Anti-surge pipe for centrifugal compressor

Abstract

The utility model relates to the technical field of centrifugal compressor anti-surge pipes, in particular to a centrifugal compressor anti-surge pipe which comprises an anti-surge pipe body, a supporting rod, a connecting plate, a fixing disc, a flow control plate, a control component and an auxiliary component. The fixed disc is fixedly connected with the anti-surge pipe body and located at one end of the anti-surge pipe body, the flow control plate is arranged at the end, close to the fixed disc, of the anti-surge pipe body, the control component is arranged at the end, close to the fixed disc, of the anti-surge pipe body, and the auxiliary component is arranged at the end, away from the fixed disc, of the anti-surge pipe body. The position of the control part is fixed through the fixing disc, and when the flow in the anti-surge pipe body needs to be controlled, the flow control plate can be driven to move by adjusting the control part, so that the flow control plate changes the inflow diameter of the anti-surge pipe body, and the flow in the anti-surge pipe body is controlled.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal compressor anti surge pipe technical field especially relates to a centrifugal compressor anti surge pipe. BACKGROUND

[0002] At present centrifugal refrigeration compressor as a speed type compressor, the surge phenomenon appears in the running process is its inherent characteristic, select the refrigeration central air conditioning unit of centrifugal compressor, in its design and actual use process all want to avoid the occurrence of surge phenomenon all the time.

[0003] To solve the above problem, prior art patent (CN212297030U) discloses a kind of centrifugal compressor anti surge pipe, when flow is less, two uniform flow devices are contacted to one side, form a smaller flow channel, reduce the emergence of surge, when flow is larger, two uniform flow devices open and close, control according to the size of flow, so that when low flow or high flow can play the role of inhibition, without the situation of panting.

[0004] But in the above prior art, centrifugal compressor anti surge pipe cannot control the flow in pipe, lead to more inconvenient when using. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of centrifugal compressor anti surge pipe, to solve the technical problem that the centrifugal compressor anti surge pipe in prior art cannot control the flow in pipe, lead to more inconvenient when using.

[0006] To achieve the above object, a kind of centrifugal compressor anti surge pipe is used in the utility model, including anti surge pipe body, support rod and flow control component, the support rod is fixedly connected with the anti surge pipe body, and located the top of the anti surge pipe body;

[0007] The flow control component includes connecting plate, fixed disc, flow control plate, control component and auxiliary component, the connecting plate is fixedly connected with the anti surge pipe body, and located the top of the anti surge pipe body, the fixed disc is fixedly connected with the anti surge pipe body, and located one end of the anti surge pipe body, flow control plate is set to one end of the anti surge pipe body close to the fixed disc, the control component is set to one end of the anti surge pipe body close to the fixed disc, the auxiliary component is set to one end of the anti surge pipe body away from the fixed disc.

[0008] Among them, the control component includes elastic tube and control unit, the elastic tube is detachably connected with the anti surge pipe body, and located the inside of the anti surge pipe body, the control unit is set to one end of the anti surge pipe body close to the fixed disc.

[0009] The control unit comprises a rotating disc and a moving rod, the rotating disc is rotationally connected with the fixed disc and is located at the inner side of the fixed disc, the surface of the rotating disc is provided with a limiting groove, the surface of the fixed disc is provided with a moving groove, the moving rod is fixedly connected with the flow control plate and penetrates through the rotating disc, and the moving rod is slidingly connected with the moving groove.

[0010] The control unit further comprises a gear and a driving gear, the surface of the fixed disc is provided with a movable groove, the movable groove penetrates through the fixed disc, the gear is fixedly connected with the rotating disc and is located on the surface of the rotating disc, and the gear is located inside the movable groove, and the driving gear is engaged with the gear and is located above the gear.

[0011] The auxiliary component comprises a baffle and a connecting rod, the connecting rod is rotationally connected with the surge pipe body and penetrates through the surge pipe body, the baffle is detachably connected with the connecting rod and is located inside the surge pipe body, and the outer surface of the baffle is attached to the inner wall of the surge pipe body.

[0012] The utility model discloses a centrifugal compressor anti surge pipe, through the fixed disc fixed the position of control component, when needing to control the flow in the anti surge pipe body, can through adjusting control component drive control flow plate moves, makes control flow plate change the flowable diameter of anti surge pipe body, thereby controls the flow in the anti surge pipe body. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0014] Figure 1 It is the structure schematic diagram of centrifugal compressor anti surge pipe of the utility model.

[0015] Figure 2 It is the sectional view of centrifugal compressor anti surge pipe of the utility model.

[0016] Figure 3 It is the front view of centrifugal compressor anti surge pipe of the utility model.

[0017] Figure 4 It is the front view of centrifugal compressor anti surge pipe of the utility model.

[0018] Figure 5 It is theFigure 3 A cross-sectional view of the AA line structure.

[0019] Figure 6 This is the utility model Figure 4 BB line structural cross-sectional view.

[0020] Figure 7 This is the utility model Figure 6 Enlarged view of the local structure at point C.

[0021] 101-Anti-surge tube body, 102-Support rod, 103-Connecting plate, 104-Fixing disc, 105-Flow control plate, 106-Elastic tube, 107-Rotating disc, 108-Moving rod, 109-Limiting groove, 110-Moving groove, 111-Gear, 112-Drive gear, 113-Moving groove, 114-Baffle, 115-Connecting rod, 116-First motor, 117-Second motor. Detailed Implementation

[0022] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0023] Please see Figures 1-7 ,in Figure 1 This is a schematic diagram of the anti-surge tube for a centrifugal compressor according to this utility model. Figure 2 This is a cross-sectional view of the anti-surge pipe for a centrifugal compressor according to this utility model. Figure 3 This is a front view of the anti-surge pipe for a centrifugal compressor according to this utility model. Figure 4 This is a front view of the anti-surge pipe for a centrifugal compressor according to this utility model. Figure 5 This is the utility model Figure 3 AA-line structural cross-sectional view, Figure 6 This is the utility model Figure 4 BB line structural cross-sectional view, Figure 7 This is the utility model Figure 6 Enlarged view of the local structure at point C.

[0024] This utility model provides a centrifugal compressor anti-surge tube, including an anti-surge tube body 101, a support rod 102 and a flow control assembly. The support rod 102 is fixedly connected to the anti-surge tube body 101 and is located above the anti-surge tube body 101.

[0025] The flow control assembly comprises a connecting plate 103, a fixing disc 104, a flow control plate 105, a control component and an auxiliary component, the connecting plate 103 is fixedly connected with the anti-surge pipe body 101 and located above the anti-surge pipe body 101, the fixing disc 104 is fixedly connected with the anti-surge pipe body 101 and located at one end of the anti-surge pipe body 101, the flow control plate 105 is arranged at one end of the anti-surge pipe body 101 close to the fixing disc 104, the control component is arranged at one end of the anti-surge pipe body 101 close to the fixing disc 104, and the auxiliary component is arranged at one end of the anti-surge pipe body 101 away from the fixing disc 104.

[0026] In the embodiment, the position of the control component is fixed by the fixing disc 104, when it is needed to control the flow in the anti-surge pipe body 101, the flow control plate 105 is driven to move by adjusting the control component, so that the flow control plate 105 changes the flowable diameter of the anti-surge pipe body 101, thereby controlling the flow in the anti-surge pipe body 101.

[0027] Further, the control component comprises an elastic tube 106 and a control unit, the elastic tube 106 is detachably connected with the anti-surge pipe body 101 and located inside the anti-surge pipe body 101, and the control unit is arranged at one end of the anti-surge pipe body 101 close to the fixing disc 104.

[0028] In the embodiment, when the pressure in the anti-surge pipe body 101 increases, the elastic tube 106 will be compressed to increase its own diameter, thereby reducing the influence of surge, and adjusting the control unit can control the flow in the anti-surge pipe body 101.

[0029] Further, the control unit comprises a rotating disc 107 and a moving rod 108, the rotating disc 107 is rotatably connected with the fixing disc 104 and located inside the fixing disc 104, the surface of the rotating disc 107 is provided with a limiting groove 109, the surface of the fixing disc 104 is provided with a moving groove 110, the moving rod 108 is fixedly connected with the flow control plate 105 and penetrates through the rotating disc 107, and the moving rod 108 is slidably connected with the moving groove 110.

[0030] In the embodiment, when the rotating disc 107 rotates, the limiting groove 109 will rotate, the rotation of the limiting groove 109 drives the moving rod 108 to move in the moving groove 110, so that the moving rod 108 drives the flow control plate 105 to move, thereby changing the flowable diameter of the anti-surge pipe body 101 through the flow control plate 105.

[0031] Further, the control unit further comprises a tooth 111 and a driving gear 112, a surface of the fixed disc 104 is provided with a movable groove 113, the movable groove 113 penetrates through the fixed disc 104, the tooth 111 is fixedly connected with the rotating disc 107 and located on a surface of the rotating disc 107, and the tooth 111 is located inside the movable groove 113, and the driving gear 112 is engaged with the tooth 111 and located above the tooth 111.

[0032] In the embodiment, the driving gear 112 is connected with an external first motor 116 fixed on the connecting plate 103, the driving gear 112 is controlled to rotate by the external first motor 116, and the driving gear 112 can drive the rotating disc 107 to rotate by engagement with the tooth 111.

[0033] Further, the auxiliary component comprises a baffle 114 and a connecting rod 115, the connecting rod 115 is rotatably connected with the surge pipe body and penetrates through the surge pipe body, the baffle 114 is detachably connected with the connecting rod 115 and located inside the surge pipe body, and an outer surface of the baffle 114 is attached to an inner wall of the surge pipe body.

[0034] In the embodiment, the connecting rod 115 is connected with an external second motor 117 fixed on the supporting rod 102, the connecting rod 115 is controlled to rotate by the external second motor 117 to drive the baffle 114 to rotate, so that the baffle 114 can block the anti-surge pipe body 101.

[0035] The above only discloses a preferred embodiment of the utility model, of course, cannot limit the utility model right range by this, the person skilled in the art can understand that all or part of the processes of the above embodiment are implemented, and equivalent changes made according to the utility model claim still belong to the range covered by the utility model.

Claims

1.A centrifugal compressor anti-surge pipe, comprising an anti-surge pipe body and a support rod, the support rod is fixedly connected with the anti-surge pipe body and located above the anti-surge pipe body, characterized in that, further comprising a flow control assembly; the flow control assembly comprises a connecting plate, a fixed disc, a flow control plate, a control component and an auxiliary component, the connecting plate is fixedly connected with the anti-surge pipe body and located above the anti-surge pipe body, the fixed disc is fixedly connected with the anti-surge pipe body and located at one end of the anti-surge pipe body, the flow control plate is arranged at one end of the anti-surge pipe body close to the fixed disc, the control component is arranged at one end of the anti-surge pipe body close to the fixed disc, and the auxiliary component is arranged at one end of the anti-surge pipe body away from the fixed disc. 2.The centrifugal compressor anti-surge pipe according to claim 1, characterized in that, the control component comprises an elastic tube and a control unit, the elastic tube is detachably connected with the anti-surge pipe body and located inside the anti-surge pipe body, and the control unit is arranged at one end of the anti-surge pipe body close to the fixed disc. 3.The centrifugal compressor anti-surge pipe according to claim 2, characterized in that, the control unit comprises a rotating disc and a moving rod, the rotating disc is rotatably connected with the fixed disc and located inside the fixed disc, the surface of the rotating disc is provided with a limiting groove, the surface of the fixed disc is provided with a moving groove, and the moving rod is fixedly connected with the flow control plate and penetrates through the rotating disc and is slidably connected with the moving groove. 4.The centrifugal compressor anti-surge pipe according to claim 3, characterized in that, the control unit further comprises a tooth and a driving gear, the surface of the fixed disc is provided with a movable groove, the movable groove penetrates through the fixed disc, the tooth is fixedly connected with the rotating disc and located on the surface of the rotating disc, the tooth is located inside the movable groove, and the driving gear is engaged with the tooth and located above the tooth. 5.The centrifugal compressor anti-surge pipe according to claim 1, characterized in that, the auxiliary component comprises a baffle and a connecting rod, the connecting rod is rotatably connected with the anti-surge pipe body and penetrates through the anti-surge pipe body, the baffle is detachably connected with the connecting rod and located inside the anti-surge pipe body, and the outer surface of the baffle is attached to the inner wall of the anti-surge pipe body.

Images