CN220229649U - Water-cooling adjusting device for freeze dryer - Google Patents
Water-cooling adjusting device for freeze dryer Download PDFInfo
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- CN220229649U CN220229649U CN202321870447.5U CN202321870447U CN220229649U CN 220229649 U CN220229649 U CN 220229649U CN 202321870447 U CN202321870447 U CN 202321870447U CN 220229649 U CN220229649 U CN 220229649U
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- cooling
- cooling water
- pipeline
- water
- freeze dryer
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- 238000001816 cooling Methods 0.000 title claims abstract description 63
- 239000000498 cooling water Substances 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 229920000742 Cotton Polymers 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a water-cooling adjusting device for a freeze dryer; belongs to the technical field of water cooling regulation; the technical key point of the device comprises a compressor unit connected with a cold trap in a vacuum bin and a cooling water tank arranged on a frame outside the vacuum bin, wherein a pipeline between an output port of the cold trap and an input port of the compressor unit passes through the cooling water tank and is in contact with cooling water in the cooling water tank; the cooling water tank is connected with a cooling water inlet and a cooling water outlet of the plate heat exchanger in a conducting way through pipelines, and a hot oil inlet and a hot oil outlet of the plate heat exchanger are connected with a heating component of the freeze dryer in a conducting way; the utility model aims to provide a water-cooling adjusting device for a freeze dryer, which has the advantages of compact structure, convenient use and good effect; is used for water-cooling adjustment of the freeze dryer.
Description
Technical Field
The utility model relates to an auxiliary structure of a freeze dryer, in particular to a water cooling adjusting device for the freeze dryer.
Background
Freeze-drying is a technique of drying by using the principle of sublimation, and is a process of rapidly freezing a substance to be dried at a low temperature and then directly sublimating frozen water molecules into water vapor in a proper vacuum environment to escape. Therefore, the freeze dryer has the necessary components such as a compressor set, a vacuum pump set, an electric heating assembly and the like. In the prior art, when the vacuum pump set is of a type requiring an external cooling system, an external circulating cooling system is required to cool the vacuum pump set, so that the structure is complex, and if no existing circulating cooling system exists on site, the circulating cooling system is required to be built again or the vacuum pump set which is expensive and does not require the external cooling system is adopted, and the use cost of the freeze dryer is increased.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides the water-cooling adjusting device for the freeze dryer, which is compact in structure, convenient to use and good in effect.
The technical scheme of the utility model is realized as follows: a water-cooling regulator for freeze drier is composed of compressor unit connected to cold trap in vacuum chamber, and cooling water tank arranged on external frame of vacuum chamber.
The cooling water tank is connected with a cooling water inlet and a cooling water outlet of the plate heat exchanger through pipelines, and a hot oil inlet and a hot oil outlet of the plate heat exchanger are connected with a heating component of the freeze dryer in a conducting way.
In the water cooling adjusting device for the freeze dryer, the cooling coil is arranged in the cooling water tank, and a pipeline between the cold trap output port and the compressor unit input port is connected with the cooling coil in a conducting way.
In the above-mentioned water-cooling adjusting device for a freeze dryer, the cooling water outlet of the cooling water tank is connected with a water outlet pipe, and a first control valve and a pipeline pump are sequentially arranged on the water outlet pipe along the water flow direction.
The pipeline pump output port is connected with a first circulating cooling pipeline and a second circulating cooling pipeline through a three-way valve respectively, and electromagnetic valves connected with a control terminal circuit are arranged on the first circulating cooling pipeline and the second circulating cooling pipeline.
The first circulating cooling pipeline is connected with a cooling water inlet and a cooling water outlet of the plate heat exchanger in a conducting way; and the second circulating cooling pipeline is connected with the inlet and the outlet of the cooling pipeline of the vacuum pump in a conducting way.
In the water cooling adjusting device for the freeze dryer, the cooling water tank comprises a box body, a sealing cover is hinged to an opening part of the box body, a water inlet end of the water outlet pipe is positioned at a near end part of the lower end of the box body and is leveled with the inner wall of the box body, a netlike positioning enclosing baffle is arranged in the box body with the periphery of the water inlet end of the water outlet pipe, the netlike positioning enclosing baffle is matched with the inner wall and the bottom of the box body to form a unilateral open cylindrical structure, and filter cotton is inserted into the cylindrical structure.
After the structure is adopted, the cooling water tank is directly arranged in the frame outside the vacuum bin, meanwhile, a pipeline between the cold trap output port and the compressor unit input port passes through the cooling water tank skillfully, and the cooling water tank is cooled by residual cold in the pipeline, so that the water temperature in the cooling water tank is obviously reduced, and the cooling efficiency of the cooling water tank is further improved. Meanwhile, the temperature of the heating plate in the vacuum bin can be controlled through the cooperation of the heating plate and the plate heat exchanger, the heating plate is prevented from exceeding a preset temperature when the heating plate is heated, and the heating plate can be rapidly cooled after the heating plate is used.
Drawings
The utility model is described in further detail below in connection with the embodiments in the drawings, but is not to be construed as limiting the utility model in any way.
FIG. 1 is a schematic structural view of embodiment 1 of the present utility model;
FIG. 2 is a schematic view of the structure of the cooling water tank of the present utility model;
fig. 3 is a schematic structural view of embodiment 2 of the present utility model.
In the figure: 1. a compressor unit 1; 2. a cooling water tank; 2a, a box body; 2b, sealing the cover; 2c, a net-shaped positioning enclosure; 2d, filtering cotton; 3. a plate heat exchanger; 4. a cooling coil; 5. a water outlet pipe; 6. a first control valve; 7. a pipeline pump; 8. a first circulation cooling line; 9. a second circulation cooling line; 10. an electromagnetic valve; 11. and a vacuum pump.
Detailed Description
Example 1
Referring to fig. 1-2, a water cooling adjusting device for a freeze dryer according to the present utility model includes a compressor unit 1 connected to a cold trap in a vacuum chamber and a cooling water tank 2 provided on a frame outside the vacuum chamber, and a pipe line between an output port of the cold trap and an input port of the compressor unit 1 passes through the cooling water tank 2 and contacts cooling water in the cooling water tank 2. After the structure is adopted, the cooling water tank is cooled by utilizing the residual cold in the pipeline, so that the water temperature in the cooling water tank is obviously reduced, and the cooling efficiency of the cooling water tank is further improved.
The cooling water tank 2 is connected with a cooling water inlet and a cooling water outlet of the plate heat exchanger 3 in a conducting way through a pipeline, and a hot oil inlet and a hot oil outlet of the plate heat exchanger 3 are connected with a heating component of the freeze dryer in a conducting way. Through the cooperation of coolant tank and plate heat exchanger, can realize the control to the hot plate temperature in the vacuum storehouse, the temperature of exceeding the predetermined temperature when avoiding its intensification to after using, can cool down the hot plate fast.
In this embodiment, a cooling coil 4 is disposed in the cooling water tank 2, and a pipeline between the cold trap output port and the input port of the compressor unit 1 is connected to the cooling coil 4 in a conductive manner. The heat exchange area of the cooling water is increased through the cooling coil, so that the cooling efficiency of the cooling water in the cooling water tank can be effectively improved.
In this embodiment, the cooling water tank 2 includes a tank body 2a, a sealing cover 2b is hinged at an opening of the tank body 2a, a water inlet end of the water outlet pipe 5 is located at a near end portion of a lower end of the tank body 2a and is parallel to an inner wall of the tank body 2a, a netlike positioning enclosing shield 2c is arranged in the tank body 2a at a periphery of the water inlet end of the water outlet pipe 5, the netlike positioning enclosing shield 2c is matched with the inner wall and the bottom of the tank body 2a to form a cylindrical structure with a single side open, and filter cotton 2d is inserted in the cylindrical structure. The cooling water is filtered through the netlike positioning enclosing baffle and the filter cotton, so that the blockage caused by the impurity in the water tank entering the pipeline is avoided. The sealing cover that articulates the setting is convenient to be opened, when need clear up or the maintenance in the box, opens sealed lid and can go on.
When the vacuum cabin cooling trap is used, cooling water in the vacuum cabin cooling trap flows through the cooling coil pipe through the pipeline and then returns to the compressor unit for circulation, and water in the cooling water tank is cooled down and then flows to the plate heat exchanger for heat exchange to control the temperature of the heating plate in the vacuum cabin.
Example 2
Referring to fig. 3, a water cooling regulator for a freeze dryer according to the present utility model has a structure substantially the same as that of embodiment 1, except that in this embodiment, a water outlet pipe 5 is connected to a cooling water outlet of the cooling water tank 2, and a first control valve 6 and a pipe pump 7 are sequentially disposed on the water outlet pipe 5 along a water flow direction.
The output port of the pipeline pump 7 is respectively connected with a first circulating cooling pipeline 8 and a second circulating cooling pipeline 9 through a three-way valve, and electromagnetic valves 10 connected with a control terminal circuit are arranged on the first circulating cooling pipeline 8 and the second circulating cooling pipeline 9.
The first circulating cooling pipeline 8 is connected with a cooling water inlet and a cooling water outlet of the plate heat exchanger 3 in a conducting way; the second circulating cooling pipeline 9 is connected with the inlet and the outlet of the cooling pipeline of the vacuum pump 11 in a conducting way. After the structure is adopted, the cooling pipeline which conveys the cooling water to the vacuum pump through the second circulating cooling pipeline cools down and cools the vacuum pump, a cooling circulating system is not required to be additionally built for the vacuum pump, and the equipment cost is effectively saved.
The method of use is the same as in example 1.
The above examples are provided for convenience of description of the present utility model and are not to be construed as limiting the utility model in any way, and any person skilled in the art will make partial changes or modifications to the utility model by using the disclosed technical content without departing from the technical features of the utility model.
Claims (4)
1. A water-cooling adjusting device for a freeze dryer, which comprises a compressor unit (1) connected with a cold trap in a vacuum bin and a cooling water tank (2) arranged on a frame outside the vacuum bin, and is characterized in that a pipeline between an output port of the cold trap and an input port of the compressor unit (1) passes through the cooling water tank (2) and is in contact with cooling water in the cooling water tank (2);
the cooling water tank (2) is connected with a cooling water inlet and a cooling water outlet of the plate heat exchanger (3) in a conducting way through pipelines, and a hot oil inlet and a hot oil outlet of the plate heat exchanger (3) are connected with a heating component of the freeze dryer in a conducting way.
2. A water cooling regulating device for a freeze dryer according to claim 1, characterized in that a cooling coil (4) is arranged in the cooling water tank (2), and a pipeline between the cold trap output port and the input port of the compressor unit (1) is connected with the cooling coil (4) in a conducting manner.
3. The water cooling adjusting device for a freeze dryer according to claim 1, wherein a cooling water outlet of the cooling water tank (2) is connected with a water outlet pipe (5), and a first control valve (6) and a pipeline pump (7) are sequentially arranged on the water outlet pipe (5) along the water flow direction;
the output port of the pipeline pump (7) is respectively connected with a first circulating cooling pipeline (8) and a second circulating cooling pipeline (9) through a three-way valve, and electromagnetic valves (10) connected with a control terminal circuit are arranged on the first circulating cooling pipeline (8) and the second circulating cooling pipeline (9);
the first circulating cooling pipeline (8) is connected with a cooling water inlet and a cooling water outlet of the plate heat exchanger (3) in a conducting way; the second circulating cooling pipeline (9) is connected with the inlet and the outlet of the cooling pipeline of the vacuum pump (11) in a conducting way.
4. A water cooling adjusting device for a freeze dryer according to claim 3, wherein the cooling water tank (2) comprises a tank body (2 a), a sealing cover (2 b) is hinged at the opening part of the tank body (2 a), the water inlet end of the water outlet pipe (5) is positioned at the near end part of the lower end of the tank body (2 a) and is leveled with the inner wall of the tank body (2 a), a netlike positioning enclosing shield (2 c) is arranged in the tank body (2 a) at the periphery of the water inlet end of the water outlet pipe (5), the netlike positioning enclosing shield (2 c) is matched with the inner wall and the bottom of the tank body (2 a) to form a unilateral open cylinder structure, and filter cotton (2 d) is inserted in the cylinder structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321870447.5U CN220229649U (en) | 2023-07-14 | 2023-07-14 | Water-cooling adjusting device for freeze dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321870447.5U CN220229649U (en) | 2023-07-14 | 2023-07-14 | Water-cooling adjusting device for freeze dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220229649U true CN220229649U (en) | 2023-12-22 |
Family
ID=89175475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321870447.5U Active CN220229649U (en) | 2023-07-14 | 2023-07-14 | Water-cooling adjusting device for freeze dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220229649U (en) |
-
2023
- 2023-07-14 CN CN202321870447.5U patent/CN220229649U/en active Active
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