Diaphragm compressor

Abstract

The utility model provides a diaphragm compressor, which relates to the technical field of compressors, and comprises a first machine head assembly, a second machine head assembly, a gas path assembly, a first oil path assembly and a second oil path assembly, the gas circuit assembly is connected between the first machine head assembly and the second machine head assembly; the first machine head assembly is connected with the first oil way assembly, and the second machine head assembly is connected with the second oil way assembly. The first machine head assembly and the second machine head assembly share the same set of gas circuit assembly and cooling assembly, the whole machine layout structure is compact, the occupied area is small, one pry with multiple machines can be achieved, the displacement of the whole pry is improved, and the multi-displacement requirement can be met. In addition, the prying body can be separated according to needs so that the diaphragm compressor can be transported in a split mode, the transplanting and transporting difficulty is lowered, and the transporting cost can be saved.

Description

Technical Field

[0001] This utility model relates to the field of compressor technology, and in particular to a diaphragm compressor. Background Technology

[0002] A diaphragm compressor divides the system into a hydraulic section and a gas section using a diaphragm. Hydraulic oil periodically drives the diaphragm to reciprocate, compressing the gas and achieving high-pressure compression. Currently, conventional hydrogen diaphragm compressors typically have a single-unit displacement of less than 1000 Nm³ / h, and their overall structure occupies a large area, making them unsuitable for 1500 Nm³ / h operating conditions. Furthermore, the large size and weight of diaphragm compressors make relocation and transportation difficult and costly. Utility Model Content

[0003] The purpose of this invention is to provide a diaphragm compressor to alleviate the technical problem that the existing diaphragm compressors have a small displacement output range and are difficult to adapt to various displacement requirements.

[0004] In a first aspect, the diaphragm compressor provided by this utility model includes: a first compressor head assembly, a second compressor head assembly, an air passage assembly, a first oil passage assembly, and a second oil passage assembly;

[0005] The air passage assembly is connected between the first head assembly and the second head assembly;

[0006] The first engine head assembly is connected to the first oil circuit assembly, and the second engine head assembly is connected to the second oil circuit assembly.

[0007] In conjunction with the first aspect, the present invention provides a first possible implementation of the first aspect, wherein the diaphragm compressor further includes a cooling assembly connected between the first compressor head assembly and the second compressor head assembly.

[0008] In conjunction with the first aspect, this utility model provides a second possible implementation of the first aspect, wherein the cooling assembly includes: an inlet water pipe, a first heat exchanger, a second heat exchanger, and a return water pipe;

[0009] The first and second machine head assemblies are respectively in fluid communication with the inlet water pipe, the first machine head assembly, the first heat exchanger and the return water pipe are in fluid communication in sequence, and the second machine head assembly, the second heat exchanger and the return water pipe are in fluid communication in sequence.

[0010] In conjunction with the first aspect, this utility model provides a third possible implementation of the first aspect, wherein the diaphragm compressor further includes a base assembly, the base assembly including: a first base, a second base, and a connector, wherein the first base and the second base are detachably connected via the connector;

[0011] The first engine head assembly, the air circuit assembly, and the first oil circuit assembly are mounted on the first base, and the second engine head assembly and the second oil circuit assembly are mounted on the second base.

[0012] In conjunction with the first aspect, this utility model provides a fourth possible implementation of the first aspect, wherein the diaphragm compressor further includes a sensor control component, and the first compressor head assembly, the second compressor head assembly, the air circuit assembly, the first oil circuit assembly, and the second oil circuit assembly are respectively connected to the sensor control component.

[0013] In conjunction with the fourth possible implementation of the first aspect, this utility model provides a fifth possible implementation of the first aspect, wherein the sensor control component includes: an explosion-proof wiring cabinet and a plurality of sensors installed in the explosion-proof wiring cabinet.

[0014] In conjunction with the first aspect, this utility model provides a sixth possible implementation of the first aspect, wherein both the first head assembly and the second head assembly include: a plunger pump, a reversing valve, a pressure reducing cylinder, a primary diaphragm head, and a secondary diaphragm head;

[0015] The plunger pump is in fluid communication with the inlet of the reversing valve, the outlet of the reversing valve is in fluid communication with the pressure reducing cylinder, and the primary diaphragm head and the secondary diaphragm head are respectively in fluid communication with the pressure reducing cylinder.

[0016] In conjunction with the sixth possible implementation of the first aspect, this utility model provides a seventh possible implementation of the first aspect, wherein the air passage assembly includes: a main intake pipe, an interstage pipe, and an exhaust pipe;

[0017] The main intake pipe is in fluid communication with the intake pipe of the first-stage diaphragm head, one end of the interstage pipe is in fluid communication with the exhaust pipe of the first-stage diaphragm head, and the other end of the interstage pipe is in fluid communication with the intake pipe of the second-stage diaphragm head.

[0018] The exhaust pipe of the primary membrane head and the exhaust pipe of the secondary membrane head are respectively in fluid communication with the exhaust pipeline.

[0019] In conjunction with the seventh possible implementation of the first aspect, this utility model provides an eighth possible implementation of the first aspect, wherein the main intake pipe, the interstage pipe and the exhaust pipe are respectively equipped with safety valves, and the safety valves are in fluid communication with the vent pipe.

[0020] In conjunction with the seventh possible implementation of the first aspect, this utility model provides a ninth possible implementation of the first aspect, wherein cooling water jackets are respectively fitted onto the interstage pipeline and the exhaust pipeline.

[0021] The present invention provides the following advantages: an air circuit assembly is used to connect the first head assembly and the second head assembly. The first head assembly is connected to the first oil circuit assembly, and the second head assembly is connected to the second oil circuit assembly. The first head assembly and the second head assembly share the same air circuit assembly. The overall layout is compact and occupies a small area. It can realize multiple machines on one skid, improve the displacement of the entire skid, and can adapt to various displacement requirements.

[0022] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the specific embodiments or related technologies of this utility model, the drawings used in the description of the specific embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0024] Figure 1 A schematic diagram of a diaphragm compressor provided in an embodiment of this utility model;

[0025] Figure 2 A schematic diagram of the base assembly of the diaphragm compressor provided in an embodiment of the present utility model;

[0026] Figure 3 A schematic diagram of the cooling assembly of the diaphragm compressor provided in an embodiment of the present invention;

[0027] Figure 4 A schematic diagram of the sensor control assembly of the diaphragm compressor provided in an embodiment of the present invention;

[0028] Figure 5 This is a schematic diagram of the gas path assembly of the diaphragm compressor provided in an embodiment of the present invention.

[0029] Icons: 1 - First head assembly; 2 - Second head assembly; 3 - Air circuit assembly; 31 - Main intake pipe; 32 - Interstage pipe; 33 - Exhaust pipe; 34 - Vent pipe; 4 - Second oil circuit assembly; 5 - First oil circuit assembly; 6 - Sensor control assembly; 61 - Explosion-proof wiring cabinet; 62 - Sensor; 7 - Cooling assembly; 71 - Water inlet pipe; 72 - First heat exchanger; 73 - Second heat exchanger; 74 - Return water pipe; 8 - Base assembly; 81 - First base; 82 - Second base; 83 - Connector. Detailed Implementation

[0030] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0031] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Physical quantities in formulas, unless otherwise specified, should be understood as basic quantities of the International System of Units (SI) base units, or derived quantities derived from basic quantities through mathematical operations such as multiplication, division, differentiation, or integration.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] like Figure 1 As shown, the diaphragm compressor provided in this embodiment of the present invention includes: a first compressor head assembly 1, a second compressor head assembly 2, an air passage assembly 3, a first oil passage assembly 5, and a second oil passage assembly 4; the air passage assembly 3 is connected between the first compressor head assembly 1 and the second compressor head assembly 2; the first compressor head assembly 1 is connected to the first oil passage assembly 5, and the second compressor head assembly 2 is connected to the second oil passage assembly 4.

[0034] Specifically, the first engine block assembly 1 and the second engine block assembly 2 share the same air passage assembly 3, and the first engine block assembly 1 and the second engine block assembly 2 are equipped with a first oil passage assembly 5 and a second oil passage assembly 4 in a one-to-one correspondence, thereby realizing a dual-engine structure layout on a single skid, increasing the overall displacement of the skid, and enabling large displacement output in the same class. The first engine block assembly 1 and the second engine block assembly 2 can also operate independently, adapting to more displacement requirements.

[0035] In this embodiment of the invention, the diaphragm compressor further includes a cooling assembly 7, which is connected between the first compressor head assembly 1 and the second compressor head assembly 2.

[0036] The cooling component 7 can be configured as a liquid cooling system, which delivers coolant through a liquid pump and uses the circulating flow of coolant to dissipate heat and cool the heat-generating components in the first head assembly 1 and the second head assembly 2.

[0037] like Figure 1 and Figure 2 As shown, the diaphragm compressor also includes a base assembly 8, which includes a first base 81, a second base 82, and a connector 83. The first base 81 and the second base 82 are detachably connected by the connector 83. The first compressor head assembly 1, the air passage assembly 3, and the first oil passage assembly 5 are installed on the first base 81, and the second compressor head assembly 2 and the second oil passage assembly 4 are installed on the second base 82.

[0038] The connector 83 can be configured as a bolt or a clip to enable a detachable connection between the first base 81 and the second base 82. By separating the first base 81 and the second base 82, the diaphragm compressor can be transported separately, reducing transportation difficulties.

[0039] The diaphragm compressor also includes a sensor control assembly 6. The first compressor head assembly 1, the second compressor head assembly 2, the air circuit assembly 3, the first oil circuit assembly 5, and the second oil circuit assembly 4 are respectively connected to the sensor control assembly 6. The sensor control assembly 6 can integrate an explosion-proof enclosure and various sensors, and is connected to an external control unit to monitor the operating status of the diaphragm compressor.

[0040] It should be noted that the first compressor assembly 1, the second compressor assembly 2, the air circuit assembly 3, the first oil circuit assembly 5, the second oil circuit assembly 4, the sensor control assembly 6, and the cooling assembly 7 can be equipped with the same components as a conventional diaphragm compressor. The main improvement of this embodiment is that the first compressor assembly 1 and the second compressor assembly 2 share the same air circuit assembly 3 and cooling assembly 7, which realizes a compact layout of the diaphragm compressor, facilitates transportation, and can adapt to more displacement requirements.

[0041] See Figure 3As shown, in an optional practical embodiment, the cooling assembly 7 includes: an inlet water pipe 71, a first heat exchanger 72, a second heat exchanger 73, and a return water pipe 74; the first head assembly 1 and the second head assembly 2 are respectively in fluid communication with the inlet water pipe 71, the first head assembly 1, the first heat exchanger 72 and the return water pipe 74 are in fluid communication in sequence, and the second head assembly 2, the second heat exchanger 73 and the return water pipe 74 are in fluid communication in sequence.

[0042] See Figure 4 As shown, in an optional practical embodiment, the sensor control assembly 6 includes an explosion-proof wiring cabinet 61 and multiple sensors 62 installed within the explosion-proof wiring cabinet 61. The multiple sensors 62 are integrated and connected to preset test points via conduits.

[0043] See Figure 1 and Figure 5 As shown, in the optional practical mode, both the first head assembly 1 and the second head assembly 2 include: a plunger pump, a reversing valve, a pressure reducing cylinder, a primary diaphragm head, and a secondary diaphragm head; the plunger pump is fluidly connected to the inlet of the reversing valve, the outlet of the reversing valve is fluidly connected to the pressure reducing cylinder, and the primary diaphragm head and the secondary diaphragm head are fluidly connected to the pressure reducing cylinder, respectively.

[0044] The air circuit assembly 3 includes: a main air intake pipe 31, an interstage pipe 32, and an exhaust pipe 33; the main air intake pipe 31 is in fluid communication with the air intake pipe of the first stage diaphragm head, one end of the interstage pipe 32 is in fluid communication with the exhaust pipe of the first stage diaphragm head, and the other end of the interstage pipe 32 is in fluid communication with the air intake pipe of the second stage diaphragm head; the exhaust pipes of the first stage diaphragm head and the exhaust pipes of the second stage diaphragm head are respectively in fluid communication with the exhaust pipe 33.

[0045] Furthermore, safety valves are installed in the main intake pipe 31, interstage pipe 32 and exhaust pipe 33 respectively. The safety valves are in fluid communication with the relief pipe 34, thereby ensuring that each pipe is within a safe pressure range.

[0046] In addition, cooling water jackets are respectively installed on the interstage pipe 32 and the exhaust pipe 33, and the cooling water jackets are connected to the water cooling circulation of the cooling component 7, thereby realizing heat dissipation of the interstage pipe 32 and the exhaust pipe 33.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A diaphragm compressor, characterized in that, include: First engine head assembly (1), second engine head assembly (2), air passage assembly (3), first oil passage assembly (5), and second oil passage assembly (4); The air passage assembly (3) is connected between the first head assembly (1) and the second head assembly (2); The first head assembly (1) is connected to the first oil circuit assembly (5), and the second head assembly (2) is connected to the second oil circuit assembly (4).

2. The diaphragm compressor according to claim 1, characterized in that, The diaphragm compressor also includes a cooling assembly (7) connected between the first compressor head assembly (1) and the second compressor head assembly (2).

3. The diaphragm compressor according to claim 2, characterized in that, The cooling assembly (7) includes: an inlet water pipe (71), a first heat exchanger (72), a second heat exchanger (73), and a return water pipe (74); The first head assembly (1) and the second head assembly (2) are in fluid communication with the inlet pipe (71), the first head assembly (1), the first heat exchanger (72) and the return water pipe (74) are in fluid communication in sequence, and the second head assembly (2), the second heat exchanger (73) and the return water pipe (74) are in fluid communication in sequence.

4. The diaphragm compressor according to claim 1, characterized in that, The diaphragm compressor further includes a base assembly (8), which includes a first base (81), a second base (82), and a connector (83). The first base (81) and the second base (82) are detachably connected via the connector (83). The first head assembly (1), the air circuit assembly (3) and the first oil circuit assembly (5) are mounted on the first base (81), and the second head assembly (2) and the second oil circuit assembly (4) are mounted on the second base (82).

5. The diaphragm compressor according to claim 1, characterized in that, The diaphragm compressor further includes a sensor control component (6), and the first compressor head component (1), the second compressor head component (2), the air circuit component (3), the first oil circuit component (5) and the second oil circuit component (4) are respectively connected to the sensor control component (6).

6. The diaphragm compressor according to claim 5, characterized in that, The sensor control assembly (6) includes an explosion-proof junction box (61) and a plurality of sensors (62) installed in the explosion-proof junction box (61).

7. The diaphragm compressor according to claim 1, characterized in that, Both the first head assembly (1) and the second head assembly (2) include: a piston pump, a reversing valve, a pressure reducing cylinder, a primary diaphragm head, and a secondary diaphragm head; The plunger pump is in fluid communication with the inlet of the reversing valve, the outlet of the reversing valve is in fluid communication with the pressure reducing cylinder, and the primary diaphragm head and the secondary diaphragm head are respectively in fluid communication with the pressure reducing cylinder.

8. The diaphragm compressor according to claim 7, characterized in that, The air passage assembly (3) includes: a main intake pipe (31), an interstage pipe (32), and an exhaust pipe (33); The main intake pipe (31) is in fluid communication with the intake pipe of the first-stage diaphragm head, one end of the interstage pipe (32) is in fluid communication with the exhaust pipe of the first-stage diaphragm head, and the other end of the interstage pipe (32) is in fluid communication with the intake pipe of the second-stage diaphragm head. The exhaust pipe of the primary membrane head and the exhaust pipe of the secondary membrane head are respectively in fluid communication with the exhaust pipe (33).

9. The diaphragm compressor according to claim 8, characterized in that, The main intake pipe (31), the interstage pipe (32) and the exhaust pipe (33) are each equipped with a safety valve, and the safety valve is in fluid communication with the vent pipe (34).

10. The diaphragm compressor according to claim 8, characterized in that, Cooling water jackets are respectively fitted onto the interstage pipeline (32) and the exhaust pipeline (33).

Images