Pipeline delivery pump mechanical seal leakage detection device
By combining sensors and alarm devices, the problem of lag in mechanical seal leakage detection in existing technologies has been solved, enabling real-time and accurate leakage detection and improving the stability and reliability of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-03-24
AI Technical Summary
Existing mechanical seal leakage detection devices cannot detect leaks in real time, and the shared device between the drive end and the non-drive end makes it impossible to quickly and accurately determine the leakage point, and the alarm delay is serious.
By employing sensors, counters, and alarm devices, the sensors convert the mechanical seal leakage signal into an electrical signal, which is then counted by the counter and triggered by the alarm device, enabling real-time detection and accurate early warning.
It enables real-time and accurate detection of mechanical seal leaks, eliminates alarm lag, and improves the accuracy and stability of detection.
Smart Images
Figure CN224034855U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipeline equipment leak detection equipment technical field especially, relates to a pipeline delivery pump mechanical seal leak detection device. BACKGROUND
[0002] The current mechanical seal uses leak detection device for tuning fork liquid level meter (upper limit detection / top installation), and oil pump drive end and non drive end share an device, cannot fast and accurately judge which end mechanical seal leakage exceeds the standard. According to this device working principle, when the leakage reaches the set liquid level (factory setting value: action point 25mm), only alarm and interlock can be triggered, and there is hysteresis.
[0003] The leak detection device in the prior art has the following problems:
[0004] 1. Mechanical seal leakage and leakage condition can only be observed through artificial opening of the observation cover, and real-time detection cannot be carried out.
[0005] 2. Mechanical seal leakage shares an device at the drive end and the non drive end, and it is impossible to quickly and accurately determine which end mechanical seal leakage exceeds the standard.
[0006] 3. When the mechanical seal leakage reaches a certain liquid level, only alarm and interlock can be triggered, and there is hysteresis. INVENTION CONTENTS
[0007] The utility model solves the technical problem of the prior art, and provides a pipeline delivery pump mechanical seal leak detection device.
[0008] The technical scheme for solving the above technical problem is as follows: a pipeline delivery pump mechanical seal leak detection device, comprising: a sensor, a counter, an alarm device and a box body, the counter and the alarm device are installed in the box body, and the sensor is connected with the counter and the alarm device.
[0009] The beneficial effects of the technical scheme of the utility model are as follows: when the water droplets or oil droplets of mechanical seal leakage pass through the sensor, the signal is converted into an electrical signal output, passes through the counter, and alarms through the alarm device, so as to achieve the purpose of prompting the post personnel to detect the mechanical seal leakage condition in real time. Real-time observation and detection are carried out on the mechanical seal leakage, mechanical seal leakage can be real-time and accurate early warning, and alarm hysteresis is eliminated.
[0010] Further, a sensor shell is arranged on the sensor, the sensor shell is flush with the dropper port, and the dropper port is connected with the pipeline delivery pump mechanical seal.
[0011] The beneficial effects of the further technical scheme are that the sensor shell is flush with the burette opening, liquid drops can pass through the sensor for detection, liquid drops are prevented from leaking to the outside of the sensor, the detection accuracy is improved, and the stability and reliability of the pipeline conveying pump mechanical seal leakage detection device are improved.
[0012] Further, a blowdown pipeline and a blowdown collector are arranged below the sensor, the blowdown collector is a conical barrel structure, and the blowdown pipeline is connected with the blowdown collector.
[0013] The beneficial effects of the further technical scheme are that the blowdown pipeline and the blowdown collector are arranged to guide the liquid drops detected by the sensor for blowdown treatment and to collect the liquid drops.
[0014] Further, the sensor is a rectangular light curtain photoelectric conversion sensor.
[0015] The beneficial effects of the further technical scheme are that the photoelectric sensor preferably uses a rectangular light curtain for blind area detection, the detection range is wide, the sensing is sensitive, various materials of objects can be detected, water drops, oil drops, any transparent or opaque objects with a diameter of 0.3 mm or more can be detected, the detection is accurate and no detection is missed, and the detection is up to 10,000 times per second.
[0016] Further, the alarm device is an alarm lamp.
[0017] The beneficial effects of the further technical scheme are that the alarm device can alarm the user when the pipeline conveying pump mechanical seal leaks, and the user can intuitively determine whether the pipeline conveying pump mechanical seal leaks by observing the alarm device.
[0018] Further, the counter is a counter with a reset and time-limited accumulation function.
[0019] The beneficial effects of the further technical scheme are that the counter has a reset function, can receive the sensor output signal, and accurately counts. At the same time, the counter has a time-limited accumulation function, that is, when the count reaches a set amount within a set time, an additional alarm is generated.
[0020] Further, the sensor, the counter, and the alarm device are all connected with a transformer.
[0021] The beneficial effects of the further technical scheme are that the transformer is used for power distribution of the sensor, the counter, and the alarm device.
[0022] Further, the transformer is an AC 220V to DC 24V transformer.
[0023] The beneficial effect of the further technical scheme is that the transformer is used for power distribution for the sensor, the counter and the alarm device.
[0024] Further, the sensor is connected with the counter, the alarm device and the transformer through the wiring terminal respectively, and the counter and the alarm device are connected with the transformer through the wiring terminal.
[0025] The beneficial effect of the further technical scheme is that when the water droplet or the oil droplet of the mechanical seal leakage passes through the photoelectric conversion sensor, the light signal is converted into an electric signal output, and the alarm lamp is flickered through the counter, so that the post personnel can be prompted to detect the mechanical seal leakage in real time.
[0026] Further, the box is an explosion-proof distribution box.
[0027] The beneficial effect of the further technical scheme is that the explosion-proof distribution box is preferably: IP65 protection level, cast aluminum alloy explosion-proof touch screen box, suitable for various industrial environments.
[0028] The advantages of the additional aspects of the present application will be partially given in the following description, partially become obvious from the following description, or be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0029] Figure 1 Fig. 1 is a structural schematic diagram of a pipeline conveying pump mechanical seal leakage detection device provided by an embodiment of the present application.
[0030] Figure 2 Fig. 2 is another structural schematic diagram of a pipeline conveying pump mechanical seal leakage detection device provided by an embodiment of the present application.
[0031] Explanation of reference numerals: 1, sensor; 2, counter; 3, alarm device; 4, box; 5, dropper opening; 6, blowdown pipeline; 7, blowdown collector; 8, transformer; 9, wiring terminal. DETAILED DESCRIPTION
[0032] The principles and characteristics of the present application are described below in combination with the drawings, and the embodiments are only used to explain the present application, and are not used to limit the scope of the present application.
[0033] As Figure 1 and Figure 2As shown, the utility model embodiment provides a kind of pipeline conveying pump mechanical seal leakage detection device, comprising: sensor 1, counter 2, alarm device and box 4, the counter 2 and the alarm device 3 are all installed in the box 4, the sensor 1 is connected with the counter 2 and the alarm device 3 respectively.
[0034] The beneficial effects of the technical scheme of the utility model are: when the water droplets or oil droplets leaked by the mechanical seal pass through the sensor, the signal is converted into an electrical signal output, passes through the counter, and alarms through the alarm device, to achieve the purpose of prompting the post personnel to detect the mechanical seal leakage in real time.The mechanical seal leakage is observed and detected in real time, to ensure that the mechanical seal leakage can be accurately warned in real time, and to eliminate the alarm lag.
[0035] The pipeline conveying pump mechanical seal leakage detection device provided by the utility model embodiment can observe and detect the mechanical seal leakage in real time, to ensure that the mechanical seal leakage can be accurately warned in real time, and to eliminate the alarm lag.
[0036] Working principle: when the water droplets or oil droplets leaked by the mechanical seal pass through the photoelectric conversion sensor (sensor), the optical signal is converted into an electrical signal output, passes through the counting sensor (counter), and makes the alarm lamp (alarm device) flicker, to achieve the purpose of prompting the post personnel to detect the mechanical seal leakage in real time.
[0037] As shown in Figure 1 and Figure 2 Further, the sensor 1 is provided with a sensor shell, the sensor shell is flush with the dropper port 5, and the dropper port 5 is connected with the pipeline conveying pump mechanical seal.
[0038] The beneficial effects of the above further technical scheme are: the sensor shell is flush with the dropper port, which facilitates the detection of liquid droplets by the sensor, prevents liquid droplets from leaking to the outside of the sensor, improves the detection accuracy, and improves the stability and reliability of the pipeline conveying pump mechanical seal leakage detection device.
[0039] As shown in Figure 2 and Figure 2 , the dashed line represents the position where the dropper port 5 is flush with the sensor shell, and the arrow represents the light transmission direction and path of the sensor.
[0040] As shown in Figure 1 and Figure 2 , further, the lower part of the sensor 1 is provided with a blowdown pipeline 6 and a blowdown collector 7, the blowdown collector 7 is a conical barrel structure, and the blowdown pipeline 6 is connected with the blowdown collector 7.
[0041] The beneficial effects of the further technical scheme are that the sewage pipeline and the sewage collector are arranged, so that the liquid drops detected by the sensor can be guided for sewage treatment and collected.
[0042] As shown in Figure 1 and Figure 2 , further, the sensor 1 is a rectangular light curtain photoelectric conversion sensor.
[0043] The beneficial effects of the further technical scheme are that the photoelectric sensor is preferably a rectangular light curtain, and there is no blind area for detection. The detection range is extensive, the sensitivity is high, various materials of objects can be detected, and ≧0.3mm diameter water drops, oil drops, any transparent or opaque objects, etc. can be detected. The detection is accurate and no detection is missed, and the detection is up to 10,000 times per second.
[0044] As shown in Figure 1 and Figure 2 , further, the alarm device 3 is an alarm lamp.
[0045] The beneficial effects of the further technical scheme are that the user can be alarmed when the mechanical seal of the pipeline conveying pump leaks, and the user can intuitively observe the alarm device to determine whether the mechanical seal of the pipeline conveying pump leaks.
[0046] As shown in Figure 1 and Figure 2 , further, the counter 2 is a counter with reset and time-limited accumulation functions.
[0047] The beneficial effects of the further technical scheme are that the counter has a reset function, can receive the sensor output signal, and accurately counts. At the same time, it has a time-limited accumulation function, that is, when the count reaches the set amount within the set time, an additional alarm will be generated.
[0048] As shown in Figure 1 and Figure 2 , further, the sensor 1, the counter 2 and the alarm device 3 are all connected with a transformer 8.
[0049] The beneficial effects of the further technical scheme are that the transformer is used for power distribution for the sensor, the counter and the alarm device.
[0050] As shown in Figure 1 and Figure 2 , further, the transformer 8 is an AC220V to DC24V transformer.
[0051] The beneficial effects of the further technical scheme are that the transformer is used for power distribution for the sensor, the counter and the alarm device. The applicability of the mechanical seal leakage detection device of the pipeline conveying pump is improved.
[0052] AsFigure 1 and Figure 2 As shown in the figure, further, the sensor 1 is connected with the counter 2, the alarm device 3 and the transformer 8 through the terminal 9 respectively, and the counter 2 and the alarm device 3 are connected with the transformer 8 through the terminal 9.
[0053] The beneficial effect of the further technical scheme is that when the water droplets or oil droplets leaked from the mechanical seal pass through the photoelectric conversion sensor, the light signal is converted into an electric signal output, and the counter and the alarm light are flickered, so as to prompt the post personnel to detect the leakage condition of the mechanical seal in real time.
[0054] As shown in the figure, Figure 1 and Figure 2 As shown in the figure, further, the box 4 is an explosion-proof distribution box.
[0055] The beneficial effect of the further technical scheme is that the explosion-proof distribution box is preferably: IP65 protection level, cast aluminum alloy explosion-proof touch screen box, suitable for various industrial environments.
[0056] 1. The photoelectric sensor (sensor) is preferably: rectangular light curtain, no blind area detection; wide detection range, sensitive, can detect objects of various materials, can detect >=0.3mm diameter water droplets, oil droplets, any transparent or opaque objects, etc., accurate and no missed detection, up to 10000 times per second.
[0057] 2. The counter (with reset) is preferably: capable of receiving sensor output signals and accurately counting; at the same time, it has a time-limited cumulative function (i.e. when the set amount is reached within the set time, an additional alarm will be generated).
[0058] 3. The transformer is preferably: power type AC220V to DC24V; power protection: over-temperature, over-current, short-circuit, over-voltage protection.
[0059] 4. The explosion-proof distribution box (box) is preferably: IP65 protection level, cast aluminum alloy explosion-proof touch screen box, suitable for various industrial environments.
[0060] The mechanical seal leakage detection device (pipeline conveying pump mechanical seal leakage detection device) provided by the embodiment of the utility model is suitable for long liquid pipeline equipment technical field, in particular to a long liquid pipeline conveying pump, which can detect the mechanical seal leakage in real time, and has a pre-alarm compared with the tuning fork liquid level meter, ensures the visualization of the mechanical seal leakage, and has a wide application prospect.
[0061] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A device for detecting leakage of a mechanical seal in a pipeline pump, characterized in that, include: The system includes a sensor, a counter, an alarm device, and a housing. The counter and the alarm device are both installed in the housing, and the sensor is connected to both the counter and the alarm device.
2. The pipeline pump mechanical seal leakage detection device according to claim 1, characterized in that, The sensor is equipped with a sensor housing, which is flush with the drip nozzle, and the drip nozzle is mechanically sealed to the pipeline pump.
3. The pipeline pump mechanical seal leakage detection device according to claim 1, characterized in that, Below the sensor is a sewage pipe and a sewage collector. The sewage collector has a conical barrel structure, and the sewage pipe is connected to the sewage collector.
4. The pipeline pump mechanical seal leakage detection device according to claim 1, characterized in that, The sensor is a rectangular light curtain photoelectric conversion sensor.
5. The pipeline pump mechanical seal leakage detection device according to claim 1, characterized in that, The alarm device is an alarm light.
6. The pipeline pump mechanical seal leakage detection device according to claim 1, characterized in that, The counter is a counter with reset and timed accumulation functions.
7. The pipeline pump mechanical seal leakage detection device according to claim 1, characterized in that, The sensor, the counter, and the alarm device are all connected to a transformer.
8. The pipeline pump mechanical seal leakage detection device according to claim 7, characterized in that, The transformer is an AC220V to DC24V transformer.
9. The pipeline pump mechanical seal leakage detection device according to claim 7, characterized in that, The sensor is connected to the counter, the alarm device, and the transformer via terminals, and the counter and the alarm device are both connected to the transformer via terminals.
10. The pipeline pump mechanical seal leakage detection device according to claim 1, characterized in that, The enclosure is an explosion-proof distribution box.