. 3 is the schematic diagram adopting the conduction oil cooling system for the board-like freeze dryer of triple heat exchange of the utility model embodiment to carry out third time time exchange cooling; And
Fig. 4 is the layout drawing of the conduction oil cooling system for the board-like freeze dryer of triple heat exchange of the utility model embodiment.
Detailed description of the invention
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent, below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is elaborated.First it should be noted that, the utility model is not limited to following detailed description of the invention, the spirit that those skilled in the art should embody from following embodiment is to understand the utility model, and each technical term can do the most wide in range understanding based on Spirit Essence of the present utility model.Reference numeral identical in the accompanying drawings represents identical part.
Fig. 4 illustrates the conduction oil cooling system for the board-like freeze dryer of triple heat exchange of the utility model embodiment.Freeze dryer comprises freeze drying box 1, condenser 2, vavuum pump 5, heating agent circulating line 9, and conduction oil cooling system is external comprises control valve 6, conduction oil cooler 2,2 heating agent valves i.e. the first heating agent valve 8a and second heating agent valve 8b and 2 circulating pump i.e. first circulating pump 7a, 7b and compressor 4 on heating agent circulating line 9.Conduction oil cooler 2 is arranged on the thermal cycle pipeline 9 between freeze drying box 1 and condenser 2, conduction oil cooler 2 has heat-conducting oil pipes and the cooling jacket (sign) around described heat-conducting oil pipes, heat-conducting oil pipes connects heating agent circulating line 9 and flows through for conduction oil, and recirculated water passes through cooling jacket, to be cooled to the operating temperature of compressor 4 after conduction oil flows through heat-conducting oil pipes, this operating temperature is about 35 DEG C, namely directly can open compressor 4 in this operating temperature and to freeze conduction oil.
The conduction oil cooling means of the board-like freeze dryer of triple heat exchange of the present utility model adopts conduction oil cooling system of the present utility model to implement and after SIP, comprises three circulations and exchanges cooling, as shown in Figure 1 to Figure 3, heavy line in figure be display be conduction oil in heating agent circulating line 9 be high temperature heat conductive oil, dotted line in display heating agent circulating line 9 is the conduction oil only cooled, and the circulation of dotted line display cooling agent.Wherein first time circulation exchanges cooling, as shown in Figure 1, comprising: open the first circulating pump 7a, the first heating agent valve 8a and control valve 6 (being in ON position), flow through cooler to make ducted conduction oil, as is shown in phantom lines, conduction oil is through circulating cooling to 40 DEG C.Second time circulation exchanges cooling, as shown in Figure 2, comprising: open the first circulating pump 7a and control valve 6 (being in ON position), open the second heating agent valve 8b, close the first heating agent valve 8a, make the conduction oil to 60 DEG C in circulating cooling condenser 2, as is shown in phantom lines.Third time circulation exchanges cooling, as shown in Figure 3, comprising: when the temperature of condenser conduction oil is lower than 60 DEG C, directly opens compressor and freezes, as shown in dotted sections; Conduction oil in condenser 2 is after compressor 4 freezes, and temperature declines rapidly, then control valve is placed in closedown (being in OFF position) state, the conduction oil in circulation freeze drying box 1 is freezed, as is shown in phantom lines.
By theory calculate, conduction oil, through the water circulation of outside conduction oil cooler 2, can be down to 35 DEG C (calculating for 800L conduction oil) from 120 DEG C by conduction oil within 2 hours, and then directly opened compressor cooling conduction oil.
It should be noted that the conduction oil that can not directly cool in flaggy, because after SIP, conduction oil temperature in flaggy is more than 120 DEG C, direct use cooling water carries out heat exchange, and the cooling water in external exchanger can be made to seethe with excitement instantaneously, and pressure raises, have the danger of blast, for safety, therefore must carry out first time circulation and exchange the conduction oil cooling and namely first cool in heating agent circulating line 9, dashed middle line part as shown in Figure 1.
Experiment proves, by above 3 circulating coolings, for the freeze dryer of 20 squares (800L conduction oil), only needs within 30 minutes, just to say that conduction oil is down to room temperature from 120 DEG C, is down to the cooling cycle after whole SIP within 2 hours.
In sum, conduction oil cooling system of the present utility model is external on heating agent circulating line 9, adopts conduction oil cooler 2 to coordinate automatic valve to comprise the control of control valve 6, heating agent valve 8a, 8b, effectively shortens cool time.
From the detailed description of the above conduction oil cooling system for the board-like freeze dryer of triple heat exchange to an embodiment of the present utility model, the utility model has the following advantages:
The utility model adopts the method for water-cooled to cool fast conduction oil, and then shortens the cooling cycle after SIP, improves production capacity; Cooler 2 is arranged on circulation pipe arrangement 9, and only increase valve 6,8a, 8b control, and do not have an impact to outward appearance and freeze-drying performance.
Should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after having read above-mentioned instruction content of the present utility model.
Claims (4)
1. the conduction oil cooling system for the board-like freeze dryer of triple heat exchange, described freeze dryer comprises freeze drying box, condenser, vavuum pump, heating agent circulating line, compressor, it is characterized in that, described conduction oil cooling system is external includes control valve, conduction oil cooler, multiple heating agent valve and multiple circulating pump on heating agent circulating line; Described conduction oil cooler is arranged on the thermal cycle pipeline between described freeze drying box and condenser, described conduction oil cooler has heat-conducting oil pipes and the cooling jacket around described heat-conducting oil pipes, described heat-conducting oil pipes connects described heating agent circulating line, recirculated water, by described cooling jacket, is cooled to compressor operating temperature after flowing through described heat-conducting oil pipes at conduction oil.
2. the conduction oil cooling system for the board-like freeze dryer of triple heat exchange according to claim 1, is characterized in that, the quantity of described multiple circulating pump is 2, comprises the first circulating pump and the second circulating pump; The quantity of described multiple heating agent valve is 2, comprises the first heating agent valve and the second heating agent valve.
3. the conduction oil cooling system for the board-like freeze dryer of triple heat exchange according to claim 1, it is characterized in that, described conduction oil, through the water circulation of outside described conduction oil cooler, is reduced to compressor operating temperature fast by the temperature of high temperature heat conductive oil.
4. the conduction oil cooling system for the board-like freeze dryer of triple heat exchange according to claim 3, it is characterized in that, being reduced to compressor operating temperature fast by the temperature of high temperature heat conductive oil is be down to 35 DEG C from 120 DEG C within 2 hours, directly to open compressor cooling conduction oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415345.9U CN204202354U (en) | 2014-07-25 | 2014-07-25 | For the conduction oil cooling system of the board-like freeze dryer of triple heat exchange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415345.9U CN204202354U (en) | 2014-07-25 | 2014-07-25 | For the conduction oil cooling system of the board-like freeze dryer of triple heat exchange |
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| CN204202354U true CN204202354U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420415345.9U Expired - Fee Related CN204202354U (en) | 2014-07-25 | 2014-07-25 | For the conduction oil cooling system of the board-like freeze dryer of triple heat exchange |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132529A (en) * | 2014-07-25 | 2014-11-05 | 上海共和真空技术有限公司 | Conduction oil cooling system and method for triple heat exchange plate-type freeze dryer |
| CN108025221A (en) * | 2015-06-11 | 2018-05-11 | 易科迪斯特股份有限公司 | Compact refrigeration machine and cooler arrangement, device and system |
| US10307688B2 (en) | 2014-11-25 | 2019-06-04 | Ecodyst, Inc. | Distillation and rotary evaporation apparatuses, devices and systems |
-
2014
- 2014-07-25 CN CN201420415345.9U patent/CN204202354U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132529A (en) * | 2014-07-25 | 2014-11-05 | 上海共和真空技术有限公司 | Conduction oil cooling system and method for triple heat exchange plate-type freeze dryer |
| CN104132529B (en) * | 2014-07-25 | 2016-05-25 | 上海共和真空技术有限公司 | For the conduction oil cooling means of the board-like freeze dryer of triple heat exchanges |
| US10307688B2 (en) | 2014-11-25 | 2019-06-04 | Ecodyst, Inc. | Distillation and rotary evaporation apparatuses, devices and systems |
| US10898828B2 (en) | 2014-11-25 | 2021-01-26 | Ecodyst, Inc. | Distillation and rotary evaporation apparatuses, devices and systems |
| US11779857B2 (en) | 2014-11-25 | 2023-10-10 | Ecodyst, Inc. | Distillation and rotary evaporation apparatuses, devices and systems |
| CN108025221A (en) * | 2015-06-11 | 2018-05-11 | 易科迪斯特股份有限公司 | Compact refrigeration machine and cooler arrangement, device and system |
| JP2018520330A (en) * | 2015-06-11 | 2018-07-26 | エコディスト インコーポレイテッド | Compact chiller and cooler apparatus, device and system |
| EP3307411A4 (en) * | 2015-06-11 | 2019-03-06 | Ecodyst, Inc. | Compact chiller and cooler apparatuses, devices and systems |
| US11047602B2 (en) | 2015-06-11 | 2021-06-29 | Ecodyst, Inc. | Compact chiller and cooler apparatuses, devices and systems |
| US11927370B2 (en) | 2015-06-11 | 2024-03-12 | Ecodyst, Inc. | Compact chiller and cooler apparatuses, devices and systems |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20170725 |
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| CF01 | Termination of patent right due to non-payment of annual fee |