CN211668117U - In-situ subdivision freeze-drying device for freeze dryer - Google Patents
In-situ subdivision freeze-drying device for freeze dryer Download PDFInfo
- Publication number
- CN211668117U CN211668117U CN202020128266.5U CN202020128266U CN211668117U CN 211668117 U CN211668117 U CN 211668117U CN 202020128266 U CN202020128266 U CN 202020128266U CN 211668117 U CN211668117 U CN 211668117U
- Authority
- CN
- China
- Prior art keywords
- freeze
- cold trap
- drying
- pipe
- oil
- 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.)
- Active
Links
Images
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses an in-situ subdivision freeze-drying device for freeze dryer belongs to vacuum freeze drying technical field. It includes freeze-drying box and cold trap, the inside of freeze-drying box forms the freeze-drying room through a plurality of thermostated plates, and the whole intercommunications of a plurality of freeze-drying rooms, the oil inlet has been seted up on a lateral wall of freeze-drying box, the oil inlet is linked together with the thermostated plate through the oil inlet pipeline, the oil-out has been seted up on another lateral wall of freeze-drying box. The utility model mainly embodies the separation of the freeze-drying chamber body and the round tubular cold trap, so that the temperature areas of the freeze-drying chamber body and the round tubular cold trap are completely separated, and the temperature between the freeze-drying chamber body and the round tubular cold trap is independently controlled without mutual interference when the whole device is operated; the spiral cold trap is replaced by the round tubular cold trap, so that the sectional area of the cold trap is increased, and the water capturing capacity of the cold trap is enhanced; on the thermostated plate of this device, the function that freezes in advance and sublime the function and realize in step.
Description
Technical Field
The utility model relates to a freeze-drying machine is with normal position subdivision freeze-drying device belongs to vacuum freeze-drying technical field.
Background
The existing freeze-drying device (as shown in fig. 1) mainly integrates a freeze-drying chamber and a cold trap chamber 2 into the same freeze-drying box body 1, namely, the upper part of the freeze-drying box body 1 is the freeze-drying chamber, the inside of the freeze-drying chamber is provided with a thermostatic plate 3, the thermostatic plate 3 is respectively communicated with an oil inlet pipeline and an oil outlet pipeline, the lower part of the freeze-drying box body is the cold trap chamber 2, the cold trap chamber 2 is in a spiral shape, and the freeze-drying chamber and the cold trap chamber 2 are communicated through pipelines, so that the freeze-drying device has the following defects:
1. the freeze-drying device adopts a spiral cold trap, so that the cold trap has low water-catching capacity;
2. the spiral cold trap in the freeze-drying device is close to the bottommost constant temperature plate in the freeze-drying chamber, so that the heat conduction effect between the cold trap and the partition plate in the freeze-drying chamber is obvious, namely the cold trap and the freeze-drying chamber can interfere with each other when the whole device is operated;
3. when the freeze-drying device is operated, the freeze-drying device firstly needs to be pre-frozen through an external refrigeration appliance (such as a refrigerator) and then placed in the freeze-drying device for sublimation, so that the whole freeze-drying time is increased, and the freeze-drying efficiency is reduced.
Disclosure of Invention
In view of the technical problems in the background art, an in-situ compartment freeze-drying device for a freeze dryer is provided.
The utility model discloses the technical problem that will solve takes following technical scheme to realize:
an in-situ compartment freeze-drying device for a freeze dryer comprises a freeze-drying box body and a cold trap, wherein the interior of the freeze-drying box body is divided into a plurality of freeze-drying chambers by a plurality of thermostatic plates, the freeze drying chambers are all communicated, one side wall of the freeze drying box body is provided with an oil inlet, the oil inlet is communicated with the constant temperature plate through an oil inlet pipeline, an oil outlet is arranged on the other side wall of the freeze-drying box body, the other end of the thermostatic plate is communicated with the oil outlet through an oil outlet pipeline, the oil outlet is communicated with the oil inlet through a circulating mechanism, the cold trap is positioned outside the freeze-drying box body, the side wall of the freeze-drying box body is also communicated with a gas transmission corrugated pipe, the other end of the gas transmission corrugated pipe is communicated with one end of the cold trap, the cold trap is in a circular tube shape, copper tubes and heating wires are sleeved on the cold trap respectively, and the copper tubes and the heating wires are sleeved on the cold trap in a staggered mode.
As a preferable example, the circulating mechanism comprises a circulating pump and two branch pipes, wherein one end of one branch pipe is communicated with the oil outlet, the other end of the branch pipe is communicated with the input end of the circulating pump, one end of the other branch pipe is communicated with the output end of the circulating pump, the other end of the other branch pipe is communicated with a three-way pipe, and the three-way pipe is communicated with the oil inlet.
As a preferred example, and the copper tube and the heating wire are close to but not in contact on the cold trap.
The utility model has the advantages as follows:
1. the freeze-drying chamber body is separated from the round tubular cold trap, so that the temperature regions of the freeze-drying chamber body and the round tubular cold trap are completely separated, and the freeze-drying chamber body and the round tubular cold trap are independently controlled in temperature and are not interfered with each other when the whole device is operated;
2. the spiral cold trap is replaced by the round tubular cold trap, so that the sectional area of the cold trap is increased, and the water capturing capacity of the cold trap is enhanced;
3. on the thermostated plate of this device, prefreeze and sublime the function and realize in step.
Drawings
FIG. 1 is a schematic diagram of a prior art lyophilization apparatus;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of a thermostatic plate of the present invention;
fig. 4 is a schematic diagram of the position of the hollow square bar inside the lower bottom plate according to the present invention.
In the figure: the freeze-drying device comprises a freeze-drying box body 1, a cold trap chamber 2, a thermostatic plate 3, an oil inlet 4, an input pipe 5, an input branch pipe 6, an output branch pipe 7, an output pipe 8, an oil outlet 9, a gas transmission corrugated pipe 10, a copper pipe 11, a heating wire 12, a lower bottom plate 13, an upper bottom plate 14, an oil inlet pipe 15, square bars 16, an opening 17, an oil outlet pipe 18 and a cold trap 19.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.
As shown in fig. 1-4, an in-situ compartment freeze-drying device for a freeze-drying machine comprises a freeze-drying box body 1 and a cold trap 19, wherein the interior of the freeze-drying box body 1 is divided into a plurality of freeze-drying chambers by a plurality of thermostatic plates 3, the freeze-drying chambers are all communicated, one side wall of the freeze-drying box body 1 is provided with an oil inlet 4, the oil inlet 4 is communicated with the thermostatic plates 3 through an oil inlet pipeline, the other side wall of the freeze-drying box body 1 is provided with an oil outlet 9, the other end of the thermostatic plates 3 is communicated with the oil outlet 9 through an oil outlet pipeline, the oil outlet 9 is communicated with the oil inlet 4 through a circulating mechanism, the cold trap 19 is positioned outside the freeze-drying box body 1, the side wall of the freeze-drying box body 1 is also communicated with an air, and the copper pipes 11 and the heating wires 12 are sleeved on the cold trap 19 in a staggered manner.
The circulating mechanism comprises a circulating pump and two branch pipes, wherein one end of one branch pipe is communicated with the oil outlet 9, the other end of the branch pipe is communicated with the input end of the circulating pump, one end of the other branch pipe is communicated with the output end of the circulating pump, the other end of the other branch pipe is communicated with a three-way pipe, and the three-way pipe is communicated with the oil inlet 4.
The copper tube 11 and the heating wire 12 are close to but not in contact on the cold trap 19.
The oil inlet pipeline, the oil outlet pipeline and the thermostatic plate 3 mentioned in the device have the same structure as the oil inlet pipeline, the oil outlet pipeline and the thermostatic plate 3 mentioned in the background art, and the oil inlet pipeline, the oil outlet pipeline and the thermostatic plate 3 on the device are taken as an example for introduction:
the oil inlet pipeline comprises an input pipe 5 and input branch pipes 6, the input pipe 5 is communicated with an oil inlet 4 on the freeze-drying box body, the input pipe 5 and the input branch pipes 6 are both positioned in the freeze-drying box body, the number of the input branch pipes 6 is multiple, one end of each input branch pipe 6 is communicated with the input pipe 5, and one end of each input branch pipe 6 is communicated with one end of each thermostatic plate 3.
The oil outlet pipeline comprises an output pipe 8 and an output branch pipe 7, the output pipe 8 and the output branch pipe 7 are also located inside the freeze-drying box body, the number of the output branch pipes 7 is multiple, one end of each output branch pipe 7 is communicated with one end of each thermostatic plate 3, the other end of each output branch pipe is communicated with the output pipe 8, and the output pipe is communicated with an oil outlet 9 on the freeze-drying box body.
The other end of each thermostatic plate 3 is respectively communicated with a plurality of output branch pipes 7, one ends of the output branch pipes 7 are jointly communicated with an output pipe 8, an oil outlet 9 is formed in the other side wall of the freeze-drying chamber body 1, and one end of the output pipe 8 is communicated with the oil outlet 9.
The thermostatic plate 3 comprises a lower base plate 13 and an upper base plate 14 matched with the lower base plate 13, an oil inlet pipe 15 is communicated with one side wall of the lower base plate 13, an oil outlet pipe 18 is communicated with the other side wall of the lower base plate 13, the oil inlet pipe 15 and the oil outlet pipe 18 are symmetrically arranged on the lower base plate 13, a plurality of hollow square strips 16 parallel to each other are fully welded at the bottom of the lower base plate 13, the hollow square strips 16 are sequentially and uniformly arranged on the lower base plate 13 in a staggered manner, the upper base plate 14 is welded with the lower base plate 13 and is connected with the hollow square strips 16 in a spot welding manner, a cavity is arranged inside each hollow square strip 16, openings 17 are respectively formed at two ends of each hollow square strip 16, and the cavity inside each hollow square strip 16 is communicated with the inside of the lower base plate 13 through the openings 17 at two ends of each hollow square.
The lower plate 13 is internally formed with a serpentine channel by a plurality of hollow square bars 16.
The opening 17 in each hollow square bar 16 is an oblique opening.
A plurality of cavity square bars 16 divide into two sets ofly on lower plate 13, and wherein a set of cavity square bar 16 quantity is two, and another a set of cavity square bar 16 quantity is three, and the cavity square bar 16 that quantity is two is staggered arrangement with the cavity square bar 16 that quantity is three on lower plate 13, and the cavity square bar 16 one end that quantity is two is respectively with lower plate 13 one end fixed connection, and the cavity square bar 16 that quantity is three is respectively with lower plate 13 other end fixed connection.
The inclined direction of the inclined openings 17 on the two hollow square bars 16 is opposite to the inclined direction of the inclined openings 17 on the three hollow square bars 16.
The whole device is made of stainless steel materials, and preferably 304 stainless steel materials.
In the inside of the whole device, namely the region surrounded by the upper base plate 14 and the lower base plate 13 during welding, welding spots of the hollow square strips 16 and the lower base plate 13 are cleaned and polished before the upper base plate 14 is welded, then the upper base plate 14 and the lower base plate 13 are fully welded, and the whole constant temperature plate is vacuumized for two hours before flowing liquid is injected, so that no other impurities exist.
One end of the cold trap 19 is also communicated with a water outlet pipe, and a valve is arranged on the water outlet pipe.
The purpose of using this thermostatic plate 3 is: on the one hand, the bottom of the hollow square strip 16 is fixed with the lower bottom plate 13 in a full-welding mode, so that no gap is reserved between the bottom of the hollow square strip 16 and the lower bottom plate 13 when the hollow square strip is in contact with the lower bottom plate 13, the situation that the fluid overflows cannot exist through the serpentine channel, and on the other hand, the fluid flows through the inner channel and the outer channel on the lower bottom plate 13, so that the temperature error of the fluid in the serpentine channel and the temperature error of the fluid in the hollow square strip 16 are reduced.
The working principle is as follows:
firstly, silicone oil enters an input pipe 5 inside a freeze-drying box body 1 through one port and an oil inlet 4 on a three-way pipe, then enters a plurality of input branch pipes 6 through the input pipe 5, then enters each thermostatic plate 3 through each input branch pipe 6, enters the thermostatic plate 3, firstly, the silicone oil enters the inside of a lower bottom plate 13 from an oil inlet pipe 15, the silicone oil is divided into two paths of channels inside the lower bottom plate 13, one path of channel is that fluid flows according to a snake-shaped large channel, namely an outer channel, set by a hollow square strip 16 after entering from the oil inlet pipe 15, meanwhile, part of liquid flows from the cavity of the hollow square strip 16, namely an inner channel, the two paths of fluid flow repeatedly in sequence, finally flows out from an opening 17 of the hollow square strip 16 close to a liquid outlet pipe 18, and finally flows out from the lower bottom plate 13 through the liquid outlet pipe 18 on the lower bottom plate 13, so that the uneven temperature brought by welding the hollow square strip 16 to the whole thermostatic plate, the aim that the temperature of any point of the whole thermostatic plate 3 is uniform is fulfilled, and the silicon oil flows into the freezing chamber body 1 again through the other branch pipe and the three-way pipe under the power of the circulating pump, so that the cyclic utilization of the silicon oil is realized;
II, gas generated in the step I enters the cold trap 19 through the gas transmission corrugated pipe 10 communicated with the freeze-drying box body 1 and the cold trap 19, and the temperature of the gas coming out of the freeze-drying box body 1 is high, so that the copper pipe 11 positioned on the cold trap 19 is used for cooling, the gas forms ice blocks, when the number of the ice blocks is too large, the cold trap 19 is heated by the heating wire 12, the ice blocks in the cold trap 19 form water drops, then the valve on the water outlet pipe is opened, and the water drops formed in the cold trap 19 can flow out of the cold trap 19 through the water outlet pipe.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides an in situ subdivision freeze-drying device for freeze-drying machine, includes freeze-drying box and cold trap, freeze-drying box's inside becomes the freeze-drying room through a plurality of thermostated plates, and the whole intercommunications of a plurality of freeze-drying rooms, the oil inlet has been seted up on the lateral wall of freeze-drying box, the oil inlet is linked together with the thermostated plate through going into the oil pipe way, the oil-out has been seted up on another lateral wall of freeze-drying box, the thermostated plate other end is linked together through going out the oil pipe way and oil-out, the oil-out is linked together its characterized: the cold trap is located the outside of freeze-drying box, still the intercommunication has gas transmission bellows on the freeze-drying box lateral wall, the gas transmission bellows other end is linked together with cold trap one end, the cold trap shape is the pipe form, the winding has copper pipe and heater strip respectively on the cold trap, just copper pipe and heater strip cup joint on the cold trap crisscross each other.
2. The in-situ compartmentalized freeze-drying apparatus of claim 1, wherein: the circulating mechanism comprises a circulating pump and two branch pipes, wherein one end of one branch pipe is communicated with the oil outlet, the other end of the branch pipe is communicated with the input end of the circulating pump, one end of the other branch pipe is communicated with the output end of the circulating pump, the other end of the other branch pipe is communicated with a three-way pipe, and the three-way pipe is communicated with the oil inlet.
3. The in-situ compartmentalized freeze-drying apparatus of claim 1, wherein: the copper tube and the heating wire are close to but not in contact with each other on the cold trap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020128266.5U CN211668117U (en) | 2020-01-20 | 2020-01-20 | In-situ subdivision freeze-drying device for freeze dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020128266.5U CN211668117U (en) | 2020-01-20 | 2020-01-20 | In-situ subdivision freeze-drying device for freeze dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211668117U true CN211668117U (en) | 2020-10-13 |
Family
ID=72739984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020128266.5U Active CN211668117U (en) | 2020-01-20 | 2020-01-20 | In-situ subdivision freeze-drying device for freeze dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211668117U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611166A (en) * | 2020-12-09 | 2021-04-06 | 赤水市信天中药产业开发有限公司 | Freeze-drying device and method for preparing dendrobium nobile (dendrobium nobile) decoction pieces |
| CN114719575A (en) * | 2022-04-15 | 2022-07-08 | 浙江同景冻干科技有限公司 | Contact heat transfer type freeze-drying equipment |
-
2020
- 2020-01-20 CN CN202020128266.5U patent/CN211668117U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611166A (en) * | 2020-12-09 | 2021-04-06 | 赤水市信天中药产业开发有限公司 | Freeze-drying device and method for preparing dendrobium nobile (dendrobium nobile) decoction pieces |
| CN114719575A (en) * | 2022-04-15 | 2022-07-08 | 浙江同景冻干科技有限公司 | Contact heat transfer type freeze-drying equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211668117U (en) | In-situ subdivision freeze-drying device for freeze dryer | |
| CN211120739U (en) | Structure of heat exchange dewatering of compressed gas freezing dryer | |
| CN105241134A (en) | Gas-liquid separator, air conditioner system and running method of air conditioner system | |
| CN103206811B (en) | Parallel-flow heat exchanger and air-conditioner | |
| CN210399716U (en) | Freezing type drying machine | |
| CN211177647U (en) | Novel freeze dryer | |
| CN107270573A (en) | Air-conditioning system | |
| US2481512A (en) | Evaporator structure | |
| CN103234271B (en) | Dual system Freon path dividing heat pump water heater | |
| CN108168221B (en) | Vacuum freeze drying device and method for vacuum freeze drying material | |
| CN216482446U (en) | Energy storage device and heating or/and cooling system with same | |
| KR101887881B1 (en) | ice making device | |
| CN108826479A (en) | The air-cooler of fin flat tube integral structure | |
| CN205868224U (en) | Response device heating and cooling automatic control device | |
| CN108709338A (en) | The top row pipe evaporator of automatic brush frost | |
| CN211261490U (en) | Cold trap of household freeze dryer | |
| RU196683U1 (en) | THERMOELECTRIC GAS DRYER | |
| CN201145497Y (en) | Tail gas heat exchanger of liquid nitrogen auxiliary refrigeration freezing device | |
| CN208332873U (en) | A kind of freeze dryer cold-trap | |
| CN208735753U (en) | The air-cooler of fin flat tube integral structure | |
| CN203772071U (en) | Spiral tube type heat exchanger | |
| CN208475744U (en) | A kind of refrigerator micro-channel evaporator | |
| CN211695819U (en) | Thermostatic plate for fluid heat transfer | |
| CN210638376U (en) | Baffle plate freezing bin of in-situ freeze dryer | |
| CN105987542A (en) | Heat exchanger unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |