Rainwater and sewage combined discharge isolation system
By installing a combined rainwater and sewage discharge isolation system at the sewage channel nodes of the farm, and utilizing speed bumps and channel design to separate rainwater and sewage, the problem of rainwater entering the manure ditch in old farms has been solved, reducing treatment costs and downtime, and improving separation efficiency.
Patent Information
- Application Number
- CN202520048837.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-01-09
AI Technical Summary
The open design of the manure ditches in old farms allows rainwater to enter freely, increasing the amount of manure produced and the difficulty of treatment. Existing renovation plans are costly and affect the normal use of the farms.
A combined rainwater and sewage discharge isolation system is adopted, including a separation well, a speed reduction plate, a sewage inlet channel, a sewage outlet channel, and a drainage channel. The separation of rainwater and sewage is achieved through the speed reduction effect of the speed reduction plate and the opening and closing of the channel. It is simplified into a device that is installed at the node of the sewage discharge channel for modification.
It achieves effective separation of rainwater and sewage, reduces treatment costs, minimizes the impact on farms, and is simple to operate with good separation results.
Smart Images
Figure CN223914916U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of aquaculture technology, specifically a rainwater and sewage combined discharge isolation system. Background Technology
[0002] To reduce the volume and difficulty of subsequent treatment of livestock manure, the agricultural sector has proposed a "dry-wet separation and rainwater-sewage separation" approach to reduce wastewater production at the source. Dry-wet separation refers to using dry manure cleaning methods to collect manure and wastewater separately; rainwater-sewage separation refers to constructing separate wastewater and rainwater collection networks to collect and treat wastewater and rainwater separately, thus reducing wastewater production at the source.
[0003] However, most of the manure ditches in old livestock farms are open, with a few using underground pipes. Rainwater can freely enter these ditches, reducing the concentration of pollutants in the manure and significantly increasing manure production, thus increasing the cost and difficulty of subsequent manure treatment. Therefore, it is necessary to upgrade old livestock farms to separate rainwater and sewage. Modifying the entire drainage channel would be costly, time-consuming, and disrupt the normal operation of the farm. Therefore, there is an urgent need for a device that can separate rainwater and sewage by modifying only a single point in the drainage channel, reducing costs and minimizing the impact on the farm. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a combined rainwater and sewage discharge isolation system, which solves the technical problems mentioned in the background section.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a combined rainwater and sewage discharge isolation system, comprising a separation well, a speed reduction plate fixedly installed inside the separation well, one end of the speed reduction plate being connected to the inner wall of the separation well, and a distance being provided between the other end of the speed reduction plate and the side wall of the separation well; an inlet channel and a outlet channel are respectively connected to one side of the speed reduction plate, and a drainage channel is connected to the other side of the separation well; a separation well cover plate support is provided at the top of the inner wall of the separation well, and a separation well cover plate is installed at the top of the separation well cover plate support. A turntable is installed in the center of the top wall of the separation well cover. A handle is eccentrically installed on the top wall of the turntable. A rotating shaft is connected to the separation well through the center of the bottom wall of the turntable. A connecting plate is fixedly fitted on the rotating shaft inside the separation well. A sewage ditch baffle is connected to the connecting plate. A first limiting block and a second limiting block are fixedly installed on the left and right sides of the sewage ditch on the inner side wall of the separation well, respectively. A filter plate is fixedly installed on the inner side wall of the separation well at the location of the drainage ditch. Channel covers are installed on the fixed side walls of the sewage inlet ditch, the sewage ditch, and the drainage ditch.
[0006] Preferably, the speed reducer has an arc.
[0007] Preferably, the drain baffle is tightly attached to the inner wall of the separation well.
[0008] Preferably, the bottom of the sewage ditch is level with the bottom wall of the separation well, the connection point between the sewage ditch and the separation well is higher than the bottom wall of the separation well, and the sewage inlet ditch is located at the top of the side wall of the separation well.
[0009] Preferably, the horizontal position of the connecting plate is higher than the top wall surface of the deceleration plate. When the side wall surface of the sewage channel baffle contacts the first limiting block, the sewage channel baffle can completely cover the connection port of the sewage channel. When the side wall surface of the sewage channel baffle contacts the second limiting block, the sewage channel baffle can completely open the connection port of the sewage channel.
[0010] Preferably, the filter plate has a metal mesh structure.
[0011] Preferably, the sewage inlet channel is connected to the rainwater collection and discharge pipe and the livestock manure discharge pipe of the farm, and the sewage outlet channel is connected to the sedimentation tank of the biogas digester of the farm.
[0012] Beneficial effects
[0013] This utility model provides a rainwater and sewage combined discharge isolation system, which has the following beneficial effects: the device has a simple structure and is easy to install. It can be used by installing the device at a certain node between the sewage channel and the biogas digester sedimentation tank. The separation of rainwater and excrement is achieved by opening and closing the sewage channel, the deceleration effect of the speed plate, and the height of the liquid level. It is easy to operate, low in cost, and has a good separation effect. Attached Figure Description
[0014] Figure 1 This is a top view of the rainwater and sewage combined discharge isolation system described in this utility model.
[0015] Figure 2 This is a schematic diagram of the internal structure of the rainwater and sewage combined discharge isolation system described in this utility model.
[0016] In the diagram: 1. Separation well; 2. Inlet channel; 3. Outlet channel; 4. Drainage channel; 5. Filter plate; 6. Speed reduction plate; 7. Outlet channel baffle; 8. Rotating shaft; 9. Connecting plate; 10. First limit block; 11. Second limit block; 12. Channel cover plate; 13. Separation well cover plate; 14. Separation well cover plate support; 15. Turntable; 16. Handle. Detailed Implementation
[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0018] Please see Figure 1-2 This utility model provides a technical solution for a combined rainwater and sewage discharge isolation system: A combined rainwater and sewage discharge isolation system includes a separation well 1. A speed reduction plate 6 is fixedly installed inside the separation well 1. One end of the speed reduction plate 6 is connected to the inner wall of the separation well 1, and a distance is provided between the other end of the speed reduction plate 6 and the side wall of the separation well 1. An inlet channel 2 and an outlet channel 3 are connected to one side of the separation well 1 via the speed reduction plate 6, and a drainage channel 4 is connected to the other side of the separation well 1 via the speed reduction plate 6. A separation well cover plate support 14 is provided at the top of the inner wall of the separation well 1, and a separation well cover plate 13 is installed at the top of the separation well cover plate support 14. A turntable 15 is installed at the center of the top wall of the manhole cover 13. A handle 16 is eccentrically installed on the top wall of the turntable 15. A rotating shaft 8 is connected to the manhole 1 through the manhole cover 13 at the center of the bottom wall of the turntable 15. A connecting plate 9 is fixedly fitted inside the manhole 1 on the rotating shaft 8. A sewage ditch baffle 7 is connected to the connecting plate 9. A first limiting block 10 and a second limiting block 11 are fixedly installed on the left and right sides of the sewage ditch 3 on the inner wall of the manhole 1, respectively. A filter plate 5 is fixedly installed on the inner wall of the manhole 1 at the position of the drainage ditch 4. Channel covers 12 are installed on the fixed side walls of the sewage inlet ditch 2, the sewage outlet ditch 3 and the drainage ditch 4.
[0019] Furthermore, the speed reducer 6 is curved, which can slow down the flow rate of sewage from 2 into 1. During sewage discharge, the sewage is slowed down and then discharged from the sewage ditch into the sedimentation tank for collection. When there is heavy rainfall, the sewage ditch is closed, and the high-velocity rainwater and sewage enter the separation well and are slowed down by the speed reducer. Initial sedimentation occurs in the separation well, and the cleaner rainwater flows from the opening between the speed reducer and the separation well to the other side of the speed reducer. After the water level is higher than the drainage ditch, it is discharged from the drainage ditch. This can initially treat rainwater and sewage and increase the environmental protection effect.
[0020] Furthermore, the sewage drain baffle 7 is closely attached to the inner wall of the separation well 1, which can block the sewage drain outlet and prevent a large amount of rainwater from entering the sedimentation tank and causing pollution to the sedimentation tank.
[0021] Furthermore, the bottom of the sewage ditch 3 is level with the bottom wall of the separation well 1, the connection point of the drainage ditch 4 and the separation well 1 is higher than the bottom wall of the separation well 1, and the sewage inlet ditch 2 is located at the top of the side wall of the separation well 1.
[0022] Furthermore, the horizontal position of the connecting plate 9 is higher than the top wall of the deceleration plate 6. When the side wall of the sewage channel baffle 7 contacts the first limiting block 10, the sewage channel baffle 7 can completely cover the connection port of the sewage channel 3. When the side wall of the sewage channel baffle 7 contacts the second limiting block 11, the sewage channel baffle 7 can completely open the connection port of the sewage channel 3, limiting the sewage channel baffle and facilitating personnel operation.
[0023] Furthermore, filter plate 5 has a metal mesh structure.
[0024] Furthermore, the inlet ditch 2 is connected to the rainwater collection and discharge pipes and livestock manure discharge pipes of the farm, and the outlet ditch 3 is connected to the sedimentation tank of the biogas digester of the farm.
[0025] Example: Under normal weather conditions, by rotating the turntable 15 with the handle 16, the sewage drain baffle 7 moves to the position of the second limit block 11, fully opening the connection port of the sewage drain 3. The separation well 1 then performs the function of sewage discharge. After cleaning the manure and urine of livestock in the farm, the mixture enters the separation well 1 through the sewage inlet 2. Under the obstruction of the deceleration plate 6, it slows down and flows slowly towards the sewage drain 3 at the bottom of the separation well 1. After passing through the sewage drain 3, it finally enters the sedimentation tank for collection, waiting for recycling in the biogas digester.
[0026] When it is rainy, the livestock excrement in the farm is cleaned up in an extra way. Instead of being discharged through the sewage inlet ditch 2, the sewage inlet baffle 7 is moved to the position of the first limit block 10 by turning the turntable 15 with the handle 16, so as to completely cover the sewage inlet 3 and prevent rainwater from entering the sedimentation tank through the sewage inlet 3 and causing pollution to the sedimentation tank.
[0027] The rainwater drainage system in the farm discharges rainwater into the inlet ditch 2, and then into the deceleration plate 6. The rainwater is slowed down by the deceleration plate 6 and accumulates and settles in the separation well 1. During settling, impurities fall to the bottom of the separation well 1, while the relatively pure rainwater separates at the top. When the rainwater level is higher than the drainage ditch 4, the rainwater is discharged through the drainage ditch 4. At the same time, the filter plate 5 at the location of the drainage ditch 4 can play a filtering role.
[0028] This device separates rainwater and excrement by opening and closing the sewage channel 3, slowing down the deceleration plate 6, and adjusting the liquid level. It has a simple structure, is easy to operate, has low cost, and provides good separation effect.
[0029] It should be noted that in this document, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.
Claims
1. A combined rainwater and sewage discharge isolation system, comprising a separation well (1), characterized in that, A speed reduction plate (6) is fixedly installed inside the separation well (1). One end of the speed reduction plate (6) is connected to the inner wall of the separation well (1), and the other end of the speed reduction plate (6) is separated from the side wall of the separation well (1). A sewage inlet channel (2) and a sewage outlet channel (3) are connected to one side of the speed reduction plate (6), and a drainage channel (4) is connected to the other side of the speed reduction plate (6). A separation well cover plate support (14) is provided at the top of the inner wall of the separation well (1), and a separation well cover plate (13) is installed at the top of the separation well cover plate support (14). A turntable (15) is installed in the center of the top wall of the separation well cover plate (13). A handle (16) is eccentrically installed on the top wall. A rotating shaft (8) is connected to the separation well (1) through the center of the bottom wall of the turntable (15) and through the separation well cover plate (13). A connecting plate (9) is fixedly fitted inside the separation well (1) on the rotating shaft (8). A sewage channel baffle (7) is connected to the connecting plate (9). A first limiting block (10) and a second limiting block (11) are fixedly installed on the left and right sides of the sewage channel (3) on the inner wall of the separation well (1). A filter plate (5) is fixedly installed on the inner wall of the separation well (1) at the position of the drainage channel (4). Channel covers (12) are installed on the fixed side walls of the sewage inlet channel (2), the sewage outlet channel (3) and the drainage channel (4).
2. The rainwater and sewage combined discharge isolation system according to claim 1, characterized in that, The speed reduction plate (6) has an arc.
3. The rainwater and sewage combined discharge isolation system according to claim 1, characterized in that, The drain baffle (7) is closely attached to the inner wall of the separation well (1).
4. The rainwater and sewage combined discharge isolation system according to claim 1, characterized in that, The bottom of the sewage ditch (3) is level with the bottom wall of the separation well (1), the connection point of the drainage ditch (4) and the separation well (1) is higher than the bottom wall of the separation well (1), and the sewage inlet ditch (2) is located at the top of the side wall of the separation well (1).
5. The rainwater and sewage combined discharge isolation system according to claim 1, characterized in that, The horizontal position of the connecting plate (9) is higher than the top wall of the deceleration plate (6). When the side wall of the sewage channel baffle (7) is in contact with the first limiting block (10), the sewage channel baffle (7) can completely cover the connection port of the sewage channel (3). When the side wall of the sewage channel baffle (7) is in contact with the second limiting block (11), the sewage channel baffle (7) can completely open the connection port of the sewage channel (3).
6. The rainwater and sewage combined discharge isolation system according to claim 1, characterized in that, The filter plate (5) has a metal mesh structure.
7. The rainwater and sewage combined discharge isolation system according to claim 1, characterized in that, The sewage inlet channel (2) is connected to the rainwater collection and discharge pipe and the livestock manure discharge pipe of the farm, and the sewage outlet channel (3) is connected to the sedimentation tank of the biogas digester of the farm.