Rain and sewage collecting system for wharf cable trough

Abstract

The utility model discloses a wharf cable trough rain sewage collecting system, which comprises a cable trough and a control electric box, a first water outlet and a second water outlet are arranged in the cable trough, a main water collecting pipe is arranged below the first water outlet, and the second water outlet is connected with the upper part of the main water collecting pipe through a pipeline. The lower portion of the main water collecting pipe is connected with a water pump through a water pump water inlet pipeline, and a water pump water outlet is connected with a wharf rain sewage collecting box through a water pump water outlet pipeline. A magnetic turning plate liquid level meter is arranged on one side of the main water collecting pipe, and binding type magnetic switches are arranged at the upper end and the lower end of the magnetic turning plate liquid level meter. The device is reasonable in design and small in installation space, the magnetic turning plate liquid level meter and the binding type magnetic switch are used for controlling operation of the whole system, the situation that rain sewage is directly discharged due to leakage of part of cable groove sections is eradicated, and potential safety hazards are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to rain and sewage collection technical field especially relates to a wharf cable trough rain and sewage collection system. BACKGROUND

[0002] The large -scale handling equipment of Yangtze River wharf all adopts high -voltage cable on -machine power supply, the cable trough lower than wharf surface is designed in the front of wharf, is used for protecting equipment high -voltage power cable from being crushed, and drainage hole is designed in the bottom of cable trough, and the water in cable trough is drained in time, and the safe operation of cable is ensured. But along with the development of Yangtze River big protection action, the sewage of wharf is prohibited to fall river, therefore all drainage holes (including the drainage hole of the bottom of cable trough) of wharf surface are blocked, which leads to the water in cable trough after rainy days for a long time (the water can only rely on weather sunning and air drying), and the high -voltage power cable of equipment such as portal crane and ship loader is soaked in water for a long time, influences daily inspection, and there is certain security risk, and the part structure of cable trough is steel structure, and long -term soaking in water can accelerate the corrosion of steel structure, and local corrosion perforation can cause the sewage in cable trough to fall river. SUMMARY

[0003] The utility model aims at solving above -mentioned technical problem, provides a wharf cable trough rain and sewage collection system, and the water in the inside of cable trough is collected in time, ensures that the cable in cable trough is in visual inspection controllable state, improves the service life and safe operation of high -voltage cable simultaneously.

[0004] In order to realize above -mentioned technical purpose, reach above -mentioned technical requirement, the technical scheme that the utility model adopts is: a wharf cable trough rain and sewage collection system, including cable trough, control electric box, be provided with first drainage, second drainage in the cable trough, the main water collecting pipe is set up below the first drainage, and the second drainage is connected with the upper portion of main water collecting pipe through the pipeline, and the filter screen is set up in the first drainage, the second drainage, prevents the foreign matter from entering the pipeline and causes the pipeline to be blocked, the lower portion of main water collecting pipe is connected with water pump through water pump inlet pipeline, and the water pump outlet is connected with the wharf rain and sewage collection tank through water pump outlet pipeline, and the rain and sewage in the cable trough is drained to the wharf rain and sewage collection tank, one side of main water collecting pipe is provided with magnetic flap liquid level meter, and the magnetic flap liquid level meter is provided with the magnetic switch of binding type on the both ends, realizes the accurate control of water level, and the start and stop work of water pump are controlled through the magnetic flap liquid level meter, the magnetic switch of binding type, the bottom of magnetic flap liquid level meter is provided with detachable flange and emptying valve, and it is convenient to dredge.

[0005] Preferably, the magnetic flap liquid level meter is connected with the side edge of the main water collecting pipe through the upper side pipeline and the lower side pipeline.

[0006] Preferably, the water pump is a self-priming sewage pump.

[0007] Preferably, the main water collecting pipe is provided with detachable flange and plug at the bottom, facilitating pipeline dredging in later period.

[0008] Preferably, the water pump inlet pipeline and the water pump outlet pipeline are fixed by a tripod.

[0009] Preferably, the filter screen comprises a mounting flange and a filter basket arranged below the mounting flange, the filter basket is in an ellipsoidal shape, and a plurality of through holes are arranged on the outer wall of the filter basket and the mounting flange.

[0010] Compared with the traditional structure, the utility model has the advantages of small installation space, combination of existing cable trench drainage outlet, rainwater and sewage in the cable trench are discharged into the existing wharf rainwater and sewage collection system through the increase of filter screen, pipeline and water pump, operation of the whole system is controlled by using liquid level meter and bundled magnetic switch, on one hand, the situation that rainwater and sewage are directly discharged into Yangtze River due to leakage of part of cable trench section is eliminated, on the other hand, the safety hidden danger of the staff around the cable trench is reduced, the problem of accelerated insulation aging of the cable is solved to a certain extent, and daily inspection and repair plan is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of the utility model;

[0012] Figure 2 It is a structural schematic view of the filter screen of the utility model;

[0013] Figure 3 It is a plan view of Figure 2

[0014] In the drawing: 1. main water collecting pipe, 2. filter screen, 21. mounting flange, 22. filter basket, 3. magnetic flap liquid level meter, 4. water pump, 5. water pump inlet pipeline, 6. water pump outlet pipeline, 7. wharf rainwater and sewage collection box. DETAILED DESCRIPTION

[0015] The utility model will be further explained below.

[0016] Referring to the accompanying drawings Figures 1-3 ​The utility model provides a wharf cable slot rain and sewage collection system, including cable slot, control electric box, be provided with first drain, second drain in the cable slot, the first drain below is provided with main water collecting pipe 1, and the second drain is connected with the upper portion of main water collecting pipe 1 through pipeline, and the first drain, second drain are all provided with filter screen 2, prevent foreign matter from entering the pipeline and cause the pipeline to be blocked, the lower portion of main water collecting pipe 1 is connected with water pump 4 through water pump inlet pipeline 5, and the water outlet of water pump 4 is connected with wharf rain and sewage collection tank 7 through water pump outlet pipeline 6, and rain and sewage in the cable slot are drained to the wharf rain and sewage collection tank 7, one side of main water collecting pipe 1 is provided with magnetic flap liquid level meter 3, the upper and lower ends of magnetic flap liquid level meter 3 are provided with bound type magnetic switch, realizes the accurate control of water level, and the start and stop work of water pump 4 are controlled through magnetic flap liquid level meter 3 and bound type magnetic switch, the bottom of magnetic flap liquid level meter 3 is provided with detachable flange and emptying valve, and it is convenient to dredge.

[0017] In the preferred embodiment, the magnetic flap liquid level meter 3 is connected to the side of the main water collecting pipe 1 through the upper and lower pipelines.

[0018] In the preferred embodiment, the water pump 4 is a self-priming sewage pump.

[0019] In the preferred embodiment, the bottom of the main water collecting pipe 1 is provided with a detachable flange and a plug for easy pipeline dredging later.

[0020] In the preferred embodiment, the water pump inlet pipeline 5 and the water pump outlet pipeline 6 are fixed by a tripod.

[0021] In the preferred embodiment, the filter screen 2 includes a mounting flange 21 and a filter basket 22 arranged below the mounting flange 21. The filter basket 22 is in the shape of an ellipsoid, and a plurality of through holes are arranged on the outer wall of the filter basket 22 and the mounting flange 21.

[0022] In the specific implementation, the entire system uses a wharf low-voltage maintenance box or a low-voltage shore power box as a power supply, the magnetic flap liquid level meter 3 as a signal output unit, and the start and stop work of the sewage pump is controlled through the magnetic flap liquid level meter 3 and the upper and lower magnetic switches. When the water level reaches a high level, the sewage pump starts, and when the water level is low, the sewage pump stops working. Manual and automatic working modes are adopted, and the manual working mode is mainly used for equipment maintenance. The control system is provided with an alarm device, and if the water level reaches a set high level or the pump works abnormally, the system will send an audible and visual alarm information to remind relevant personnel to maintain.

[0023] The overall pipeline arrangement is arranged below the wharf second floor platform, relies on the existing wharf rainwater and sewage collection system and cable groove drainage outlet, the original cable groove drainage outlet is used as the water inlet of the whole system, rainwater and sewage in the cable groove are discharged into the existing wharf rainwater and sewage collection system by increasing filter screen 2, pipeline, water pump 4 and the like, the filter screen 2 can prevent the pipeline from being blocked by large coal or foreign matters falling into the pipeline from the drainage hole during the production operation of the wharf, the installation position of the water pump 4 is processed to be higher, to prevent the sewage pump from being submerged at high water level, the system discards the mode of installing a collection tank of the traditional rainwater and sewage collection system, the function of the collection tank is replaced by enlarging the pipe diameter of the main pipeline, and a magnetic flap liquid level meter 3 is installed on the side of the main pipeline, to control the system to work, on the one hand, the situation that rainwater and sewage are directly discharged into the Yangtze River due to leakage of some cable groove sections is eliminated, on the other hand, the safety hidden danger of the staff around the cable groove is reduced, meanwhile, the problem of accelerated insulation aging of the on-machine cable is solved to a certain extent, and daily inspection and repair work is facilitated.

[0024] The above embodiments of the utility model are merely used to clearly illustrate the examples made by the utility model, but are not used to limit the protection scope of the utility model, all equivalent technical solutions also belong to the scope of the utility model, and the patent protection scope of the utility model should be defined by the claims.

Claims

1. A wharf cable trough rain and sewage collection system, comprising a cable trough, a control electric box, a first drain port and a second drain port are arranged in the cable trough, characterized in that: The first drain port is provided below a main water collecting pipe (1), and the second drain port is connected with the upper part of the main water collecting pipe (1) through a pipeline, and the first drain port and the second drain port are both provided with a filter screen (2) to prevent foreign matters from entering the pipeline and causing the pipeline to be blocked, the lower part of the main water collecting pipe (1) is connected with a water pump (4) through a water pump water inlet pipeline (5), the water outlet of the water pump (4) is connected with a wharf rainwater and sewage collecting tank (7) through a water pump water outlet pipeline (6), and rainwater and sewage in a cable trench are discharged into the wharf rainwater and sewage collecting tank (7); one side of the main water collecting pipe (1) is provided with a magnetic flap liquid level meter (3), the upper and lower ends of the magnetic flap liquid level meter (3) are provided with a bundled magnetic switch, precise water level control is realized, the magnetic flap liquid level meter (3) and the bundled magnetic switch are used for controlling the start and stop of the water pump (4), and the bottom of the magnetic flap liquid level meter (3) is provided with a detachable flange and a emptying valve, so that dredging is facilitated.

2. The wharf cable trough stormwater collection system according to claim 1, characterised in that: The magnetic flap liquid level meter (3) is connected with the side of the main water collecting pipe (1) through an upper pipeline and a lower pipeline.

3. The dock cable tray stormwater collection system of claim 1, wherein: The water pump (4) is a self-priming sewage pump.

4. The dock cable tray stormwater collection system of claim 1, wherein: The bottom of the main water collecting pipe (1) is provided with a detachable flange and a plug, so that pipeline dredging is facilitated in the later period.

5. The dock cable tray stormwater collection system of claim 1, wherein: The water pump water inlet pipeline (5) and the water pump water outlet pipeline (6) are fixed through a tripod.

6. The dock cable tray stormwater collection system of claim 1, wherein: The filter screen (2) comprises a mounting flange (21) and a filter bowl (22) arranged below the mounting flange (21), the filter bowl (22) is in an ellipsoidal shape, and a plurality of through holes are arranged on the outer wall of the filter bowl (22) and the mounting flange (21).

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