CN212236651U - Energy-saving freezing type drying cylinder and freezing type drying system - Google Patents

Energy-saving freezing type drying cylinder and freezing type drying system Download PDF

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Publication number
CN212236651U
CN212236651U CN202020094076.6U CN202020094076U CN212236651U CN 212236651 U CN212236651 U CN 212236651U CN 202020094076 U CN202020094076 U CN 202020094076U CN 212236651 U CN212236651 U CN 212236651U
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heat exchanger
cylinder
drying
air
energy
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CN202020094076.6U
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曾旭辉
蔡国君
曾东
禹双华
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Changsha Jiamei Intelligent Equipment Co ltd
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Changsha Jiamei Intelligent Equipment Co ltd
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Abstract

The application relates to an energy-saving freezing type drying cylinder and a freezing type drying system. The application said energy-saving freeze type drying cylinder includes: the device comprises an outer cylinder, an air inlet pipe, an air outlet pipe, a precooling heat exchanger, a drying heat exchanger and a refrigerant pipe; 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; and leading the inlet air to sequentially flow 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 application energy-saving freeze drying section of thick bamboo and freeze drying system have energy-conserving and the good advantage of drying effect.

Description

Energy-saving freezing type drying cylinder and freezing type drying system
Technical Field
The present invention relates to drying equipment, and more particularly, to an energy-saving freeze drying cylinder and a freeze drying system.
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. Such prior art freeze drying cartridges require a relatively large amount of refrigerant to achieve a given purity level and a given temperature, which is disadvantageous in terms of energy saving.
SUMMERY OF THE UTILITY MODEL
Based on this, the present application aims to provide an energy-saving freeze drying cylinder and a freeze drying system, which have the advantages of ensuring a better air drying effect and having good energy saving.
One aspect of the application provides an energy-saving freezing type drying cylinder, which comprises an outer cylinder body, an air inlet pipe, an air outlet pipe, a precooling heat exchanger, a drying heat exchanger and a refrigerant pipe; 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;
and leading the inlet air to sequentially flow 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.
Energy-saving frozen type drying cylinder, the air flows through in proper order the intake pipe precooling heat exchanger tube side drying heat exchanger precooling heat exchanger shell side follows at last the outlet duct is discharged, and whole in-process, air do not relate to pressure variation to carry out the precooling to the new air that advances through refrigerated air already, thereby make cold volume obtain recycling, reach secondary refrigeration's effect and effect, the moisture condensation in the air after the refrigeration, thereby form water droplet or rivers, the drying cylinder of discharging, thereby when guaranteeing the purity of the air after the refrigeration cooling, secondary refrigeration plays fine energy-conserving effect.
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 second cavity, and one end of the drying heat exchanger is communicated with the second cavity;
and a coarse water outlet communicated with the second cavity is formed in the outer cylinder body.
Furthermore, a sewage draining outlet communicated with the first cavity is formed in the outer barrel.
Further, the precooling heat exchanger comprises a shell-and-tube heat exchanger and first baffle plates, and the first baffle plates are respectively arranged in the shell-and-tube heat exchanger in a staggered manner;
the air inlet pipe is connected with one end of the tube side of the shell-and-tube heat exchanger, and the air outlet pipe is connected with one end of the shell side of the shell-and-tube heat exchanger.
Further, the drying heat exchanger comprises a heat exchanger cylinder and second baffle plates, and the second baffle plates are respectively arranged in the heat exchanger cylinder in a staggered manner;
the refrigerant pipe is arranged in the heat exchanger cylinder.
The heat exchanger further comprises fins, and the fins are sleeved on the refrigerant pipe and are arranged in the heat exchanger cylinder.
Furthermore, the single section of refrigerant pipe transversely sets up to the multistage refrigerant pipe is coiled range upon range of setting in the heat exchanger barrel.
Further, still include the base, the base setting is in outer barrel outer wall.
In another aspect of the present application, a freeze-drying system is provided, which includes a freezing system and the energy-saving freeze-drying cylinder according to any of the above aspects, wherein the freezing system is connected to the refrigerant pipe.
The energy-saving freezing type drying cylinder is characterized by further comprising a compressor and a fixed connecting seat, wherein an inlet of the compressor is connected with an air outlet pipe of the energy-saving freezing type drying cylinder; the fixed connection seat is arranged above the outer cylinder body, and the compressor is arranged on the fixed connection seat.
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 energy efficient freeze dryer cartridge of the present application;
FIG. 2 is a front view, in half section, of an exemplary energy efficient freeze dryer cartridge of the present application;
FIG. 3 is a schematic diagram of a half-section perspective view of an exemplary energy efficient freeze dryer cartridge of the present application;
fig. 4 is a schematic perspective view of an exemplary freeze-drying system 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.
Fig. 1 is a schematic perspective view of an exemplary energy-saving freeze-drying cylinder of the present application, fig. 2 is a front view of a half-section of the exemplary energy-saving freeze-drying cylinder of the present application, and fig. 3 is a schematic perspective view of a half-section of the exemplary energy-saving freeze-drying cylinder of the present application. Referring to fig. 1 to 3, an exemplary energy-saving freeze drying cylinder of the present application includes an outer cylinder 10, an air inlet pipe 21, an air outlet pipe 22, a pre-cooling heat exchanger 31, a drying heat exchanger 41, and a refrigerant pipe 51; the pre-cooling heat exchanger 31 and the drying heat exchanger 41 are respectively arranged in the outer cylinder 10, and the air inlet pipe 21 and the air outlet pipe 22 respectively penetrate through the outer cylinder 10 and are connected with the pre-cooling heat exchanger 31; the refrigerant pipe 51 is arranged inside the drying heat exchanger 41, and an inlet and an outlet of the refrigerant pipe are communicated with the outer cylinder 10;
one end of the tube side of the pre-cooling heat exchanger 31 is communicated with the air inlet pipe 21, the other end of the tube side of the pre-cooling heat exchanger 31 is communicated with one end of the drying heat exchanger 41, the other end of the drying heat exchanger 41 is communicated with the shell side of the pre-cooling heat exchanger 31, and the air outlet pipe 22 is communicated with the shell side of the pre-cooling heat exchanger 31;
so that the inlet air flows through the inlet air pipe 21, the tube side of the pre-cooling heat exchanger, the drying heat exchanger 41, the shell side of the pre-cooling heat exchanger, and the outlet air pipe 22 in sequence.
Energy-saving frozen type drying cylinder, the air flows through in proper order intake pipe 21 the tube side of precooling heat exchanger drying heat exchanger 41 the shell side of precooling heat exchanger follows at last outlet duct 22 discharges, and whole in-process, the air does not relate to pressure variation to carry out the precooling to the new air that advances through refrigerated air already, thereby make cold volume obtain recycling, reach secondary refrigeration's effect and effect, the moisture condensation in the air after the refrigeration, thereby form water droplet or rivers, the drying cylinder of discharging, thereby when guaranteeing the purity of the air after the refrigeration cooling, secondary refrigeration plays fine energy-conserving effect.
In some preferred embodiments, the heat exchanger further comprises a partition plate 70, the partition plate 70 is longitudinally arranged in the outer cylinder 10, so that the outer cylinder 10 is divided into a first cavity M and a second cavity N, the pre-cooling heat exchanger 31 and the drying heat exchanger 41 respectively penetrate through the partition plate 70, one end of a tube side of the pre-cooling heat exchanger 31 is communicated with the second cavity N, and one end of the drying heat exchanger 41 is communicated with the second cavity N;
the outer cylinder 10 is provided with a coarse water outlet 61 communicated with the second cavity N.
In some preferred embodiments, a first drain pipe connected at the coarse drain port 61;
in some preferred embodiments, a sewage outlet N communicated with the first cavity M is formed on the outer cylinder 10.
In some preferred embodiments, a second drain pipe is further included, and the second drain pipe is connected at the drain outlet N.
In some preferred embodiments, the pre-cooling heat exchanger 31 includes a shell-and-tube heat exchanger and a first baffle plate 32, and a plurality of the first baffle plates 32 are respectively arranged in the shell-and-tube heat exchanger in a staggered manner;
the air inlet pipe 21 is connected with one end of the tube side of the shell-and-tube heat exchanger, and the air outlet pipe 22 is connected with one end of the shell side of the shell-and-tube heat exchanger. The first baffle 32 is provided to increase the contact area and residence time of the shell side gas and the tube side.
In some preferred embodiments, the drying heat exchanger 41 includes a heat exchanger cylinder and second baffle plates 42, and the second baffle plates 42 are respectively staggered in the heat exchanger cylinder;
the refrigerant pipe 51 is disposed in the heat exchanger cylinder. The first baffle 32 is provided to increase the contact area and residence time between the gas in the heat exchanger 41 and the refrigerant pipe 51.
The inlet and outlet of the refrigerant pipe 51 penetrate the outer cylinder 10, and are connected to an external refrigeration system.
In some preferred embodiments, the heat exchanger further comprises fins 52, and a plurality of the fins 52 are sleeved on the refrigerant pipe 51 and are arranged in the heat exchanger cylinder.
In some preferred embodiments, a single section of the refrigerant pipe 51 is disposed transversely, and a plurality of sections of the refrigerant pipe 51 are coiled and stacked in the heat exchanger cylinder.
In some preferred embodiments, the device further comprises a base 80, and the base 80 is arranged on the outer wall of the outer cylinder 10.
In some preferred embodiments, the tube side of the pre-cooling heat exchanger 31 is sealed from the end of the connection end of the air inlet tube 21, and the connection end of the tube side thereof with the first cavity M is open.
In some preferred embodiments, the dry heat exchanger 41 is open at both ends to facilitate drainage and gas flow.
In some preferred embodiments, the outer cylinder 10 includes a cylinder body 12, a first end cap 11, a second end cap 14 and a connecting flange 13, the first end cap 11 is fixedly connected to the cylinder body 12, the second end cap 14 is connected to the cylinder body 12 through the connecting flange 13, and the first end cap 11 and the second end cap 14 are respectively fixed on two sides of the cylinder body 12.
The working principle of the energy-saving freezing type drying cylinder provided by the application is as follows:
as shown in fig. 1 to 3, in an exemplary energy-saving freeze drying cylinder of the present application, a pre-cooling heat exchanger 31 and a drying heat exchanger 41 are respectively disposed in an outer cylinder body 10; the air inlet pipe 21 penetrates through the outer cylinder 10 and is communicated with one end of the tube pass of the pre-cooling heat exchanger 31, the other end of the tube pass of the pre-cooling heat exchanger 31 is communicated with a second cavity N, and the second cavity N is also communicated with one end of the drying heat exchanger 41; a plurality of fins 52 and refrigerant pipes 51 are arranged in the drying heat exchanger 41, the plurality of sections of refrigerant pipes 51 are arranged in the drying heat exchanger 41 in a surrounding manner, so that the refrigerant pipes 51 are in a plurality of continuous S shapes in the precooling heat exchanger 31, the fins 52 are sleeved on the outer wall of the refrigerant pipes 51, and the fins 52 are arranged in parallel; the other end of the drying heat exchanger 41 is communicated with the first cavity M, one end of the shell side of the precooling heat exchanger 31 is also communicated with the first cavity M, and the communication positions of the drying heat exchanger 41 and the precooling heat exchanger 31 with the first cavity M are the same side, so that the airflow quickly enters the shell side of the precooling heat exchanger; finally, the other end of the shell side of the pre-cooling heat exchanger 31 is connected to the outlet duct 22. In addition, the partition plate 70 divides the inner cavity of the outer cylinder 10 into two chambers, wherein the first chamber M is connected with the coarse drainage port 61, and the second chamber N is connected with the drainage port N.
In the connection relationship among the above structures, the intake air of the tube side of the pre-cooling heat exchanger 31 comes from the atmosphere with a certain amount of moisture and impurities at normal temperature and normal pressure, enters the other end from one end of the tube side of the pre-cooling heat exchanger, and exchanges heat with the cooled air in the pre-cooling heat exchanger 31 for cooling the air, and the air stays in the second cavity N and discharges moisture, and the moisture contains a certain amount of impurities and can be discharged from the first water discharge port. The water can be drained manually or automatically according to the requirement. Precooled air enters the drying heat exchanger 41 from the second cavity N to contact with the refrigerant, and in the process, the contact area between the refrigerant pipe 51 and the outside is increased by the arranged fins 52, so that the heat efficiency between the precooled air and the refrigerant pipe 51 is improved, the air is cooled at the drying heat exchanger 41, and the air temperature is obviously reduced to be close to 0 ℃. Then a large amount of moisture and impurities are collected and collected at one end of the drying heat exchanger 41 and enter the bottom of the first chamber M, and the cooled air enters the upper part of the first chamber M and enters the pre-cooling heat exchanger 31 to cool the newly entered air. And discharging sewage from a sewage outlet N of the first cavity M to remove a large amount of water and impurities.
Like this, the air that flows out from outlet duct 22, the moisture content is low, and it is few to contain impurity, and the compressed air energy consumption is lower, and is easier.
Fig. 4 is a schematic perspective view of an exemplary freeze-drying system of the present application. Referring to fig. 4, an exemplary freeze-drying system of the present application includes a freezing system 90 and the energy-saving freeze-drying cylinder according to any of the above embodiments, where the freezing system 90 is connected to the refrigerant pipe 51. The high-pressure refrigerant is throttled and refrigerated through the refrigeration cycle of the refrigeration system, and the refrigeration capacity is continuously provided for the refrigerant pipe.
In some preferred embodiments, the energy-saving freeze drying cylinder further comprises a compressor (not shown) and a fixed connection seat 91, wherein an inlet of the compressor is connected with the air outlet pipe 22 of the energy-saving freeze drying cylinder; the fixing connection seat 91 is disposed above the outer cylinder 10, and the freezing system 90 is installed on the fixing connection seat 91.
The working principle of the present exemplary freeze drying system:
the air compressor is equipment for compressing and treating air, the air compressor is used for introducing air at normal temperature and normal pressure and pressurizing the air, and mechanical energy is needed to do work to increase internal energy of the air, so that the air is compressed. The air contains a large amount of moisture and particles, and the water and the particles are difficult to compress due to the properties of high density, small molecular distance and the like, so that the energy consumption of the air compressor is very high when the air compressor compresses the air. Therefore, it is necessary to dry the incoming air before the air compressor. And simultaneously, the drying of air is along with cooling down, the compression of the air of can being more convenient for the energy consumption of air compressor machine is lower, consequently, handles through freezing formula desiccator, makes the air cleaner, and low temperature, is compressed easily, and compressed air can be very energy-conserving. Compress the air through the compressor in this application, realize the effect of air compressor machine.
The exemplary refrigerated drying system of this application carries out the secondary cooling through the air to getting into in the drying cylinder to in outer barrel 10, carry out the precooling through the air after the cooling to the air of newly getting into, realized the recycle of cold volume, and reduced follow-up refrigerated load. And when cooling, remove some water and a large amount of impurity, convenient subsequent cooling treatment.
The relatively clean and low-temperature air discharged through the air outlet pipe 22 enters the compressor to be pressurized, the compressor is arranged above the energy-saving type freezing drying cylinder, the connecting pipeline is short, the integrated structure of the whole freezing drying system can be realized, and the occupied space is small.
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. An energy-saving freezing type drying cylinder is characterized in that: the device comprises an outer cylinder, an air inlet pipe, an air outlet pipe, a precooling heat exchanger, a drying heat exchanger and a refrigerant pipe; 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;
and leading the inlet air to sequentially flow 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.
2. The energy efficient freeze dryer cartridge of claim 1 wherein: 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 second cavity, and one end of the drying heat exchanger is communicated with the second cavity;
and a coarse water outlet communicated with the second cavity is formed in the outer cylinder body.
3. The energy efficient freeze dryer cartridge of claim 2 wherein: and a sewage draining outlet communicated with the first cavity is formed in the outer barrel.
4. The energy efficient freeze dryer cartridge of claim 3 wherein: the precooling heat exchanger comprises a shell-and-tube heat exchanger and first baffle plates, and the first baffle plates are respectively arranged in the shell-and-tube heat exchanger in a staggered manner;
the air inlet pipe is connected with one end of the tube side of the shell-and-tube heat exchanger, and the air outlet pipe is connected with one end of the shell side of the shell-and-tube heat exchanger.
5. The energy efficient freeze dryer cartridge of any one of claims 1-4, wherein: the drying heat exchanger comprises a heat exchanger cylinder and second baffle plates, and the second baffle plates are respectively arranged in the heat exchanger cylinder in a staggered manner;
the refrigerant pipe is arranged in the heat exchanger cylinder.
6. The energy efficient freeze dryer cartridge of claim 5 wherein: the heat exchanger also comprises fins, and a plurality of fins are sleeved on the refrigerant pipe and are arranged in the heat exchanger cylinder.
7. The energy efficient freeze dryer cartridge of claim 6 wherein: the single section refrigerant pipe transversely sets up to the multistage refrigerant pipe coils range upon range of setting in the heat exchanger barrel.
8. The energy efficient freeze dryer cartridge of any one of claims 1-4, wherein: still include the base, the base setting is in outer barrel outer wall.
9. A freeze drying system, comprising: the energy-saving freezing type drying cylinder comprises a freezing system and the energy-saving freezing type drying cylinder as claimed in any one of claims 1 to 8, wherein the freezing system is connected with the refrigerant pipe.
10. A freeze-drying system according to claim 9 wherein: the energy-saving freezing type drying cylinder is characterized by also comprising a compressor and a fixed connecting seat, wherein the inlet of the compressor is connected with the air outlet pipe of the energy-saving freezing type drying cylinder; the fixed connection seat is arranged above the outer cylinder body, and the compressor is arranged on the fixed connection seat.
CN202020094076.6U 2020-01-16 2020-01-16 Energy-saving freezing type drying cylinder and freezing type drying system Active CN212236651U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020094076.6U CN212236651U (en) 2020-01-16 2020-01-16 Energy-saving freezing type drying cylinder and freezing type drying system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020094076.6U CN212236651U (en) 2020-01-16 2020-01-16 Energy-saving freezing type drying cylinder and freezing type drying system

Publications (1)

Publication Number Publication Date
CN212236651U true CN212236651U (en) 2020-12-29

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ID=73989656

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020094076.6U Active CN212236651U (en) 2020-01-16 2020-01-16 Energy-saving freezing type drying cylinder and freezing type drying system

Country Status (1)

Country Link
CN (1) CN212236651U (en)

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