An external liquid level meter for a sewage pump

By designing an external liquid level of the sewage pump, the use of components such as guides and induction discs for liquid level testing, solving the problem of hollow metal tube stuck and stuck in existing sewage equipment, realized Stable start -stop control and equipment protection of sewage pumps.

CN114935381BActive Publication Date: 2025-01-28HUANENG WUHAN POWER GENERATION CO LTD
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Patent Information

Application Number
CN202210275749.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-03-21
Publication Date
2025-01-28
Estimated Expiration
2042-03-21

AI Technical Summary

Technical Problem

In existing sewage discharge equipment, hollow metal pipes are prone to jamming, jamming and corrosion, resulting in the sewage discharge pump idling at low water level or not turning at high water level, causing equipment damage.

Method used

Design an external liquid level meter with a sewage pump, using a guide rod fixed rack, guide rod, induction disc, close to switch, floating ball, ring -limited block and auxiliary detection components, and through the liquid level detection structure and auxiliary detection component components Double measurement of the liquid depth in the sewage tank to avoid errors.

Benefits of technology

The effective start -stop control of the sewage pump is achieved, avoiding equipment damage, simple schemes, low cost, strong versatility and adaptability, and suitable for a variety of factory environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses an external liquid level gauge for a sewage pump. The beneficial effect of the present invention is that the liquid depth in the sewage tank is measured by means of a liquid level detection structure and an auxiliary detection component therein, and errors are avoided by double measurement. The implementation scheme is simple and low in cost, and the components are relatively commonly used. They are universal and highly adaptable and easy to promote. In factories with more equipment and buildings below zero meters, the maintenance convenience brought by the present invention is more obvious. On the one hand, when problems occur in the control mechanism.
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Description

Technical Field

[0001] The invention relates to the technical field of sewage treatment monitoring, in particular to an external liquid level meter for a sewage pump. Background Art

[0002] The existing sewage equipment uses a float mechanism to cooperate with the capacitor in the hollow metal tube to realize the start and stop control of the water pump. Due to the high amount of coal dust and powder in the coal transportation system and the humid environment, the hollow metal tube often gets stuck, blocked, and corroded. The sewage pump often runs idle at low water level or stops at high water level, causing great damage to the equipment. In view of this, in-depth research on the above problems led to the creation of this case. Summary of the invention

[0003] The technical solution of the present invention to achieve the above object is: an external liquid level gauge for a sewage pump, comprising: a sewage tank, in which a sewage structure and a liquid level detection structure are installed;

[0004] The liquid level detection structure comprises: a guide rod fixing frame, a guide rod, a sensing disc, a proximity switch, a floating ball, a plurality of circular limit blocks and an auxiliary detection component;

[0005] The guide rod fixing frame is installed on the inner side of the sewage tank, a plurality of the circular limit blocks are evenly installed on the guide rod fixing frame, the guide rod is movably inserted on the inner side of a plurality of the circular limit blocks, the induction disc is installed on the guide rod fixing frame, the proximity switch is installed on the sewage tank, the float is installed on the guide rod, and the auxiliary detection component is installed on the sewage tank.

[0006] Preferably, the sewage discharge structure comprises: a sewage pump motor pile, a sewage pump body, a circular bracket, a plurality of auxiliary drainage pipes and an auxiliary cutting assembly;

[0007] The circular bracket is installed on the inner bottom end of the sewage tank, the sewage pump body is installed on the circular bracket, the sewage pump motor pile is installed on the sewage pump body, and a plurality of auxiliary drainage pipes are respectively inserted on the circular bracket.

[0008] Preferably, the auxiliary detection assembly comprises: a circular concave block, an auxiliary detection tube, a hydraulic membrane, a squeeze ball, a pressure sensor and a liquid sensor;

[0009] The annular concave block is installed on the side wall of the sewage tank, the auxiliary detection tube is inserted into the annular concave block on the sewage tank, the hydraulic membrane is installed on the annular concave block, the squeezing ball is installed on the hydraulic membrane, the pressure sensor is installed on the auxiliary detection tube, the liquid sensor is installed on the inner side of the auxiliary detection tube, and the liquid sensor is located between the hydraulic membrane and the pressure sensor.

[0010] Preferably, the auxiliary cutting assembly comprises: a plurality of limiting discs, a plurality of limiting shafts, a plurality of limiting driving machines, a plurality of cutting blades, a plurality of limiting grinding rollers, a plurality of grinding cylindrical grinding discs and a plurality of protective cylindrical plates;

[0011] Several of the limit discs are respectively installed on the inner sides of several of the auxiliary drainage tubes, several of the limit shafts are respectively inserted on several of the limit discs in several of the auxiliary drainage tubes through bearings, several of the limit driving machines are respectively installed on several of the limit discs, and the driving ends of several of the limit driving machines are respectively connected to several of the limit shafts, several of the cutting blades are respectively installed on several of the limit shafts, several of the limit grinding rollers are respectively installed on several of the limit shafts, several of the grinding cylindrical grinding discs are respectively installed on the inner sides of several of the auxiliary drainage tubes, several of the protective cylindrical plates are respectively installed on several of the limit discs on both sides, and several of the protective cylindrical plates are respectively mounted on the driving ends of several of the limit driving machines, several of the limit discs are respectively provided with several drainage holes, and several of the drainage holes are opened in a circular ring shape on several of the limit discs.

[0012] Preferably, a vibration-proof blocking structure is installed in the sewage tank;

[0013] The vibration anti-blocking structure comprises: a plurality of vibration shaft tubes, a plurality of vibration shafts, a plurality of rotating fan-shaped blocks, a plurality of vibration balls, a plurality of rotating concave wheels, a vibration driving machine, a vibration driving concave wheel and a vibration belt;

[0014] A plurality of the vibration shaft tubes are uniformly inserted into the inner side of the sewage tank, a plurality of the vibration shafts are movably inserted into the inner sides of the plurality of the vibration shaft tubes, a plurality of the rotating sector blocks are respectively installed on the plurality of the vibration shafts, a plurality of the rotating sector blocks are respectively provided with a plurality of vibration ball grooves, a plurality of the vibration balls are movably inserted into the inner sides of the plurality of the vibration ball grooves, a plurality of the rotating concave wheels are respectively installed on the plurality of the vibration shafts, the vibration driving machine is installed on the sewage tank, the vibration driving concave wheel is installed on the driving end of the vibration driving machine, and the vibration belt is sleeved on the vibration driving concave wheel and the plurality of the rotating concave wheels.

[0015] Preferably, the proximity switch is horizontally parallel to the auxiliary drainage tube.

[0016] Preferably, a plurality of expansion annular plates are arranged on the outer sides of the plurality of vibration shaft tubes.

[0017] Preferably, a plurality of vibration shaft tubes are respectively provided with vibration concave grooves on their inner sides, and a plurality of vibration balls are respectively and movably inserted into the inner sides of the plurality of vibration concave grooves.

[0018] Preferably, a plurality of expansion regulators are arranged on the outer side of the sewage tank, and a plurality of the expansion regulators are sleeved on the vibration belt.

[0019] Preferably, chamfered arc blocks are respectively provided on the limiting discs.

[0020] The external liquid level gauge for the sewage pump manufactured by utilizing the technical solution of the present invention measures the liquid depth in the sewage tank through the liquid level detection structure and the auxiliary detection components therein, and avoids the occurrence of errors through double measurement. The implementation scheme is simple and low in cost, and the components used are relatively commonly used. They are versatile, highly adaptable, and easy to promote. In factories with more equipment and buildings below zero meters, the maintenance convenience brought by the invention is more obvious. On the one hand, when there is a problem with the control mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the main structure of an external liquid level gauge for a sewage pump according to the present invention.

[0022] Figure 2 The figure is a schematic side view of the structure of an external liquid level gauge for a sewage pump according to the present invention.

[0023] Figure 3 The figure is a schematic top view of the structure of an external liquid level gauge for a sewage pump according to the present invention.

[0024] Figure 4 for Figure 1 A magnified view of the structure of part "A".

[0025] Figure 5 for Figure 2 A magnified view of the structure of part "B".

[0026] In the figure: 1. sewage tank; 2. guide rod fixing frame; 3. guide rod; 4. induction disc; 5. proximity switch; 6. float; 7. circular ring limit block; 8. sewage pump motor pile; 9. sewage pump body; 10. round bracket; 11. auxiliary drainage pipe; 12. circular ring concave block; 13. auxiliary detection tube; 14. hydraulic membrane; 15. squeeze ball; 16. pressure sensor; 17. liquid sensor; 18. limit disc; 19. limit shaft; 20. limit drive machine; 21. cutting blade; 22. limit grinding roller; 23. grinding cylindrical grinding disc; 24. protective cylindrical plate; 25. vibration shaft tube; 26. vibration shaft; 27. rotating fan-shaped block; 28. vibration ball; 29. ​​rotating concave wheel; 30. vibration drive machine; 31. vibration drive concave wheel; 32. vibration belt. DETAILED DESCRIPTION

[0027] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and does not explain the electrical control.

[0028] Example 1

[0029] like Figure 1 As shown, a sewage discharge structure and a liquid level detection structure are installed in the sewage discharge tank 1;

[0030] Specifically, the liquid level detection structure includes: a guide rod 3 fixing frame 2, a guide rod 3, a sensing disc 4, a proximity switch 5, a floating ball 6, a plurality of circular limit blocks 7 and an auxiliary detection component;

[0031] Specifically, the guide rod 3 fixing frame 2 is installed on the inner side of the sewage tank 1, a plurality of the circular limit blocks 7 are evenly installed on the guide rod 3 fixing frame 2, the guide rod 3 is movably inserted on the inner side of a plurality of the circular limit blocks 7, the induction disc 4 is installed on the guide rod 3 fixing frame 2, the proximity switch 5 is installed on the sewage tank 1, the float 6 is installed on the guide rod 3, and the auxiliary detection component is installed on the sewage tank 1.

[0032] When in use, the guide rod 3 is limited by the guide rod 3 fixing frame 2 and a plurality of circular limit blocks 7. When the float 6 on the guide rod 3 is subjected to the buoyancy of the sewage in the sewage tank 1, the guide rod 3 thereon is driven by the float 6 to rise and fall along the plurality of circular limit blocks 7. When the float 6 approaches the proximity switch 5, the proximity switch 5 starts the sewage discharge structure operation, and the sewage in the sewage tank 1 is discharged.

[0033] Example 2

[0034] like Figure 1-3 As shown, the sewage discharge structure includes: a sewage pump motor pile 8, a sewage pump body 9, a circular bracket 10, a plurality of auxiliary drainage pipes 11 and an auxiliary cutting assembly;

[0035] Specifically, the circular bracket 10 is installed on the inner bottom end of the sewage tank 1, the sewage pump body 9 is installed on the circular bracket 10, the sewage pump motor pile 8 is installed on the sewage pump body 9, and several auxiliary drainage pipes 11 are respectively inserted into the circular bracket 10.

[0036] When in use, the sewage pump motor pile 8 is operated to drive the sewage pump body 9 on the driving end of the sewage pump motor pile 8, and the sewage on the outside of the circular bracket 10 is pumped to the inside of several auxiliary drainage pipes 11 through the sewage pump body 9. The sewage is cut by the auxiliary cutting components on the auxiliary drainage pipes 11, which avoids the phenomenon of sewage blocking the sewage pump body 9. The sewage pump motor pile 8 pumps the sewage out of the sewage tank 1.

[0037] Example 3

[0038] like Figure 2 As shown, the auxiliary detection assembly includes: a circular concave block 12, an auxiliary detection tube 13, a hydraulic membrane 14, a squeeze ball 15, a pressure sensor 16 and a liquid sensor 17;

[0039] Specifically, the annular concave block 12 is installed on the side wall of the sewage tank 1, the auxiliary detection tube 13 is inserted into the annular concave block 12 on the sewage tank 1, the hydraulic membrane 14 is installed on the annular concave block 12, the squeezing ball 15 is installed on the hydraulic membrane 14, the pressure sensor 16 is installed on the auxiliary detection tube 13, the liquid sensor 17 is installed on the inner side of the auxiliary detection tube 13, and the liquid sensor 17 is located between the hydraulic membrane 14 and the pressure sensor 16.

[0040] During use, when the liquid level in the sewage tank 1 is too high, the hydraulic membrane 14 in the annular concave block 12 on the side wall of the sewage tank 1 is subjected to hydraulic squeezing, causing the hydraulic membrane 14 to deform. At the same time, the hydraulic membrane 14 squeezes the squeezing ball 15, causing the squeezing ball 15 to squeeze the pressure sensor 16 in the auxiliary detection tube 13. The pressure generated by the squeezing is detected by the pressure sensor 16. The pressure detected by the pressure sensor 16 can detect the hydraulic pressure in the sewage tank, and the liquid level height in the sewage tank 1 can be measured through the hydraulic pressure.

[0041] Example 4

[0042] like Figure 4 As shown, the auxiliary cutting assembly includes: a plurality of limiting discs 18, a plurality of limiting shafts 19, a plurality of limiting driving machines 20, a plurality of cutting blades 21, a plurality of limiting grinding rollers 22, a plurality of grinding cylindrical grinding discs 23 and a plurality of protective cylindrical plates 24;

[0043] Specifically, a plurality of the limiting discs 18 are respectively installed on the inner sides of a plurality of the auxiliary drainage tubes 11, a plurality of the limiting shafts 19 are respectively inserted on a plurality of the limiting discs 18 in a plurality of the auxiliary drainage tubes 11 through bearings, a plurality of the limiting driving machines 20 are respectively installed on a plurality of the limiting discs 18, and a plurality of the driving ends of the limiting driving machines 20 are respectively connected to a plurality of the limiting shafts 19, a plurality of the cutting blades 21 are respectively installed on a plurality of the limiting shafts 19, and a plurality of the limiting driving machines 20 are respectively installed on a plurality of the limiting shafts 19. The limiting grinding rollers 22 are respectively installed on the plurality of limiting shafts 19, the plurality of grinding cylindrical grinding discs 23 are respectively installed on the inner sides of the plurality of auxiliary drainage tubes 11, the plurality of protective cylindrical plates 24 are respectively installed on the plurality of limiting discs 18 on both sides, and the plurality of protective cylindrical plates 24 are respectively mounted on the driving ends of the plurality of limiting driving machines 20, and the plurality of limiting discs 18 are respectively provided with a plurality of drainage holes, and the plurality of drainage holes are respectively provided on the plurality of limiting discs 18 in a circular shape.

[0044] When in use, the limit driving machine 20 in the protective cylindrical plate 24 runs, driving the limit shaft 19 on the driving end of the limit driving machine 20 to rotate, and the limit grinding roller 22 and the cutting blade 21 thereon are driven by the limit shaft 19. The solid matter in the sewage is cut by the cutting blade 21, and the solid matter is cut into a certain size. At the same time, the rotating limit grinding roller 22 cooperates with a plurality of grinding cylindrical grinding discs 23 to grind the cut solid matter into a certain size.

[0045] Example 5

[0046] like Figure 5 As shown, a vibration-proof blocking structure is installed in the sewage tank 1;

[0047] Specifically, the vibration anti-blocking structure includes: a plurality of vibration shafts 26 tubes 25, a plurality of vibration shafts 26, a plurality of rotating fan-shaped blocks 27, a plurality of vibration balls 28, a plurality of rotating concave wheels 29, a vibration driving machine 30, a vibration driving concave wheel 31 and a vibration belt 32;

[0048] Specifically, several vibration shafts 26 tubes 25 are evenly inserted into the inner side of the sewage tank 1, several vibration shafts 26 are movably inserted into the inner sides of several vibration shaft 26 tubes 25, several rotating fan-shaped blocks 27 are respectively installed on several vibration shafts 26, several rotating fan-shaped blocks 27 are respectively provided with several vibration ball 28 grooves, several vibration balls 28 are movably inserted into the inner sides of several vibration ball 28 grooves, several rotating concave wheels 29 are respectively installed on several vibration shafts 26, the vibration driving machine 30 is installed on the sewage tank 1, the vibration driving concave wheel 31 is installed on the driving end of the vibration driving machine 30, and the vibration belt 32 is sleeved on the vibration driving concave wheel 31 and several rotating concave wheels 29.

[0049] When in use, the vibration driving machine 30 is operated to drive the vibration driving concave wheel 31 on the driving end of the vibration driving machine 30 to rotate, and the vibration driving concave wheel 31 drives the vibration belt 32 thereon to rotate, and the vibration belt 32 drives the several rotating concave wheels 29 thereon to rotate, and the several rotating concave wheels 29 respectively drive the vibration shaft 26 thereon to rotate, and the several rotating sector blocks 27 respectively drive the vibration balls 28 thereon through the several rotating sector blocks 27, and the several vibration balls 28 respectively rotate with the several vibration shafts 26 tubes 25, and the friction vibration of the vibration shafts 26 tubes 25 transmits the vibration to the sewage tank 1 for vibration, and the blockage of the sewage tank 1 is avoided by generating vibration in the sewage tank 1.

[0050] As a preferred solution, further, the proximity switch 5 is horizontally parallel to the auxiliary drainage tube 11 .

[0051] As a preferred solution, further, a plurality of expansion annular plates are provided on the outer sides of the plurality of vibration shafts 26 tubes 25 .

[0052] As a preferred solution, further, the inner sides of the plurality of vibration shafts 26 tubes 25 are respectively provided with vibration concave grooves, and the plurality of vibration balls 28 are respectively movably inserted into the inner sides of the plurality of vibration concave grooves.

[0053] As a preferred solution, further, a plurality of expansion regulators are provided on the outer side of the sewage tank 1 , and the plurality of expansion regulators are sleeved on the vibration belt 32 .

[0054] As a preferred solution, further, chamfered arc blocks are respectively provided on the limiting disc 18 .

[0055] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the present invention. Some changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the present invention and fall within the protection scope of the present invention.

Claims

1. An external liquid level gauge for a sewage pump, comprising: The sewage tank is characterized in that a sewage discharge structure and a liquid level detection structure are installed in the sewage tank; The liquid level detection structure comprises: a guide rod fixing frame, a guide rod, a sensing disc, a proximity switch, a floating ball, a plurality of circular limit blocks and an auxiliary detection component; The guide rod fixing frame is installed on the inner side of the sewage tank, a plurality of the circular stop blocks are evenly installed on the guide rod fixing frame, the guide rod is movably inserted on the inner side of a plurality of the circular stop blocks, the induction disc is installed on the guide rod fixing frame, the proximity switch is installed on the sewage tank, the float is installed on the guide rod, and the auxiliary detection component is installed on the sewage tank; The sewage discharge structure comprises: a sewage pump motor pile, a sewage pump body, a circular bracket, a plurality of auxiliary drainage pipes and an auxiliary cutting assembly; The circular bracket is installed on the inner bottom end of the sewage tank, the sewage pump body is installed on the circular bracket, the sewage pump motor pile is installed on the sewage pump body, and a plurality of auxiliary drainage pipes are respectively inserted on the circular bracket; The auxiliary detection assembly comprises: a circular concave block, an auxiliary detection tube, a hydraulic membrane, a squeeze ball, a pressure sensor and a liquid sensor; The annular concave block is installed on the side wall of the sewage tank, the auxiliary detection tube is inserted on the annular concave block on the sewage tank, the hydraulic membrane is installed on the annular concave block, the squeezing ball is installed on the hydraulic membrane, the pressure sensor is installed on the auxiliary detection tube, the liquid sensor is installed on the inner side of the auxiliary detection tube, and the liquid sensor is located between the hydraulic membrane and the pressure sensor; The auxiliary cutting assembly comprises: a plurality of limit discs, a plurality of limit shafts, a plurality of limit driving machines, a plurality of cutting blades, a plurality of limit grinding rollers, a plurality of grinding cylindrical grinding discs and a plurality of protective cylindrical plates; Several of the limit discs are respectively installed on the inner sides of several of the auxiliary drainage tubes, several of the limit shafts are respectively inserted on several of the limit discs in several of the auxiliary drainage tubes through bearings, several of the limit driving machines are respectively installed on several of the limit discs, and the driving ends of several of the limit driving machines are respectively connected to several of the limit shafts, several of the cutting blades are respectively installed on several of the limit shafts, several of the limit grinding rollers are respectively installed on several of the limit shafts, several of the grinding cylindrical grinding discs are respectively installed on the inner sides of several of the auxiliary drainage tubes, several of the protective cylindrical plates are respectively installed on several of the limit discs on both sides, and several of the protective cylindrical plates are respectively sleeved on the driving ends of several of the limit driving machines, several of the limit discs are respectively provided with several drainage holes, and several of the drainage holes are opened in a circular ring shape on several of the limit discs; A vibration-proof blocking structure is installed in the sewage tank; The vibration anti-blocking structure comprises: a plurality of vibration shaft tubes, a plurality of vibration shafts, a plurality of rotating fan-shaped blocks, a plurality of vibration balls, a plurality of rotating concave wheels, a vibration driving machine, a vibration driving concave wheel and a vibration belt; Several vibration shaft tubes are evenly inserted into the inner side of the sewage tank, and several The vibration shafts are movably inserted into the inner sides of the plurality of vibration shaft tubes, the plurality of rotating sector blocks are respectively installed on the plurality of vibration shafts, the plurality of rotating sector blocks are respectively provided with a plurality of vibration ball grooves, the plurality of vibration balls are movably inserted into the inner sides of the plurality of vibration ball grooves, the plurality of rotating concave wheels are respectively installed on the plurality of vibration shafts, the vibration driving machine is installed on the sewage tank, the vibration driving concave wheel is installed on the driving end of the vibration driving machine, and the vibration belt is sleeved on the vibration driving concave wheel and the plurality of rotating concave wheels; The proximity switch is horizontally parallel to the auxiliary drainage tube; A plurality of expansion annular sheets are arranged on the outer sides of a plurality of the vibration shaft tubes; A plurality of vibration shaft tubes are respectively provided with vibration concave grooves on their inner sides, and a plurality of vibration balls are respectively movably inserted into the inner sides of the plurality of vibration concave grooves; A plurality of expansion regulators are arranged on the outside of the sewage tank, and a plurality of the expansion regulators are sleeved on the vibration belt; The limiting discs are respectively provided with chamfered arc blocks.

Citation Information

Patent Citations

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    CN112198907A

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    CN209148083U

  • Crushing type cutting sewage pump

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