Inlet guide vane structure

Abstract

The utility model relates to the field of natural gas compressor blade structures, in particular to an inlet guide blade structure which comprises a pipe body installed at the inlet end of a natural gas compressor, a plurality of flow dividing pipes are arranged at the gas outlet end of the pipe body, and a mounting plate is fixedly installed close to the gas inlet end of the pipe body. A through hole a is formed in the center of the mounting plate in a penetrating manner, the splitter plate is fixedly mounted on one side of the mounting plate in the pipe body and divides the pipe body into two cavities, and a plurality of mounting grooves are formed in one end, close to the mounting plate, of the splitter plate in an annular array manner. The inlet guide vane structure is provided with the mounting grooves, the multiple mounting grooves are formed in the end, close to the mounting plate, of the splitter plate in an annular array, the guide vanes are slidably mounted in the mounting grooves, the size of the vent hole is controlled by sliding the guide vanes so as to change the flow speed of natural gas, and the guide vanes are controlled to slide by rotating the exposed lead screw so as to change the flow speed of natural gas. Therefore, the size of the vent hole is changed and fixed.

Description

TECHNICAL FIELD

[0001] The utility model relates to natural gas compressor blade structure field especially import guide vane structure. BACKGROUND

[0002] Natural gas compressor is used for mainly acting is improve natural gas pressure, in order to reduce energy loss and pipeline size in long distance delivery, natural gas compressor needs to inhale natural gas during operation, makes it enter compressor main machine, through a series of mechanical movement, natural gas is compressed into high pressure state, then is discharged through output pipeline, needs guide vane to change the air flow state of admission end when inhaling. The natural gas compressor of current is generally single import setting when working, and single import setting structure cannot well adjust gas supply, in view of this, provide an import guide vane structure. SUMMARY

[0003] The utility model discloses a kind of import guide vane structures, to solve the problem that the natural gas compressor of current is generally single import setting when working in the related art, and single import setting structure cannot well adjust gas supply.

[0004] To achieve the above object, according to one aspect of the utility model, an import guide vane structure is provided, including the pipe body of being installed at the import end of natural gas compressor, the gas outlet end of pipe body is provided with several shunt pipes, single shunt pipe is independent gas supply for natural gas compressor, fixedly installed with mounting plate close to the gas inlet end of pipe body, the center of mounting plate is through and is provided with through hole a, further including shunt plate, shunt plate is fixedly installed on the side of mounting plate in pipe body, shunt plate divides into two cavities, shunt plate is close to the annular array and is provided with several installation grooves in one end of mounting plate, shunt plate is slidably installed in installation groove, through flow plate is rotatably installed in through flow groove.

[0005] Further, the installation groove is rotatably installed with a lead screw, and one end of the lead screw penetrates and is exposed to the outside of the pipe body, and the lead screw is screw-connected with the pipe body.

[0006] Further, the guide vane is a fan-shaped structure, and the guide vane gradually narrows from the gas inlet end to the gas outlet end, when the guide vane slides along the installation groove to the center of the pipe body, the guide vanes gradually approach, and the aperture of the through hole a gradually decreases.

[0007] Further, the installation groove is a T-shaped groove, and the guide vane is fixedly installed with a lead screw nut on one side, the lead screw nut is screw-installed on the lead screw, and one end of the guide vane and the lead screw nut form a T-shaped structure, which is matched with the installation groove.

[0008] Furthermore, the center of the side wall of the diverter plate is provided with a shaft hole that connects to the diversion groove, and a fixed shaft is fixedly installed at the center of the side wall of the diversion plate. One end of the fixed shaft is exposed to the outside of the pipe body through the shaft hole, and a handle is fixedly installed at one end of the fixed shaft. A threaded hole b is provided through one side of the handle, and a bolt b is installed in the threaded hole b.

[0009] Furthermore, the inside of the diversion pipe is connected to the cavity inside the pipe body, and a baffle is fixedly installed at the center of the diversion pipe, with the baffle fixedly installed on one side of the diversion plate.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] 1. This type of imported guide vane structure is provided with mounting grooves. Several mounting grooves are arranged in a ring array at one end of the diverter plate near the mounting plate. Guide vanes are slidably installed in the mounting grooves. By sliding the guide vanes, the size of the vent is controlled to change the flow rate of natural gas. By rotating the exposed lead screw, the sliding of the guide vanes is controlled, thereby changing and fixing the size of the vent.

[0012] 2. This type of inlet guide vane structure is equipped with a flow divider plate, which divides the pipe body into two cavities. Several flow dividers connecting the cavities are provided at the gas outlet end of the pipe body. A flow guide groove is opened through the center of the flow divider plate, and a flow guide plate is rotatably installed in the flow guide groove. By rotating the handle, the fixed shaft is controlled to rotate, thereby controlling the rotation of the flow guide plate and changing the flow rate of natural gas on both sides of the flow divider plate. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the air inlet end of the tube in a preferred embodiment of the present invention;

[0014] Figure 2 This is a schematic diagram of the cross-sectional structure of the tube in a preferred embodiment of the present invention;

[0015] Figure 3 This is a cross-sectional view of the mounting plate structure in a preferred embodiment of the present invention;

[0016] Figure 4 This is a schematic diagram of the guide vanes of the feed trough in a preferred embodiment of the present invention;

[0017] Figure 5 This is a schematic diagram of the overall tube body in a preferred embodiment of the present invention;

[0018] Figure 6 This is a cross-sectional view of the diversion pipe in a preferred embodiment of the present invention.

[0019] Illustration:

[0020] 1. Pipe body;

[0021] 2, mounting plate; 21, mounting groove; 22, guide vane; 23, screw rod; 211, through hole a; 212, through hole b; 221, screw rod nut;

[0022] 3, shunt plate; 31, drainage groove; 32, drainage plate; 33, shaft hole; 34, fixed shaft; 35, handle; 351, threaded hole b; 352, bolt b;

[0023] 4, shunt pipe; 41, partition. DETAILED DESCRIPTION

[0024] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model will be described in detail as follows in combination with the drawings and preferred embodiments.

[0025] Please refer to Figures 1-6 The embodiment is aimed at providing an inlet guide vane structure, which comprises a pipe body 1 mounted at the inlet end of a natural gas compressor, two shunt pipes 4 are arranged at the gas outlet end of the pipe body 1, a single shunt pipe 4 is used for independently supplying gas to the natural gas compressor, a mounting plate 2 is fixedly mounted close to the gas inlet end of the pipe body 1, a through hole a 211 is formed through the center of the mounting plate 2, and the utility model further comprises a shunt plate 3, which is fixedly mounted on one side of the mounting plate 2 in the pipe body 1, the shunt plate 3 divides the pipe body 1 into two cavities, a plurality of mounting grooves 21 are arranged in an annular array at one end of the shunt plate 3 close to the mounting plate 2, guide vanes 22 are slidably mounted in the mounting grooves 21, a drainage groove 31 is formed through the center of the shunt plate 3, and a drainage plate 32 is rotatably mounted in the drainage groove 31.

[0026] A screw rod 23 is rotatably mounted in the mounting groove 21, one end of the screw rod 23 penetrates through and is exposed to the outside of the pipe body 1, the screw rod 23 is threadedly connected with the pipe body 1, a through hole b 212 is formed in one end of the mounting groove 21 and communicates with the outside of the pipe body 1, one end of the screw rod 23 is exposed to the outside of the pipe body 1 through the through hole b 212, and in use, the guide vanes 22 are slid by rotating the screw rod 23, and rubber rings b are fixedly mounted on the side wall of the screw rod 23 to seal the pipe body 1.

[0027] The guide vanes 22 are of a fan-shaped structure, the guide vanes 22 gradually narrow from the gas inlet end to the gas outlet end, when the guide vanes 22 slide along the mounting grooves 21 to the center of the pipe body 1, the guide vanes 22 gradually approach each other, and the hole diameter on the side of the through hole a 211 gradually decreases, so that the flow rate of the natural gas increases when the natural gas is inhaled.

[0028] The installation groove 21 is a T-shaped groove, the guide vane 22 is fixedly installed with a screw nut 221 on one side, the screw nut 221 is threadedly installed on a lead screw 23, the guide vane 22 and the screw nut 221 form a T-shaped structure at one end, which is matched with the installation groove 21, and the guide vane 22 is driven to slide by the screw nut 221.

[0029] The shaft hole 33 is arranged in the center of the side wall of the shunt plate 3 and communicates with the drainage groove 31, the fixed shaft 34 is fixedly installed on the side wall of the drainage plate 32, one end of the fixed shaft 34 is exposed to the outside of the pipe body 1 through the shaft hole 33, the other end of the fixed shaft 34 extends into the drainage groove 31 and is connected with the drainage plate 32, the handle 35 is fixedly installed on one end of the fixed shaft 34, the threaded hole b351 is arranged on one side of the handle 35, the bolt b352 is threadedly installed in the threaded hole b351, the rubber ring a is fixedly installed on the side wall of the fixed shaft 34 and seals the pipe body 1, the angle of the drainage plate 32 is controlled by rotating the handle 35, the change of the angle of the drainage plate 32 can make the entering natural gas flow into the cavity on the other side of the shunt plate 3 along the drainage plate 32, so that the flow of the natural gas on both sides of the shunt plate 3 can be changed, and the flow of the natural gas at the two outlets of the shunt pipe 4 can be changed.

[0030] The shunt pipe 4 is in communication with the cavity in the pipe body 1, the partition plate 41 is fixedly installed in the center of the shunt pipe 4, the partition plate 41 is fixedly installed on one side of the shunt plate 3, and the natural gas flows to different natural gas compressors by cooperation of the partition plate 41 and the shunt plate 3.

[0031] In the specific use, when the natural gas compressor is used, the gas inlet end of the pipe body 1 is connected with the natural gas pipeline, the position of the guide vane 22 is changed by rotating the lead screw 23, so that the size of the air hole formed by the guide vane 22 is changed, the flow rate of the natural gas is changed, the pipe body 1 is divided into two cavities by the shunt plate 3, the angle of the drainage plate 32 is controlled by rotating the handle 35, the change of the angle of the drainage plate 32 can make the entering natural gas flow into the cavity on the other side of the shunt plate 3 along the drainage plate 32, so that the flow of the natural gas on both sides of the shunt plate 3 can be changed, and the flow of the natural gas at the two outlets of the shunt pipe 4 can be changed, and since the gas outlet end of the pipe body 1 is connected with two shunt pipes 4 and the natural gas is supplied to different natural gas compressors, the natural gas supply amount of the different natural gas compressors can be freely adjusted.

[0032] The above are only the preferred embodiments of the present application, and are not intended to limit the present application in any form, although the present application has been disclosed as above with the preferred embodiments, however, it is not intended to limit the present application, any person skilled in the art, without departing from the technical scheme of the present application, can make some changes or modifications to the above disclosed technical content as equivalent embodiments, but as long as it does not depart from the technical scheme of the present application, according to the technical essence of the present application, any modification, equivalent change and modification of the above embodiments are still within the scope of the technical scheme of the present application.

Claims

1. An inlet guide vane structure comprising a pipe body (1) installed at an inlet end of a natural gas compressor, characterized in that, The pipe body (1) is provided with a plurality of shunt pipes (4) at the gas outlet end, and each shunt pipe (4) is independently supplied with gas by the natural gas compressor. An installation plate (2) is fixedly installed near the gas inlet end of the pipe body (1), and a through hole a (211) is formed in the center of the installation plate (2). The application also comprises: A shunt plate (3) is fixedly installed on one side of the installation plate (2) in the pipe body (1), and the shunt plate (3) divides the pipe body (1) into two cavities. A plurality of installation grooves (21) are annularly arranged at one end of the shunt plate (3) close to the installation plate (2), and guide vanes (22) are slidably installed in the installation grooves (21). A drainage groove (31) is formed in the center of the shunt plate (3), and a drainage plate (32) is rotatably installed in the drainage groove (31).

2. An inlet guide vane structure according to claim 1, wherein A lead screw (23) is rotatably installed in the installation groove (21), and one end of the lead screw (23) penetrates through and is exposed to the outside of the pipe body (1). The lead screw (23) is in threaded connection with the pipe body (1).

3. The inlet guide vane structure of claim 1, wherein The guide vanes (22) are of a fan-shaped structure, and the guide vanes (22) gradually narrow from the gas inlet end to the gas outlet end. When the guide vanes (22) slide along the installation grooves (21) to the center of the pipe body (1), the guide vanes (22) gradually approach each other, and the hole diameter on the side of the through hole a (211) gradually decreases.

4. The inlet guide vane structure of claim 1, wherein The installation grooves (21) are T-shaped grooves, and the guide vanes (22) are fixedly installed with lead screw nuts (221) on one side. The lead screw nuts (221) are in threaded connection with the lead screws (23), and one end of the guide vanes (22) and the lead screw nuts (221) form a T-shaped structure, which is matched with the installation grooves (21).

5. The inlet guide vane structure of claim 1, wherein An axle hole (33) is formed in the center of the side wall of the shunt plate (3) and is in communication with the drainage groove (31). A fixed shaft (34) is fixedly installed in the center of the side wall of the drainage plate (32), one end of the fixed shaft (34) is exposed to the outside of the pipe body (1) through the axle hole (33), one end of the fixed shaft (34) is fixedly installed with a handle (35), a threaded hole b (351) is formed in one side of the handle (35), and a bolt b (352) is in threaded connection with the threaded hole b (351).

6. The inlet guide vane structure of claim 1, wherein The shunt pipes (4) are in communication with the cavities in the pipe body (1), and a partition plate (41) is fixedly installed in the center of the shunt plate (3).

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