CN210239970U - Sealed structure of washing - Google Patents
Sealed structure of washing Download PDFInfo
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- CN210239970U CN210239970U CN201921282064.XU CN201921282064U CN210239970U CN 210239970 U CN210239970 U CN 210239970U CN 201921282064 U CN201921282064 U CN 201921282064U CN 210239970 U CN210239970 U CN 210239970U
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- flushing
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Abstract
The utility model discloses a sealed flushing structure, which comprises a first flushing pipeline, a second flushing pipeline, a connecting pipeline and at least one third flushing pipeline, wherein one end of the connecting pipeline is connected with the first flushing pipeline and the second flushing pipeline, and the other end of the connecting pipeline is connected with the third flushing pipeline; the third flushing pipeline is provided with a flow indicating device, a second flow regulating device and a pressure detecting device, the connecting pipeline is connected with a cyclone separating device and a filtering device, and the first flushing pipeline is provided with a first flow regulating device; the sealing flushing structure of the utility model can directly observe the working condition of the sealing flushing structure, is beneficial to the fault analysis and maintenance of the pump, and can filter particles in the medium; furthermore, the sealing and flushing structure is simple to disassemble, and is convenient for maintenance and replacement of parts.
Description
Technical Field
The utility model relates to a multistage pump technical field especially relates to a sealed washing structure of multistage pump.
Background
The seal flushing unit is an important component of the pump operation and it is crucial how to detect whether the seal flushing pipe is functioning properly.
At present, most of sealing and flushing components of the multistage centrifugal pump are connected by straight pipes. The sealing flushing water pipe part in the current market only consists of parts such as a sealing flushing pipe, a tee joint, an elbow, a union joint and the like. The disadvantages of sealing the flushing member are: because the pipeline is closed, the flowing condition of the fluid in the pipeline part cannot be observed visually; moreover, when containing the particulate matter in the medium, sealed washing unit is blockked up and also can't learn, can't improve through adjusting, can influence the normal operating of pump unit when the condition is serious, has great potential safety hazard.
Therefore, it is desirable to provide a sealed flushing structure capable of directly observing the flushing operation and separating the particles in the medium to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve above-mentioned problem, provide a sealed structure of washing that can direct observation sealed working condition of washing in the structure and can particulate matter in the separation medium.
In order to achieve the purpose, the sealing and flushing structure of the utility model adopts the following technical scheme.
A seal flushing structure for seal flushing of a pump, the pump including a first flushing port, a second flushing port, and at least a third flushing port, the seal flushing structure comprising: a connecting pipeline having an inlet and an outlet; one end of the first flushing pipeline is connected to the inlet of the connecting pipeline, and the other end of the first flushing pipeline is used for being connected with the first flushing hole; one end of the second flushing pipeline is connected to the inlet of the connecting pipeline, and the other end of the second flushing pipeline is used for being connected with the second flushing hole; and one end of each third flushing pipeline is connected to the outlet of the connecting pipeline, and the other end of each third flushing pipeline is used for being connected with a third flushing hole.
Furthermore, a first flow regulating device is arranged on the first flushing pipeline and used for regulating the flow of the medium in the first flushing pipeline.
Furthermore, the inlet and the outlet of the connecting pipeline are respectively connected with a cyclone separation device and a filtering device for filtering particles in the medium.
Furthermore, a flow indicating device is arranged on the third flushing pipeline and used for indicating the flowing state of the medium in the third flushing pipeline.
Furthermore, a second flow regulating device is connected to an outlet of the flow indicating device and is used for regulating the flow of the medium in the third flushing pipeline.
Further, a pressure detection device is arranged at an outlet of the second flow regulating device and used for detecting the pressure of the medium in the third flushing pipeline.
Further, a emptying stop valve is connected to the pressure detection device in parallel.
Furthermore, two third flushing pipelines are connected to the outlet of the connecting pipeline.
Furthermore, the connecting pipeline is detachably connected with the first flushing pipeline, the second flushing pipeline and the third flushing pipeline.
Furthermore, the first flushing pipeline, the second flushing pipeline and the third flushing pipeline are detachably connected with the first flushing hole, the second flushing hole and the third flushing hole respectively.
Sealed structure of washing beneficial effect lies in:
by arranging the flow indicating device, the sealing and flushing structure of the utility model can directly observe the flow of the medium in real time, and is helpful for the fault analysis and maintenance of the pump; by arranging the flow regulating device, the pressure detecting device and the emptying stop valve, the sealing and flushing structure of the utility model can regulate the pressure and the flow of the medium, thereby regulating the working state of the sealing and flushing structure; by arranging the cyclone separation device and the filtering device, the sealed flushing structure of the utility model can separate particles in the filtering medium; by adopting the detachable connection structure, the sealing and flushing structure of the utility model is simple to disassemble and assemble, and is convenient for replacing parts or overhauling; furthermore, sealed structure of washing has reasonable in design, and the practicality is strong, and advantages such as market spreading value height.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the seal flushing structure of the present invention.
Fig. 2 is a schematic structural view of another embodiment of the seal flushing structure of the present invention.
The numbers in the figures are respectively:
1. a first flushing line;
11. a first flow regulating device;
2. a second flushing line;
3. a third flushing line;
31. a flow indicating device;
32. a second flow regulating device;
33. a pressure detection device;
34. an emptying stop valve;
4. connecting a pipeline;
41. a cyclonic separating apparatus;
42. and (4) a filtering device.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a sealed washing structure, sealed washing structure can be used for the sealed washing of a pump. Wherein the pump comprises a first flushing hole, a second flushing hole and at least one third flushing hole.
Specifically, the pump is a multistage centrifugal pump, the first flushing hole is a sealed flushing hole located in the middle section, the second flushing hole is a sealed flushing hole located in the water inlet section, and the third flushing hole is a sealed flushing hole located in the packing section.
As shown in fig. 1, the utility model provides a sealed structure of washing includes that first washing pipeline 1, second wash pipeline 2, third wash pipeline 3 and connecting line 4.
As shown in fig. 1, one end of the first flushing pipeline 1 is connected to the inlet of the connecting pipeline 4, the other end of the first flushing pipe 1 is used for the first flushing hole, and a first flow rate adjusting device 11 is arranged on the first flushing pipeline 1.
Through the first flow regulating device 11, the seal flushing structure can regulate the overall flow of the medium inside the pipeline, so that the working state of the seal flushing structure is regulated as a whole.
Specifically, two ends of the first flushing pipeline 1 are detachably connected with the first flushing hole and the inlet of the connecting pipeline 4 respectively.
In the present exemplary embodiment, the first flow rate control device 11 is connected to the inlet of the first flushing line 1 by means of a welded pipe connection, and the first flow rate control device 11 is connected to a nipple and to the first flushing opening by means of the nipple.
As shown in fig. 1, one end of the second flushing pipe 2 is connected to the inlet of the connecting pipe 4, and the other end of the second flushing pipe 1 is used for the second flushing hole.
In this embodiment, one end of the second flushing pipe 2 is connected to a welded pipe joint for connecting with the second flushing hole. The other end of the second flushing pipeline 2 is connected with the inlet of the connecting pipeline 4 through another welded pipe joint.
As shown in fig. 1, the connecting line 4 has an inlet and an outlet, a cyclone device 41 and a filter device 42 are provided on the connecting line 4, and the filter device 42 is connected to the outlet of the cyclone device 41. The cyclone separation device 41 can separate impurities in the medium from water, and the filter device 42 can further separate and filter the impurities.
In this embodiment, the cyclonic separating apparatus 41 is connected to the inlet of the connecting duct 4 by a welded fitting. In addition, the cyclone separation device 41 is respectively connected with a welded pipe joint at the outlet of the first flushing pipeline 1 and a welded pipe joint at the outlet of the second flushing pipeline 2.
In the present embodiment, the inlet of the filter device 42 is connected to the connecting line 4 by a welded pipe joint, and the outlet of the filter device 42 is connected to an internal joint.
In one embodiment, the filter device 42 can be a Y-filter.
As shown in fig. 1, one end of the third flushing pipeline 3 is connected to the outlet of the connecting pipeline 4, and the other end of the third flushing pipeline 3 is used for connecting the third flushing hole.
In this embodiment, one end of the third flushing pipe 3 is connected to an internal joint at the outlet of the filtering device 42, and the other end of the third flushing pipe 3 is connected to the third flushing hole by a welded pipe joint.
As shown in fig. 1, a flow indicating device 31, a second flow rate adjusting device 32, a pressure detecting device 33, and an evacuation shutoff valve 34 are provided in this order in the inlet-to-outlet direction in the third flush pipe 3.
As shown in fig. 1, the flow indicating device 31 is arranged at the inlet of the third flushing line 3 for detecting and indicating the flow state of the medium entering the third flushing line 3.
Furthermore, the flow indicator 31 has a window through which the operator can observe the flow conditions of the balancing water line part of the multistage pump. For example, the flow indicator 31 can be used to observe whether or not there is water flow in the pipe, how much water flow is, and who or not there is impurities in the water flow.
In this embodiment, the inlet of the flow indicator 31 is connected to the nipple of the outlet of the connecting line 4, and the outlet of the flow indicator 31 is connected to the second flow regulator 32 via a nipple.
As shown in fig. 1, a second flow regulating device 32 is provided at the outlet of the flow directing device 31. The flow of the medium in the third flushing line 3 can be regulated by means of the second flow regulating device 32.
The flow capacity of the sealing flushing structure can be adjusted by adjusting the liquid flow in the sealing flushing structure, so that the flushing amount of the packing seal is adjusted, and the pump can normally run.
In this embodiment, the inlet of the second flow regulating device 32 is connected to a nipple at the outlet of the flow indicating device 31, and the outlet of the second flow regulating device 32 is connected to the pressure detecting device 33 through a nipple.
As shown in fig. 1, a pressure detection device 33 is provided at the outlet of the second flow rate adjustment device 32, and an evacuation shutoff valve 34 is connected in parallel to the pressure detection device 33.
The pressure detection device 33 can detect the flow pressure of the medium inside the third flushing line 3, so that the working personnel can conveniently detect the working and operating conditions of the pump and perform fault analysis.
In this embodiment, the pressure detecting device 33 is connected to the outlet of the second flow regulator 32 and the third flushing line 3 through a three-way joint. In particular, the three-way connection is connected to the second flow regulating device 32 and the third flushing line 3 by means of a nipple, respectively. The evacuation shutoff valve 34 is connected between the three-way joint and the pressure detection device 33.
It should be noted that in other embodiments, the number of the third flushing pipes 3 may be increased or decreased according to the number of the flushing holes of the packing section or the actual working condition requirement.
Referring to fig. 2, fig. 2 is a schematic structural view of another embodiment of the sealing and flushing structure according to the present invention. Fig. 2 differs from fig. 1 in that the sealed flushing arrangement has two of the third flushing lines. The case where the sealed flushing structure has two of the third flushing lines 3 will be described in detail below with reference to fig. 2.
As shown in fig. 2, two of the third flushing lines 3 are connected to the outlet of the connecting line 4. That is, the inlets of the two flushing lines 3 are connected in parallel to the outlet of the connecting line 4.
In this embodiment, the outlet of the filtering means 42 is connected by a nipple to a three-way union, the other two ends of which are connected by a nipple to the inlets of the two third flushing pipes 3, respectively.
Can observe the working condition of sealed structure and pump of washing through flow indicating device 31 and pressure measurement device 34 in real time, if the filler seal work of pump is unusual, the personnel of patrolling and examining can observe through flow indicating device 31 and pressure measurement device 34 and learn, can adjust the ability of overflowing of the sealed structure of washing of multistage pump through second flow adjusting device 32 and first flow adjusting device 11, adjust the sealed volume of washing of filler, make the pump normally operate. Through adopting detachable connection structure, when the pump maintenance needs to dismantle the multi-stage pump sealing flushing structure, only need dismantle with the pump body be connected the welding formula awl sealing tube connect and can, the multi-stage pump seals the flushing pipe part and wholly demolishs, and the part need not to dismantle again and decomposes. After the pump body is assembled, the welded conical sealing pipe joint connected with the pump body is integrated.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A seal flushing structure for seal flushing of a pump, the pump including a first flushing port, a second flushing port, and at least a third flushing port, the seal flushing structure comprising:
a connecting pipeline having an inlet and an outlet;
one end of the first flushing pipeline is connected to the inlet of the connecting pipeline, and the other end of the first flushing pipeline is used for being connected with the first flushing hole;
one end of the second flushing pipeline is connected to the inlet of the connecting pipeline, and the other end of the second flushing pipeline is used for being connected with the second flushing hole; and the number of the first and second groups,
and one end of each third flushing pipeline is connected to the outlet of the connecting pipeline, and the other end of each third flushing pipeline is used for being connected with a third flushing hole.
2. A seal flushing arrangement according to claim 1, characterised in that a first flow regulating device is arranged in the first flushing line for regulating the flow of the medium in the first flushing line.
3. The seal-flushing structure of claim 1, wherein a cyclone device and a filter device are connected to the inlet and the outlet of the connecting line, respectively, for filtering particles in the medium.
4. Seal flushing arrangement according to claim 1, characterized in that a flow indication device is provided on the third flushing line for indicating the flow status of the medium in the third flushing line.
5. The seal flushing arrangement of claim 4, wherein a second flow regulating device is connected to the outlet of the flow directing device for regulating the flow of the medium in the third flushing line.
6. A seal flushing arrangement according to claim 5, characterised in that a pressure sensing device is provided at the outlet of the second flow regulating device for sensing the pressure of the medium in the third flushing line.
7. The seal flushing structure according to claim 6, wherein a drain cut valve is connected in parallel to the pressure detection device.
8. The seal flushing structure of claim 1, wherein two of the third flushing lines are connected to the outlet of the connecting line.
9. The seal flushing structure of claim 1, wherein the connection line is detachably connected to the first flushing line, the second flushing line, and the third flushing line.
10. The seal flushing structure of claim 1, wherein the first flushing line, the second flushing line, and the third flushing line are detachably connected to the first flushing port, the second flushing port, and the third flushing port, respectively.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019211284698 | 2019-07-17 | ||
| CN201921128469 | 2019-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210239970U true CN210239970U (en) | 2020-04-03 |
Family
ID=69963805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921282064.XU Active CN210239970U (en) | 2019-07-17 | 2019-08-07 | Sealed structure of washing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210239970U (en) |
-
2019
- 2019-08-07 CN CN201921282064.XU patent/CN210239970U/en active Active
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