CN215086053U - Compressed air dryer - Google Patents
Compressed air dryer Download PDFInfo
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- CN215086053U CN215086053U CN202121407720.1U CN202121407720U CN215086053U CN 215086053 U CN215086053 U CN 215086053U CN 202121407720 U CN202121407720 U CN 202121407720U CN 215086053 U CN215086053 U CN 215086053U
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- evaporator
- refrigerant
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Abstract
The utility model provides a compressed air dryer, which comprises a precooler, an evaporator, a compressor, an air condenser, a water condenser, an ice storage barrel, a chilled water pump and an air-water separator, wherein the precooler is communicated with an air inlet of the evaporator, an air outlet of the evaporator is connected with an air-water separator, and the air-water separator is connected with the precooler; the outlet of the compressor is connected with the liquid inlet of the evaporator through a main refrigerant pipe, the liquid outlet of the evaporator is connected with the inlet of the water condenser, and the outlet of the water condenser is communicated with the inlet of the compressor through the air condenser; the inside coil pipe that is equipped with of ice storage bucket, the coil pipe import is responsible for with the refrigerant through refrigerant branch pipe and is linked to each other, and the coil pipe export links to each other with the air condenser, and the coil pipe that the ice storage bucket export was passed through in frozen water pump and the water condenser links to each other. The utility model discloses a set up the ice storage bucket, draw the refrigerated water in the ice storage bucket to the water condenser in, carry out the rapid evaporation heat dissipation to the refrigerant to the drying effect and the drying rate of desiccator have been improved.
Description
Technical Field
The utility model relates to a desiccator technical field particularly, relates to a compressed air desiccator.
Background
The existing dryers on the market are divided into a freezing type compressed air dryer and an adsorption type compressed air dryer, wherein the freezing type compressed air dryer utilizes the principle of cooling air and reducing air temperature to separate out moisture in wet air from air after condensation to obtain drier air. The adsorption type compressed air dryer utilizes the principle of pressure swing adsorption, and when wet air passes through the adsorbent, moisture is adsorbed by the adsorbent to obtain dry air.
However, the existing refrigeration type compressed air dryer has poor cooling effect in the using process, so that the compressed air drying effect is poor, and the using cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compressed air drying machine has solved the problem that among the prior art air drying machine drying effect is not good, use cost is high.
In order to solve the technical problem, the utility model discloses a technical scheme is: a compressed air dryer comprises a precooler, an evaporator, a compressor, an air condenser, a water condenser, an ice storage barrel, a chilled water pump and a gas-water separator, wherein the precooler is communicated with an air inlet of the evaporator, an air outlet of the evaporator is connected with the gas-water separator, and the gas-water separator is connected with the precooler; the outlet of the compressor is connected with the liquid inlet of the evaporator through a main refrigerant pipe, the liquid outlet of the evaporator is connected with the inlet of the water condenser, and the outlet of the water condenser is communicated with the inlet of the compressor through the air condenser; the device comprises an ice storage barrel and is characterized in that a coil pipe is arranged in the ice storage barrel, the inlet of the coil pipe is connected with a main refrigerant pipe through a refrigerant branch pipe, the outlet of the coil pipe is connected with an air condenser, and the outlet of the ice storage barrel is connected with the coil pipe in a water condenser through a chilled water pump.
Preferably, a drying filter is arranged on a pipeline between the liquid outlet of the evaporator and the inlet of the water condenser, and a thermostatic expansion valve and a first electromagnetic valve are respectively arranged at two ends of the drying filter.
Preferably, the main refrigerant pipe and the branch refrigerant pipe are respectively provided with a second electromagnetic valve and a third electromagnetic valve for controlling the on-off of the pipeline.
Preferably, a gas-liquid separator is arranged on a refrigerant main pipe between the evaporator and the compressor and used for separating gas in the refrigerant.
Preferably, a thermal bypass valve is arranged on a pipeline between the main refrigerant pipe and the inlet of the compressor.
As a preferred scheme, the bottom end part of the gas-water separator is provided with an automatic drain valve.
Compared with the prior art, the beneficial effects of the utility model include: by arranging the precooler, the compressed air containing moisture in the precooler exchanges heat with the dried compressed air, so that the saturation temperature of the compressed air containing moisture is reduced, and the dried compressed air is discharged after entering the precooler at normal temperature, thereby effectively preventing the condensation phenomenon of an outlet pipeline of the precooler. The ice storage barrel is additionally arranged, the ice storage barrel is connected with the refrigerant main pipe through the refrigerant branch pipe, the second electromagnetic valve is closed when the dryer does not work, the third electromagnetic valve is opened, the refrigerant flows into the coil pipe of the ice storage barrel, and the water in the ice storage barrel is cooled. During operation, open the second solenoid valve, close the third solenoid valve to start the frozen water pump, with the refrigerated water pumping in the ice-storage bucket to the water condenser in, carry out the rapid evaporation heat dissipation to the refrigerant, thereby improved the drying effect and the drying rate of desiccator.
Drawings
The disclosure of the present invention is explained with reference to the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:
fig. 1 is a schematic structural view of a compressed air dryer according to an embodiment of the present invention.
Reference numbers in the figures: 1 precooler, 1a precooler inlet, 1b precooler outlet, 2 evaporator, 3 gas-liquid separator, 4 compressor, 5 air condenser, 6 water condenser, 7 ice storage barrel, 8 gas-water separator, 9 first electromagnetic valve, 10 drying filter, 11 thermal expansion valve, 12 second electromagnetic valve, 13 third electromagnetic valve, 14 thermal bypass valve, 15 chilled water pump, 16 automatic drain valve, 17 main refrigerant pipe and 18 branch refrigerant pipe.
Detailed Description
It is easily understood that, according to the technical solution of the present invention, a plurality of alternative structural modes and implementation modes can be proposed by those skilled in the art without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.
An embodiment according to the present invention is shown in conjunction with fig. 1. A compressed air dryer comprises a precooler 1, an evaporator 2, a compressor 4, an air condenser 5, a water condenser 6, an ice storage barrel 7, a chilled water pump 15 and a gas-water separator 8, wherein the precooler 1 is communicated with an air inlet of the evaporator 2, an air outlet of the evaporator 2 is connected with the gas-water separator 8, an air outlet of the gas-water separator 8 is connected with the precooler 1, and an automatic drain valve 16 is arranged at the bottom end of the gas-water separator 8.
When in use, the compressed air containing moisture enters the precooler 1 from the inlet 1a of the precooler, then exchanges heat with the dried compressed air to reduce the saturation temperature of the compressed air containing moisture, then enters the evaporator 2 to cool the compressed air to the pressure dew point, and then enters the gas-water separator 8 to carry out gas-water separation, and the moisture is discharged through the automatic drain valve 16. The dried compressed air enters the precooler 1 at normal temperature and then is discharged from the outlet 1b of the precooler, thereby effectively preventing the condensation phenomenon of the pipeline at the outlet 1b of the precooler.
The outlet of the compressor 4 is connected with the liquid inlet of the evaporator 2 through a refrigerant main pipe 17, the liquid outlet of the evaporator 2 is connected with the inlet of the water condenser 6, and the outlet of the water condenser 6 is communicated with the inlet of the compressor 4 through the air condenser 5. A drying filter 10 is arranged on a pipeline between the liquid outlet of the evaporator 2 and the inlet of the water condenser 6 and used for filtering impurities in the refrigerant, a thermostatic expansion valve 11 and a first electromagnetic valve 9 are respectively arranged at two ends of the drying filter 10, and the thermostatic expansion valve 11 is used for controlling the opening of the valve according to the superheat degree of the refrigerant.
Further, a gas-liquid separator 3 for separating gas from the refrigerant is provided in the refrigerant main pipe 17 between the evaporator 2 and the compressor 4.
In this embodiment, a coil is arranged inside the ice storage barrel 7, an inlet of the coil is connected with a main refrigerant pipe 17 through a branch refrigerant pipe 18, an outlet of the coil is connected with the air condenser 5, and an outlet of the ice storage barrel 7 is connected with the coil in the water condenser 6 through a chilled water pump 15.
The refrigerant main pipe 17 and the refrigerant branch pipe 18 are respectively provided with a second electromagnetic valve 12 and a third electromagnetic valve 13 for controlling the on-off of the pipelines. When the dryer does not work, the second electromagnetic valve 12 is closed, the third electromagnetic valve 13 is opened, so that the refrigerant flows into the coil pipe of the ice storage barrel 7, and the temperature of the water in the ice storage barrel 7 is reduced. During operation, the second electromagnetic valve 12 is opened, the third electromagnetic valve 13 is closed, the chilled water pump 15 is started, chilled water in the ice storage barrel 7 is pumped into the water condenser 6, and rapid evaporation and heat dissipation are carried out on the refrigerant, so that the drying effect and the drying speed of the dryer are improved. The ice storage barrel 7 can be refrigerated in advance by using the idle low electricity price, and the operation cost is reduced.
A thermal bypass valve 14 is arranged on a pipeline between the refrigerant main pipe 17 and the inlet of the compressor 4 and used for adjusting the refrigerating capacity of the compressor 4 to be adaptive to the load of the evaporator 2.
To sum up, the beneficial effects of the utility model include: by arranging the precooler 1, the compressed air containing moisture in the precooler 1 exchanges heat with the dried compressed air, so that the saturation temperature of the compressed air is reduced, the dried compressed air enters the precooler 1 and is discharged at normal temperature, and the condensation phenomenon of a pipeline at the outlet 1b of the precooler is effectively prevented. An ice storage barrel 7 is added, the ice storage barrel 7 is connected with a main refrigerant pipe 17 through a branch refrigerant pipe 18, when the dryer does not work, the second electromagnetic valve 12 is closed, the third electromagnetic valve 13 is opened, refrigerant flows into a coil pipe of the ice storage barrel 7, and the water in the ice storage barrel 7 is cooled and made ice. During operation, the second electromagnetic valve 12 is opened, the third electromagnetic valve 13 is closed, the chilled water pump 15 is started, chilled water in the ice storage barrel 7 is pumped into the water condenser 6, and rapid evaporation and heat dissipation are carried out on the refrigerant, so that the drying effect and the drying speed of the dryer are improved.
The technical scope of the present invention is not limited to the content in the above description, and those skilled in the art can make various modifications and alterations to the above embodiments without departing from the technical spirit of the present invention, and these modifications and alterations should fall within the protection scope of the present invention.
Claims (6)
1. A compressed air dryer is characterized by comprising a precooler, an evaporator, a compressor, an air condenser, a water condenser, an ice storage barrel, a chilled water pump and an air-water separator, wherein the precooler is communicated with an air inlet of the evaporator, an air outlet of the evaporator is connected with the air-water separator, and the air-water separator is connected with the precooler;
the outlet of the compressor is connected with the liquid inlet of the evaporator through a main refrigerant pipe, the liquid outlet of the evaporator is connected with the inlet of the water condenser, and the outlet of the water condenser is communicated with the inlet of the compressor through the air condenser;
the device comprises an ice storage barrel and is characterized in that a coil pipe is arranged in the ice storage barrel, the inlet of the coil pipe is connected with a main refrigerant pipe through a refrigerant branch pipe, the outlet of the coil pipe is connected with an air condenser, and the outlet of the ice storage barrel is connected with the coil pipe in a water condenser through a chilled water pump.
2. The compressed air dryer as claimed in claim 1, wherein a dry filter is provided on a pipe between the liquid outlet of the evaporator and the inlet of the water condenser, and a thermostatic expansion valve and a first solenoid valve are provided at both ends of the dry filter, respectively.
3. The compressed air dryer as claimed in claim 1, wherein the refrigerant main pipe and the refrigerant branch pipe are respectively provided with a second solenoid valve and a third solenoid valve for controlling the on/off of the pipe.
4. The compressed air dryer as claimed in claim 1, wherein a gas-liquid separator is provided in a refrigerant main pipe between the evaporator and the compressor for separating gas from the refrigerant.
5. The compressed air dryer of claim 1 wherein a thermal bypass valve is provided in the conduit between the main refrigerant conduit and the compressor inlet.
6. The compressed air dryer of claim 1, wherein an automatic drain valve is provided at the bottom end of the gas-water separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121407720.1U CN215086053U (en) | 2021-06-24 | 2021-06-24 | Compressed air dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121407720.1U CN215086053U (en) | 2021-06-24 | 2021-06-24 | Compressed air dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215086053U true CN215086053U (en) | 2021-12-10 |
Family
ID=79310613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121407720.1U Active CN215086053U (en) | 2021-06-24 | 2021-06-24 | Compressed air dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215086053U (en) |
-
2021
- 2021-06-24 CN CN202121407720.1U patent/CN215086053U/en active Active
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