A submersible pump seal monitoring device
A technology of monitoring device and submersible pump, applied in pump device, pump, pump control and other directions, can solve problems such as the influence of working stability of submersible pump, and achieve the effect of improving working stability
Active Publication Date: 2020-09-08
WUHAN MARINE MACHINERY PLANT
View PDF8 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] However, since the part connecting the pump main body and the impeller is immersed in the liquid cargo medium, even if the mechanical seal at the part where the pump main body is connected to the connecting shaft is damaged and the hydraulic oil in the pump main body seeps into the liquid cargo medium, it is difficult for the staff to notice , the working stability of the submersible pump is affected
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0023] In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.
[0024] figure 1 This is a schematic diagram of the use state of a submersible pump seal monitoring device provided by an embodiment of the present invention. In order to illustrate the application scenario of the submersible pump seal monitoring device provided by the embodiment of the present invention, the following will be combined with figure 1 The embodiments of the present invention will be explained. like figure 1 As shown, the submersible pump seal monitoring device 1 is suitable for a submersible pump 10 including at least a pump main body 101 and an impeller 102. The impeller 102 and the pump main body 101 are connected by a connecting shaft 103. There is a mechanical seal 104 . When the submersible pump 10 is in operation, the c...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a seal monitoring device of an immersed pump, and belongs to the technical field of marine machinery. An auxiliary seal monitoring component is arranged on a main pump body, sothat a seal cavity is formed among the auxiliary seal monitoring component, the main pump body and a connecting shaft. Monitoring oil is poured into a monitoring box and enters the seal cavity alonga connecting pipe for connecting the monitoring box with the seal cavity until the seal cavity is filled, and gas inside the seal cavity is exhausted by an exhaust pipe. The pressure of the monitoringoil is lower than that of hydraulic oil inside the main pump body, when a mechanical seal between the main pump body and the connecting shaft is damaged, the hydraulic oil inside the main pump body can be leaked into the seal cavity, so that the volume of the monitoring oil inside the seal cavity is increased, part of the monitoring oil is extruded into the monitoring box, and the position of themonitoring oil inside the monitoring box can rise. A worker can judge whether the mechanical seal between the main pump body and the connecting shaft is damaged according to the volume change of themonitoring oil inside the monitoring box, and then the mechanical seal can be changed or maintained timely, so that the working stability of the immersed pump is improved.
Description
technical field [0001] The invention relates to the technical field of marine machinery, in particular to a submersible pump seal monitoring device. Background technique [0002] The submersible pump is a pump that is immersed in the cargo tank of an oil tanker for liquid cargo transmission. It is widely used in oil tankers such as product oil tankers and chemical tankers. The structure of the submersible pump mainly includes a pump main body and an impeller, and the pump main body and the impeller are connected by a connecting shaft. The parts connected with the pump body and the impeller need to be immersed in the liquid cargo medium to realize the function of the pump body and the impeller to extract the liquid cargo medium and transport it to other parts. Prevent the hydraulic oil in the pump body from penetrating into the liquid cargo medium and affect the normal operation of the submersible pump. [0003] However, since the parts connecting the pump main body and the...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): F04D15/00F04D13/08
CPCF04D13/08F04D15/00F04D15/0077
Inventor 易奇昌赵雷刚李战
Owner WUHAN MARINE MACHINERY PLANT