CN212236652U - Freeze drying system with blowdown ability - Google Patents
Freeze drying system with blowdown ability Download PDFInfo
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- CN212236652U CN212236652U CN202020095181.1U CN202020095181U CN212236652U CN 212236652 U CN212236652 U CN 212236652U CN 202020095181 U CN202020095181 U CN 202020095181U CN 212236652 U CN212236652 U CN 212236652U
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Abstract
The present application relates to a freeze drying system with blowdown capability. The freeze drying system with blowdown ability of this application includes: the freeze drying device comprises an outer cylinder, an air inlet pipe, an air outlet pipe, a precooling heat exchanger, a drying heat exchanger, a refrigerant pipe, a first blow-down valve and a second blow-down valve; the precooling heat exchanger and the drying heat exchanger are respectively arranged in the outer cylinder body, and the air inlet pipe and the air outlet pipe respectively penetrate through the outer cylinder body and are connected with the precooling heat exchanger; the refrigerant pipe is arranged in the drying heat exchanger, and an inlet and an outlet of the refrigerant pipe penetrate through the outer cylinder; the first blowdown valve and the second blowdown valve are arranged on the outer cylinder body respectively, the first blowdown valve is communicated with the air inlet end of the drying heat exchanger, and the second blowdown valve is communicated with the air outlet end of the drying heat exchanger. The application the refrigerated drying system with blowdown ability have the advantage that soda water fully separates.
Description
Technical Field
The present application relates to drying systems, and more particularly to freeze drying systems having blowdown capabilities.
Background
The existing freezing type drying cylinder is provided with two groups of pipelines in the cylinder body with sealed two ends, one group of pipelines is used for exchanging heat with a refrigerant and reducing the temperature, and the other group of pipelines is used for removing impurities and draining water, so that the freezing and drying effects are ensured. The air current of this kind of freezing formula drying cylinder of prior art, its two sets of pipelines is one-way, and it is internal that the admission gets into the barrel, in proper order through refrigeration pipeline and refrigerant heat transfer cooling, carries out drainage and edulcoration through edulcoration water drainage pipe way again to provide low temperature and purer air, so that the use of follow-up process. In the prior art, due to the unidirectional flow of air, the refrigerated air can carry water and impurities to flow out, and an independent filtering device is required to be arranged, so that the whole production process becomes complicated, and the energy consumption is increased.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present application is to provide a freeze drying system with a blowdown capability, which has an advantage of sufficiently discharging blowdown to reduce moisture entrained in air, so that steam and water are sufficiently separated.
One aspect of the application provides a freeze-drying system with blowdown capability, which comprises a freeze-drying device, wherein the freeze-drying device comprises an outer cylinder, an air inlet pipe, an air outlet pipe, a precooling heat exchanger, a drying heat exchanger, a refrigerant pipe, a first blowdown valve and a second blowdown valve; the precooling heat exchanger and the drying heat exchanger are respectively arranged in the outer cylinder body, and the air inlet pipe and the air outlet pipe respectively penetrate through the outer cylinder body and are connected with the precooling heat exchanger; the refrigerant pipe is arranged in the drying heat exchanger, and an inlet and an outlet of the refrigerant pipe penetrate through the outer cylinder;
one end of the tube side of the precooling heat exchanger is communicated with the air inlet pipe, the other end of the tube side of the precooling heat exchanger is communicated with one end of the drying heat exchanger, the other end of the drying heat exchanger is communicated with the shell side of the precooling heat exchanger, and the air outlet pipe is communicated with the shell side of the precooling heat exchanger;
the inlet air sequentially flows through the air inlet pipe, the precooling heat exchanger tube pass, the drying heat exchanger, the precooling heat exchanger shell pass and the air outlet pipe;
the first blowdown valve and the second blowdown valve are arranged on the outer cylinder body respectively, the first blowdown valve is communicated with the air inlet end of the drying heat exchanger, and the second blowdown valve is communicated with the air outlet end of the drying heat exchanger.
According to the freezing type drying system with the blowdown capability, moisture contained in gas flowing out of the precooling heat exchanger is removed through the first blowdown valve, and the water cannot enter the drying heat exchanger; and the water that cools off in to the drying heat exchanger through the second blowoff valve discharges to make the water and the impurity that freeze-drying device produced can fully get rid of, with the moisture content of guaranteeing the gas from freeze-drying device gas low, make things convenient for subsequent processing, and energy-conservation.
The outer cylinder is divided into a first cavity and a second cavity by the partition plate which is longitudinally arranged in the outer cylinder, the precooling heat exchanger and the drying heat exchanger are respectively communicated with the partition plate, one end of a tube side of the precooling heat exchanger is communicated with the first cavity, and one end of the drying heat exchanger is communicated with the first cavity;
a pre-drainage port communicated with the first cavity is formed in the outer cylinder body; the first drain valve is connected with the pre-drain port.
Further, a sewage draining outlet communicated with the second cavity is formed in the outer cylinder body; the second blowdown valve is connected with the blowdown port.
Further, the first blowdown valve and the second blowdown valve are automatic drain valves respectively.
Further, the first blowdown valve and the second blowdown valve are electrically operated valves respectively.
Further, the sewage treatment device also comprises a controller which is respectively electrically connected with the first sewage discharge valve and the second sewage discharge valve.
The liquid level meter further comprises a first liquid level meter and a second liquid level meter, wherein the first liquid level meter is arranged in the first cavity, and the second liquid level meter is arranged in the second cavity; the first liquid level meter and the second liquid level meter are respectively and electrically connected with the controller.
Furthermore, the freezing system is fixed above the freeze drying device and is connected with the refrigerant pipe.
Furthermore, the freezing system also comprises a fixed connecting seat, and the freezing system is arranged on the freezing and drying device through the fixed connecting seat.
Further, the filter assembly comprises an air inlet filter cylinder and an air outlet filter cylinder;
the bottom of the air inlet filter cartridge is connected with the air inlet pipe, and the bottom of the air outlet filter cartridge is connected with the air outlet pipe.
For a better understanding and practice, the present application is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic perspective view of an exemplary blowdown freeze-drying system of the present application;
FIG. 2 is a front view of an exemplary freeze-drying apparatus of the present application;
FIG. 3 is a semi-sectional view of an exemplary freeze-drying apparatus of the present application;
FIG. 4 is a semi-sectional view of an exemplary filter assembly of the present application.
Detailed Description
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application. In the description of the present application, "a plurality" means two or more unless otherwise specified.
The freezing type drying system with the blowdown capability comprises a freezing drying device 10, wherein the freezing drying device 10 comprises an outer cylinder body 11, an air inlet pipe 12, an air outlet pipe 13, a precooling heat exchanger 14, a drying heat exchanger 15, a refrigerant pipe 16, a first blowdown valve 17a and a second blowdown valve 17 b; the pre-cooling heat exchanger 14 and the drying heat exchanger 15 are respectively arranged in the outer cylinder 11, and the air inlet pipe 12 and the air outlet pipe 13 respectively penetrate through the outer cylinder 11 and are connected with the pre-cooling heat exchanger 14; the refrigerant pipe 16 is arranged inside the drying heat exchanger 15, and an inlet and an outlet of the refrigerant pipe penetrate through the outer cylinder 11;
one end of the tube side of the pre-cooling heat exchanger 14 is communicated with the air inlet pipe 12, the other end of the tube side of the pre-cooling heat exchanger 14 is communicated with one end of the drying heat exchanger 15, the other end of the drying heat exchanger 15 is communicated with the shell side of the pre-cooling heat exchanger 14, and the air outlet pipe 13 is communicated with the shell side of the pre-cooling heat exchanger 14;
the inlet air sequentially flows through the air inlet pipe 12, the tube side of the pre-cooling heat exchanger 14, the drying heat exchanger 15, the shell side of the pre-cooling heat exchanger 14 and the air outlet pipe 13;
the first blowdown valve 17a and the second blowdown valve 17b are arranged on the outer cylinder body 11 respectively, the first blowdown valve 17a is communicated with the air inlet end of the drying heat exchanger 15, and the second blowdown valve 17b is communicated with the air outlet end of the drying heat exchanger 15.
In some preferred embodiments, the heat exchanger further comprises a partition plate 18, the partition plate 18 is longitudinally arranged in the outer cylinder 11, so that the outer cylinder 11 is divided into a first cavity M and a second cavity N, the pre-cooling heat exchanger 14 and the drying heat exchanger 15 respectively penetrate through the partition plate 18, one end of a tube side of the pre-cooling heat exchanger 14 is communicated with the first cavity M, and one end of the drying heat exchanger 15 is communicated with the first cavity M;
a pre-drainage port communicated with the first cavity M is formed in the outer barrel body 11; the first drain valve 17a is connected to the preliminary drain port.
In some preferred embodiments, a sewage draining outlet communicated with the second cavity N is formed on the outer cylinder 11; the second soil exhaust valve 17b is connected with the soil exhaust port.
In some preferred embodiments, the first and second soil exhaust valves 17a and 17b are automatic water exhaust valves, respectively. Through the automatic drain valve, there is catchment at the connecting line department of drain outlet or drain valve, can automatic drainage, realizes steam-water separation. This is an active draining and separating means.
In other preferred embodiments, the first and second blow-off valves 17a and 17b are electrically operated valves, respectively.
In some further embodiments, a controller (not shown) is further included, and the controller is electrically connected to the first and second waste valves 17a and 17b, respectively. Through setting up the motorised valve to through controller control, combine the level gauge, discharge the water in first cavity and the second cavity under control. This is a passive drainage and separation approach.
In some further embodiments, the liquid level measuring device further comprises a first liquid level meter (not shown) and a second liquid level meter (not shown), wherein the first liquid level meter is arranged in the first cavity M, and the second liquid level meter is arranged in the second cavity N; the first liquid level meter and the second liquid level meter are respectively and electrically connected with the controller.
In some preferred embodiments, the pre-cooling heat exchanger 14 includes a shell-and-tube heat exchanger and a first baffle plate 141, and a plurality of the first baffle plates 141 are respectively disposed in a staggered manner in the shell-and-tube heat exchanger;
the air inlet pipe 12 is connected with one end of the tube side of the shell-and-tube heat exchanger, and the air outlet pipe 13 is connected with one end of the shell side of the shell-and-tube heat exchanger.
In some preferred embodiments, the drying heat exchanger 15 includes a heat exchanger cylinder and second baffle plates 151, and the second baffle plates 151 are respectively staggered in the heat exchanger cylinder;
the refrigerant pipe 16 is disposed in the heat exchanger cylinder.
In some preferred embodiments, the freeze-drying device 10 further comprises a base 19, wherein the base 19 is arranged on the outer wall of the outer cylinder 11. In some preferred embodiments, the base comprises a water storage pipe and a support frame, the water storage pipe is mounted on the support frame, is connected with the outer cylinder of the freeze-drying device 10 and is communicated with the first blowdown valve and the second blowdown valve, so that water in the first cavity and water in the second cavity respectively flow into the water storage pipe and are collected in the water storage pipe, a steam-water separator is mounted on the water storage pipe, water in the water storage pipe is discharged through the steam-water separator, and gas is stored in the system. In the scheme, the base not only serves as a support, but also has the effects of storing water and buffering.
In some preferred embodiments, the freezing system 40 is further included, the freezing system 40 is fixed above the freeze-drying device 10, and an inlet of the freezing system 40 is connected to the air outlet pipe 13 and to the refrigerant pipe 16.
In some preferred embodiments, a permanent connection socket 50 is further included, and the refrigeration system 40 is mounted on the freeze-drying device 10 through the permanent connection socket 50.
In some preferred embodiments, a filter assembly is also included, including an inlet filter cartridge 20 and an outlet filter cartridge 30;
the bottom end of the air inlet filter cylinder 20 is connected with the air inlet pipe 12, the bottom end of the air outlet filter cylinder 30 is connected with the air outlet pipe 13, and the outlet of the air outlet filter cylinder 30 is connected with the inlet of the refrigerating system 40.
In some further embodiments, the intake filter cartridge 20 includes a first filter cylinder 21, a first intake pipe 22, a first outlet pipe 23, a first filter element 24 and a first partition plate 25, the first partition plate 25 is transversely disposed in the first filter cylinder 21 and divides the inner cavity of the first filter cylinder 21, the first intake pipe 22 is disposed on the side wall of the first filter cylinder 21 and above the first partition plate 25, the first outlet pipe 23 is disposed at the bottom of the first filter cylinder 21, and the first filter element 24 is longitudinally disposed in the first filter cylinder 21 and has one end penetrating through the first partition plate 25.
In some further embodiments, the outlet filter cartridge 30 includes a second filter cylinder 31, a second inlet pipe 32, a second outlet pipe 33, a second filter element 34, a second partition plate 35 and a longitudinal partition plate 36, the longitudinal partition plate 36 is longitudinally disposed in the second filter cylinder 31, the second partition plate 35 is fixedly connected to the bottom end of the longitudinal partition plate 36 and transversely disposed in the second filter cylinder 31, and the longitudinal partition plate 36 and the second partition plate 35 jointly divide the inner cavity of the second filter cylinder 31; the second filter element 34 is arranged in the second filtering cylinder 31 and is arranged on one side of the second clapboard 35, the second air inlet pipe 32 is arranged at the bottom of the second filtering cylinder 31, and the second air outlet pipe 33 is arranged on the side wall of the second filtering cylinder 31 and is arranged on one side of the second filter element 34.
In some further embodiments, the inlet filter cartridge 20 further comprises a baffle 26, the baffle 26 being disposed longitudinally within the first filter cartridge body 21 and facing the mouth of the first inlet conduit 22.
In some further embodiments, the outlet filter cartridge 30 further comprises a third partition plate 37, the third partition plate 37 is disposed between the longitudinal partition plate 36 and the inner wall of the second filter cylinder 31, and the third partition plate 37 is located above the second outlet pipe 33; one end of the second filter element 34 penetrates and is fixed to the third separator 37.
The working principle of the freezing type drying system with the sewage discharge capacity is as follows:
the fresh inlet air flows through the inlet air filter cartridge 20 and then enters the freeze-drying device 10, and in the freeze-drying device 10, the fresh inlet air sequentially flows through the inlet pipe 12, the tube side of the pre-cooling heat exchanger 14, the first cavity M, the drying heat exchanger 15, the second cavity N, the shell side of the pre-cooling heat exchanger 14, and finally flows out of the outlet pipe 13. The cooling of the fresh air in the pre-cooling heat exchanger 14 causes a portion of the water and impurities to settle, and the settled water and impurities enter the first chamber M, and are discharged from a first blow-off valve 17a communicating with the first chamber M. After the air forcibly cooled in the drying heat exchanger 15 exchanges heat with the refrigerant pipe 16, a large amount of water and impurities are collected and collected in the second chamber N, and at this time, the air is discharged through the second blowoff valve 17b communicated with the second chamber N. In this way, both the water and impurities collected in the first and second chambers M and N can be discharged. So that the cooling and drying effect of the air is good and the quality of the air discharged from the freeze-drying device 10 is better.
The dried air from the freeze-drying apparatus 10 enters the outlet filter cartridge 30, is dried again in the outlet filter cartridge 30, and finally the dried air enters an air compressor (not shown). The air entering the air compressor at this time is sufficiently dry, so that the energy consumed by compressing the air is greatly reduced, a good energy-saving effect is achieved, and the energy consumption of the whole system is reduced. Moreover, two filter cartridges and the air compressor machine all set up on freeze-drying device 10 for entire system's occupation space is few, and area is little.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.
Claims (10)
1. A freeze drying system having blowdown capability, characterized by: the device comprises a freeze drying device, wherein the freeze drying device comprises an outer cylinder body, an air inlet pipe, an air outlet pipe, a precooling heat exchanger, a drying heat exchanger, a refrigerant pipe, a first blow-down valve and a second blow-down valve; the precooling heat exchanger and the drying heat exchanger are respectively arranged in the outer cylinder body, and the air inlet pipe and the air outlet pipe respectively penetrate through the outer cylinder body and are connected with the precooling heat exchanger; the refrigerant pipe is arranged in the drying heat exchanger, and an inlet and an outlet of the refrigerant pipe penetrate through the outer cylinder;
one end of the tube side of the precooling heat exchanger is communicated with the air inlet pipe, the other end of the tube side of the precooling heat exchanger is communicated with one end of the drying heat exchanger, the other end of the drying heat exchanger is communicated with the shell side of the precooling heat exchanger, and the air outlet pipe is communicated with the shell side of the precooling heat exchanger;
the inlet air sequentially flows through the air inlet pipe, the precooling heat exchanger tube pass, the drying heat exchanger, the precooling heat exchanger shell pass and the air outlet pipe;
the first blowdown valve and the second blowdown valve are arranged on the outer cylinder body respectively, the first blowdown valve is communicated with the air inlet end of the drying heat exchanger, and the second blowdown valve is communicated with the air outlet end of the drying heat exchanger.
2. A freeze dryer system with blowdown capability as claimed in claim 1, wherein: the outer cylinder is divided into a second cavity and a first cavity by the partition plate which is longitudinally arranged in the outer cylinder, the precooling heat exchanger and the drying heat exchanger are respectively communicated with the partition plate, one end of a tube pass of the precooling heat exchanger is communicated with the first cavity, and one end of the drying heat exchanger is communicated with the first cavity;
a pre-drainage port communicated with the first cavity is formed in the outer cylinder body; the first drain valve is connected with the pre-drain port.
3. A freeze dryer system with blowdown capability as claimed in claim 2, wherein: a sewage discharge outlet communicated with the second cavity is formed in the outer cylinder body; the second blowdown valve is connected with the blowdown port.
4. A freeze dryer system with blowdown capability as claimed in claim 3, wherein: the first blowdown valve and the second blowdown valve are automatic drain valves respectively.
5. A freeze dryer system with blowdown capability as claimed in claim 3, wherein: the first blowdown valve and the second blowdown valve are electrically operated valves respectively.
6. A freeze dryer system with blowdown capability as claimed in claim 5, wherein: the sewage treatment device also comprises a controller which is respectively electrically connected with the first sewage draining valve and the second sewage draining valve.
7. A freeze dryer system with blowdown capability as claimed in claim 6, wherein: the liquid level meter comprises a first liquid level meter and a second liquid level meter, wherein the first liquid level meter is arranged in the first cavity, and the second liquid level meter is arranged in the second cavity; the first liquid level meter and the second liquid level meter are respectively and electrically connected with the controller.
8. A freeze drying system with blowdown capability according to any one of claims 1 to 7, wherein: the freezing system is fixed above the freezing and drying device and is connected with the refrigerant pipe.
9. A freeze dryer system with blowdown capability as claimed in claim 8, wherein: the freezing system is arranged on the freezing and drying device through the fixed connecting seat.
10. A freeze dryer system with blowdown capability as claimed in claim 8, wherein: the filter assembly comprises an air inlet filter cartridge and an air outlet filter cartridge;
the bottom of the air inlet filter cartridge is connected with the air inlet pipe, and the bottom of the air outlet filter cartridge is connected with the air outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020095181.1U CN212236652U (en) | 2020-01-16 | 2020-01-16 | Freeze drying system with blowdown ability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020095181.1U CN212236652U (en) | 2020-01-16 | 2020-01-16 | Freeze drying system with blowdown ability |
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| Publication Number | Publication Date |
|---|---|
| CN212236652U true CN212236652U (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020095181.1U Active CN212236652U (en) | 2020-01-16 | 2020-01-16 | Freeze drying system with blowdown ability |
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|---|---|
| CN (1) | CN212236652U (en) |
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2020
- 2020-01-16 CN CN202020095181.1U patent/CN212236652U/en active Active
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