CN210638377U - Novel freeze dryer - Google Patents
Novel freeze dryer Download PDFInfo
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- CN210638377U CN210638377U CN201921786290.1U CN201921786290U CN210638377U CN 210638377 U CN210638377 U CN 210638377U CN 201921786290 U CN201921786290 U CN 201921786290U CN 210638377 U CN210638377 U CN 210638377U
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- freeze
- drying
- cold trap
- water catching
- box body
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Abstract
The utility model discloses a novel freeze dryer belongs to the freeze dryer field. The freeze dryer comprises a box body, wherein at least two mutually independent freeze drying bins are arranged in the box body, and a heat preservation and insulation plate is arranged between every two adjacent freeze drying bins. The freeze-drying storehouse is internally provided with shelves, and the shelves in each freeze-drying storehouse are connected with a heating device and a refrigerating device through connecting pipes and independent electromagnetic valves. The below in freeze-drying storehouse is provided with the cold trap, and every freeze-drying storehouse all communicates with the cold trap through solitary connecting pipe and solenoid valve. And a transparent observation window is arranged at the position of the box body corresponding to the cold trap. The cold trap comprises a water catching wall and a coil pipe, the coil pipe is positioned outside the water catching wall, and two ends of the coil pipe are communicated with the refrigerating device. The utility model adopts the above structure novel freeze dryer can solve different kinds of article and easily produce the influence each other in the freeze dryer, and the cold trap frosts seriously, catches the problem of water ability variation.
Description
Technical Field
The utility model belongs to the technical field of the freeze dryer and specifically relates to a novel freeze dryer is related to.
Background
A freeze dryer is a method of freezing a water-containing substance into a solid state and then sublimating water from the solid state into a gaseous state to remove water and preserve the substance. The freeze dryer is dried at low temperature, does not deform protein, but can lose biological activity of microorganisms and the like, and is particularly suitable for bioactive products, biochemical products, genetic engineering products, blood products and the like with poor thermal stability.
The cold trap in the freeze dryer is used for catching the steam in the freeze-drying bin in the heating stage, so that the steam is attached to the low-temperature cold trap coil pipe, thereby reducing the steam in the freeze-drying bin and improving the freeze-drying speed of the material. The existing freeze dryer is provided with a freeze drying bin and a cold trap, the cold trap is communicated with the freeze drying bin, a plurality of articles are placed in the same freeze drying bin for freeze drying, and the articles can influence each other; and different articles have different requirements on freeze-drying, and when freeze-drying is carried out in the same freeze-drying bin, the pressure ratio of water vapor in the freeze-drying bin to the cold trap is higher, so that the frosting on the inner wall of the cold trap is serious, and the water capturing capacity is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel freeze dryer solves in the freeze dryer different kinds of article and easily produces the influence each other, and the cold trap frosts seriously, catches the problem that water ability worsens.
In order to achieve the purpose, the utility model provides a novel freeze dryer, which comprises a box body, wherein the box body is internally provided with a heating device, a refrigerating device and a controller, the box body is internally provided with at least two mutually independent freeze drying bins, a heat insulation board is arranged between the adjacent freeze drying bins, a bin door is arranged at the inlet position corresponding to each freeze drying bin on the box body, the bin door is in sealed rotary connection with the freeze drying bins, shelves are arranged in the freeze drying bins, the shelves in each freeze drying bin are connected with the heating device and the refrigerating device through independent connecting pipes, each connecting pipe is provided with a solenoid valve, and the solenoid valve is connected with the controller;
cold traps are arranged below the freeze-drying bins, each freeze-drying bin is communicated with the cold trap through an independent connecting pipe, an electromagnetic valve is arranged on the connecting pipe between each freeze-drying bin and the cold trap, the electromagnetic valve is connected with a controller, and a transparent observation window is arranged at the position of the box body corresponding to the cold trap;
the cold trap comprises a water catching wall and a coil pipe, the coil pipe is located outside the water catching wall, two ends of the coil pipe are communicated with a refrigerating device, a support is arranged on the outer surface of the side wall of the water catching wall, the water catching wall is fixed inside the box body through the support, a drain hole is formed in the side wall below the water catching wall and is communicated with a water outlet through a drain pipe, a through hole is formed in the bottom of the water catching wall, a vacuum pipe is inserted into an inner cavity of the water catching wall through the through hole, a vacuum port is formed in one end, located in the inner cavity of the water catching wall, of the vacuum pipe, the other end of the vacuum pipe is communicated with a vacuum interface, the vacuum interface is.
Further, the coil pipe is formed by winding a copper pipe around the outer surface of the water catching wall.
Furthermore, the water catching wall is made of stainless steel, and the shelf is made of stainless steel.
Furthermore, the bottom of the box body is provided with a roller which is convenient to move.
A novel freeze dryer, be provided with 3 independent freeze-drying storehouses on the box, be provided with the heat preservation heat insulating board between the adjacent freeze-drying storehouse, the heat preservation heat insulating board can reduce the influence each other between the freeze-drying storehouse. Every freeze-drying storehouse is connected with heating, refrigerating plant through solitary connecting pipe and solenoid valve, and every freeze-drying storehouse is also connected with the cold trap through solitary connecting pipe and solenoid valve, and the controller carries out solitary control to refrigeration, the heating in every freeze-drying storehouse through the solenoid valve. Different or the same articles are placed in different freeze-drying bins, so that the mutual influence among the articles is reduced; and the large pressure of the system or the cold trap caused by the simultaneous refrigeration and heating of the articles in the same freeze-drying bin is avoided, and the water capturing effect of the cold trap is improved. The coil pipe is wound on the outer surface of the stainless steel water catching wall and is tightly attached to the water catching wall, so that the cold energy can be better transmitted between the coil pipe and the water catching wall.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the novel freeze dryer of the present invention;
fig. 2 is a schematic diagram of a cold trap structure of an embodiment of the novel freeze dryer of the present invention.
Reference numerals
1. A box body; 2. a freeze-drying bin; 3. a shelf; 4. cold trap; 5. a roller; 6. a vacuum port; 7. a drain hole; 8. a vacuum interface; 9. a water outlet; 10. a support; 11. a coil pipe; 12. a water catching wall; 13. a vacuum tube.
Detailed Description
Examples
Fig. 1 is a schematic structural diagram of an embodiment of the novel freeze dryer of the present invention. A novel freeze dryer comprises a box body 1, wherein a roller 5 convenient to move is arranged at the bottom of the box body 1. The inside of box 1 is provided with two mutually independent freeze-drying storehouse 2 at least, and the number of freeze-drying storehouse 2 is 3 in this embodiment. And a heat-insulating plate is arranged between the adjacent freeze-drying bins 2, so that the mutual influence between the freeze-drying bins 2 is reduced. The entrance position corresponding to each freeze-drying bin 2 on the box body 1 is provided with a transparent bin door, so that the internal condition of the freeze-drying bin 2 can be observed conveniently. The bin door is rotatably connected with the freeze-drying bin 2 through a hinge. A sealing ring is arranged between the bin gate and the freeze-drying bin 2, and the bin gate is connected with the freeze-drying bin 2 through the sealing ring in a sealing way. The freeze-drying storehouse 2 is provided with shelf 3 in the inside, and the shelf 3 in every freeze-drying storehouse 2 all is connected with heating, refrigerating plant through solitary connecting pipe. The heating and refrigerating device heats or refrigerates the corresponding freeze-drying bin 2 through the partition plate. And a solenoid valve is arranged on a connecting pipe between each partition plate and the heating and refrigerating device and is connected with the controller. The electromagnetic valve is used for controlling the opening or closing of the corresponding connecting pipe. Each freeze-drying bin 2 is independently connected with a heating and refrigerating device, and the controller can realize independent work of each freeze-drying bin 2 by controlling the switch of the electromagnetic valve. The heating and refrigerating devices and the controller are all in the same structure as the existing freeze dryer.
The lower part of the freeze-drying bin 2 is provided with a cold trap 4, and each freeze-drying bin 2 is communicated with the cold trap 4 through an independent connecting pipe. An electromagnetic valve is arranged on a connecting pipe between each freeze-drying bin 2 and the cold trap 4 and is connected with a controller. The water vapor in the freeze-drying bin 2 enters the cold trap 4 through the connecting pipe and is captured by the water capturing wall 12 in the cold trap 4, so that the water vapor content in the freeze-drying bin 2 is reduced. All be provided with the solenoid valve on the connecting pipe between every freeze-drying storehouse 2 and the cold-trap 4, the controller passes through opening and closing of the corresponding connecting pipe of solenoid valve control to selectively catch the steam in the freeze-drying storehouse 2, reduced the pressure of cold-trap 4, improve its water catching effect. The box body 1 is provided with a transparent observation window corresponding to the position of the cold trap 4 and used for observing the condition in the cold trap 4.
Fig. 2 is a schematic diagram of a cold trap structure of an embodiment of the novel freeze dryer of the present invention. The cold trap 4 comprises a water catching wall 12 and a coil pipe 11, wherein the coil pipe 11 is formed by winding a copper pipe with the diameter of 10mm around the outer surface of the water catching wall 12. The two ends of the coil pipe 11 are communicated with a refrigerating device, and the refrigerating device refrigerates the water catching wall 12 through the coil pipe 11. A drain hole 7 is arranged on the side wall below the water catching wall 12, and the drain hole 7 is communicated with a drain outlet 9 through a drain pipe and is used for draining the water melted in the cold trap 4. The bottom of the water catching wall 12 is provided with a through hole, a vacuum tube 13 is inserted into the inner cavity of the water catching wall 12 through the through hole, one end of the vacuum tube 13, which is positioned in the inner cavity of the water catching wall 12, is provided with a vacuum port 6, and the other end of the vacuum tube 13 is communicated with a vacuum port 8. And a sealing ring is arranged in the through hole to ensure the sealing property of the joint of the vacuum tube 13 and the through hole. The vacuum interface 8 is communicated with an external vacuum pump, and the vacuum pump carries out vacuum pumping treatment on the cold trap 4 and the freeze-drying bin 2 through a vacuum tube 13. The vacuum interface 8 and the water outlet 9 are both fixed on the box body 1. The opening of the water catching wall 12 is connected with the box body 1 in a sealing way, and can be sealed by a rubber sealing ring.
The coil pipe 11 is arranged close to the water catching wall 12, and the cold energy can be better transmitted between the coil pipe 11 and the water catching wall 12. The water catching wall 12 is made of stainless steel.
The bracket 10 is arranged on the outer surface of the side wall of the water catching wall 12, and the water catching wall 12 is fixed inside the box body 1 through the bracket 10.
Therefore, the utility model adopts the above structure novel freeze dryer can solve in the freeze dryer different kinds of article and easily produce the influence each other, and the cold trap frosts seriously, catches the problem that water ability worsens.
The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.
Claims (4)
1. The utility model provides a novel freeze dryer, includes the box, and the inside of box is provided with heating, refrigerating plant and controller, its characterized in that: the freeze-drying device is characterized in that at least two mutually independent freeze-drying bins are arranged in the box body, a heat-insulating plate is arranged between every two adjacent freeze-drying bins, a bin door is arranged at the position, corresponding to the inlet of each freeze-drying bin, on the box body, the bin door is connected with the freeze-drying bins in a sealing and rotating mode, shelves are arranged in the freeze-drying bins, the shelves in each freeze-drying bin are connected with a heating and refrigerating device through independent connecting pipes, an electromagnetic valve is arranged on each connecting pipe, and the electromagnetic valves are connected with a controller;
cold traps are arranged below the freeze-drying bins, each freeze-drying bin is communicated with the cold trap through an independent connecting pipe, an electromagnetic valve is arranged on the connecting pipe between each freeze-drying bin and the cold trap, the electromagnetic valve is connected with a controller, and a transparent observation window is arranged at the position of the box body corresponding to the cold trap;
the cold trap comprises a water catching wall and a coil pipe, the coil pipe is located outside the water catching wall, two ends of the coil pipe are communicated with a refrigerating device, a support is arranged on the outer surface of the side wall of the water catching wall, the water catching wall is fixed inside the box body through the support, a drain hole is formed in the side wall below the water catching wall and is communicated with a water outlet through a drain pipe, a through hole is formed in the bottom of the water catching wall, a vacuum pipe is inserted into an inner cavity of the water catching wall through the through hole, a vacuum port is formed in one end, located in the inner cavity of the water catching wall, of the vacuum pipe, the other end of the vacuum pipe is communicated with a vacuum interface, the vacuum interface is.
2. The novel freeze dryer according to claim 1, characterized in that: the coil pipe is formed by winding a copper pipe around the outer surface of the water catching wall.
3. The novel freeze dryer according to claim 1, characterized in that: the water catching wall is made of stainless steel, and the shelf is made of stainless steel.
4. The novel freeze dryer according to claim 1, characterized in that: the bottom of the box body is provided with a roller which is convenient to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921786290.1U CN210638377U (en) | 2019-10-23 | 2019-10-23 | Novel freeze dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921786290.1U CN210638377U (en) | 2019-10-23 | 2019-10-23 | Novel freeze dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210638377U true CN210638377U (en) | 2020-05-29 |
Family
ID=70795608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921786290.1U Active CN210638377U (en) | 2019-10-23 | 2019-10-23 | Novel freeze dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210638377U (en) |
-
2019
- 2019-10-23 CN CN201921786290.1U patent/CN210638377U/en active Active
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