CN207092224U - A kind of transformer station's system for reclaiming rainwater - Google Patents

Abstract

The utility model discloses a substation rainwater recovery system, which belongs to the technical field of efficient collection and utilization of rainwater, and comprises a rainwater collection unit, a processing unit, a water use terminal and a controller. A substation rainwater recovery system of the present utility model, on the one hand, increases the carrying capacity of water resources in the substation, greatly alleviates the water shortage situation of the substation, and increases the ecological water of the substation; Groundwater, or enters the artificial environment, through recycling, replenishes groundwater sources, maintains the balance of groundwater and soil, and at the same time reduces the effect of roadbed subsidence caused by excessive exploitation of groundwater.

Description

A Substation Rainwater Recovery System

technical field

The utility model belongs to the technical field of efficient collection and utilization of rainwater, and more specifically relates to a rainwater recovery system for a substation.

Background technique

my country is a water-scarce country, with per capita water resources less than 1/4 of the world average. Of the 669 cities in the country, 400 have insufficient water supply, and 110 have severe water shortages; among the 32 megacities with a population of more than one million, 30 have suffered from water shortage for a long time; among the 14 open coastal cities, 9 have serious water shortages. lack of water. Water shortage has become a bottleneck factor restricting my country's urban economic and social development.

In order to alleviate the extremely tight supply of urban water resources, on the one hand, we adopt water diversion measures or try to convert agricultural water resources to urban water resources in order to increase the total supply of urban water resources; on the other hand, we actively encourage urban residents and enterprises to All these measures have played a very important role in practice.

However, while we are working hard to find water and save water, rainwater, a kind of water resource that almost every city has in abundance, is generally not well utilized, but directly enters the urban underground pipe network. It flows away in vain, and sometimes it costs a lot of money to manually drain water.

Therefore need to propose a kind of new technical scheme to solve the above problems.

Utility model content

Aiming at the deficiencies in the prior art, the purpose of the utility model is to provide a substation rainwater recovery system, which improves the utilization rate of rainwater resources.

In order to achieve the above purpose, the utility model provides the following technical solutions: a substation rainwater recovery system, including a rainwater collection unit, a processing unit, a water terminal and a controller,

The collection unit includes a permeable road surface arranged in the substation, a downwardly recessed drainage ditch arranged on both sides of the permeable road surface, a seepage pipe network connected with the drainage ditch, and a water storage well connected with the drainage ditch;

The treatment unit includes a lift pump communicated with the water storage well through pipelines, a silica sand filter tank communicated with the lift pump through pipelines, a water purification treatment device communicated with the silica sand filter tank, and a water purification treatment device communicated with the water purification treatment device Connected storage tanks;

The water terminal includes an irrigation pipe network communicated with the water storage tank through an irrigation pump, a recoil pipe network communicated with the water storage tank through a recoil pump, and an overflow pipe network used to communicate with the water storage tank and the water storage well. pipelines, a rainwater pump communicating with the water storage well through a drainage pipeline, and a municipal rainwater pipe communicating with the rainwater pump;

The controller is respectively connected with electric signals of the lifting pump, the irrigation pump, the recoil pump and the rainwater pump.

By adopting the above-mentioned technical scheme, the rainwater on the road surface penetrates downward into the soil of the roadbed through the permeable road surface, and the excess water is collected in the water storage well through the seepage pipe network and the open drainage ditch for storage; due to the large amount of dust, Direct use of impurities, bacteria and other substances will not only affect human health, but also cause secondary or multiple pollution of clean water sources; therefore, it is necessary to conduct a series of sedimentation, disinfection, sterilization and filtration of stored rainwater Purification treatment, in order to improve the quality of the above-mentioned rainwater resources, so that it can be used for landscape vegetation irrigation in the substation, cooling and washing of the road surface, daily car washing, and self-cleaning of the rainwater recovery system; this can not only reduce the road area It can not only replenish the groundwater in time, protect the underground ecological environment, but also further improve the utilization rate of rainwater resources.

The utility model is further configured as follows: the rainwater collection unit also includes a drainage ditch arranged on the roof of the substation, rainwater funnels arranged at intervals in the drainage ditch, and a lower pipeline arranged vertically and connected with the rainwater funnel. The drainage pipe is connected with the seepage pipe network.

By adopting the above-mentioned technical scheme, since there are many large buildings in the substation, there is a lot of roof rainwater on the roofs of the above-mentioned large buildings in rainy days. The use of rainwater is relatively low, and it is passed through the rainwater funnel and the downpipe and then converged from the seepage pipe network to the rainwater recovery system, thereby realizing the recycling of rainwater on the roof of the substation and further increasing the number of water storage wells the amount of rainfall within.

The utility model is further configured as follows: two adjacent water storage wells are connected through regulating pipes, and electric control valves are arranged on the regulating pipes, and the controller is connected with electric signals of the electric control valves.

By adopting the above technical scheme, it can effectively reduce the situation that one water storage well contains too much water while the other water storage well is vacant and contains no or only a small amount of rainwater, so that all the water storage wells in the substation can be used well, thus Effectively improve the utilization rate of the water storage well in the whole system. In addition, an electric control valve is set on the regulating pipeline, and the operator can control the switch of the electric control valve through the controller. When the operator needs to clean a certain water storage well, the electric control valve associated with the water storage well can be closed in time. At this time, the rainwater in other water storage wells can be stopped from draining to the water storage well, thereby effectively reducing the waste of rainwater resources.

The utility model is further configured as follows: the permeable pavement sequentially includes a geotextile, a graded crushed stone layer, a ceramic glass aggregate layer and a porous permeable concrete layer arranged on the roadbed from bottom to top.

By adopting the above technical scheme, the rainwater on the pavement can infiltrate down into the soil layer of the roadbed through the porous concrete layer, the ceramic glass aggregate layer, the graded crushed stone layer and the geotextile in turn, so that the rainwater can quickly infiltrate into the ground It is beneficial to restore groundwater, maintain soil moisture, maintain the balance of groundwater and soil, and at the same time reduce the effect of subgrade subsidence caused by excessive exploitation of groundwater.

The utility model is further set as follows: the porous permeable concrete layer is filled and paved by several prefabricated porous permeable concrete blocks, and a high temperature resistant silicate bonding sealant is painted between two adjacent prefabricated porous permeable concrete blocks .

By adopting the above technical scheme, because the high temperature resistant silicate adhesive sealant has good water resistance, heat resistance, adhesion, heat insulation and high and low temperature cycle performance, it also has good toughness, compactness and Tensile-shear strength, so the connection between two adjacent prefabricated porous permeable concrete blocks can be made more stable and firm, which facilitates the installation of the permeable pavement and improves the service life of the permeable pavement.

The utility model is further configured as follows: the seepage pipe network is arranged between the graded crushed stone layer and the ceramic glass aggregate layer.

By adopting the above technical scheme, the water seepage pipe network is arranged between the graded crushed stone layer and the ceramic glass aggregate layer instead of in the roadbed, which can effectively reduce the soil in the roadbed entering the small holes of the water seepage pipe network. The phenomenon of blockage of the seepage pipe network, relatively speaking, materials such as gravel and aggregate are not easy to completely block the small holes, thus improving the seepage effect of the seepage pipe network.

The utility model is further configured as follows: a support block is provided between two adjacent seepage pipe networks, and the support block is a reinforced concrete prefabricated part.

By adopting the above technical solution, the bearing weight of the permeable pavement can be further increased, so that the heavy-duty vehicles in the substation can pass smoothly without affecting the pavement, thus protecting the permeable pavement and improving the service life of the permeable pavement.

The utility model is further configured as follows: a screw booster is provided between the lifting pump and the silica sand filter tank, and a dosing box is provided above the screw booster.

By adopting the above-mentioned technical scheme, during the working process of the lift pump, the rainwater in the water storage well flows into the screw booster through the lift pump, at this time, the screw booster is started, and the outside air is pumped under the action of the screw booster. Inhaled into the screw supercharger, thereby increasing the oxygen content in the rainwater, so as to provide sufficient oxygen for the process of satisfying the process of aerobic microorganisms decomposing harmful substances in the water body, and at the same time, the role of the propeller of the screw supercharger Under this condition, the rainwater in the rainwater treatment system can be fully mixed with the medicine for purifying rainwater, so that the purification treatment of rainwater is more sufficient, efficient and fast.

The utility model is further configured as follows: the dosing box is provided with a dosing pipeline, and the lower end of the dosing pipeline extends downwards into the pipeline between the lifting pump and the screw booster.

By adopting the above technical scheme, when the lift pump is working, the screw booster absorbs air to increase the pressure in the pipeline. At this time, because the rainwater in the screw booster seals the pipeline, the screw booster The rainwater in the pressurizer will flow back into the dosing pipeline and fully mix with the rainwater treatment medicine in the dosing pipeline, so that the rainwater in the rainwater treatment system and the medicine for purifying rainwater will be fully mixed evenly, so that the rainwater can be purified Processing is more adequate and efficient.

The utility model is further configured as follows: a pressure relief valve is provided on the pipeline between the screw booster and the silica sand filter tank, and the pressure relief valve is connected to the controller with an electrical signal.

By adopting the above-mentioned technical scheme, when the pressure in the above-mentioned screw supercharger reaches the rated setting value of the pressure relief valve, the pressure relief valve will be opened, thereby reducing the probability of rainwater gushing out from the opening at the upper end of the dosing box, so that after adding The rainwater after chemical treatment can flow into the silica sand filter tank through the pressure relief valve for subsequent rainwater treatment.

In summary, the utility model has the following beneficial effects: a substation rainwater recovery system of the utility model, on the one hand, increases the carrying capacity of water resources in the substation, greatly alleviates the water shortage situation of the substation, and increases the ecological water consumption of the substation On the other hand, the rainwater either enters the natural environment to infiltrate and supplement the groundwater, or enters the artificial environment to supplement the groundwater source through recycling, maintain the balance of groundwater and soil, and at the same time reduce the subsidence of the roadbed caused by excessive exploitation of groundwater. effect.

Description of drawings

Fig. 1 is the schematic flow chart of the present embodiment;

Fig. 2 is the structural representation of present embodiment;

Fig. 3 is a schematic structural view of the permeable pavement, drainage ditches and water storage wells in this embodiment, which is mainly used to reflect the internal relationship of the pavement rainwater collection units;

Fig. 4 is a schematic structural diagram of the water storage well and the drainage ditch in this embodiment, which is mainly used to reflect the regulating pipeline.

Description of drawings: 1. Collection unit; 10. Subgrade; 11. Permeable pavement; 111. Geotextile; 112. Graded gravel layer; 113. Ceramic glass aggregate layer; 114. Porous permeable concrete layer; 115. High temperature resistance Silicate adhesive sealant; 116. Support block; 12. Drainage open ditch; 13. Seepage pipe network; 14. Water storage well; 15. Drainage ditch; 16. Rainwater funnel; 2. Processing unit; 19. Electric control valve; 20. Screw booster; 200. Dosing box; 201. Dosing pipeline; 202. Pressure relief valve; 21. Lifting pump; 22. Silica sand filter tank; 23. Net Water treatment device; 24. Water storage tank; 25. Pipeline; 3. Water terminal; 31. Irrigation pump; 32. Irrigation pipe network; 33. Recoil pump; 34. Recoil pipe network; 35. Overflow pipe; 36. Sludge tank; 37. Drainage pipe; 38. Rainwater pump; 4. Controller; 5. Municipal rainwater pipe; 6. Sewage pump; 7. Sewage pipe.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom" and "top "Face", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

A substation rainwater recovery system, as shown in FIG. 1 and FIG. 2 , includes a rainwater collection unit 1 , a processing unit 2 , a water use terminal 3 and a controller 4 . As shown in Figure 3 and Figure 4, the collection unit 1 includes a permeable road surface 11 arranged in the substation, a downwardly recessed drainage ditch 12 arranged on both sides of the water permeable road surface 11, a seepage pipe network 13 connected with the drainage ditch 12 and A water storage well 14 communicating with the drainage ditch 12.

In order to improve the rainwater infiltration capacity of the permeable pavement 11, as shown in Fig. 3 and Fig. 4, the permeable pavement 11 includes a geotextile 111, a graded crushed stone layer 112, a ceramic glass aggregate layer 113 and a porous permeable layer from bottom to top. Concrete layer 114; wherein the geotextile 111 adopts spunlace non-woven geotextile, and the geotextile 111 is evenly laid on the upper surface of the roadbed 10, and two adjacent geotextiles 111 are laid on top of each other; wherein the porous permeable concrete layer 114 is It is filled with several prefabricated porous permeable concrete blocks, and the gap between two adjacent prefabricated porous permeable concrete blocks is painted with high temperature resistant silicate adhesive sealant 115, the high temperature resistant silicate The salt bonding sealant 115 has good adhesion, water resistance and high temperature resistance, which can make the connection between the prefabricated porous permeable concrete blocks more stable and firm, and further improve the service life of the above-mentioned permeable pavement 11 .

As shown in Figure 2 and Figure 3, in order to reduce the through holes of the seepage pipe network 13 blocked by concrete when the porous permeable concrete layer 114 is poured, the seepage pipe network 13 is installed on the graded crushed stone layer 112 and ceramic glass aggregate Between the layers 113, at this time, a baffle with an outer diameter smaller than the through hole is provided on the outside of the through hole of the seepage pipe network 13, wherein there is a gap between the baffle and the seepage pipe network 13, and a number of support rods are arranged in the gap (Fig. Not marked in ), thus further improving the water permeability and anti-clogging performance of the seepage pipe network 13 .

In order to improve the load-bearing capacity of the permeable pavement 11, as shown in Figure 1 and Figure 2, a support block 116 is provided between two adjacent permeable pipe networks 13, and the support block 116 is a reinforced concrete prefabricated part, wherein the reinforced concrete prefabricated part In the shape of a cuboid, the upper end of the reinforced concrete prefabricated part is in conflict with the porous permeable concrete layer 114, and its lower end is placed on the geotextile 111, while a large number of graded gravel layers 112 and ceramic glass bone are piled up around the reinforced concrete prefabricated part. Material layer 113.

In order to make all the water storage wells 14 in the substation can be used well, as shown in Figure 3 and Figure 4, an adjustment pipe 18 is arranged horizontally between two adjacent water storage wells 14, and the two ends of the adjustment pipe 18 are respectively connected to the The water storage wells 14 are connected, and the regulating pipes 18 are provided with electronically controlled valves 19, so that the water delivery between the two water storage wells 14 can be controlled by the controller, which is conducive to balancing the water in the two adjacent water storage wells 14. water storage capacity.

As shown in Figures 1 and 2, the rainwater collection unit 1 also includes a drainage ditch 15 arranged on the roof of the substation, rainwater funnels 16 arranged at intervals in the drainage ditch 15, and a lower row arranged vertically and communicated with the rainwater funnel 16. Pipeline 17, wherein the outlet of the downpipe 17 extends downwards into the seepage pipe network 13 and communicates with the seepage pipe network 13, so that the rainwater on the roof can flow in through the gutter 15, the rainwater funnel 16 and the downpipe 17 into the rainwater recovery system, thereby increasing the amount of rainwater collected in the water storage well 14 .

In order to purify rainwater, reduce the possibility of secondary or multiple pollution of rainwater, and expand the scope of application of rainwater, as shown in Figures 1 and 2, the treatment unit 2 includes a lift pump 21 communicated with the water storage well 14 through a pipeline 25, through Pipeline 25 communicates with the silica sand filter tank 22 of the lifting pump 21, the water purification treatment device 23 communicated with the silica sand filter tank 22, and the water storage tank 24 communicated with the water purification treatment device 23, the water storage tank 24 is arranged on the bottom surface, and the water purification treatment The device 23 lifts the rainwater into the water storage tank 24 through the pump, and the excessive rainwater in the water storage tank 24 will flow back into the water storage well 14 through the overflow pipe 35, thereby reducing the waste of rainwater and ensuring that the rainwater recovery system can be continuously used .

In order to fully mix the rainwater and the medicine and increase the oxygen content in the rainwater, as shown in Figure 1 and Figure 2, a screw booster 20 is provided between the lift pump 21 and the silica sand filter tank 22, and the screw booster 20 is A dosing box 200 is provided, and a microbial water treatment agent is provided in the dosing box 200, wherein the microbial water treatment agent is a commonly used microbial water treatment agent such as natural microbial active strains, and the lower surface of the dosing box 200 is provided with a dosing pipeline 201, and the lower end of the dosing pipeline 201 extends downwards into the pipeline 25 between the lift pump 21 and the screw supercharger 20, and the dosing pipeline 201 communicates with the above-mentioned pipeline 25; in order to effectively control the rainwater recovery system pressure, a pressure relief valve 202 is provided on the pipeline between the screw booster 20 and the silica sand filter tank 22 .

When the lifting pump 21 is working, the screw booster 20 is started, and the screw booster 20 increases the pressure in the screw booster 20 and the corresponding pipeline 25 by absorbing air. Sealed above-mentioned pipeline 25, under the effect of above-mentioned pressure, the rainwater in the screw booster 20 can pour into the dosing pipeline 201 in reverse and fully mix with the natural microbial activity bacterial classification that is positioned at the dosing pipeline 201; And When the pressure continues to rise and reaches the rated setting value of the pressure relief valve 202, the pressure relief valve 202 is opened, and the sterilized rainwater flows into the silica sand filter tank 22 through the pressure relief valve 202 for subsequent rainwater treatment.

In order to reduce secondary or multiple pollution of rainwater in the water storage well 14, the sewage pipeline 7 controlled by the sewage pump 6 at the bottom of the water storage well 14 is connected to the sludge pool 36, and the sludge is concentrated in the sludge pool 36.

As shown in Figures 1 and 2, the water terminal 3 includes an irrigation pipe network 32 communicated with the water storage tank 24 through an irrigation pump 31, a recoil pipe network 34 communicated with the water storage tank 24 through a recoil pump 33, and a water tank 34 for communicating with the water storage tank. 24 and the overflow pipe 35 of the water storage well 14 and the rainwater pump 38 that communicates with the water storage well 14 through the drainage pipe 37 and the municipal rainwater pipe 5 that communicates with the rainwater pump 38. In addition, the above-mentioned water terminal 3 also includes a fire-fighting water unit, a domestic water unit, and other landscape water units, and the rainwater obtained through the rainwater recovery system is used in domestic water such as fire-fighting, landscape, car washing, road surface flushing, and drainage ditches. Improve the utilization rate of rainwater resources, thereby saving water resources and protecting the environment.

As shown in FIGS. 1 and 2 , the controller 4 is electrically connected to the lift pump 21 , irrigation pump 31 , recoil pump 33 , rainwater pump 38 , electric control valve 19 , pressure relief valve 202 and sewage pump 6 .

The route of rainwater flow: On the one hand, rainwater seeps down into the permeable pavement 11, passes through the porous permeable concrete layer 114, the ceramic glass aggregate layer 113, the graded crushed stone layer 112 and the geotextile 111 in turn, and further seeps down to the In the subgrade 10, the groundwater can be quickly replenished, and the excess rainwater flows into the seepage pipe network 13; At this time, the rainwater in the seepage pipe network 13 infiltrated into the subgrade 10 through the apertures of the seepage pipe network 13 .

At this time, the excess rainwater in the seepage pipe network 13 will flow into the water storage well 14 through the seepage pipe network 13 and the open drainage ditch 12, and the balance of the water volume in each water storage well 14 can be maintained under the action of the regulating pipeline 18. The rainwater in the water storage well 14 will be stratified up and down after a certain period of precipitation, and the rainwater in the lower layer will flow from the sewage pipe 7 to the sludge pool 36 for unified concentration treatment through the sewage pump 6; 21 flows into the screw booster 20 for oxygenation treatment, and at the same time sterilizes and disinfects under the action of natural microbial active strains in the dosing box 200; then when the pressure in the screw booster 20 reaches the pressure relief valve 202 When the rated value is set, the rainwater flows into the silica sand filter tank 22 and the water purification treatment device 23 through the pressure relief valve 202 in sequence for rainwater purification treatment. Then it is stored in the water storage tank 24 through the pump, and the rainwater in the water storage tank 24 can enter the backwash pipe network 34 through the backwash pump 33 to the water storage well 14, the silica sand filter tank 22 and the above-mentioned rainwater recovery system. The water purification treatment device 23 etc. cleans or flows into the irrigation pipe network 32 through the irrigation pump 31 to irrigate the landscape vegetation in the substation, thereby improving the utilization rate of rainwater.

The specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. Those skilled in the art can make modifications to the embodiment without creative contribution as required after reading this description, but as long as the utility model All claims are protected by patent law.

Claims (10)

1. A substation rainwater recovery system, comprising a rainwater collection unit (1), a processing unit (2), a water use terminal (3) and a controller (4), characterized in that: The collection unit (1) includes a permeable pavement (11) arranged in the substation, a downwardly recessed drainage ditch (12) arranged on both sides of the permeable road surface (11), and a drainage ditch (12) connected to the seepage pipe network (13) and a water storage well (14) connected to the drainage ditch (12); The processing unit (2) includes a lift pump (21) communicated with the water storage well (14) through a pipeline (25), a silica sand filter tank (22) communicated with the lift pump (21) through a pipeline (25) . A water purification treatment device (23) communicated with the silica sand filter tank (22) and a water storage tank (24) communicated with the water purification treatment device (23); The water use terminal (3) includes an irrigation pipe network (32) communicated with the water storage tank (24) through an irrigation pump (31), and a recoil pipe network (32) communicated with the water storage tank (24) through a recoil pump (33). A pipe network (34), an overflow pipe (35) for connecting the water storage tank (24) and the water storage well (14), and a rainwater pump communicating with the water storage well (14) through a drainage pipe (37) (38) and a municipal rainwater pipe (5) connected with the rainwater pump (38); The controller (4) is electrically connected to the lifting pump (21), the irrigation pump (31), the recoil pump (33) and the rainwater pump (38) respectively. 2. A substation rainwater recovery system according to claim 1, characterized in that: the rainwater collection unit (1) also includes a drainage ditch (15) arranged on the roof of the substation, and is arranged at intervals in the drainage ditch (15) The rainwater funnel (16) inside and the downpipe (17) arranged vertically and connected with the rainwater funnel (16), the downpipe (17) is connected with the seepage pipe network (13). 3. A substation rainwater recovery system according to claim 2, characterized in that two adjacent water storage wells (14) are connected through adjustment pipes (18), and the adjustment pipes (18) are All are provided with electric control valves (19), and the controller (4) is connected with the electric control valves (19) by electric signals. 4. A substation rainwater recovery system according to claim 3, characterized in that: the permeable pavement (11) sequentially includes geotextiles (111) arranged on the roadbed (10), graded crushed A stone layer (112), a ceramic glass aggregate layer (113) and a porous permeable concrete layer (114). 5. A substation rainwater recovery system according to claim 4, characterized in that: the porous permeable concrete layer (114) is filled with several prefabricated porous permeable concrete blocks, and two adjacent prefabricated parts are porous and permeable A high temperature resistant silicate bonding sealant (115) is applied between the concrete blocks. 6 . The substation rainwater recovery system according to claim 5 , characterized in that: the seepage pipe network ( 13 ) is arranged between the graded crushed stone layer ( 112 ) and the ceramic glass aggregate layer ( 113 ). 7. A substation rainwater recovery system according to claim 6, characterized in that: a support block (116) is provided between two adjacent seepage pipe networks (13), and the support block (116) is reinforced concrete Prefab. 8. A substation rainwater recovery system according to claim 1, characterized in that: a screw booster (20) is provided between the lift pump (21) and the silica sand filter tank (22), and the screw booster A dosing box (200) is provided above the press (20). 9. A substation rainwater recovery system according to claim 8, characterized in that: the dosing box (200) is provided with a dosing pipeline (201), and the lower end of the dosing pipeline (201) is downward extending into the pipeline (25) between the lift pump (21) and the screw supercharger (20). 10. A substation rainwater recovery system according to claim 9, characterized in that: a pressure relief valve (202) is provided on the pipeline between the screw booster (20) and the silica sand filter tank (22), The pressure relief valve (202) is electrically connected with the controller (4).