CN104848656A - Vacuum freeze drying device - Google Patents
Vacuum freeze drying device Download PDFInfo
- Publication number
- CN104848656A CN104848656A CN201510180016.XA CN201510180016A CN104848656A CN 104848656 A CN104848656 A CN 104848656A CN 201510180016 A CN201510180016 A CN 201510180016A CN 104848656 A CN104848656 A CN 104848656A
- Authority
- CN
- China
- Prior art keywords
- water catching
- water
- drying device
- catching bin
- bin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a vacuum freeze drying device which comprises a freeze-drying bin, a water catching bin and a refrigerating device arranged outside the water catching bin. The freeze-drying bin is communicated with the water catching bin through a connecting hole formed in the side wall of the water catching bin, and the joint is sealed. The refrigerating device comprises an electric cooling plate, a water cooling plate and a heat insulation layer. The vacuum freeze drying device has the advantages that a semiconductor electric cooling piece and a water cooling piece are combined for creating the low-temperature conditions of the water catching bin, the temperature difference of the two sides of the electric cooling piece can reach 60-70 DEG C, in addition, due to the use of circulating cooling water, the temperature of the water catching bin can be reduced to be lower than minus 40 DEG C, the requirement for freezing drying of most materials can be met, and the vacuum freeze drying device is convenient to use, practical and capable of saving cost and improving efficiency.
Description
Technical field
The present invention relates to vacuum refrigeration field, specifically a kind of vacuum freezing drying device.
Background technology
Vacuum freezing drying device has purposes widely in laboratory.But existing vacuum freeze drier cost is too high, fragile, buy maintenance cost high.
Vacuum freeze drying is frozen into solid-state at lower temperature (-10 DEG C ~-50 DEG C) by wet stock or solution, then under vacuum (1.3 ~ 13 handkerchief), makes moisture wherein be directly sublimed into gaseous state without liquid state, finally make the dry technology of material dewatering.The core of this technology has 2 points, and one is the sublimation condition that can airtight vacuum degree reach moisture, and can two be the cryogenic conditions that reach the common freezing point of material.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of vacuum freezing drying device, this device can the conventional vacuum oil pump in Binding experiment room or vacuum pump using circulatory water use, vacuum freeze drying can be carried out, easy care with low cost to needing dry test material or solution.
The present invention for solving the problems of the technologies described above adopted technical scheme is: a kind of vacuum freezing drying device, comprise dry storehouse, water catching bin and the refrigeration plant be arranged on outside water catching bin, dry storehouse to be connected with water catching bin by connection hole that water catching bin sidewall is arranged and to make junction be seal to arrange, described refrigeration plant comprises electric cold drawing, cooled plate and heat-insulation layer, the chill surface of electricity cold drawing is close to water catching bin warehouse arranged outside, the outside of electricity cold drawing heats face, heat face and cooled plate to fit and arrange, cooled plate outer layer ring is provided with heat-insulation layer around water catching bin warehouse, between water catching bin warehouse and electric cold drawing, between electricity cold drawing and cooled plate, space between cooled plate and heat-insulation layer is filled by heat-conducting silicone grease.
Dry storehouse of the present invention face is provided with sealing door, and sealing door is provided with grip handle lock and glass vision panel.
Dry storehouse of the present invention is also provided with vacuum table, temperature control panel and vent valve.
Be provided with the valvular aspirating hole of band above water catching bin of the present invention, below is provided with the valvular dewatering orifice of band.
The temperature probe for measuring temperature in storehouse is provided with in water catching bin of the present invention.
Cold of the semi-conductor electricity that electric cold drawing of the present invention is DC12V by some power supply requirements is in series, and the rated voltage after series connection meets the voltage after the direct rectifying and wave-filtering of AC220V power supply.
Cooled plate of the present invention is in series by some water-cooled sheets and one end of cooled plate is provided with the oral siphon connecting water tap, and the other end is provided with outlet pipe, and the flow circuit water-band in cooled plate walks the cooling of heat realization to electric cold drawing.
Water catching bin warehouse of the present invention is made up of fine copper.
Heat-insulation layer of the present invention is filled by high density polyurethane blowing agent.
The invention has the beneficial effects as follows: vacuum freezing drying device of the present invention adopts cold of semi-conductor electricity and water-cooled sheet to combine the cryogenic conditions creating water catching bin, electricity cold temperature difference can reach 60-70 DEG C, add the use of recirculated cooling water, water catching bin temperature can be made to be down to less than-40 DEG C, needed for the freeze drying that can meet most material, convenient and practical, cost-saving, raise the efficiency.
One, the refrigeration of this vacuum freezing drying device is realized by the acting in conjunction of cold of electricity and water-cooled sheet, eliminates the use of compressor, extend service life, reduce maintenance cost; Two, this vacuum freeze drier is not equipped with vacuum air pump, and the vacuum oil pump in laboratory or vacuum pump using circulatory water can be used to vacuumize, simple and convenient, greatly reduces the cost of this vacuum freeze drier; Three, the present invention chooses cold of the electricity series connection mutually of specific quantity, and the voltage after making the rated voltage after connecting just meet the direct rectifying and wave-filtering of AC220V power supply, avoids the use of potential device, reduce weight and the cost of equipment; Four, adopt water-cooled sheet mutually to connect, connecting tap in use, passes into the heat outside recirculated water band leakage of electricity cold drawing, can protect cold of electricity, improves refrigerating efficiency, ensures required freezing low temperature; Five, water catching bin adopts fine copper warehouse, and can improve heat transference efficiency, outermost layer has heat-insulation layer, guarantees low temperature in storehouse, economize energy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is water catching bin generalized section of the present invention;
Mark in figure: 1, dry storehouse, 2, vacuum table, 3, temperature control panel, 4, grip handle lock, 5, vent valve, 6, sealing door, 7, glass vision panel, 8, water catching bin, 9, aspirating hole, 10, temperature probe, 11, electric cold drawing, 12, cooled plate, 13, heat-insulation layer, 14, connect hole, 15, dewatering orifice, 16, oral siphon, 17, outlet pipe.
Detailed description of the invention
As shown in the figure, a kind of vacuum freezing drying device, comprise dry storehouse 1, water catching bin 8 and the refrigeration plant be arranged on outside water catching bin 8, dry storehouse 1 to be connected with water catching bin 8 by connection hole 14 that water catching bin 8 sidewall is arranged and to make junction be seal to arrange, described refrigeration plant comprises electric cold drawing 11, cooled plate 12 and heat-insulation layer 13, the chill surface of electricity cold drawing 11 is close to water catching bin 8 warehouse arranged outside, the outside of electricity cold drawing 11 heats face, heat face and cooled plate 12 to fit and arrange, cooled plate 12 outer layer ring is provided with heat-insulation layer 13 around water catching bin 8 warehouse, between water catching bin 8 warehouse and electric cold drawing 11, between electricity cold drawing 11 and cooled plate 12, space between cooled plate 12 and heat-insulation layer 13 is filled by heat-conducting silicone grease.
Dry storehouse 1 one faces are provided with sealing door 6, and sealing door 6 is provided with grip handle lock 4 and glass vision panel 7.
Dry storehouse 1 is also provided with vacuum table 2, temperature control panel 3 and vent valve 5.
Be provided with the valvular aspirating hole 9 of band above water catching bin 8, below is provided with the valvular dewatering orifice 15 of band.
The temperature probe 10 for measuring temperature in storehouse is provided with in water catching bin 8.
Cold of the semi-conductor electricity that electricity cold drawing 11 is DC12V by some power supply requirements is in series, and the rated voltage after series connection meets the voltage after the direct rectifying and wave-filtering of AC220V power supply.
Cooled plate 12 is in series by some water-cooled sheets and one end of cooled plate 12 is provided with the oral siphon 16 connecting water tap, and the other end is provided with outlet pipe 17, and the flow circuit water-band in cooled plate 12 walks the cooling of heat realization to electric cold drawing 11.
Water catching bin 8 warehouse is made up of fine copper.
Heat-insulation layer 13 is filled by high density polyurethane blowing agent.
Freeze drying plant of the present invention comprises two spaces be connected, and namely connect hole 14 by one between dry storehouse 1 and water catching bin 8, two storehouse and be connected, the connecting portion connected beyond hole 14 all carries out seamless welding, sealed air-tight.Dry storehouse 1 is sealed by sealing door 6 with extraneous and be communicated with, and can realize warehouse sealing demand as closed sealing door 6.Water catching bin about 8 respectively has a tubule to lead to outside, and be the aspirating hole 9 of upper end and the dewatering orifice 15 of lower end respectively, holes all has Valve controlling.Close sealing door 6 and dewatering orifice 15 during use, aspirating hole 9 is connected to air exhauster, can vacuumizes two warehouses.
Be close to outside water catching bin 8 and electric cold drawing 11 is set, be close to outside electricity cold drawing 11 and arrange cooled plate 12, the heat in water catching bin 8 outwards can be shifted when electric cold drawing 11 is energized, outside can generate heat, these heats are taken away by the recirculated cooling water in cooled plate 12, to ensure the normal work of electric cold drawing 11.Outer Packed heat-insulation layer 13 shell of cooled plate 12, the space between heat-insulation layer 13 shell and water catching bin 8 is full of insulation material heat-conducting silicone grease.
The vacuum exhaust pipe of extraneous air exhauster in use, is first connected to aspirating hole 9 by the present invention, guarantees well airtight, then vent valve 5 and dewatering orifice 15 is closed, open recirculated cooling water, set water catching bin 8 chilling temperature by temperature control panel 3, open electric cold drawing 11 power supply and carry out freezing.When arriving preset temperature Deng water catching bin 8 temperature, the experiment material through pre-freeze is put into dry storehouse 1, close sealing door 6, open air exhauster and bleed.Along with pressure in storehouse reduces, the water sublimed in experiment material is accelerated, and this process lasts terminates to freeze-drying.At the end of, first open vent valve 5 balance bunker external and internal pressure, after pressure reduces, close air exhauster, the experiment material opened after door taking-up freeze-drying is properly preserved.Circulating cooling water valve is shut again after closing electric cold drawing 11 power switch.Finally open dewatering orifice 15, allow the ice of water catching bin 8 li all naturally melt outflow.
Claims (9)
1. a vacuum freezing drying device, it is characterized in that: comprise dry storehouse (1), water catching bin (8) and the refrigeration plant be arranged on outside water catching bin (8), dry storehouse (1) to be connected with water catching bin (8) by connection hole (14) that water catching bin (8) sidewall is arranged and to make junction be seal to arrange, described refrigeration plant comprises electric cold drawing (11), cooled plate (12) and heat-insulation layer (13), the chill surface of electricity cold drawing (11) is close to water catching bin (8) warehouse arranged outside, the outside of electricity cold drawing (11) heats face, heat face and cooled plate (12) to fit and arrange, cooled plate (12) outer layer ring is provided with heat-insulation layer (13) around water catching bin (8) warehouse, between the warehouse of water catching bin (8) and electric cold drawing (11), between electricity cold drawing (11) and cooled plate (12), space between cooled plate (12) and heat-insulation layer (13) is filled by heat-conducting silicone grease.
2. a kind of vacuum freezing drying device according to claim 1, is characterized in that: described dry storehouse (1) face is provided with sealing door (6), and sealing door (6) is provided with grip handle lock (4) and glass vision panel (7).
3. a kind of vacuum freezing drying device according to claim 1, is characterized in that: described dry storehouse (1) is also provided with vacuum table (2), temperature control panel (3) and vent valve (5).
4. a kind of vacuum freezing drying device according to claim 1, is characterized in that: described water catching bin (8) top is provided with the valvular aspirating hole of band (9), and below is provided with the valvular dewatering orifice of band (15).
5. a kind of vacuum freezing drying device according to claim 1, is characterized in that: be provided with the temperature probe (10) for measuring temperature in storehouse in described water catching bin (8).
6. a kind of vacuum freezing drying device according to claim 1, it is characterized in that: cold of the semi-conductor electricity that described electric cold drawing (11) is DC12V by some power supply requirements is in series, and the rated voltage after series connection meets the voltage after the direct rectifying and wave-filtering of AC220V power supply.
7. a kind of vacuum freezing drying device according to claim 1, it is characterized in that: described cooled plate (12) is in series by some water-cooled sheets and one end of cooled plate (12) is provided with the oral siphon (16) connecting water tap, the other end is provided with outlet pipe (17), and the flow circuit water-band in cooled plate (12) walks the cooling of heat realization to electric cold drawing (11).
8. a kind of vacuum freezing drying device according to claim 1, is characterized in that: described water catching bin (8) warehouse is made up of fine copper.
9. a kind of vacuum freezing drying device according to claim 1, is characterized in that: described heat-insulation layer (13) is filled by high density polyurethane blowing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510180016.XA CN104848656A (en) | 2015-04-16 | 2015-04-16 | Vacuum freeze drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510180016.XA CN104848656A (en) | 2015-04-16 | 2015-04-16 | Vacuum freeze drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104848656A true CN104848656A (en) | 2015-08-19 |
Family
ID=53848491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510180016.XA Pending CN104848656A (en) | 2015-04-16 | 2015-04-16 | Vacuum freeze drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104848656A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059429A (en) * | 2018-09-15 | 2018-12-21 | 乔燕春 | A kind of semiconductor temperature-control micro vacuum freeze drier |
| CN113865276A (en) * | 2021-10-08 | 2021-12-31 | 北京理工大学珠海学院 | Keratinocyte growth factor drying device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052512U (en) * | 1989-07-13 | 1990-02-07 | 肖善 | Microsemiconductor freezer |
| CN2352909Y (en) * | 1998-08-28 | 1999-12-08 | 张祯儒 | Freezing type drying machine |
| CN201772701U (en) * | 2010-06-24 | 2011-03-23 | 王立华 | Square bin in-situ vacuum freeze dryer |
-
2015
- 2015-04-16 CN CN201510180016.XA patent/CN104848656A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052512U (en) * | 1989-07-13 | 1990-02-07 | 肖善 | Microsemiconductor freezer |
| CN2352909Y (en) * | 1998-08-28 | 1999-12-08 | 张祯儒 | Freezing type drying machine |
| CN201772701U (en) * | 2010-06-24 | 2011-03-23 | 王立华 | Square bin in-situ vacuum freeze dryer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059429A (en) * | 2018-09-15 | 2018-12-21 | 乔燕春 | A kind of semiconductor temperature-control micro vacuum freeze drier |
| CN113865276A (en) * | 2021-10-08 | 2021-12-31 | 北京理工大学珠海学院 | Keratinocyte growth factor drying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207716705U (en) | A kind of combined refrigerator with ice making, ice cream processed, freezing and refrigeration function | |
| CN201877477U (en) | Integral type thermostatic cabinet for storage battery | |
| CN101936642B (en) | Semiconductor refrigeration vacuum freezing dryer capable of realizing energy recovery | |
| CN108826859B (en) | Alkali-free medlar dryer | |
| CN103983013A (en) | Novel frostless air source heat pump water heater | |
| CN105865143B (en) | Vacuum precooling preservation system and application method thereof | |
| CN104848656A (en) | Vacuum freeze drying device | |
| CN204433425U (en) | A kind of fruit freshness preserving freight container | |
| CN204630219U (en) | A kind of two cold source type fruit and vegetable refrigerating storehouse | |
| CN206073576U (en) | Vacuum liquid nitrogen freezing drying device based on water-cooled semiconductor refrigerating | |
| CN206817842U (en) | A kind of reach in freezer for being configured with satellite dehydrating unit | |
| CN205878767U (en) | Domestic fungus freeze drying system | |
| CN207262785U (en) | A kind of vegetable cold storing equipment | |
| CN206593363U (en) | A kind of cold-storage fresh-keeping warehouse | |
| CN205536783U (en) | Preservation by low temperature storing device | |
| CN108105843A (en) | A kind of liquid heat storage cold-storage all-in-one machine | |
| CN207815479U (en) | A kind of liquid heat storage cold-storage all-in-one machine | |
| CN208901751U (en) | A kind of freeze-drying apparatus | |
| CN207262775U (en) | A kind of energy saving defrosting system of air source heat pump | |
| CN205708215U (en) | Refrigerant tank | |
| CN205784109U (en) | A kind of fast-refrigerating refrigerator | |
| CN104654497A (en) | Device for treating heat and damp in enclosed space | |
| CN209459309U (en) | A kind of vacuum freeze drier | |
| CN108955099A (en) | A kind of freeze-drying apparatus and method | |
| CN204346200U (en) | Ambient temperature is utilized winter to carry out the technical cooling water system of saving energy and reduce the cost |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150819 |
|
| RJ01 | Rejection of invention patent application after publication |