CN209976742U

CN209976742U - Air drying device for air compressor

Info

Publication number: CN209976742U
Application number: CN201920661088.XU
Authority: CN
Inventors: 魏芳
Original assignee: Sichuan Puri Sheng Technology Co Ltd
Current assignee: Sichuan Puri Sheng Technology Co Ltd
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-01-21
Anticipated expiration: 2029-05-09

Abstract

The utility model discloses an air drying device for air compressor, including the air compressor body, the inlet end intercommunication of air compressor body has female pipe, the lateral part intercommunication of female pipe has two sets of first branch pipes, and is two sets of first dry barrel and the dry barrel of second are installed through the flange to the lateral part of first branch pipe, the adsorbent layer is installed in the inside of first dry barrel and the dry barrel of second, first dry barrel and the dry barrel of second communicate respectively has the second branch pipe, and is two sets of the second branch pipe has the intake pipe through three way solenoid valve intercommunication, the filter layer is installed in the inside of first dry barrel and the dry barrel of second, the adsorbent layer includes molecular sieve layer, silica gel layer and active alumina layer, the filter layer includes filter screen, active carbon layer and cotton yarn layer. The utility model discloses an adsorbent layer and filter layer carry out the preliminary treatment to the air, avoid stained adsorbent layer, reduce compressed gas's steam content.

Description

Air drying device for air compressor

Technical Field

The utility model relates to an air compressor machine air drying technical field specifically is an air drying device for air compressor.

Background

The air compressor is a device for compressing gas, which converts the mechanical energy of a prime mover into gas pressure energy, and the air compressor is widely applied to a pneumatic system as a device for providing a gas source.

The air drying equipment that current air compressor used all dries the gas after compressing, and it is dry mainly to have adsorption type compressed air drying and condensing type compressed air drying two kinds, lacks the gas that gets into the compressor and carries out the predrying, and this just leads to follow-up consuming more energy to compressed gas's drying, influences the use, and on the other hand, before carrying out the drying to the gas that gets into the compressor, lacks the filtration to the impurity in the gas, leads to the adsorbent layer of adsorbed steam to produce stained easily, influences the use.

Disclosure of Invention

An object of the utility model is to provide an air drying device for air compressor, simple convenient gas to getting into air compressor carries out the drying, reduces follow-up compressed air drying's energy, simultaneously, filters the air, avoids stained adsorbent layer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an air drying device for an air compressor comprises an air compressor body, an adsorbent layer and a filter layer, wherein an air inlet end of the air compressor body is communicated with a female pipe, the lateral portion of the female pipe is communicated with two sets of first branch pipes, the lateral portions of the two sets of first branch pipes are respectively provided with a first drying cylinder and a second drying cylinder through flanges, the adsorbent layer is respectively arranged inside the first drying cylinder and the second drying cylinder, the first drying cylinder and the second drying cylinder are respectively communicated with a second branch pipe, the two sets of second branch pipes are communicated with an air inlet pipe through a three-way electromagnetic valve, the filter layer is respectively arranged inside the first drying cylinder and the second drying cylinder, the adsorbent layer comprises a molecular sieve layer, a silica gel layer and an active alumina layer, and the molecular sieve layer, the silica gel layer and the active alumina layer are sequentially arranged along the direction away from the first branch pipes, the filter layer includes filter screen, activated carbon layer and cotton yarn layer, filter screen, activated carbon layer and cotton yarn layer arrange along the direction of keeping away from first branch pipe in proper order.

Preferably, the middle part of the main pipe is provided with a stop valve, and a sealing ring is arranged between the main pipe and the air inlet end of the air compressor body.

Preferably, the first drying cylinder and the second drying cylinder are both hollow cylinders with the middle diameter larger than the diameters of the two ends.

Preferably, the flow meters are installed in the middle of the two groups of second branch pipes, and the two groups of second branch pipes are connected with the first drying cylinder body and the second drying cylinder body through flanges.

Preferably, the common thickness of the molecular sieve layer, the silica gel layer and the active alumina layer is 10mm-15mm, and the side parts of the molecular sieve layer and the active alumina layer are provided with frameworks.

Preferably, the common thickness of the filter screen, the activated carbon layer and the cotton yarn layer is 15mm-20mm, and the filter screen is a stainless steel filter screen.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the air compressor comprises an air compressor body, a molecular sieve layer, a silica gel layer, an active alumina layer, a silica gel layer and a silica gel layer, wherein the molecular sieve layer, the silica gel layer and the active alumina layer are arranged on the air compressor body;

2. the air that gets into first dry barrel and the dry barrel of second is filtered through filter screen, activated carbon layer and cotton yarn layer for clean air carries out the drying again, prevents the dirty adsorbent layer of impurity in the air, guarantees the effective absorption of adsorbent layer to steam.

Drawings

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

fig. 2 is a top cross-sectional view of the structure of the first drying cylinder and the second drying cylinder;

fig. 3 is an enlarged sectional view of a part of the structure of the first drying cylinder according to the present invention.

In the figure: 1. an air compressor body; 2. an adsorbent layer; 3. a filter layer; 4. a main pipe; 5. a first branch pipe; 6. a first drying cylinder; 7. a second drying cylinder; 8. a second branch pipe; 9. a three-way electromagnetic valve; 10. an air inlet pipe; 11. a molecular sieve layer; 12. a silica gel layer; 13. an activated alumina layer; 14. a filter screen; 15. an activated carbon layer; 16. a cotton yarn layer; 17. a stop valve; 18. a seal ring; 19. a flow meter; 20. and (3) a framework.

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. 1-3, the present invention provides a technical solution: an air drying device for an air compressor comprises an air compressor body 1, an adsorbent layer 2 and a filter layer 3, wherein an air inlet end of the air compressor body 1 is communicated with a main pipe 4, the side part of the main pipe 4 is communicated with two groups of first branch pipes 5, the side parts of the two groups of first branch pipes 5 are respectively provided with a first drying cylinder 6 and a second drying cylinder 7 through flanges, the adsorbent layer 2 is respectively arranged in the first drying cylinder 6 and the second drying cylinder 7, the first drying cylinder 6 and the second drying cylinder 7 are respectively communicated with a second branch pipe 8, the main pipe 4, the first branch pipes 5, the second branch pipes 8 and the air inlet pipe 10 are all stainless steel pipes, the two groups of second branch pipes 8 are communicated with an air inlet pipe 10 through a three-way electromagnetic valve 9, the three-way electromagnetic valve 9 is a FESTO series stainless steel three-way electromagnetic valve and is used for switching the communication and the cut-off of the air inlet pipe 10 with the first, the filter layer 3 is installed in the inside of first dry barrel 6 and second dry barrel 7 respectively, and the adsorbent layer 2 includes molecular sieve layer 11, silica gel layer 12 and active alumina layer 13, and molecular sieve layer 11, silica gel layer 12 and active alumina layer 13 arrange along the direction of keeping away from first branch pipe 5 in proper order, and the filter layer 3 includes filter screen 14, activated carbon layer 15 and cotton yarn layer 16, and filter screen 14, activated carbon layer 15 and cotton yarn layer 16 arrange along the direction of keeping away from first branch pipe 5 in proper order.

Specifically, the mid-mounting of female pipe 4 has stop valve 17, and is provided with sealing washer 18 between the inlet end of female pipe 4 and air compressor body 1, and stop valve 17 is used for cuting the admit air, and sealing washer 18 is used for sealing, avoids leaking the air between the inlet end of female pipe 4 and air compressor body 1.

Specifically, first dry barrel 6 and second dry barrel 7 are the hollow cylinder setting that the middle part diameter is greater than both ends diameter, and increase area of contact reaches better drying effect and filter effect.

Specifically, the flow meters 19 are installed in the middle of the two groups of second branch pipes 8, the two groups of second branch pipes 8 are connected with the first drying cylinder 6 and the second drying cylinder 7 through flanges, and the flow meters 19 are DC-1 dry gas flow meters and are used for detecting the flow rate of gas.

Specifically, the common thickness of the molecular sieve layer 11, the silica gel layer 12 and the active alumina layer 13 is 10mm-15mm, the side parts of the molecular sieve layer 11 and the active alumina layer 13 are respectively provided with a framework 20, the framework 20 is used for enhancing the strength of the molecular sieve layer 11 and the active alumina layer 13, and is convenient to fix and install, the outer edges between the molecular sieve layer 11, the silica gel layer 12 and the active alumina layer 13 are fixed through glue, the molecular sieve layer 11 is made of a molecular sieve which is an aluminosilicate compound with cubic lattices, the molecular sieve has a uniform microporous structure, the diameters of holes of the molecular sieve are uniform, the holes can absorb molecules smaller than the diameters of the holes into the holes, the moisture absorption capacity is extremely strong, the silica gel layer 12 is made of silicic acid gel, the adsorption performance of the silicic acid gel is high, the thermal stability is good, the chemical property is stable, the regeneration can be carried out after water absorption, and the water vapor is convenient to absorb, the active alumina layer 13 is made of an active alumina layer, which is a porous solid material with high dispersion degree, and has the properties of large surface area, adsorption property, surface activity, excellent thermal stability and the like.

Specifically, the common thickness of the filter screen 14, the activated carbon layer 15 and the cotton yarn layer 16 is 15mm-20mm, the filter screen 14 is a stainless steel filter screen, impurities in the air are effectively filtered, the stainless steel filter screen 14 can increase the overall strength of the filter layer 3, and the outer edges among the filter screen 14, the activated carbon layer 15 and the cotton yarn layer 16 are fixed through glue.

The working principle is as follows: when the air compressor is used, external air is sucked through the operation of the air compressor body 1, water vapor in the air is absorbed through the molecular sieve layer 11, the silica gel layer 12 and the active alumina layer 13, the water vapor content of the air entering the air compressor body 1 is reduced, the water vapor content of the air compressed by the air compressor body 1 is further reduced, the air entering the first drying cylinder 6 and the second drying cylinder 7 is filtered through the filter screen 14, the active carbon layer 15 and the cotton yarn layer 16, the clean air is dried again, the adsorbent layer 2 is prevented from being stained by impurities in the air, the effective adsorption of the adsorbent layer 2 on the water vapor is ensured, after the adsorbent layer 2 in the first drying cylinder 6 adsorbs enough water vapor, the second drying cylinder 7 is switched to operate through the three-way electromagnetic valve 9, and the adsorbent layer 2 of the first drying cylinder 6 is heated and dried by using external drying equipment, the switching operation of the first drying cylinder 6 and the second drying cylinder 7 is realized through a three-way electromagnetic valve 9.

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 an air drying device for air compressor, includes air compressor body (1), adsorbent layer (2) and filter layer (3), its characterized in that: the air compressor comprises an air compressor body (1), and is characterized in that an air inlet end of the air compressor body (1) is communicated with a main pipe (4), the side portion of the main pipe (4) is communicated with two groups of first branch pipes (5), the side portions of the two groups of first branch pipes (5) are respectively provided with a first drying cylinder (6) and a second drying cylinder (7) through flanges, an adsorbent layer (2) is respectively arranged in the first drying cylinder (6) and the second drying cylinder (7), the first drying cylinder (6) and the second drying cylinder (7) are respectively communicated with a second branch pipe (8), the two groups of second branch pipes (8) are communicated with an air inlet pipe (10) through a three-way electromagnetic valve (9), a filter layer (3) is respectively arranged in the first drying cylinder (6) and the second drying cylinder (7), and the adsorbent layer (2) comprises a molecular sieve layer (11), a silica gel layer (12) and an active alumina layer (13), the molecular sieve layer (11), the silica gel layer (12) and the activated alumina layer (13) are arranged in sequence along the direction of keeping away from the first branch pipe (5), the filter layer (3) comprises a filter screen (14), an activated carbon layer (15) and a cotton yarn layer (16), and the filter screen (14), the activated carbon layer (15) and the cotton yarn layer (16) are arranged in sequence along the direction of keeping away from the first branch pipe (5).

2. The air drying device for an air compressor according to claim 1, wherein: the middle part of the female pipe (4) is provided with a stop valve (17), and a sealing ring (18) is arranged between the female pipe (4) and the air inlet end of the air compressor body (1).

3. The air drying device for an air compressor according to claim 1, wherein: the first drying cylinder body (6) and the second drying cylinder body (7) are both hollow cylinders with the diameter of the middle part larger than that of the two ends.

4. The air drying device for an air compressor according to claim 1, wherein: and the middle parts of the second branch pipes (8) are provided with flow meters (19), and the second branch pipes (8) are connected with the first drying cylinder body (6) and the second drying cylinder body (7) through flanges.

5. The air drying device for an air compressor according to claim 1, wherein: the common thickness of the molecular sieve layer (11), the silica gel layer (12) and the active alumina layer (13) is 10-15 mm, and the side parts of the molecular sieve layer (11) and the active alumina layer (13) are provided with frameworks (20).

6. The air drying device for an air compressor according to claim 1, wherein: the common thickness of the filter screen (14), the activated carbon layer (15) and the cotton yarn layer (16) is 15-20 mm, and the filter screen (14) is a stainless steel filter screen.