Skid-mounted casting cooler for centrifugal compressor

Abstract

The utility model discloses a skid-mounted casting cooler for a centrifugal compressor. Comprising a main cooling box, an auxiliary cooling box and a gas pipeline, the main cooling box and the auxiliary cooling box are both castings, the main cooling box and the auxiliary cooling box are skid-mounted together through fasteners, and cooler cores are arranged in the main cooling box and the auxiliary cooling box; the main cooling box serves as a first-stage cooler and a second-stage cooler and is connected with the centrifugal compressor main machine through corresponding gas pipelines, and the auxiliary cooling box serves as a third-stage cooler and is connected with the centrifugal compressor main machine through corresponding gas pipelines. Namely, the first-stage cooler, the second-stage cooler and the third-stage cooler are respectively connected with a first-stage compression cavity, a second-stage compression cavity and a third-stage compression cavity of the centrifugal compressor main machine through corresponding gas pipelines. By adopting the skid-mounted casting cooler, the overall width of the cooler can be reduced to about 2.4 m, and compared with the size of a traditional pressure container made of steel, the occupied area is greatly reduced, and transportation of a vehicle is facilitated.

Description

Technical field:

[0001] The utility model belongs to the technical field of centrifugal compressors, in particular to a skid-mounted casting cooler for a centrifugal compressor. Background technology:

[0002] 20m 3 / min-350m 3 In a dynamic centrifugal compressor with a speed of 1000 rpm, the compressor has three stages of compression, so the cooler used to cool the compressed gas must also be adapted to the three-stage compression. This cooler occupies a large area and is inconvenient to transport. How to design a cooler that occupies a small area and is easy to transport is a problem that needs to be solved.

[0003] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as an admission or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. Utility model content:

[0004] The purpose of the utility model is to provide a skid-mounted casting cooler for a centrifugal compressor, thereby overcoming the above-mentioned defects in the prior art.

[0005] To achieve the above-mentioned purpose, the present invention provides a skid-mounted casting cooler for a centrifugal compressor, comprising a main cooling box, an auxiliary cooling box, and a gas pipeline; the main cooling box and the auxiliary cooling box are both castings, and the main cooling box and the auxiliary cooling box are skidded together by fasteners, and cooler cores are provided in the main cooling box and the auxiliary cooling box; the main cooling box serves as a first-stage and second-stage cooler, and the main cooling box is connected to the centrifugal compressor main engine through corresponding gas pipelines, and the auxiliary cooling box serves as a third-stage cooler, and the auxiliary cooling box is connected to the centrifugal compressor main engine through corresponding gas pipelines, that is, the first-stage, second-stage, and third-stage coolers are respectively connected to the first-stage, second-stage, and third-stage compression chambers of the centrifugal compressor main engine through corresponding gas pipelines.

[0006] Preferably, in the technical solution, the gas pipeline includes a first-level exhaust pipe, a second-level air intake pipe, a second-level exhaust pipe, a third-level air intake pipe, and a third-level exhaust pipe. The first-level exhaust pipe is connected to the exhaust port of the first-level compression chamber of the centrifugal compressor main unit, the second-level air intake pipe is connected to the air intake port of the second-level compression chamber of the centrifugal compressor main unit, the second-level exhaust pipe is connected to the exhaust port of the second-level compression chamber of the centrifugal compressor main unit, the third-level air intake pipe is connected to the air intake port of the third-level compression chamber of the centrifugal compressor main unit, and the third-level exhaust pipe is connected to the exhaust port of the third-stage compression chamber of the centrifugal compressor main unit.

[0007] Preferably, in the technical solution, a primary cooling chamber and a secondary cooling chamber are provided in the main cooling box, the primary cooling chamber and the secondary cooling chamber are not connected to each other, cooler cores are provided in the primary cooling chamber and the secondary cooling chamber, the air inlet of the primary cooling chamber is connected to the primary exhaust pipe, the exhaust port of the primary cooling chamber is connected to the secondary air inlet pipe, the air inlet of the secondary cooling chamber is connected to the secondary exhaust pipe, and the exhaust port of the secondary cooling chamber is connected to the tertiary air inlet pipe.

[0008] Preferably, in the technical solution, a three-stage cooling cavity is provided in the auxiliary cooling box, a cooler core is provided in the three-stage cooling cavity, the air inlet of the three-stage cooling cavity is connected to the three-stage exhaust pipe, and the exhaust port of the three-stage cooling cavity is connected to the gas end through the three-stage cooler exhaust pipe.

[0009] Compared with the prior art, the present invention has the following beneficial effects:

[0010] By using a skid-mounted casting cooler, the overall width of the cooler can be reduced to about 2.4 meters. Compared with the size of traditional steel pressure vessels, it greatly reduces the footprint and facilitates vehicle transportation. Description of the drawings:

[0011] Figure 1 This is a schematic diagram of the front structure of the skid-mounted casting cooler for the practical centrifugal compressor;

[0012] Figure 2 This is a schematic diagram of the back structure of the skid-mounted casting cooler for this practical centrifugal compressor. Specific implementation method:

[0013] The specific implementation methods of the present invention are described in detail below, but it should be understood that the protection scope of the present invention is not limited by the specific implementation methods.

[0014] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations such as "include" or "comprising", etc., will be understood to include the stated elements or components but not to exclude other elements or other components.

[0015] like Figure 1-2 As shown, a skid-mounted casting cooler for a centrifugal compressor includes a main cooling box 1, an auxiliary cooling box 2, and a gas pipeline; the main cooling box 1 and the auxiliary cooling box 2 are both castings, and the main cooling box 1 and the auxiliary cooling box 2 are skid-mounted together by fasteners 3;

[0016] The gas pipeline includes a first-stage exhaust pipe 4, a second-stage air intake pipe 5, a second-stage air intake pipe 6, a third-stage air intake pipe 7, and a third-stage air intake pipe 8. The first-stage exhaust pipe 4 is connected to the exhaust port of the first-stage compression cavity 10 of the centrifugal compressor main unit 9, the second-stage air intake pipe 5 is connected to the air intake port of the second-stage compression cavity 11 of the centrifugal compressor main unit 9, the second-stage air intake pipe 6 is connected to the exhaust port of the second-stage compression cavity 11 of the centrifugal compressor main unit 9, the third-stage air intake pipe 7 is connected to the air intake port of the third-stage compression cavity 12 of the centrifugal compressor main unit 9, and the third-stage air exhaust pipe 8 is connected to the exhaust port of the third-stage compression cavity 12 of the centrifugal compressor main unit 9;

[0017] A primary cooling chamber 13 and a secondary cooling chamber 14 are provided in the main cooling box 1. The primary cooling chamber 13 and the secondary cooling chamber 14 are not connected to each other. A cooler core is provided in the primary cooling chamber 13 and the secondary cooling chamber 14. The air inlet of the primary cooling chamber 13 is connected to the primary exhaust pipe 4, the exhaust port of the primary cooling chamber 13 is connected to the secondary air inlet pipe 5, the air inlet of the secondary cooling chamber 14 is connected to the secondary exhaust pipe 6, and the exhaust port of the secondary cooling chamber 14 is connected to the tertiary air inlet pipe 7;

[0018] A tertiary cooling chamber 15 is provided in the auxiliary cooling box 2, a cooler core is provided in the tertiary cooling chamber 15, an air inlet of the tertiary cooling chamber 15 is connected to the tertiary exhaust pipe 8, and an exhaust port of the tertiary cooling chamber 15 is connected to the gas end through the tertiary cooler exhaust pipe 16;

[0019] That is, the first-stage, second-stage and third-stage coolers are respectively connected to the first-stage, second-stage and third-stage compression chambers of the centrifugal compressor main unit 9 through corresponding gas pipelines.

[0020] During operation, gas enters from the air inlet 17 of the first-stage compression chamber 10 of the centrifugal compressor main unit 9. After compression, the gas enters the first-stage cooling chamber 13 through the first-stage exhaust pipe 4 and is cooled to 40°C. The cooled gas enters the second-stage compression chamber 11 through the second-stage air inlet pipe 5 for secondary compression. The gas after secondary compression enters the second-stage cooling chamber 14 through the second-stage exhaust pipe 6 and is cooled to 40°C. The cooled gas enters the third-stage compression chamber 12 through the third-stage air inlet pipe 7 for tertiary compression. The gas after tertiary compression enters the third-stage cooling chamber 15 through the third-stage exhaust pipe 8 and is cooled to 40°C. The compressed gas is transported to the gas-using end through the third-stage cooler exhaust pipe 16.

[0021] The skid-mounted casting cooler can reduce the overall width of the cooler to about 2.4 meters. Compared with the size of traditional steel pressure vessels, it greatly reduces the footprint and facilitates vehicle transportation.

[0022] The foregoing descriptions of specific exemplary embodiments of the present invention are for purposes of illustration and description. These descriptions are not intended to limit the present invention to the precise forms disclosed, and it is apparent that many modifications and variations are possible in light of the foregoing teachings. The exemplary embodiments have been selected and described for the purpose of explaining the specific principles of the present invention and their practical application, thereby enabling those skilled in the art to realize and utilize a variety of exemplary embodiments of the present invention and various options and variations. The scope of the present invention is intended to be defined by the claims and their equivalents.

Claims

1. A skid-mounted casting cooler for a centrifugal compressor, characterized in that: It includes a main cooling box, an auxiliary cooling box, and a gas pipeline; the main cooling box and the auxiliary cooling box are both castings, and the main cooling box and the auxiliary cooling box are pried together by fasteners, and cooler cores are provided in the main cooling box and the auxiliary cooling box; the main cooling box serves as a first-stage and second-stage cooler, and the main cooling box is connected to the centrifugal compressor host through the corresponding gas pipeline, and the auxiliary cooling box serves as a third-stage cooler, and the auxiliary cooling box is connected to the centrifugal compressor host through the corresponding gas pipeline, that is, the first-stage, second-stage, and third-stage coolers are respectively connected to the first-stage, second-stage, and third-stage compression chambers of the centrifugal compressor host through the corresponding gas pipelines.

2. The skid-mounted casting cooler for a centrifugal compressor according to claim 1, characterized in that: The gas pipeline includes a first-stage exhaust pipe, a second-stage air intake pipe, a second-stage exhaust pipe, a third-stage air intake pipe, and a third-stage exhaust pipe. The first-stage exhaust pipe is connected to the exhaust port of the first-stage compression chamber of the centrifugal compressor main engine, the second-stage air intake pipe is connected to the air intake port of the second-stage compression chamber of the centrifugal compressor main engine, the second-stage exhaust pipe is connected to the exhaust port of the second-stage compression chamber of the centrifugal compressor main engine, the third-stage air intake pipe is connected to the air intake port of the third-stage compression chamber of the centrifugal compressor main engine, and the third-stage exhaust pipe is connected to the exhaust port of the third-stage compression chamber of the centrifugal compressor main engine.

3. The skid-mounted casting cooler for a centrifugal compressor according to claim 2, characterized in that: The main cooling box is provided with a first-level cooling chamber and a second-level cooling chamber. The first-level cooling chamber and the second-level cooling chamber are not connected to each other. Cooler cores are provided in the first-level cooling chamber and the second-level cooling chamber. The air inlet of the first-level cooling chamber is connected to the first-level exhaust pipe, the exhaust port of the first-level cooling chamber is connected to the second-level air inlet pipe, the air inlet of the second-level cooling chamber is connected to the second-level exhaust pipe, and the exhaust port of the second-level cooling chamber is connected to the third-level air inlet pipe.

4. The skid-mounted casting cooler for a centrifugal compressor according to claim 3, characterized in that: A three-stage cooling cavity is provided in the auxiliary cooling box, a cooler core is provided in the three-stage cooling cavity, an air inlet of the three-stage cooling cavity is connected to a three-stage exhaust pipe, and an exhaust port of the three-stage cooling cavity is connected to an air-using end through a three-stage cooler exhaust pipe.

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