CN210674728U

CN210674728U - Freezing type drying machine for air compression station

Info

Publication number: CN210674728U
Application number: CN201921419363.3U
Authority: CN
Inventors: 金侃之
Original assignee: Hangzhou Grnis Energy Saving Technology Co ltd
Current assignee: Hangzhou Grnis Energy Saving Technology Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-06-05
Anticipated expiration: 2029-08-29

Abstract

The utility model relates to an air drying equipment technical field just discloses an air compression station is with freezing dryer, including evaporimeter, compressor, the automatic drain valve has been cup jointed to one side of evaporimeter bottom is fixed, and the evaporimeter is close to the one end fixed mounting of automatic drain valve and has vapour and liquid separator, the fixed cover in bottom of vapour and liquid separator has connect the export of condensation sewage, and the fixed one end that connects at the second level precooler in top of vapour and liquid separator. The utility model discloses a set up a first order precooler and carry out preliminary precooling to the air at the front end of second level precooler for when the air enters into the second level precooler, the temperature is lower, then in the air after the second level precooler cools down once more enters into the evaporimeter, when making refrigerant and hot-air carry out cold and hot exchange, because the lower device energy consumption that makes of air temperature behind the two-stage precooling temperature reduces, practice thrift the cost, thereby improve the practicality of device.

Description

Freezing type drying machine for air compression station

Technical Field

The utility model relates to an air drying equipment technical field specifically is an air compression station uses refrigeration dryer.

Background

The quantity of water vapor in compressed air is determined by the temperature of compressed air, under the condition of keeping the pressure of the compressed air basically unchanged, the temperature of the compressed air is reduced to reduce the water vapor content in the compressed air, while the redundant water vapor can be condensed into liquid, the freeze dryer is used for drying the compressed air by using the principle and adopting the refrigeration technology, therefore, the freeze dryer is provided with a refrigeration system, the refrigeration system of the freeze dryer belongs to compression refrigeration, and consists of four basic components, namely a refrigeration compressor, a condenser, an evaporator, an expansion safety valve and the like, which are sequentially connected by pipelines to form a closed system, a refrigerant continuously circulates in the system, changes the state and exchanges heat with the compressed air and a cooling medium to obtain dried gas, and the existing freeze dryers directly suck the air into a pre-cooling device, then enters an evaporator to carry out freezing dewatering, but the energy consumption is larger, and meanwhile, the gas-liquid separator has no filtering effect, so that dust in the air is still discharged into the natural environment, and a good air purifying effect is not provided, therefore, the freezing dryer for the air compression station is provided.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an air compression station is with freezing formula desiccator possesses the precooling of air two-stage, reduces the energy consumption, and the problem that above-mentioned background art provided has been solved to air-purifying's advantage.

The utility model provides a following technical scheme: a freezing dryer for an air compression station comprises an evaporator and a refrigeration compressor, wherein an automatic drain valve is fixedly sleeved on one side of the bottom of the evaporator, a gas-liquid separator is fixedly installed at one end, close to the automatic drain valve, of the evaporator, a condensed sewage outlet is fixedly sleeved at the bottom end of the gas-liquid separator, the top end of the gas-liquid separator is fixedly sleeved at one end of a second-stage precooler, a dry air outlet is fixedly sleeved at the other end of the second-stage precooler, an air pressure gauge is fixedly sleeved at one end, close to the gas-liquid separator, of the second-stage precooler, a first-stage precooler is fixedly installed on one side of the upper surface of the second-stage precooler, an air inlet is fixedly sleeved on one side of the upper surface of the first-stage precooler, a vaporizer is fixedly installed on one side, the condenser is fixedly provided with an expansion safety valve, one end of the condenser, which is close to the expansion safety valve, is fixedly provided with a water quantity regulator, the other end of the water quantity regulator is fixedly sleeved with a cooling water outlet, one end of the condenser, which is close to the water quantity regulator, is fixedly provided with a filter, and one end of the filter is fixedly sleeved with a cooling water inlet.

The dust removing net is fixedly arranged in the inner cavity of the gas-liquid separator, is of a net structure and is completely filled in the inner cavity of the gas-liquid separator.

And carefully selecting, wherein the number of the air pressure meters is two, and the two air pressure meters are respectively arranged on the second-stage precooler and the vaporizer.

And carefully selecting, wherein the width values of the first-stage precooler, the second-stage precooler and the evaporator are equal, and the first-stage precooler, the second-stage precooler and the evaporator are sequentially arranged from top to bottom.

Preferably, the number of the air inlets is two, and the two air inlets are both arranged on the other side of the joint of the first-stage precooler and the second-stage precooler.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a set up a first order precooler and carry out preliminary precooling to the air at the front end of second level precooler for when the air enters into the second level precooler, the temperature is lower, then in the air after the second level precooler cools down once more enters into the evaporimeter, when making refrigerant and hot-air carry out cold and hot exchange, because the lower device energy consumption that makes of air temperature behind the two-stage precooling temperature reduces, practice thrift the cost, thereby improve the practicality of device.

2. The utility model discloses a set up the net that removes dust in vapour and liquid separator for when the air after the condensation enters into vapour and liquid separator, the dust granule through removing dust the net in with the condensation air intercepts, and the while is not discharged the comdenstion water also condenses on removing dust the net, makes the comdenstion water condense when the exhaust with the dust granule discharge the external world together, has guaranteed the purity of dry back air, improves the air purification degree.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the dust removing net of the utility model.

In the figure: 1. an evaporator; 2. an automatic drain valve; 3. a gas-liquid separator; 31. a dust removal net; 4. a condensed sewage outlet; 5. a second stage precooler; 6. a dry air outlet; 7. an air pressure gauge; 8. a first stage precooler; 9. an air inlet; 10. a refrigeration compressor; 11. a vaporizer; 12. a condenser; 13. an expansion safety valve; 14. a water quantity regulator; 15. a cooling water outlet; 16. a filter; 17. a cooling water inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a freezing dryer for an air compression station comprises an evaporator 1 and a refrigeration compressor 10, wherein an automatic drain valve 2 is fixedly sleeved on one side of the bottom of the evaporator 1, a gas-liquid separator 3 is fixedly installed at one end of the evaporator 1 close to the automatic drain valve 2, a dust removing net 31 is fixedly installed in the inner cavity of the gas-liquid separator 3, the dust removing net 31 is of a net structure and is completely filled in the inner cavity of the gas-liquid separator 3, the dust removing net 31 which is completely filled in the inner cavity of the gas-liquid separator 3 is arranged in the gas-liquid separator 3, so that moisture which is not condensed in air is condensed on the dust removing net 31 after condensed air enters the inner cavity of the gas-liquid separator 3, dust in the air is intercepted by the dust removing net 31 and is discharged from a condensed water outlet 4 along with condensed water, the dried air is cleaner, the practicability of the device is improved, the condensed water outlet 4, the top end of the gas-liquid separator 3 is fixedly sleeved at one end of a second-stage precooler 5, the other end of the second-stage precooler 5 is fixedly sleeved with a dry air outlet 6, one end of the second-stage precooler 5 close to the gas-liquid separator 3 is fixedly sleeved with two air pressure gauges 7, the two air pressure gauges 7 are respectively arranged on the second-stage precooler 5 and a vaporizer 11, the pressure of the key part of the device is detected by the air pressure gauge 7, so that the accurate adjustment is carried out, the safety of the device is improved, meanwhile, the pressure in the device can be monitored in real time according to the air pressure gauge 7, so that the adjustment can be carried out at the first time when the pressure changes, the reliability of the device is improved, the first-stage precooler 8 is fixedly arranged at one side of the upper surface of the second-stage precooler 5, the width values of the first-stage precooler 8, the second-stage, the positions of the first-stage precooler 8, the second-stage precooler 5 and the evaporator 1 are sequentially arranged from top to bottom, the first-stage precooler 8, the second-stage precooler 5 and the evaporator 1 are arranged in parallel, so that the inlet air is precooled sequentially through the first-stage precooler 8 and the second-stage precooler 5 and then enters the evaporator 1, the energy consumed by heat exchange is reduced, the resources are saved, meanwhile, the first-stage precooler 8 and the second-stage precooler 5 are utilized for precooling, the drying efficiency of the device is higher, the practicability of the device is improved, one side of the upper surface of the first-stage precooler 8 is fixedly sleeved with two air inlets 9, the number of the air inlets 9 is two, the two air inlets 9 are both arranged at the other side of the joint of the first-stage precooler 8 and the second-stage precooler 5, the two air inlets 9 are arranged on the first-stage precooler 8, so, promote drying efficiency, set up two air inlet 9 simultaneously and make the device operation more stable, two other air inlet 9 all set up the opposite side at first order precooler 8 and second level precooler 5 junction, it has a sufficient cooling process to have guaranteed the air, improve the practicality of device, one side fixed mounting of compressor 10 has vaporizer 11, and the opposite side fixed mounting of compressor 10 has condenser 12, fixed mounting has expansion relief valve 13 on the condenser 12, the one end fixed mounting that is close to expansion relief valve 13 of condenser 12 has water flow regulator 14, the fixed cover of the other end of water flow regulator 14 has connect cooling water outlet 15, the one end fixed mounting that is close to water flow regulator 14 of condenser 12 has filter 16, the fixed cover of the one end of filter 16 has connected cooling water inlet 17.

The working principle is as follows: when the water-cooling type air conditioner is used, firstly, the refrigeration compressor 10 is started to start refrigeration, then, a refrigerant enters the evaporator 1 through a pipeline in a circulating mode to start a cold-heat exchange cycle, meanwhile, external water-containing air enters the first-stage precooler 8 through the air inlet 9 to be primarily precooled, then, enters the second-stage precooler 5 in a circulating mode to be precooled again, then enters the evaporator 1 to be subjected to cold-heat exchange, the air temperature is rapidly reduced, water molecules are condensed into water drops to be discharged to the outside from the automatic water discharge valve 2, then, the air enters the gas-liquid separator 3, dust and non-condensed water are condensed and intercepted through the dust removal net 31 and then discharged from the condensed sewage outlet 4, and finally, after the refrigerant absorbs heat, the refrigerant returns to the condenser 12, discharges the redundant cooling water and then enters the refrigeration compressor 10.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a freeze dryer for air compression station, includes evaporimeter (1), refrigeration compressor (10), its characterized in that: an automatic drain valve (2) is fixedly sleeved on one side of the bottom of the evaporator (1), a gas-liquid separator (3) is fixedly installed at one end, close to the automatic drain valve (2), of the evaporator (1), a condensed sewage outlet (4) is fixedly sleeved at the bottom end of the gas-liquid separator (3), the top end of the gas-liquid separator (3) is fixedly sleeved at one end of a second-stage precooler (5), a dry air outlet (6) is fixedly sleeved at the other end of the second-stage precooler (5), an air pressure gauge (7) is fixedly sleeved at one end, close to the gas-liquid separator (3), of the second-stage precooler (5), a first-stage precooler (8) is fixedly installed on one side of the upper surface of the second-stage precooler (5), an air inlet (9) is fixedly sleeved on one side of the upper surface of the first-stage precooler (8), and a vaporizer (11), and the opposite side fixed mounting of compressor (10) has condenser (12), fixed mounting has expansion relief valve (13) on condenser (12), the one end fixed mounting that is close to expansion relief valve (13) of condenser (12) has water yield regulator (14), the fixed cover of the other end of water yield regulator (14) has connect cooling water export (15), the one end fixed mounting that is close to water yield regulator (14) of condenser (12) has filter (16), the fixed cover of the one end of filter (16) has connect cooling water entry (17).

2. The freezing dryer for the air compressing station as claimed in claim 1, wherein: the inner cavity of the gas-liquid separator (3) is fixedly provided with a dust removing net (31), and the dust removing net (31) is of a net structure and is completely filled in the inner cavity of the gas-liquid separator (3).

3. The freezing dryer for the air compressing station as claimed in claim 1, wherein: the number of the air pressure meters (7) is two, and the two air pressure meters (7) are respectively arranged on the second-stage precooler (5) and the vaporizer (11).

4. The freezing dryer for the air compressing station as claimed in claim 1, wherein: the width values of the first-stage precooler (8), the second-stage precooler (5) and the evaporator (1) are equal, and the first-stage precooler (8), the second-stage precooler (5) and the evaporator (1) are sequentially arranged from top to bottom.

5. The freezing dryer for the air compressing station as claimed in claim 1, wherein: the number of the air inlets (9) is two, and the two air inlets (9) are arranged on the other side of the joint of the first-stage precooler (8) and the second-stage precooler (5).