Device for reducing water content of compressed air prepared by air compressor

Abstract

The utility model discloses a device for reducing water content of compressed air prepared by an air compressor, which relates to the field of industrial chemical industry and comprises a first dryer, a second dryer, a first air delivery pipe and a second air delivery pipe. The air inlet end of the second dryer is connected with the first air conveying pipe through a second air conveying pipe, the first air conveying pipe is provided with a first hand valve, the air inlet end of the first dryer is provided with a second hand valve, the second air conveying pipe is provided with a third hand valve, and the air inlet end of the second dryer is provided with a fifth hand valve. The second drying machine is connected with an external device through a second air outlet pipe, and a seventh hand valve is arranged at the air outlet end of the second air outlet pipe. The double-stage dryer has a double-stage dryer structure, can realize series operation, parallel operation or independent operation, and is used for solving the problem that compressed air used by an automatic valve contains more moisture.

Description

Technical Field

[0001] The utility model relates to the field of industrial chemical industry, in particular to a device for reducing the water content of compressed air prepared by an air compressor. Background Art

[0002] PVC production is highly automated, so a large number of automatic valves are used. These valves require instrument air. Common instrument air sources include nitrogen and compressed air. However, nitrogen is more expensive, so compressed air is more cost-effective. However, air contains moisture, and high moisture content in compressed air can affect the performance and service life of automatic valves. Therefore, it is crucial to minimize the moisture content in compressed air during its preparation. Utility Model Content

[0003] In response to the above problems, the utility model provides a device for reducing the water content in compressed air prepared by an air compressor. The device has a two-stage dryer structure and can be operated in series, in parallel or individually. It is used to solve the problem of high water content in the compressed air used by the automatic valve.

[0004] In order to achieve the above-mentioned purpose, the technical solution of the present utility model is as follows:

[0005] A device for reducing the water content of compressed air prepared by an air compressor is characterized by comprising: a No. 1 dryer, a No. 2 dryer, a No. 1 air pipe, and a No. 2 air pipe, wherein the air inlet end of the No. 1 dryer is connected to the air outlet end of the air compressor via the No. 1 air pipe, the air inlet end of the No. 2 dryer is connected to the No. 1 air pipe via the No. 2 air pipe, a No. 1 hand valve is provided on the No. 1 air pipe, a No. 2 hand valve is provided on the No. 1 air pipe, a No. 3 hand valve is provided on the No. 2 air pipe, a No. 5 hand valve is provided on the air inlet end of the No. 2 dryer, the No. 1 dryer is connected to an external device via the No. 1 air outlet pipe, a No. 6 hand valve is provided at the air outlet end of the No. 1 air outlet pipe, the No. 2 dryer is connected to the external device via the No. 2 air outlet pipe, and a No. 7 hand valve is provided at the air outlet end of the No. 2 air outlet pipe.

[0006] It also includes a No. 4 manual valve and a No. 3 gas pipe. The air inlet end of the No. 3 gas pipe is connected to the air inlet end of the No. 2 dryer, the air outlet end of the No. 3 gas pipe is connected to the No. 1 outlet pipe, and a No. 4 manual valve is set on the No. 3 gas pipe.

[0007] The beneficial effects of the utility model are:

[0008] (1) The utility model adopts a two-stage dryer structure, in which the first-stage dryer serves as the main drying unit and the second-stage dryer serves as the auxiliary drying unit, which work together to reduce the moisture content of the compressed air. The two sets of dryers are operated in parallel by opening the No. 1 hand valve 1, the No. 2 hand valve 2, the No. 3 hand valve 3, the No. 5 hand valve 5, the No. 6 hand valve 6, and the No. 7 hand valve 7, and closing the No. 4 hand valve 4.

[0009] (2) When the present invention is used, open the No. 1 hand valve, No. 2 hand valve, No. 4 hand valve, No. 5 hand valve, No. 7 hand valve, and close the No. 3 hand valve and No. 6 hand valve to allow two sets of dryers to operate in series; open the No. 1 hand valve, No. 2 hand valve, No. 6 hand valve, and close the No. 3 hand valve, No. 4 hand valve, No. 5 hand valve, and No. 7 hand valve to allow the No. 1 dryer to operate alone; open the No. 1 hand valve, No. 3 hand valve, No. 5 hand valve, No. 7 hand valve, and close the No. 2 hand valve, No. 4 hand valve, and No. 6 hand valve to allow the No. 2 dryer to operate alone, so that the dryers can be operated in series, in parallel, or individually. Users can flexibly adjust the operating mode of the dryer according to actual needs to facilitate inspection and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural diagram of the utility model;

[0011] Figure 2 It is a partial schematic diagram of the utility model.

[0012] Figure numerals: manual valve No. 1 1, manual valve No. 2 2, manual valve No. 3 3, manual valve No. 4 4, manual valve No. 5 5, manual valve No. 6 6, manual valve No. 7 7, air compressor 8, air outlet pipe No. 1 9, air outlet pipe No. 2 10, air supply pipe No. 1 11, air supply pipe No. 2 12, air supply pipe No. 3 13, dryer No. 1 14, dryer No. 2 15. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0014] like Figure 1 、 Figure 2 As shown, a device for reducing the water content of compressed air prepared by an air compressor is characterized in that it includes: a No. 1 dryer 14, a No. 2 dryer 15, a No. 1 air pipe 11, and a No. 2 air pipe 12, the air inlet end of the No. 1 dryer 14 is connected to the air outlet end of the air compressor 8 through the No. 1 air pipe 11, the air inlet end of the No. 2 dryer 15 is connected to the No. 1 air pipe 11 through the No. 2 air pipe 12, a No. 1 manual valve 1 is provided on the No. 1 air pipe 11, a No. 2 manual valve 2 is provided on the No. 2 air pipe 12, a No. 3 manual valve 3 is provided on the No. 2 air pipe 12, a No. 5 manual valve 5 is provided on the air inlet end of the No. 2 dryer 15, the No. 1 dryer 14 is connected to an external device through the No. 1 outlet pipe 9, the No. 6 manual valve 6 is provided at the outlet end of the No. 1 outlet pipe 9, the No. 2 dryer 15 is connected to an external device through the No. 2 outlet pipe 10, and the No. 7 manual valve 7 is provided at the outlet end of the No. 2 outlet pipe 10.

[0015] like Figure 1 As shown, the No. 4 manual valve 4 and the No. 3 gas pipe 13, the air inlet end of the No. 3 gas pipe 13 is connected to the air inlet end of the No. 2 dryer 15, the air outlet end of the No. 3 gas pipe 13 is connected to the No. 1 outlet pipe 9, and the No. 4 manual valve 4 is set on the No. 3 gas pipe 13.

[0016] When the utility model is used, a two-stage dryer structure is adopted, in which the first-stage dryer serves as the main drying unit and the second-stage dryer serves as the auxiliary drying unit, which work together to reduce the moisture content of the compressed air. By controlling the selection of the valve, the two dryers can realize different operating modes, thereby achieving the purpose of optimizing the drying effect.

[0017] Open hand valve No. 1 1, hand valve No. 2 2, hand valve No. 3 3, hand valve No. 5 5, hand valve No. 6 6, and hand valve No. 7 7, and close hand valve No. 4 4 to run the two dryers in parallel; open hand valve No. 1 1, hand valve No. 2 2, hand valve No. 4 4, hand valve No. 5 5, hand valve No. 7 7, and close hand valve No. 3 3, hand valve No. 6 6 to run the two dryers in series; open hand valve No. 1 1, hand valve No. 2 2, hand valve No. 6 6, and close hand valve No. 3 3, hand valve No. 4 4, hand valve No. 5 5, and hand valve No. 7 7 to run dryer No. 14 alone; open hand valve No. 1 1, hand valve No. 3 3, hand valve No. 5 5, hand valve No. 7 7, and close hand valve No. 2 2, hand valve No. 4 4, and hand valve No. 6 to run dryer No. 2 15 alone. The dryers can be operated in series, in parallel, or alone. Users can flexibly adjust the operating mode of the dryer according to actual needs to facilitate inspection and maintenance.

[0018] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A device for reducing the water content of compressed air produced by an air compressor, characterized in that: The invention comprises a No. 1 dryer (14), a No. 2 dryer (15), a No. 1 air pipe (11), and a No. 2 air pipe (12). The air inlet of the No. 1 dryer (14) is connected to the air outlet of the air compressor (8) through the No. 1 air pipe (11). The air inlet of the No. 2 dryer (15) is connected to the No. 1 air pipe (11) through the No. 2 air pipe (12). A No. 1 hand valve (1) is provided on the No. 1 air pipe (11). The air inlet of the No. 1 dryer (14) is provided with a No. 1 hand valve (1). A No. 2 hand valve (2) is provided, a No. 3 hand valve (3) is provided on the No. 2 gas transmission pipe (12), a No. 5 hand valve (5) is provided at the air inlet end of the No. 2 dryer (15), the No. 1 dryer (14) is connected to an external device through the No. 1 air outlet pipe (9), a No. 6 hand valve (6) is provided at the air outlet end of the No. 1 air outlet pipe (9), the No. 2 dryer (15) is connected to an external device through the No. 2 air outlet pipe (10), and a No. 7 hand valve (7) is provided at the air outlet end of the No. 2 air outlet pipe (10).

2. The device for reducing the water content of compressed air produced by an air compressor according to claim 1, characterized in that: It also includes a No. 4 hand valve (4) and a No. 3 gas pipe (13), wherein the air inlet end of the No. 3 gas pipe (13) is connected to the air inlet end of the No. 2 dryer (15), and the air outlet end of the No. 3 gas pipe (13) is connected to the No. 1 air outlet pipe (9), and the No. 4 hand valve (4) is provided on the No. 3 gas pipe (13).

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