CN108775775A - A kind of freeze dryer cold-trap - Google Patents
A kind of freeze dryer cold-trap Download PDFInfo
- Publication number
- CN108775775A CN108775775A CN201810638946.9A CN201810638946A CN108775775A CN 108775775 A CN108775775 A CN 108775775A CN 201810638946 A CN201810638946 A CN 201810638946A CN 108775775 A CN108775775 A CN 108775775A
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- Prior art keywords
- freeze dryer
- coiled pipe
- shell
- wall
- pipe
- Prior art date
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Links
- 238000004108 freeze drying Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 238000005057 refrigeration Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 241000270295 Serpentes Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 235000015110 jellies Nutrition 0.000 description 2
- 239000008274 jelly Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 238000005092 sublimation method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
- F26B5/06—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum the process involving freezing
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention relates to a kind of freeze dryer cold-traps comprising shell and the coil pipe in shell；Shell includes head cover, bottom cover and arcuation side wall, and arcuation side wall is bonded the outer wall of body of freeze dryer, and is enclosed airtight cavity with head cover and bottom cover, and the outer wall of body of freeze dryer is equipped with the air inlet of connection body of freeze dryer and shell；Coil pipe includes at least two layers of coiled pipe of the longitudinally spaced setting along shell, and the length of straigh line of each coiled pipe is adapted with the inner wall of shell.The freeze dryer cold-trap can effectively improve the uniformity of the coil pipe entirety ice fishing of freeze dryer cold-trap, and the ice fishing amount and ice fishing efficiency of the freeze dryer cold-trap are improved in the case where not increasing whole floor space.
Description
Technical field
The present invention relates to vacuum freeze technical fields, and in particular to a kind of freeze dryer cold-trap.
Background technology
Freeze dryer cold-trap is another vacuum tank in freeze dryer, contains several groups coil pipe in this container, is mainly used to
Coil pipe is in lower temperature and is used to absorb the steam for distilling out in product in freeze-drying process, the water for distilling out from product
Steam condenses on coil pipe to the cold, plays the function of " water lock ".
Freeze dryer cold-trap includes shell and the coil pipe in shell, as shown in Figure 1, shell in the prior art 01 is long
Cube structure, internal coil 02 are serpentine configuration, and a coil pipe 02 of foremost has sheltered from multigroup coil pipe 02 thereafter completely,
So may result in the steam to come from babinet in the sublimation process of freeze-drying first can condense on first group of coil pipe, be followed by
Condensation number is on the low side, cause the whole ice fishing of coil pipe 02 uneven in addition first group of coil pipe 02 to coagulate ice amount excessive, cause ice stifled to lead
The ice fishing efficiency and ice fishing amount of refrigeration trap.And the size of each group coil pipe 02 is consistent and being horizontally arranged at interval along shell 01, if
The ice fishing amount for wanting to improve the freeze dryer cold-trap, there are two types of methods to increase accounting for for shell 01 one is more coil pipes 02 are arranged
Ground area, or increase the length of coil pipe 02 by increasing the height of shell 01 to improve ice fishing amount, but the length of coil pipe 02
Longer, ice fishing efficiency is lower.
Therefore, the uniformity for how improving the coil pipe entirety ice fishing of freeze dryer cold-trap, is not increasing whole floor space
In the case of improve the ice fishing amount and ice fishing efficiency of the freeze dryer cold-trap, be those skilled in the art's technical issues that need to address.
Invention content
The object of the present invention is to provide a kind of freeze dryer cold-traps, can effectively improve the coil pipe entirety ice fishing of freeze dryer cold-trap
Uniformity improves the ice fishing amount and ice fishing efficiency of the freeze dryer cold-trap in the case where not increasing whole floor space.
In order to solve the above technical problems, the present invention provides a kind of freeze dryer cold-trap comprising shell and be set to the shell
Interior coil pipe；The shell includes head cover, bottom cover and arcuation side wall, and the arcuation side wall is bonded the outer wall of body of freeze dryer, and
It is enclosed airtight cavity with the head cover and the bottom cover, the outer wall of the body of freeze dryer, which is equipped with, is connected to the freeze-drying cabinet
The air inlet of body and the shell；The coil pipe includes at least two layers of coiled pipe of the longitudinally spaced setting along the shell, respectively
The length of straigh line of the coiled pipe is adapted with the inner wall of the shell.
Coil pipe includes at least two layers of coiled pipe, and each layer coiled pipe is along the longitudinally spaced setting of shell, i.e. each layer of coiled pipe
Place plane is arranged along the transverse direction of shell, when needing to improve ice fishing amount, by the setting number of plies of increase and decrease coiled pipe, or passes through increasing
Subtract the radius of arcuation side wall to which the length of single coiled pipe be appropriately extended, compared to separately through the length for increasing coiled pipe with
For the scheme for improving ice fishing amount, this programme is more reliable, can effectively ensure that ice fishing efficiency and ice fishing amount.
(coiled pipe includes several straightways and the bending that is connected between two neighboring straightway to the straightway of coiled pipe
Section) length be adapted with the inner wall of shell, since shell includes arcuation side wall, inner wall is also arcuate structure, therefore, shell
Inside it is inconsistent along the width of its cross-sectional direction, the length of straightway is adapted with the inner wall of shell can efficiently use shell
Inner space ensure the coiled pipe of maximum length in the case of same space, and then ensure ice fishing amount.
Simultaneously as in use, the inside of the shell is vacuum state, while container is located in sterilization process again
It is larger in the lateral wall pressure of barotropic state, shell, and arcuation side wall relative to seamed edge side wall (section of such as shell be side
Shape, trapezoidal or other polygonized structures) for, in the case of identical wall thickness, arcuation side wall can avoid since there are stress collection
The problems in and add the components such as reinforcing rib, and then simplify the shell overall structure.
In addition, since arcuation side wall does not have the setting of corner angle, reduce the space of the freeze dryer cold-trap, enhances the freeze-drying
Machine is integrally to the adaptability of narrow and small place.
Optionally, the outside wall parallel of the straightway and the body of freeze dryer of each coiled pipe, and each layer is described snakelike
In default angle between plane and horizontal plane where pipe, the outlet side of the coiled pipe is less than the liquid feeding end of the coiled pipe.
Optionally, the default angle is 1 °~10 °.
Optionally, the coiled pipe includes along the longitudinal direction of the shell successively spaced first coiled pipe and the second snake
Shape pipe, the straightway stagger setting of the straightway of first coiled pipe and second coiled pipe.
Optionally, further include the first muffler and the second muffler, first muffler respectively with each first snake
The outlet side of shape pipe is connected to, and second muffler is connected to the outlet side of each second coiled pipe respectively.
Optionally, the bottom cover is obliquely installed, and the one end of the bottom cover far from the body of freeze dryer is less than described in
One end of body of freeze dryer.
Optionally, the shell further includes linkage section, and the linkage section includes being connected to the arcuation side wall and the jelly
Tabular side wall between the outer wall of dry box body, plane and the arcuation side wall are tangent where the tabular side wall.
Optionally, further include the holder being disposed in the housing, each coiled pipe passes through clamp and the holder respectively
It is fixed.
Optionally, further include temperature-measuring part, the temperature for measuring the coiled pipe.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of freeze dryer cold-trap in the prior art；
Fig. 2 is the structural schematic diagram for the freeze dryer cold-trap that the embodiment of the present invention is provided；
Fig. 3 is the right view of Fig. 2；
Fig. 4 is the vertical view of Fig. 2.
In attached drawing 1, the reference numerals are as follows：
01- shells；02- coil pipes；
In attached drawing 2-4, the reference numerals are as follows：
11- head covers, 12- bottom covers, 13- arcuation side walls；
2- coiled pipes, the first coiled pipes of 21-, the second coiled pipes of 22-；
3- mufflers, the first mufflers of 31-, the second mufflers of 32-；
The outer wall of 4- body of freeze dryer；5- holders；6- clamps；7- temperature-measuring parts, the first temperature-measuring parts of 71-, 72- second are surveyed
Warm component.
Specific implementation mode
It is below in conjunction with the accompanying drawings and specific real in order to make those skilled in the art more fully understand technical scheme of the present invention
Applying example, the present invention is described in further detail.
Please refer to Fig.2 the structural schematic diagram that -4, Fig. 2 is the freeze dryer cold-trap that the embodiment of the present invention is provided；Fig. 3 is Fig. 2
Right view；Fig. 4 is the vertical view of Fig. 2.
An embodiment of the present invention provides a kind of freeze dryer cold-traps, as shown in Fig. 2, the freeze dryer cold-trap includes shell and is set to
Coil pipe in shell.Shell includes head cover 11, bottom cover 12 and arcuation side wall 13, and arcuation side wall 13 is bonded the outer wall of body of freeze dryer
4, and it is enclosed airtight cavity with head cover 11 and bottom cover 12, the outer wall 4 of body of freeze dryer is equipped with connection body of freeze dryer and shell
The air inlet of body.
Wherein, coil pipe includes at least two layers of coiled pipe 2, and each layer coiled pipe 2 is along the longitudinally spaced setting of shell, i.e., each layer
2 place plane of coiled pipe is arranged along the transverse direction of shell, when needing to improve ice fishing amount, by increasing and decreasing the setting number of plies of coiled pipe 2,
Or by increase and decrease arcuation side wall 13 radius to which the length of single coiled pipe 2 be appropriately extended, compared to separately through increase snake
For scheme of the length of shape pipe 2 to improve ice fishing amount, the scheme of the present embodiment is more reliable, can effectively ensure that ice fishing efficiency and
Ice fishing amount.
In the present embodiment, (coiled pipe 2 includes several straightways and is connected to two neighboring straight the straightway of coiled pipe 2
Bending segment between line segment) length be adapted with the inner wall of shell, since shell includes arcuation side wall 13, inner wall is also arc
Shape structure, therefore, the inside of shell is inconsistent along the width of its cross-sectional direction, and the length of straightway is mutually fitted with the inner wall of shell
With the inner space that can efficiently use shell, in the case of same space, ensure the coiled pipe 2 of maximum length, and then ensure
Ice fishing amount.
Simultaneously as in use, the inside of the shell is vacuum state, while container is located in sterilization process again
It is larger in the lateral wall pressure of barotropic state, shell, and arcuation side wall 13 is relative to the side wall with seamed edge that (section of such as shell is
Rectangular, trapezoidal or other polygonized structures) for, in the case of identical wall thickness, arcuation side wall 13 can avoid answering due to existing
The problems in power collection and add the components such as reinforcing rib, and then simplify the shell overall structure.
In addition, due to the setting of the not no corner angle of arcuation side wall 13, reduces the space of the freeze dryer cold-trap, enhance the jelly
Dry machine is integrally to the adaptability of narrow and small place.
In the above-described embodiments, as shown in Fig. 2, the straightway of each coiled pipe 2 is parallel with the outer wall 4 of body of freeze dryer,
That is the outer wall 4 of the straightway of coiled pipe 2 and body of freeze dryer is opposite rather than 4 phase of outer wall of bending segment and body of freeze dryer
Right, the ice face of meeting that such setting can increase coil pipe is accumulated.Meanwhile in the present embodiment, each layer coiled pipe 2 is obliquely installed, coiled pipe 2
In default angle α between place plane and horizontal plane, and the outlet side of coiled pipe 2 is less than the liquid feeding end of coiled pipe 2.Inclination is set
The coiled pipe 2 set can increase its projection to the area of the outer wall 4 of body of freeze dryer, that is, increase coil pipe meets ice face product, into one
Step improves the ice fishing efficiency of coil pipe.Simultaneously as the outlet side of coiled pipe 2 is less than the liquid feeding end of coiled pipe 2 so that coiled pipe
The refrigerator oil carried in freon in 2 flows to outlet side along coiled pipe 2, avoids retaining in coiled pipe 2.
In the above-described embodiments, default angle α=3 ° between 2 place plane of coiled pipe and horizontal plane certainly incline to this
Rake angle is simultaneously not particularly limited, if but angle of inclination it is larger, the blocking between adjacent two layers coiled pipe 2 may occur, if
Angle of inclination is smaller, therefore this can be preset angle by the outflow phenomenon unobvious of the increase and refrigerator oil of meeting ice face product
Preferably 1 °~10 °.
In the above-described embodiments, as shown in Figure 3 and Figure 4, coiled pipe 2 includes 22 liang of the first coiled pipe 21 and the second coiled pipe
Kind, wherein the first coiled pipe 21 and the second coiled pipe 22 are spaced setting along the longitudinal direction of shell successively, and first coiled pipe 21
The straightway of straightway and the second coiled pipe 22 is arranged along the lateral alternate of shell；That is, coil pipe is divided into two groups of coiled pipes
2, if one group includes the first coiled pipe of dried layer 21, if another group includes the second coiled pipe of dried layer 22, also, each group of coiled pipe 2
It is designed with corresponding independent cooling cycle, i.e., the refrigeration cycle of two groups coiled pipes 2 is mutual indepedent.
In original operating state, two groups of coiled pipes 2 can act on the rapid drop in temperature so that in shell, later stage work simultaneously
The cold of enclosure interior optionally only can be can guarantee in work by the work of one of which coiled pipe 2.Wherein, the first coiled pipe 21
It is spaced successively in shell with the second coiled pipe 22, i.e., two groups of coiled pipes 2 are uniformly set in shell respectively, so that only
When one group of coiled pipe 2 works, which being capable of uniform ice fishing and refrigerating capacity is uniform.The setting of two groups of coiled pipes 2 can be wherein
When one group of coiled pipe 2 can not work due to breaking down, another group of coiled pipe 2 still can work, to ensure the freeze dryer
The stable operation of cold-trap.
The straightway of the straightway of first coiled pipe 21 and the second coiled pipe 22 is arranged along the lateral alternate of shell, such as Fig. 4
Shown, the straightway of the first coiled pipe 21 is located between the two neighboring straightway of the second coiled pipe 22, the second coiled pipe 22
Straightway is located between the straightway of two adjacent the first coiled pipes 21, avoids blocking the feelings for causing ice stifled due to air-flow
Condition, and then ensure that the coil pipe being capable of uniform ice fishing, guarantee ice fishing efficiency and ice fishing amount.
In addition, in the present embodiment, the first coiled pipe 21 is identical with the quantity of the second coiled pipe 22, in order to realize to two sets
The control of refrigeration cycle.
Certainly, in the present embodiment, coil pipe can also include third coiled pipe, wherein the quantity of third coiled pipe and the
One coiled pipe 21, the number of plies of the second coiled pipe 22 are consistent, and the third coiled pipe and the first coiled pipe 21, the second coiled pipe 22 are successively
Interval setting, and straightway mutually staggers, and third coiled pipe also is provided with independent refrigeration cycle.Alternatively, the coil pipe may be used also
To include the 4th coiled pipe etc., this is not required.
In the above-described embodiments, further include the first muffler 31 and the second muffler 32, wherein the first muffler 31 is distinguished
It is connected to the outlet side of each first coiled pipe 21, the second muffler 32 is connected to the outlet side of each second coiled pipe 22 respectively.Together
Sample, if coil pipe includes third coiled pipe, it is additionally provided with the third return-air being connected to the outlet side of each third coiled pipe accordingly
Pipe.I.e. each group coiled pipe 2 is correspondingly provided with independent muffler respectively, ensures the independence of each refrigeration cycle, meanwhile, compared to each
Coiled pipe 2 is respectively provided with for the scheme of independent muffler, can simplify overall structure.
In the above-described embodiments, as shown in Fig. 2, bottom cover 12 is obliquely installed, the one end of bottom cover 12 far from body of freeze dryer is low
In one end towards body of freeze dryer.Such setting is flowed convenient for the water in cold-trap to the side far from body of freeze dryer, ensures
The freeze dryer cold-trap from drain function.
In the above-described embodiments, shell further includes linkage section, which includes being connected to arcuation side wall 13 and freeze dryer
Tabular side wall between the outer wall 4 of babinet, plane and arcuation side wall 13 are tangent where tabular side wall.That is, the shell
The cross-sectional area of body can increase according to specific needs so that the length increase of coiled pipe 2, to increase ice fishing amount, it is of course also possible to
Increase the cross-sectional area of shell by increasing the diameter of arcuation side wall 13, can specifically be set according to situations such as equipment place
It sets.Tabular side wall and arcuation side wall 13 are tangent so that connection between the two seamlessly transits, and avoids the occurrence of asking for stress concentration
Topic.
In the above-described embodiments, freeze dryer cold-trap further includes the holder 5 being set in shell, and the holder 5 is for fixed snakelike
Pipe 2, each coiled pipe 2 is fixed by clamp 6 and holder 5, certainly, in the present embodiment, between coiled pipe 2 and holder 5
Fixed form be not particularly limited, such as welding can also be selected fixed, meanwhile, clamp 6 is not also limited, such as can be with
U-shaped folder by being welded in holder 5 is fixed, or C-type clamp realization can also be selected fixed etc..And for holder 5 and shell it
Between fixation be also not particularly limited, holder 5 and the arcuation side wall 13 or bottom cover 12 of shell can be such as welded and fixed, can also
Holder 5 is detachably connected by the realization of other limiting components.
In the above-described embodiments, as shown in Figures 2 and 3, further include temperature-measuring part 7, the temperature for measuring coiled pipe 2,
It is monitored convenient for the working condition to coiled pipe 2, and then ensures the working condition of the freeze dryer cold-trap.Specifically, working as coil pipe
Equipped with the first coiled pipe 21 and when the second coiled pipe 22, temperature-measuring part 7 also includes that the first temperature-measuring part 71 and second is surveyed accordingly
Warm component 72, wherein the first temperature-measuring part 71 is used to measure the temperature of the first coiled pipe 21, and the second temperature-measuring part 72 is for measuring
The temperature of second coiled pipe 22.To control separate refrigeration cycle.It is also set when similarly, equipped with third coiled pipe
There is third temperature-measuring part.
In the above-described embodiments, the freeze dryer cold-trap installation process is as follows：
S1：After 13 bending and molding of arcuation side wall of shell, upper cover and lower cover are pressed into figure welding fabrication；
S2：After part holder 5 is completed, the first coiled pipe 21 and the second coiled pipe 22 are consolidated by clamp 6 and holder 5
It is fixed so that the first coiled pipe 21 and the second coiled pipe 22 be spaceds successively to be arranged and the straightway of the first coiled pipe 21 and second snakelike
The straightway of pipe 22 is staggered, and the first coiled pipe 21 and the second coiled pipe 22 are horizontal by 3 ° of inclinations angle；
S3：First muffler 31 is connected to fixation with the outlet side of each first coiled pipe 21, by the second muffler 32 and respectively
The outlet side connection of second coiled pipe 22 is fixed；
S4：Ensure the first coiled pipe 21, the second coiled pipe 22, the first muffler 31 and the second muffler by suppressing test
No leakage between 32；
S5：The mounted components of above-mentioned S2-S4 are integrally put into S1 in mounted shell, and by holder 5 and shell
Fixation；
S6：It is packed into other cold-trap attachmentes (such as the first temperature-measuring part 71 and the second temperature-measuring part 72), enclosure interior is by wanting
The case where asking polishing treatment, avoiding generating dust stratification there are dead angle；
S7：Fixed in body of freeze dryer by the mounted freeze dryer cold-traps of above-mentioned S1-S6 are whole, specifically can by shell with
The sidewall weld of body of freeze dryer, which is realized, to be fixed.
It the above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (9)
1. a kind of freeze dryer cold-trap, including shell and the coil pipe that is disposed in the housing；It is characterized in that,
The shell includes head cover (11), bottom cover (12) and arcuation side wall (13), arcuation side wall (13) the fitting freeze-drying cabinet
The outer wall (4) of body, and airtight cavity is enclosed with the head cover (11) and the bottom cover (12), the body of freeze dryer it is outer
Wall (4) is equipped with the air inlet for being connected to the body of freeze dryer and the shell；
The coil pipe includes at least two layers of coiled pipe (2) of the longitudinally spaced setting along the shell, each coiled pipe (2)
Length of straigh line is adapted with the inner wall of the shell.
2. freeze dryer cold-trap according to claim 1, which is characterized in that the straightway of each coiled pipe (2) with it is described
The outer wall (4) of body of freeze dryer is parallel, and is in default angle, institute between plane and horizontal plane where each layer coiled pipe (2)
The outlet side for stating coiled pipe (2) is less than the liquid feeding end of the coiled pipe (2).
3. freeze dryer cold-trap according to claim 2, which is characterized in that the default angle is 1 °~10 °.
4. according to claim 1-3 any one of them freeze dryer cold-traps, which is characterized in that the coiled pipe (2) includes along institute
The longitudinal direction of shell spaced first coiled pipe (21) and the second coiled pipe (22) successively are stated, first coiled pipe (21)
The straightway stagger setting of straightway and second coiled pipe (22).
5. freeze dryer cold-trap according to claim 4, which is characterized in that further include the first muffler (31) and the second return-air
It manages (32), first muffler (31) is connected to the outlet side of each first coiled pipe (21) respectively, second return-air
Pipe (32) is connected to the outlet side of each second coiled pipe (22) respectively.
6. according to claim 1-3 any one of them freeze dryer cold-traps, which is characterized in that the bottom cover (12) is obliquely installed,
The one end of the bottom cover (12) far from the body of freeze dryer is less than towards one end of the body of freeze dryer.
7. according to claim 1-3 any one of them freeze dryer cold-traps, which is characterized in that the shell further includes linkage section,
The linkage section includes the tabular side being connected between the arcuation side wall (13) and the outer wall (4) of the body of freeze dryer
Wall, plane and the arcuation side wall (13) are tangent where the tabular side wall.
8. according to claim 1-3 any one of them freeze dryer cold-traps, which is characterized in that further include being disposed in the housing
Holder (5), each coiled pipe (2) are fixed by clamp (6) and the holder (5) respectively.
9. according to claim 1-3 any one of them freeze dryer cold-traps, which is characterized in that further include temperature-measuring part (7), be used for
Measure the temperature of the coiled pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810638946.9A CN108775775A (en) | 2018-06-20 | 2018-06-20 | A kind of freeze dryer cold-trap |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810638946.9A CN108775775A (en) | 2018-06-20 | 2018-06-20 | A kind of freeze dryer cold-trap |
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| CN108775775A true CN108775775A (en) | 2018-11-09 |
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| CN201810638946.9A Pending CN108775775A (en) | 2018-06-20 | 2018-06-20 | A kind of freeze dryer cold-trap |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595160A (en) * | 2019-09-18 | 2019-12-20 | 江苏博莱客冷冻科技发展有限公司 | Cold trap for freeze dryer |
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| KR101257794B1 (en) * | 2012-03-30 | 2013-05-07 | (주)제니스텍 | Using cryogenic cold trap device manufacturing method of nitric oxide |
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| CN204574640U (en) * | 2015-04-14 | 2015-08-19 | 江苏博莱客冷冻科技发展有限公司 | The dual cold-trap of anhydrous defrost |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595160A (en) * | 2019-09-18 | 2019-12-20 | 江苏博莱客冷冻科技发展有限公司 | Cold trap for freeze dryer |
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