Sponge city rainwater treatment equipment for purifying non-point source pollution
The sponge city rainwater treatment device addresses the issue of fast discharge causing turbidity by incorporating a sedimentation and filtering system to control flow rate and separate pollutants, enhancing purification and filtration efficiency.
Patent Information
- Application Number
- CN202420297668.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-19
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-02-19
AI Technical Summary
Existing rainwater treatment equipment requires a sedimentation process, where fast rainwater discharge leads to turbidity and reduced sedimentation efficiency due to floating solid particles.
A sponge city rainwater treatment device with a sedimentation component, slow flow mechanism, purification component, and filtering component, including drainage and guide plates to control flow rate and separate solid particles, adsorb pollutants, and filter fine impurities.
The device improves sedimentation efficiency by reducing flow rate, effectively purifying and filtering rainwater to enhance water quality by precipitating solids, absorbing pollutants, and filtering fine impurities.
Smart Images
Figure CN222159918U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rainwater treatment, in particular to a sponge city rainwater treatment device for purifying surface source pollution. Background Art
[0002] Non-point source pollution refers to the impact of various pollutants on rainwater when it flows through cities, farmlands or other land surfaces. These pollutants include grease, chemicals, sediment, agricultural fertilizers, pesticide residues, etc. Rainwater treatment equipment that purifies non-point source pollution is mainly used to remove these pollutants to protect surface water and groundwater resources.
[0003] In a Chinese utility model with announcement number CN210597546U, a rainwater treatment device based on an urban ground pipeline is disclosed, comprising a box body and a connecting part fixedly installed at the top center of the box body, a manhole cover fixedly installed at the top center of the connecting part, a rainwater purification box fixedly installed in the inner cavity of the connecting part, an infiltration pipe is provided on the outer wall of the rainwater purification box, the infiltration pipe is communicated with the rainwater purification box, the infiltration pipe passes through the connecting part and is connected to an external infiltration channel, and a stabilizing pipe is provided at the bottom of the rainwater purification box, and rainwater entering the box body through the water inlet is drained to the bottom of the water tank and then discharged into the bottom of the water tank, thereby reducing the height difference of the flowing water, thereby slowly draining the rainwater into the water tank, preventing the water flow height difference from being too large, stirring up the sediment at the bottom of the box body, thereby affecting the cleanliness of the rainwater in the box body and reducing the rainwater purification effect of the box body.
[0004] Most of the rainwater treatment equipment currently on the market requires a sedimentation process when treating rainwater. However, when the existing sedimentation device discharges rainwater into the sedimentation tank, the rainwater flow rate is too fast, which may cause the water in the sedimentation tank to become turbid and the solid particles therein to float, reducing the sedimentation efficiency. Utility Model Content
[0005] The utility model provides a sponge city rainwater treatment device for purifying surface source pollution, aiming to solve the problem that the existing rainwater treatment equipment mostly needs to go through a sedimentation process when treating rainwater, and when the existing sedimentation device discharges rainwater into the sedimentation tank, the flow rate of rainwater is too fast, which may cause the water in the sedimentation tank to become turbid, the solid particles therein float, and reduce the sedimentation efficiency.
[0006] The utility model is implemented as follows: a sponge city rainwater treatment device for purifying surface source pollution comprises a sedimentation component, the interior of the sedimentation component is fixedly connected with a slow flow mechanism, the rear side of the sedimentation component is fixedly connected with a purification component, and the bottom of the purification component is fixedly connected with a filtering component;
[0007] The flow slowing mechanism includes a drainage component, a guide plate and a flow limiting plate. The drainage component is fixedly connected to the interior of the sedimentation component. The guide plate and the flow limiting plate are both fixedly connected to the interior of the sedimentation component. The flow limiting plate is arranged at the rear side of the guide plate.
[0008] In order to achieve the effect of precipitating solid particles in rainwater, as a sponge city rainwater treatment equipment for purifying surface source pollution of the utility model, the sedimentation component includes a sludge seat, a separation frame and a clean water frame, the separation frame is fixedly connected to the top of the sludge seat, the clean water frame is fixedly connected to the top of the separation frame, and the slow flow mechanism is fixedly connected to the inside of the separation frame.
[0009] In order to achieve the effect of absorbing pollution in the rain, as a sponge city rainwater treatment equipment for purifying surface source pollution of the utility model, the purification component includes a purification box, a box cover and an adsorber, the purification box is fixedly connected to the top of the filter component, the box cover is fixedly connected to the top of the purification box, and the adsorber is fixedly connected to the inside of the purification box.
[0010] In order to achieve the effect of filtering out fine impurities in rainwater, as a sponge city rainwater treatment equipment for purifying surface source pollution of the utility model, the filtering component includes a filter box, a filter plate and an outlet pipe, the filter box is fixedly connected to the bottom of the purification box, the filter plate is fixedly connected to the inside of the filter box, and the outlet pipe is fixedly connected to the rear side of the filter box.
[0011] In order to achieve the effect of reducing the flow rate of the water body by cooperating with the guide plate and the flow limiting plate, as a preferred sponge city rainwater treatment equipment for purifying surface source pollution of the utility model, the drainage assembly includes a first drainage plate, a second drainage plate and a fixing bolt, the first drainage plate and the second drainage plate are both fixedly connected to the inside of the separation frame, the fixing bolt passes through the first drainage plate and the second drainage plate and extends to the inside of the separation frame, and the fixing bolt is threadedly connected to the inside of the separation frame.
[0012] In order to achieve the effect of reducing the flow rate of the water body, as a preferred sponge city rainwater treatment device for purifying surface source pollution of the utility model, the guide plate is arranged between the first guide plate and the second guide plate on the opposite side, and the guide plate and the flow limiting plate are both arranged in an arc shape, and a guide channel is formed between the guide plate and the flow limiting plate.
[0013] In order to achieve the effect of connecting the water inlet equipment, as a preferred sponge city rainwater treatment equipment for purifying surface source pollution of the utility model, the front side of the separation frame is fixedly connected with a water inlet pipe, and the front side of the water inlet pipe is fixedly connected with a water main pipe, and the number of the water inlet pipes is set to several and evenly distributed inside the separation frame.
[0014] In order to achieve the effect of improving purification and filtration effects, as a sponge city rainwater treatment device for purifying surface source pollution of the utility model, the adsorber is preferably provided with adsorption holes inside, the number of the filter plates is set to three and evenly distributed inside the filter box, and the filter plates are set to different filtration levels and gradually enhanced.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] The sponge city rainwater treatment equipment for purifying surface source pollution first fixes the working position of the slow flow mechanism through the sedimentation component, and reduces the flow rate of the water body through the slow flow mechanism to avoid the floating of solid particles caused by the impact of the water body, thereby improving the sedimentation effect, and then purifies the pollution in the rainwater through the purification component, and finally filters the fine impurities in the rainwater through the filtering component, thereby cooperating with the purification component to improve the water quality, fixes the working position of the drainage component through the sedimentation component, and controls the flow direction of rainwater through the drainage component, and then forms a diversion channel through the cooperation of the guide plate and the limiting plate, thereby reducing the flow rate of rainwater. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is the overall structural diagram of the sponge city rainwater treatment equipment for purifying surface source pollution of the utility model;
[0018] Figure 2 It is a structural schematic diagram of the precipitation component in the utility model;
[0019] Figure 3 It is a structural schematic diagram of the drainage mechanism in the utility model;
[0020] Figure 4 It is a structural schematic diagram of the purification component in the utility model;
[0021] Figure 5 It is a structural schematic diagram of the filter assembly in the utility model;
[0022] Figure 6 It is a structural schematic diagram of the drainage component in the utility model.
[0023] In the figure, 1. sedimentation assembly; 101. sludge seat; 102. separation frame; 103. clean water frame; 2. slow flow mechanism; 201. drainage assembly; 2011. first drainage plate; 2012. second drainage plate; 2013. fixing bolt; 202. guide plate; 203. flow limiting plate; 3. purification assembly; 301. purification box; 302. box cover; 303. adsorber; 4. filtration assembly; 401. filter box; 402. filter plate; 403. outlet pipe; 5. inlet pipe; 6. water main pipe; 7. adsorption hole. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0025] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.
[0026] See also Figure 1-6 The utility model provides a technical solution: a sponge city rainwater treatment device for purifying surface source pollution, comprising a sedimentation component 1, a slow flow mechanism 2 is fixedly connected inside the sedimentation component 1, a purification component 3 is fixedly connected to the rear side of the sedimentation component 1, and a filter component 4 is fixedly connected to the bottom of the purification component 3;
[0027] The flow slowing mechanism 2 includes a drainage component 201, a guide plate 202 and a flow limiting plate 203. The drainage component 201 is fixedly connected to the inside of the sedimentation component 1. The guide plate 202 and the flow limiting plate 203 are both fixedly connected to the inside of the sedimentation component 1. The flow limiting plate 203 is arranged on the rear side of the guide plate 202.
[0028] In this embodiment: first, the working position of the slow flow mechanism 2 is fixed by the sedimentation component 1, and the flow rate of the water body is reduced by the slow flow mechanism 2 to avoid the floating of solid particles caused by the impact of the water body, thereby improving the sedimentation effect, and then the pollution in the rainwater is purified by the purification component 3, and finally the fine impurities in the rainwater are filtered by the filtering component 4, so as to cooperate with the purification component 3 to improve the water quality, and the working position of the drainage component 201 is fixed by the sedimentation component 1, and the flow direction of rainwater is controlled by the drainage component 201, and then the guide plate 202 and the limiting plate 203 cooperate with each other to form a diversion channel, thereby reducing the flow rate of rainwater.
[0029] As a technical optimization solution of the utility model, the sedimentation assembly 1 includes a sludge seat 101, a separation frame 102 and a clean water frame 103. The separation frame 102 is fixedly connected to the top of the sludge seat 101, the clean water frame 103 is fixedly connected to the top of the separation frame 102, and the slow flow mechanism 2 is fixedly connected to the inside of the separation frame 102.
[0030] In this embodiment: the working position of the separation frame 102 is fixed by the mud settling seat 101, and the precipitated solid particles are collected by the mud settling seat 101, and then the slow flow mechanism 2 is fixed by the separation frame 102, and the mud and water are separated in the separation frame 102, and finally the clear water frame 103 is used to mark the supernatant generation position.
[0031] As a technical optimization solution of the utility model, the purification component 3 includes a purification box 301, a box cover 302 and an adsorber 303. The purification box 301 is fixedly connected to the top of the filter component 4, the box cover 302 is fixedly connected to the top of the purification box 301, and the adsorber 303 is fixedly connected to the inside of the purification box 301.
[0032] In this embodiment: the working position of the purification box 301 is fixed by the filter assembly 4, and then the working position of the box cover 302 is fixed by the purification box 301, and the adsorber 303 is fixed by the cooperation of the purification box 301 and the box cover 302, and finally the adsorber 303 achieves the effect of absorbing pollution in rainwater.
[0033] As a technical optimization solution of the utility model, the filter assembly 4 includes a filter box 401, a filter plate 402 and a water outlet pipe 403. The filter box 401 is fixedly connected to the bottom of the purification box 301, the filter plate 402 is fixedly connected to the inside of the filter box 401, and the water outlet pipe 403 is fixedly connected to the rear side of the filter box 401.
[0034] In this embodiment: the working position of the filter box 401 is fixed by the purification box 301, and the working position of the filter plate 402 is fixed by the filter box 401, and then the filter plates 402 cooperate with each other to achieve the effect of purifying rainwater step by step, and finally the working position of the outlet pipe 403 is fixed by the filter box 401, and the effect of controlling the drainage position is achieved through the outlet pipe 403.
[0035] As a technical optimization solution of the utility model, the drainage assembly 201 includes a first drainage plate 2011, a second drainage plate 2012 and a fixing bolt 2013. The first drainage plate 2011 and the second drainage plate 2012 are both fixedly connected to the inside of the separation frame 102. The fixing bolt 2013 passes through the first drainage plate 2011 and the second drainage plate 2012 and extends to the inside of the separation frame 102. The fixing bolt 2013 is threadedly connected to the inside of the separation frame 102.
[0036] In this embodiment: the working positions of the first guide plate 2011 and the second guide plate 2012 are fixed by the separation frame 102, and the flow direction of rainwater is restricted by the cooperation of the first guide plate 2011 and the second guide plate 2012, and the working position of the fixing bolt 2013 is fixed at the same time, and finally the first guide plate 2011 and the second guide plate 2012 are fixed by the fixing bolt 2013.
[0037] As a technical optimization solution of the utility model, the guide plate 202 is arranged between the opposite sides of the first guide plate 2011 and the second guide plate 2012. The guide plate 202 and the limiting plate 203 are both arranged in an arc shape, and a guide channel is formed between the guide plate 202 and the limiting plate 203.
[0038] In this embodiment: the guide plate 202 is set between the opposite sides of the first guide plate 2011 and the second guide plate 2012 to divert rainwater, and the guide plate 202 and the limiting plate 203 are both set in an arc shape to cooperate with each other to form a diversion channel to reduce the flow rate of rainwater.
[0039] As a technical optimization solution of the utility model, the front side of the separation frame 102 is fixedly connected to a water inlet pipe 5, and the front side of the water inlet pipe 5 is fixedly connected to a water main pipe 6. The number of water inlet pipes 5 is set to several and evenly distributed inside the separation frame 102.
[0040] In this embodiment: the working position of the water inlet pipe 5 is fixed by the separation frame 102, and the working position of the water main pipe 6 is fixed by the water inlet pipe 5, and then the water main pipe 6 is used to facilitate the connection of the water delivery equipment and facilitate the delivery of rainwater to the water inlet pipe 5.
[0041] As a technical optimization solution of the utility model, an adsorption hole 7 is opened inside the adsorber 303, the number of filter plates 402 is set to three and evenly distributed inside the filter box 401, and the filter plates 402 are set to different filtration levels and gradually enhanced.
[0042] In this embodiment: the purpose of increasing the pollution adsorption efficiency is achieved by opening the adsorption holes 7 in the adsorber 303, and the number of the filter plates 402 is set to three. At the same time, the filter plates 402 are set to different filtration levels and gradually enhanced, thereby increasing the filtration effect.
[0043] Working principle: First, the external water supply equipment is connected through the water supply main pipe 6, and then the rainwater enters the slow flow mechanism 2 through the water supply main pipe 6 and the water inlet pipe 5. At this time, the rainwater enters between the first guide plate 2011 and the second guide plate 2012, and is diverted by the guide plate 202. Then, the guide plate 202 and the flow limiting plate 203 arranged in an arc shape cooperate to form a diversion channel. At this time, the rainwater in the channel impacts the arc of the flow limiting plate 203, thereby consuming the impact force of the rainwater to achieve the effect of reducing the flow rate of the rainwater. Then, the rainwater is precipitated and separated in the separation frame 102, and the solid particles sink into the sludge seat 101, while the supernatant enters the purification box 301 in the clean water frame 103, and the pollution in the rainwater is adsorbed by the adsorber 303, and then enters the filter box 401. At this time, the rainwater passes through the filter plate 402 and is filtered step by step by the filter plate 402, thereby improving the water quality of the rainwater.
[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A sponge city rainwater treatment device for purifying surface source pollution, comprising a sedimentation component (1), characterized in that: The interior of the sedimentation component (1) is fixedly connected with a slow flow mechanism (2), the rear side of the sedimentation component (1) is fixedly connected with a purification component (3), and the bottom of the purification component (3) is fixedly connected with a filtering component (4); The flow slowing mechanism (2) comprises a flow guiding component (201), a flow guide plate (202) and a flow limiting plate (203); the flow guiding component (201) is fixedly connected to the interior of the sedimentation component (1); the flow guide plate (202) and the flow limiting plate (203) are both fixedly connected to the interior of the sedimentation component (1); and the flow limiting plate (203) is arranged on the rear side of the flow guide plate (202).
2. The sponge city rainwater treatment equipment for purifying surface source pollution according to claim 1 is characterized by: The sedimentation assembly (1) comprises a sedimentation seat (101), a separation frame (102) and a clear water frame (103); the separation frame (102) is fixedly connected to the top of the sedimentation seat (101); the clear water frame (103) is fixedly connected to the top of the separation frame (102); and the flow-slowing mechanism (2) is fixedly connected to the inside of the separation frame (102).
3. The sponge city rainwater treatment equipment for purifying surface source pollution according to claim 1 is characterized by: The purification component (3) comprises a purification box (301), a box cover (302) and an adsorber (303); the purification box (301) is fixedly connected to the top of the filter component (4); the box cover (302) is fixedly connected to the top of the purification box (301); and the adsorber (303) is fixedly connected to the inside of the purification box (301).
4. The sponge city rainwater treatment equipment for purifying surface source pollution according to claim 3 is characterized by: The filter assembly (4) comprises a filter box (401), a filter plate (402) and a water outlet pipe (403); the filter box (401) is fixedly connected to the bottom of the purification box (301); the filter plate (402) is fixedly connected to the inside of the filter box (401); and the water outlet pipe (403) is fixedly connected to the rear side of the filter box (401).
5. The sponge city rainwater treatment equipment for purifying surface source pollution according to claim 2 is characterized by: The drainage assembly (201) comprises a first drainage plate (2011), a second drainage plate (2012) and a fixing bolt (2013); the first drainage plate (2011) and the second drainage plate (2012) are both fixedly connected to the interior of the separation frame (102); the fixing bolt (2013) passes through the first drainage plate (2011) and the second drainage plate (2012) and extends to the interior of the separation frame (102); the fixing bolt (2013) is threadedly connected to the interior of the separation frame (102).
6. The sponge city rainwater treatment equipment for purifying surface source pollution according to claim 5 is characterized by: The guide plate (202) is arranged between the first guide plate (2011) and the second guide plate (2012) on one side opposite to the other, the guide plate (202) and the flow limiting plate (203) are both arranged in an arc shape, and a guide channel is formed between the guide plate (202) and the flow limiting plate (203).
7. The sponge city rainwater treatment equipment for purifying surface source pollution according to claim 2 is characterized by: The front side of the separation frame (102) is fixedly connected to a water inlet pipe (5), and the front side of the water inlet pipe (5) is fixedly connected to a water main pipe (6). The number of the water inlet pipes (5) is set to be several and evenly distributed inside the separation frame (102).
8. The sponge city rainwater treatment equipment for purifying surface source pollution according to claim 4 is characterized by: The adsorber (303) is provided with an adsorption hole (7) inside. The number of the filter plates (402) is set to three and is evenly distributed inside the filter box (401). The filter plates (402) are set to different filtration levels and are gradually enhanced.