Centrifugal pump outlet buffer pressure stabilizing device

Abstract

The utility model relates to centrifugal pump's technical field especially, and it is a kind of centrifugal pump outlet buffer pressure stabilizing device, it is connected through sealing device, intercommunicating device and fixing device cooperation, pressure monitoring is carried out to intercommunicating device inside through monitoring device, buffering is carried out through buffer device, including power device, still including sealing device, intercommunicating device, fixing device, monitoring device and buffer device, sealing device and fixing device are all installed on power device, intercommunicating device is installed on sealing device, monitoring device and buffer device are all installed on intercommunicating device, sealing device carries out sealing, intercommunicating device carries out intercommunication, fixing device carries out fixation, monitoring device carries out pressure monitoring, buffer device carries out buffering.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal pump's technical field especially relates to a centrifugal pump outlet buffering pressure stabilizing device. BACKGROUND

[0002] The centrifugal pump outlet buffering pressure stabilizing device is a key equipment for ensuring stable operation of a fluid conveying system, mainly used for suppressing pressure pulsation, eliminating water hammer effect and maintaining constant outlet pressure. The design needs to consider fluid characteristics, system load variation and safety requirements.

[0003] For example, the existing technology represented by application No. CN202321418587.9 mainly includes a base frame, a support frame installed at the top end of the base frame, a damping mechanism installed at the bottom end of each corner of the support frame, an installation plate installed at the top end of the support frame, a pair of pump machines installed at the top end of one side of the installation plate, a bend pipe connected to the output end of the pump machine, a ball valve installed at the top end of the bend pipe, a check valve connected to the top end of the ball valve, a stand pipe installed at the top end of the check valve, a water outlet pipe provided at the top end of the installation plate, the bottom end of the water outlet pipe connected to the top end of the stand pipe, a diaphragm gas tank installed at the top end of the other side of the installation plate, a connecting pipe connected to the bottom end of the diaphragm gas tank, the input end of the pump machine installed with a crushing mechanism. The utility model can effectively realize the function of preventing liquid backflow, improve pressure stability, and has high practical value.

[0004] In the use process, it is found that the existing pressure stabilizing device is not convenient to realize buffering of the centrifugal pump outlet, resulting in damage of the subsequent workpieces, so there is an urgent need for a centrifugal pump outlet buffering pressure stabilizing device. Utility model content

[0005] To solve the above technical problems, the utility model provides a centrifugal pump outlet buffering pressure stabilizing device connected through a sealing device, a communication device and a fixing device, the internal pressure of the communication device is monitored through a monitoring device, and the buffering is carried out through a buffering device.

[0006] The centrifugal pump outlet buffering pressure stabilizing device of the utility model comprises a power device, further comprises a sealing device, a communication device, a fixing device, a monitoring device and a buffering device, the sealing device and the fixing device are installed on the power device, the communication device is installed on the sealing device, the monitoring device and the buffering device are installed on the communication device, the sealing device is sealed, the communication device is communicated, the fixing device is fixed, the monitoring device is pressure monitored, and the buffering device is buffered, the sealing device, the communication device and the fixing device are connected through cooperation, the internal pressure of the communication device is monitored through the monitoring device, and the buffering is carried out through the buffering device.

[0007] Preferably, the power device comprises a centrifugal pump and a centrifugal pump pipe, the centrifugal pump is installed on the centrifugal pump pipe; water is discharged through the cooperation of the centrifugal pump and the centrifugal pump pipe.

[0008] Preferably, the sealing device comprises a sealing ring, the sealing ring is installed at the side end of the centrifugal pump pipe; the sealing ring plays a sealing role.

[0009] Preferably, the communication device comprises a communication pipe, a mounting seat and a flow-through plate, the communication pipe is installed at the side end of the sealing ring through a flange, the mounting seat and the flow-through plate are both installed inside the communication pipe, the mounting seat is located at the left side of the flow-through plate, and a plurality of through holes are formed in the flow-through plate; the communication pipe plays a communication role, and water flows through the through holes in the flow-through plate.

[0010] Preferably, the fixing device comprises a plurality of connecting screws and a plurality of connecting nuts, the plurality of connecting screws all pass through the flange, the sealing ring and the centrifugal pump pipe, the connecting nuts are installed on the connecting screws, and the connecting nuts are located at the right side of the centrifugal pump pipe; the centrifugal pump pipe, the sealing ring and the flange are fixed through the cooperation of the connecting screws and the connecting nuts.

[0011] Preferably, the monitoring device comprises a mounting pipe and a water pressure gauge, the mounting pipe is communicatively installed at the top end of the communication pipe, and the water pressure gauge is communicatively installed at the top end of the mounting pipe; the water pressure in the communication pipe is monitored through the cooperation of the mounting pipe and the water pressure gauge.

[0012] Preferably, the buffering device comprises a spring, a sleeving block and a buffer plate, the spring is installed at the side end of the mounting seat, the sleeving block passes through the spring, and the buffer plate is installed at the side end of the sleeving block; when the water pressure is too large, the impact force of water pushes the buffer plate to move, so that the buffer plate moves away from the flow-through plate; when the water pressure is small, the buffer plate is reset through the cooperation of the spring and the sleeving block, and the buffer plate is closed to the flow-through plate, so that water flows through the through holes.

[0013] Compared with the prior art, the beneficial effects of the utility model are that: the sealing device, the communication device and the fixing device are connected through cooperation, the pressure in the communication device is monitored through the monitoring device, and the buffering device is used for buffering. ACCURATE DRAWINGS

[0014] Figure 1 is the structure explosion map of the utility model; Figure 2 is Figure 1 The utility model discloses the enlarged structure axonometric drawing of power device and sealing device structure; Figure 3 is Figure 1 The utility model discloses the enlarged structure axonometric drawing of power device and sealing device etc. Figure 4 isFigure 1 The enlarged structural sectional view of the communication device structure in the utility model; Figure 5 is Figure 1 The enlarged structural sectional view of the communication device and the buffer device structure in the utility model.

[0015] Marked in the drawing: 01, power device; 11, centrifugal pump; 12, centrifugal pump pipe; 02, sealing device; 21, sealing ring; 03, communication device; 31, communication pipe; 32, flange; 33, mounting seat; 34, flow-through plate; 35, through hole; 04, fixing device; 41, connecting screw; 42, connecting nut; 05, monitoring device; 51, mounting pipe; 52, water pressure gauge; 06, buffer device; 61, spring; 62, set block; 63, buffer plate. DETAILED DESCRIPTION

[0016] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Embodiment 1

[0017] A centrifugal pump outlet buffer pressure stabilizing device, comprising a power device 01, characterized in that it further comprises a sealing device 02, a communication device 03, a fixing device 04, a monitoring device 05 and a buffer device 06, the sealing device 02 and the fixing device 04 are both installed on the power device 01, the communication device 03 is installed on the sealing device 02, and the monitoring device 05 and the buffer device 06 are both installed on the communication device 03; The sealing device 02 seals, the communication device 03 communicates, the fixing device 04 fixes, the monitoring device 05 monitors pressure, and the buffer device 06 buffers; The power device 01 comprises a centrifugal pump 11 and a centrifugal pump pipe 12, and the centrifugal pump 11 is installed on the centrifugal pump pipe 12; The sealing device 02 comprises a sealing ring 21, and the sealing ring 21 is installed at the side end of the centrifugal pump pipe 12; The communication device 03 comprises a communication pipe 31, a mounting seat 33 and a flow-through plate 34, the communication pipe 31 is installed at the side end of the sealing ring 21 through a flange 32, the mounting seat 33 and the flow-through plate 34 are both installed inside the communication pipe 31, the mounting seat 33 is located at the left side of the flow-through plate 34, and a plurality of through holes 35 are formed in the flow-through plate 34; The fixing device 04 includes multiple sets of connecting screws 41 and multiple sets of connecting nuts 42. The multiple sets of connecting screws 41 all pass through the flange 32, the sealing ring 21 and the centrifugal pump pipe 12. The connecting nuts 42 are installed on the connecting screws 41 and are located on the right side of the centrifugal pump pipe 12. The buffer device 06 includes a spring 61, a sleeve block 62, and a buffer plate 63. The spring 61 is installed on the side end of the mounting base 33, the sleeve block 62 passes through the spring 61, and the buffer plate 63 is installed on the side end of the sleeve block 62. The sealing device 02 seals, the connecting device 03 connects, the fixing device 04 fixes, and the buffering device 06 buffers. When the centrifugal pump 11 is started, water flows through the centrifugal pump 11 and the connecting pipe 31. During the water flow, when the water pressure is too high, the impact force of the water will push the buffer plate 63 to move away from the flow plate 34, and the water will flow through the gap between the buffer plate 63 and the flow plate 34. When the water pressure decreases, the buffer plate 63 is reset by the cooperation of the spring 61 and the sleeve block 62, and it closes with the flow plate 34, and the water will flow through the through hole 35. Example 2

[0018] like Figures 1 to 5 As shown, in addition to Embodiment 1, a monitoring device 05 is also included; The monitoring device 05 includes an installation pipe 51 and a water pressure gauge 52. The installation pipe 51 is connected to the top end of the connecting pipe 31, and the water pressure gauge 52 is connected to the top end of the installation pipe 51. Monitoring device 05 performs pressure monitoring; The water pressure inside the connecting pipe 31 is monitored by using the installation pipe 51 and the water pressure gauge 52.

[0019] This utility model discloses a centrifugal pump outlet buffer and pressure stabilizing device. During operation, the centrifugal pump 11 is started, allowing water to circulate through the pump and connecting pipe 31. During this flow, the water pressure inside the connecting pipe 31 is monitored using an installation pipe 51 and a water pressure gauge 52. When the water pressure is too high, the impact force of the water pushes the buffer plate 63 to move away from the flow plate 34, allowing water to flow through the gap between the buffer plate 63 and the flow plate 34. When the water pressure decreases, the spring 61 and the sleeve block 62 work together to reset the buffer plate 63, closing it with the flow plate 34, allowing water to flow through the through hole 35.

[0020] The centrifugal pump 11 and water pressure gauge 52 of this utility model are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0021] The main function realized by the utility model is: buffering water flow, preventing subsequent workpiece damage.

[0022] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled person in the art, without departing from the technical principle of the utility model, a number of improvements and variations can be made, and these improvements and variations should also be regarded as the protection scope of the utility model.

Claims

1. A centrifugal pump outlet buffer and pressure stabilizing device, comprising a power unit (01); characterized in that, It also includes a sealing device (02), a connecting device (03), a fixing device (04), a monitoring device (05), and a buffer device (06). The sealing device (02) and the fixing device (04) are both installed on the power device (01), the connecting device (03) is installed on the sealing device (02), and the monitoring device (05) and the buffer device (06) are both installed on the connecting device (03). The sealing device (02) performs sealing, the connecting device (03) performs connecting, the fixing device (04) performs fixing, the monitoring device (05) performs pressure monitoring, and the buffer device (06) performs buffering.

2. The centrifugal pump outlet buffer and pressure stabilizing device as described in claim 1, characterized in that, The power unit (01) includes a centrifugal pump (11) and a centrifugal pump pipe (12), with the centrifugal pump (11) mounted on the centrifugal pump pipe (12).

3. The centrifugal pump outlet buffer and pressure stabilizing device as described in claim 2, characterized in that, The sealing device (02) includes a sealing ring (21), which is installed on the side end of the centrifugal pump pipe (12).

4. The centrifugal pump outlet buffer and pressure stabilizing device as described in claim 3, characterized in that, The connecting device (03) includes a connecting pipe (31), a mounting base (33) and a flow plate (34). The connecting pipe (31) is installed on the side of the sealing ring (21) through a flange (32). The mounting base (33) and the flow plate (34) are both installed inside the connecting pipe (31). The mounting base (33) is located on the left side of the flow plate (34). The flow plate (34) is provided with multiple sets of through holes (35).

5. A centrifugal pump outlet buffer and pressure stabilizing device as described in claim 4, characterized in that, The fixing device (04) includes multiple sets of connecting screws (41) and multiple sets of connecting nuts (42). The multiple sets of connecting screws (41) all pass through the flange (32), the sealing ring (21) and the centrifugal pump pipe (12). The connecting nuts (42) are installed on the connecting screws (41) and are located on the right side of the centrifugal pump pipe (12).

6. A centrifugal pump outlet buffer and pressure stabilizing device as described in claim 4, characterized in that, The monitoring device (05) includes an installation pipe (51) and a water pressure gauge (52). The installation pipe (51) is connected to the top of the connecting pipe (31), and the water pressure gauge (52) is connected to the top of the installation pipe (51).

7. A centrifugal pump outlet buffer and pressure stabilizing device as described in claim 4, characterized in that, The buffer device (06) includes a spring (61), a sleeve block (62) and a buffer plate (63). The spring (61) is mounted on the side of the mounting base (33), the sleeve block (62) passes through the spring (61), and the buffer plate (63) is mounted on the side of the sleeve block (62).

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