CN102278792A - Air filtering device of refrigeration storage matched with freeze drying equipment in aseptic workshop - Google Patents
Air filtering device of refrigeration storage matched with freeze drying equipment in aseptic workshop Download PDFInfo
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- CN102278792A CN102278792A CN2011101546828A CN201110154682A CN102278792A CN 102278792 A CN102278792 A CN 102278792A CN 2011101546828 A CN2011101546828 A CN 2011101546828A CN 201110154682 A CN201110154682 A CN 201110154682A CN 102278792 A CN102278792 A CN 102278792A
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- freeze drying
- drying equipment
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Abstract
The invention relates to an air filtering device, in particular to a filtering device for providing dry, smellless and aseptic air for a refrigeration storage matched with freeze drying equipment in an aseptic workshop. The air filtering device comprises an air draft channel, a detachable active carbon adsorption assembly, a warming assembly, an ultrafiltration membrane assembly, a cooling assembly, an air supply pipeline and a whole device disinfecting facility. By means of the device, the environmental quality of the refrigeration storage matched with the freeze drying equipment can be effectively increased and the food industrial standard with higher requirements is achieved.
Description
Technical field
The present invention relates to a kind of air filter, relating in particular to a kind ofly provides filter dry, tasteless, filtrated air for the supporting freezer of freeze drying equipment in the sterile workshop.
Background technology
Freezer is the requisite auxiliary facility of normal freeze-drying equipment, is used for the object of needs drying is refrigerated to below-20 ℃, and moisture is wherein existed with solid-state form, has reached the purpose of follow-up lyophilization.
Along with food, especially the safety of functional nutrient food more and more obtains people's attention, and the environment for use of freeze drying equipment is shifted in sterile workshop by original open job shop just gradually.Food service industry has proposed more and more higher requirement to the disinfecting control of normal freeze-drying equipment, but because pharmaceutical grade freeze drying equipment cost is too high, so need improve existing food-grade freeze drying equipment, has reached production requirement.
Being complete closed in the freezer use, does not circulate in air and external world in it, and the very easily enrichment of micro dust particle, moisture causes the taste of air big, humidity is high, microorganism easily grows.The routine disinfection method is applied to freezer impassable difficulty: 1. fumigating system or spray-on process.These two kinds of methods can only be implemented in the time of the freezer withdraw from service, and frequency of utilization is restricted, and the chemical reagent that uses easily residues in the air, and because of the air turnover rate in the freezer is low, its range of scatter is suppressed.Also increased the humidity of freezer air simultaneously because of the moisture that uses solvent.2. ultraviolet lamp disinfection.Because of the use bulb can't tolerate the low temperature fragmentation, the method can't be used in freezer.3. ozonization.Ozone has corrosiveness to metal, and rubber, plastics are had the accelerated ageing effect, and the people is had certain toxicity, and the people must withdraw from a room during sterilization, just can enter the room when treating after the sterilization to can't smell the ozone smell in the room.4. air dynamic disinfector.Equipment adopts high-voltage dc pulse to make the plasma electrostatic field produce contrary electrical effect, generates a large amount of plasmas and decomposes also kill bacteria, purifies through assembly re-pasteurizations such as filter, static nets again, makes controlled environment reach " aseptic dustless " standard.It is to be tested that the problem of the method is that the cold tolerance of equipment has, and because of the air turnover rate in the freezer is low, Disinfection Effect will be given a discount.
After freezer was installed on aseptic car, the freezer sterilization faced new problem again: 1. for ensureing the heat insulation effect of freezer, for avoiding the temperature acute variation that air treatment system is impacted, it is unpractical that the air circulation system in the sterile workshop is extended as freezer simultaneously.2. for avoiding laying dust, in the aseptic area device structure details there is strict demand, can't in aseptic area, the active supply air system be installed to form the air circulation exchange in the freezer for freezer.3. lasting low temperature, high humidity, peculiar smell and the microorganism that produces of freezer causes easily that to the aseptic area air treatment system load increases and cause efficient and life-span reduction.
Membrane separation technique is utilized the separation and purification of the selection permeability realization of film to special component in the material system, have efficient, energy-saving and environmental protection, process simple, be easy to characteristic such as automation control, be widely used in water treatment, electronics, food, environmental protection, chemical industry, metallurgy, medicine, biology, the energy, oil, field such as bionical at present, and produced huge economic benefit and social benefit.
Summary of the invention
The objective of the invention is in order to solve the supporting freezer of freeze drying equipment, especially being installed in the freezer of sterile workshop environment for use the air quality difference and then influencing production environment and the problem of product quality, is a cover air filtering system of core design with the ultrafiltration membrane technique.
Concrete technical scheme of the present invention is:
The air filter of the supporting freezer of freeze drying equipment is made up of air draft passage, detachable charcoal absorption assembly, intensification assembly, hyperfiltration membrane assembly, cooling assembly, air supply duct and integral device disinfection apparatus in the sterile workshop.Fig. 1 is the schematic top plan view of this air filter mounting means, wherein 1. is freezer, 2. for filter; Fig. 2 is the side schematic view of this air filter mounting means, wherein 1. is freezer, 2. for filter.Fig. 3 is the structure chart of air filter.A is the device housings body among the figure, B is an air pump, and C is detachable charcoal absorption assembly, and D is the intensification assembly, E is a hyperfiltration membrane assembly, F is the cooling assembly, and G is a blast pump, and H is the filtrated air suction pump, V1 is the check valve of the air draft pipe that is connected with freezer, to be cleaning and sterilizing channel valve, V4 be the check valve of the air supply duct that is connected with freezer for V2, V3, and V5 is the ftercompction channel valve, and V6 is a toxic emission passage check valve.
Wherein A and the position, slit that 1. freezer contacts comprise locating hole, take out, the air supply duct through hole must use the expanded material sealing.
Wherein filler is the Powdered Activated Carbon of good seal among the C, can regularly replace, and C is equipped with the sealing breathable films as container and gas access way at two ends.
Wherein the heat transferring medium of D, F uses the refrigerant of freezer, and the heat transferring medium after the expansion flows into and is the air-flow intensification among the D, and it is the air-flow cooling that the heat transferring medium after the compression flows among the F.
Wherein using molecular cut off among the E is the milipore filter of 200～50KDal.
Wherein the air draft passage of V1 connection is evenly distributed on the bottom of 3 the storehouse plates of freezer except that door.
Wherein the air-supply passage of V2 connection is evenly distributed on storehouse, freezer top plate.
Wherein the ftercompction passage of V5 connection directly is connected into air in the sterile workshop.
Wherein the V6 discharging waste gas is directly into atmosphere.
After wherein enabling the cleaning and sterilizing passage, wash phase V2 is the liquid inlet, and V3 is a liquid outlet; Sterilisation stage V3 is the steam inlet, and V2 is a steam (vapor) outlet.
Above-mentioned assembly, pipeline, valve all use stainless steel material.
The present invention has following beneficial effect:
1. the air matter in this patent air filter, sustainable control freezer.
2. compare with the conventional air treatment technology, this programme is applied in the freezer, can not cause the enrichment of moisture and chemical substance to the freezer air, and operational efficiency height, expense are low.
Description of drawings
Fig. 1 represents the schematic top plan view of air filter mounting means of the present invention, wherein 1. is freezer, 2. for filter.
Fig. 2 represents the side sectional view of air filter mounting means of the present invention, wherein 1. is freezer, 2. for filter.
Fig. 3 represents the structure chart of air filter of the present invention.
The specific embodiment
Below in conjunction with embodiment the present invention is described further.
Embodiment 1:
Structure chart of the present invention as shown in Figure 3 is to do air cleaning and be treated to concrete case study on implementation being installed on the supporting freezer of freeze drying that is moving in 300,000 grades of aseptic factory buildings.Gas is by valve bleed-off passage that V1 is communicated with, and B sends into this air filter through aspiration pump.After at first crossing moisture, fine particles through charcoal absorption among the C, gas is warming up to more than 0 ℃ by D, after milipore filter separation among the E, the waste gas that contains microorganism and fine particles enters external environment through check valve V6, and pure air is cooled near after the freezer actual motion temperature by F, by air delivery pump G, get back to freezer through plenum duct that V4 is communicated with.In gas treating process, because of toxic emission is arranged, the air pressure in the freezer can descend.When pressure decline surpassed 5%, V5 and H started automatically, send into the filtrated air ftercompction.
After this air filter was handled, the controlled humidity in the freezer was built in below 45%, the dust particle number be 3,500,000/below the m3, the mould detected value is zero in the air.
Embodiment 2
Structure chart of the present invention as shown in Figure 3 is to do air cleaning and be treated to concrete case study on implementation being installed on the supporting freezer of freeze drying out of service in 300,000 grades of aseptic factory buildings.Gas is by valve bleed-off passage that V1 is communicated with, and B sends into this air filter through aspiration pump.After at first crossing moisture, fine particles through charcoal absorption among the C, gas is directly by D, after milipore filter separation among the E, the waste gas that contains microorganism and fine particles enters external environment through check valve V6, and pure air is directly passed through by F, by air delivery pump G, gets back to freezer through plenum duct that V4 is communicated with.In gas treating process, because of toxic emission is arranged, the air pressure in the freezer can descend.When pressure decline surpassed 5%, V5 and H started automatically, send into the filtrated air ftercompction.
After this air filter was handled, the controlled humidity in the freezer was built in below 65%, the dust particle number be 3,500,000/below the m3, the mould detected value is zero in the air.
Embodiment 3
Structure chart of the present invention as shown in Figure 3 is concrete case study on implementation equipment is carried out cleaning and sterilizing.Wash phase is introduced cleansing medium by valve V2, discharge through B, C, D, E, F, G, V3, in cleaning process V1, V4 according to circumstances intermittence open in short-term, V5, V6 close.Cleansing medium is sig water, alkene pickle or pure water.Till wash phase finally is neutrality with the residual water of pipeline.
After wash phase is finished, device is carried out moise-heat sterilization, introduces cleansing medium, discharge through G, F, E, D, C, B, V2 by valve V3, in disinfecting process V1, V4 according to circumstances intermittence open in short-term, V5, V6 open.
Claims (10)
- In the sterile workshop air filter of the supporting freezer of freeze drying equipment by device housings body A, air pump B, detachable charcoal absorption assembly C, intensification assembly D, hyperfiltration membrane assembly E, cooling assembly F, blast pump G, filtrated air suction pump H, the check valve V1 of the air draft pipe that is connected with freezer, cleaning and sterilizing channel valve V2, V3, the check valve V4 of the air supply duct that is connected with freezer, ftercompction channel valve V5, toxic emission passage check valve V6 forms.
- 2. according to the air filter of the supporting freezer of freeze drying equipment in the described sterile workshop of claim 1, it is characterized in that the position, slit that A contacts with freezer, comprise locating hole, take out, the air supply duct through hole must use the expanded material sealing.
- 3. according to the air filter of the supporting freezer of freeze drying equipment in the described sterile workshop of claim 1, it is characterized in that filler is the Powdered Activated Carbon of good seal among the C, can regularly replace, C is equipped with the sealing breathable films as container and gas access way at two ends.
- 4. according to the air filter of the supporting freezer of freeze drying equipment in the described sterile workshop of claim 1, the refrigerant that it is characterized in that the heat transferring medium use freezer of D, F, heat transferring medium after the expansion flows into and is the air-flow intensification among the D, and it is the air-flow cooling that the heat transferring medium after the compression flows among the F.
- 5. according to the air filter of the supporting freezer of freeze drying equipment in the described sterile workshop of claim 1, it is characterized in that using molecular cut off among the E is the milipore filter of 200～50KDal.
- 6. according to the air filter of the supporting freezer of freeze drying equipment in the described sterile workshop of claim 1, it is characterized in that the air draft passage of V1 connection is evenly distributed on the bottom of 3 the storehouse plates of freezer except that door.
- 7. according to the air filter of the supporting freezer of freeze drying equipment in the described sterile workshop of claim 1, it is characterized in that the air-supply passage that V2 connects is evenly distributed on storehouse, freezer top plate.
- 8. according to the air filter of the supporting freezer of freeze drying equipment in the described sterile workshop of claim 1, it is characterized in that the ftercompction passage that V5 connects directly is connected into air in the sterile workshop.
- 9. according to the air filter of the supporting freezer of freeze drying equipment in the described sterile workshop of claim 1, it is characterized in that the V6 discharging waste gas is directly into atmosphere.
- 10. according to the air filter of the supporting freezer of freeze drying equipment in the described sterile workshop of claim 1, it is characterized in that enabling the cleaning and sterilizing passage after, wash phase V2 is the liquid inlet, V3 is a liquid outlet; Sterilisation stage V3 is the steam inlet, and V2 is a steam (vapor) outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101546828A CN102278792A (en) | 2011-06-09 | 2011-06-09 | Air filtering device of refrigeration storage matched with freeze drying equipment in aseptic workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101546828A CN102278792A (en) | 2011-06-09 | 2011-06-09 | Air filtering device of refrigeration storage matched with freeze drying equipment in aseptic workshop |
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| CN102278792A true CN102278792A (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101546828A Pending CN102278792A (en) | 2011-06-09 | 2011-06-09 | Air filtering device of refrigeration storage matched with freeze drying equipment in aseptic workshop |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362527A (en) * | 2016-10-24 | 2017-02-01 | 广州达意隆包装机械股份有限公司 | Sterile gas filter system |
| CN114642928A (en) * | 2022-04-29 | 2022-06-21 | 南通市征荣冷冻设备制造有限公司 | Air filtering device of refrigeration house matched with freeze drying equipment in sterile workshop |
| CN115164491A (en) * | 2022-09-09 | 2022-10-11 | 江苏精英冷暖设备工程有限公司 | Can adjust cold air drying device of suction scope |
Citations (6)
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|---|---|---|---|---|
| CN1037389A (en) * | 1989-05-21 | 1989-11-22 | 汪玛瑞 | Cyclic bacterial remover for air |
| CN2362582Y (en) * | 1998-10-19 | 2000-02-09 | 杜群君 | Positive-filtering reverse-washing ultra-filter |
| EP1343202A1 (en) * | 2000-12-04 | 2003-09-10 | Ebara Corporation | Device, container, and method for transferring substrate |
| CN2755997Y (en) * | 2004-05-13 | 2006-02-08 | 王宇 | Constant temperature constant humidity freshness preserving device with sterilizing, deodorizing and purifying functions |
| JP2006284087A (en) * | 2005-03-31 | 2006-10-19 | Daikin Ind Ltd | Air cleaner |
| US20070169628A1 (en) * | 2004-03-31 | 2007-07-26 | Daikin Industries, Ltd. | Gas purifier |
-
2011
- 2011-06-09 CN CN2011101546828A patent/CN102278792A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1037389A (en) * | 1989-05-21 | 1989-11-22 | 汪玛瑞 | Cyclic bacterial remover for air |
| CN2362582Y (en) * | 1998-10-19 | 2000-02-09 | 杜群君 | Positive-filtering reverse-washing ultra-filter |
| EP1343202A1 (en) * | 2000-12-04 | 2003-09-10 | Ebara Corporation | Device, container, and method for transferring substrate |
| US20070169628A1 (en) * | 2004-03-31 | 2007-07-26 | Daikin Industries, Ltd. | Gas purifier |
| CN2755997Y (en) * | 2004-05-13 | 2006-02-08 | 王宇 | Constant temperature constant humidity freshness preserving device with sterilizing, deodorizing and purifying functions |
| JP2006284087A (en) * | 2005-03-31 | 2006-10-19 | Daikin Ind Ltd | Air cleaner |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362527A (en) * | 2016-10-24 | 2017-02-01 | 广州达意隆包装机械股份有限公司 | Sterile gas filter system |
| CN114642928A (en) * | 2022-04-29 | 2022-06-21 | 南通市征荣冷冻设备制造有限公司 | Air filtering device of refrigeration house matched with freeze drying equipment in sterile workshop |
| CN115164491A (en) * | 2022-09-09 | 2022-10-11 | 江苏精英冷暖设备工程有限公司 | Can adjust cold air drying device of suction scope |
| CN115164491B (en) * | 2022-09-09 | 2022-11-08 | 江苏精英冷暖设备工程有限公司 | Can adjust air conditioning drying device of suction scope |
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Application publication date: 20111214 |