Disclosure of Invention
In order to realize the technical progress of wharf face rainwater and flushing water in the cement industry, the technical requirements and difficulties for collecting the wharf face initial rainwater and the flushing water in a cement factory are met, a wharf face initial rainwater and flushing water collecting device is designed and developed, the device does not need to structurally transform an original wharf face (wharf face platform), the normal operation of the original initial rainwater and flushing water collecting device is not influenced, the wharf face initial rainwater and the flushing water can be collected to the original initial rainwater disposal device in the factory by the aid of the device, and 100% of wharf initial rainwater and flushing water are collected and utilized. The invention has simple structure, low upgrading cost and obvious effect.
In order to achieve the purpose, the invention provides a wharf face initial rainwater and flushing water collecting device which comprises a wharf face platform with a plurality of drainage holes in the slope direction, wherein the drainage holes are formed in the platform on the outer side of the wharf face, a drainage tank A is arranged at the bottom of the platform on the outer side of the wharf face in a hanging mode along the connection line direction of the drainage holes, one end of the drainage tank A is connected to a water collecting tank A in the downward slope direction, a submersible lifting pump A is arranged in the water collecting tank A, the submersible lifting pump A is communicated with a water collecting tank B arranged on the inner side of the wharf face through a pipeline, a submersible lifting pump B is arranged in the water collecting tank B, and the water collecting tank B is communicated with a concentrated water disposal device arranged behind a wharf through the submersible lifting pump B.
Preferably, the submersible lift pump B is communicated with a concentrated water disposal device arranged behind the wharf through a pipeline.
Preferably, the submersible lift pump B is communicated with a drainage tank B through a pipeline, and one end of the drainage tank B is communicated with a concentrated water disposal device in a downward slope direction.
Preferably, the submersible lift pump a and/or the submersible lift pump B can be controlled to start and stop by controlling a start and stop signal sent by a floating ball or a liquid level meter.
Preferably, the start-stop signal output end of the control floating ball or the liquid level meter and the switch of the submersible lift pump A and/or the switch of the submersible lift pump B are arranged in the wharf control room.
Preferably, the water collecting tank A and the water collecting tank B are both arranged on the foundation side wall below the wharf.
Preferably, the drainage channel A is arranged at the bottom of the platform outside the wharf surface through a fixed hanging frame.
Preferably, the pitch of the drainage holes is not more than 15000 mm.
A collecting method of initial rainwater and flushing water of a wharf face, which utilizes the collecting device to collect the initial rainwater and the flushing water of the wharf face, comprises the following steps:
(1) collecting initial rainwater and washing water on the wharf surface platform, flowing into a plurality of drainage holes in a slope direction, and introducing into a drainage groove A;
(2) the initial rainwater and the flushing water flowing into the drainage channel A are converged into the water collecting tank A by gravity slope flow, and the initial rainwater and the flushing water in the water collecting tank A are lifted into the water collecting tank B by the submersible lifting pump A;
(3) initial rainwater and washing water in the water collection tank B are collected into the concentrated water disposal device through the submersible lift pump B.
Preferably, the pumps are stopped after all the submerged lift pumps A and B are operated for 13-15min at the beginning of raining or wharf flushing.
In the conventional design idea, water supply and drainage or collection are problematic, and generally all passages through which water flows are transformed, but the device provided by the invention can collect initial rainwater and flushing water of the wharf surface to the original initial rainwater disposal device of a plant area for reutilization from the wharf surface which is originally difficult to collect water only by additionally arranging the drainage groove and the water collection tank and additionally arranging the drainage holes according to conditions without structurally transforming the original wharf surface (wharf surface platform). The invention does not influence the normal operation of the original initial rainwater and washing water collecting device, can realize 100 percent collection and utilization of initial rainwater and washing water of the wharf, and has low upgrading and modification cost and good effect.
In order to verify the technical effect of the invention, a cement plant firstly builds a device for collecting initial rainwater according to the invention, and becomes the first enterprise nationwide using the technology. The project was already in operation and all 344m could be collected at a rainstorm intensity of 318.51L/s.ha within 13min3The initial rainwater collecting and utilizing rate of the wharf initial rainwater reaches 100%, the original wharf initial rainwater collecting system is not affected, the collecting and utilizing efficiency of the wharf initial rainwater is improved, a stable water source is provided for production and greening water of a rear factory area, waste of surface fresh water resources is saved, and the method is economical, reasonable, safe and reliable. The invention has simple structure, low upgrading cost and obvious effect.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, unless otherwise specified, the directional words "upper, lower, side, bottom" and the like included in the terms merely represent the orientation of the terms in a conventional use state or are colloquially understood by those skilled in the art, and should not be construed as limiting the terms.
As shown in fig. 1 and 2, the invention provides a wharf face initial rainwater and flushing water collecting device, which comprises a wharf face platform 1 provided with a plurality of drainage holes 2 in a slope direction, wherein the drainage holes 2 are arranged on a wharf face outer side platform, a drainage tank A3 arranged at the bottom of the wharf face outer side platform is hung along a connection line direction of the drainage holes 2, one end of the drainage tank A3 is connected to a water collecting tank A4 in a downward slope direction, a submersible lifting pump A5 is arranged in the water collecting tank A4, the submersible lifting pump A5 is communicated with a water collecting tank B9 arranged on the inner side of the wharf face through a pipeline 6, a submersible lifting pump B is arranged in the water collecting tank B9, and the water collecting tank B9 is communicated with a concentrated water disposal device arranged behind a wharf through the submersible lifting pump B.
In the technical scheme, the initial rainwater and flushing water concentrated water treatment device is arranged close to the outer side of the wharf face platform 1, the initial rainwater and the daily flushing water of the wharf face in the early rainfall period can be collected and recycled to the factory rainwater and flushing water concentrated treatment device behind the wharf by the wharf face initial rainwater and flushing water collection device in the early rainfall period for about 13 minutes, in the process, the wharf is flushed clean, and the rainwater collected through the wharf face is pollution-free and can be collected without use. The method specifically comprises the following steps:
1. initial rainwater and later stage washing water of the wharf surface of the cement industry wharf are collected on the wharf surface platform 1.
2. A small amount of drainage holes 2 and additional drainage holes 2 are arranged on the platform on the outer side of the wharf face, and initial rainwater and daily flushing water on the wharf face platform 1 are led into a drainage groove A3.
3. A drainage groove A3 of a sloping water collection tank A4 is hung below the drainage hole 2, initial rainwater and flushing water flowing into the drainage groove A3 from the drainage hole 2 are converged into the water collection tank A4 by gravity flow, a submersible lift pump A5 is arranged in the water collection tank A4, and when flushing is carried out on a normal wharf surface, the submersible lift pump of the water collection tank A4 starts the pump at a high water level H and stops the pump at a low water level L by using a control floating ball or a liquid level meter; the start-stop signal enters a wharf control room for manual control.
4. The water collected in the water collecting tank A4 enters the water collecting tank B9 additionally arranged on the inner side of the wharf face through the lifting of the submersible lifting pump A5.
5. The water in the water collecting tank B9 enters the centralized disposal device behind the wharf by the lifting of the submersible lift pump B or is discharged into an existing drainage tank nearby and flows into the centralized disposal device behind by gravity.
When rain begins, all the lifting pumps are started to operate for 13-15min, all the lifting pumps can be closed, in the process, the wharf is flushed clean, and rainwater collected through the wharf surface is pollution-free and can be collected without use.
The device and the method of the invention are suitable for wharfs with guide rails and also suitable for wharfs without guide rails, and are not limited by the type of wharf.
In the method, a small amount of holes and/or newly added holes existing on a side platform of a cargo ship berthed at a wharf are utilized, a stainless steel drainage ditch is hung below the platform, the stainless steel drainage ditch is drained into a side wall of a wharf surface upright post foundation to hang a water collecting tank under the action of gravity flow, and finally the stainless steel drainage ditch is collected into a collected water disposal device to collect and utilize initial rainwater on the platform surface. The specification of the drainage holes can be adjusted according to the established municipal or company design scheme, and the invention has no special requirement, and the personnel in the field can reasonably arrange according to the estimated rain intensity or daily washing water.
While the number of the drainage holes 2 can be flexibly adjusted, in a preferred embodiment of the present invention, in order to improve drainage efficiency, the distance between the drainage holes 2 is preferably not more than 15000 mm. Therefore, some drainage holes 2 can be additionally arranged on the existing wharf platform according to the situation.
In a preferred embodiment of the invention, the submersible lift pump B communicates via a conduit 6 with a concentrated water disposal device arranged behind the quay.
In a preferred embodiment of the present invention, the submersible lift pump B is communicated with a water discharge tank B10 through a pipe 6, and one end of the water discharge tank B10 is communicated with a concentrated water disposal device in a downward slope direction.
In a preferred embodiment of the present invention, the submersible lift pump A5 and/or the submersible lift pump B can be controlled to start or stop by controlling a start/stop signal sent by a float ball or a liquid level meter.
In a preferred embodiment of the invention, the start-stop signal output end for controlling the floating ball or the liquid level meter and the switch of the submersible lift pump A5 and/or the switch of the submersible lift pump B are arranged in the wharf control room.
In a preferred embodiment of the invention, the water collection tank A4 and the water collection tank B9 are both arranged on the foundation side wall 7 below the quay.
In a preferred embodiment of the present invention, the drain groove A3 is provided at the bottom of the landing outside the quay surface by a fixing hanger 8.
A collecting method of initial rainwater and flushing water of a wharf face, which utilizes the collecting device to collect the initial rainwater and the flushing water of the wharf face, comprises the following steps:
(1) collecting initial rainwater and washing water on the wharf surface, flowing into a plurality of drainage holes 2 in the backward slope direction of the wharf surface platform 1, and introducing into a drainage groove A3;
(2) the initial rainwater and the washing water flowing into the drainage channel A3 are converged into the water collecting tank A4 by gravity slope flow, and the initial rainwater and the washing water in the water collecting tank A4 are lifted into a water collecting tank B9 by a submersible lifting pump A5;
(3) the initial rainwater and the washing water in the water collection tank B9 are collected into the concentrated water disposal means by the submersible lift pump B.
In a preferred embodiment of the invention, the pumps are stopped after all the submerged lift pumps A5 and B13-15min have been operated at the beginning of a rain or flushing dock.
In the method, a small amount of holes and/or newly added holes existing on a side platform of a cargo ship berthed at a wharf are utilized, a stainless steel drainage ditch is hung below the platform, the stainless steel drainage ditch is drained into a side wall of a wharf surface upright post foundation to hang a water collecting tank under the action of gravity flow, and finally the stainless steel drainage ditch is collected into a collected water disposal device to collect and utilize initial rainwater on the platform surface.
Hereinafter, fig. 2 is a design drawing of one embodiment of the present invention, and the dimensions of the apparatus of the present invention are not limited to the dimensions indicated in fig. 2.
The wharf face platform 1 has a certain slope along the drainage hole 2, and the slope in fig. 2 is only one specific embodiment of the present invention, and is not meant to be a limitation of the present invention, and a person skilled in the art can adopt a conventional design.
In order to verify the technical effect of the invention, a cement plant firstly builds a device for collecting initial rainwater according to the invention, and becomes the first enterprise nationwide using the technology. The project is put into operation and can be collected under the condition of strong rainstormAll 344m in 13min at a temperature of 318.51L/s.ha3The initial rainwater collecting and utilizing rate of the wharf initial rainwater reaches 100%, the original wharf initial rainwater collecting system is not affected, the collecting and utilizing efficiency of the wharf initial rainwater is improved, a stable water source is provided for production and greening water of a rear factory area, waste of surface fresh water resources is saved, and the method is economical, reasonable, safe and reliable. The invention has simple structure, low upgrading cost and obvious effect.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.