Plug-in type flexible cut-off device

Abstract

The utility model belongs to the technical field of sewage treatment, and discloses a plug-in type flexible cut-off device which comprises a cut-off well, a water inlet pipeline and at least one water outlet pipeline are arranged on the periphery of the cut-off well, the cut-off device is fixedly connected to the end of the water outlet pipeline in an inserted mode, and the cut-off device comprises a valve body. A flexible valve sleeve is fixedly installed in the valve body, a sealed air chamber is formed between the wall of the flexible valve sleeve and the inner wall of the water outlet pipeline, an inflation and deflation pipe is arranged at one end of the flexible valve sleeve and communicated with the inflation and deflation end of the screw type air compressor, and a plurality of high-pressure air ejector pipes are evenly arranged at the end, exposed out of the water outlet pipeline, of the valve body in the radial direction. The screw type air compressor is arranged to inflate and deflate the flexible valve sleeve, meanwhile, air is introduced into the high-pressure air spraying pipe, and the surface of the flexible valve sleeve is blown and cleaned through the high-pressure spraying head, so that the situation that the valve body cannot be completely closed due to impurity accumulation is effectively prevented.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically to an insertable flexible interception device. Background Technology

[0002] The intelligent flexible pneumatic interception device is a drainage facility that uses compressed air as a power source for flexible control to achieve separation of clean and polluted water. Its operating mode is as follows:

[0003] On sunny days, the flexible interception device (sewage valve) is open, and the flexible interception device (rainwater valve) is closed;

[0004] During rainy weather, when the rainfall does not reach the warning level, the flexible interception device (rainwater valve) remains closed, while the flexible interception device (sewage valve) opens, trapping the initial rainfall into the initial rainfall pipe and transporting it to the initial rainfall treatment plant for processing. When the water level in the well reaches the warning level, the flexible interception device (sewage valve) closes, and the flexible interception device (rainwater valve) opens, allowing the rainwater to flow directly into natural water bodies. Once the rain stops, the system returns to sunny weather conditions.

[0005] However, sewage often flows through the body of flexible interception devices (sewage valves), which can easily cause impurities to accumulate, making it impossible to completely close the valve.

[0006] Meanwhile, since valve sleeves are generally made of composite rubber, polymers, or polymer composite materials with natural rubber as the base, they have low resilience. After the flexible shut-off device changes from closed to open, it cannot return to its original position, thereby reducing the flow cross-section of the pipeline.

[0007] To address these two issues, a new technology is needed to upgrade the flexible flow control device. Utility Model Content

[0008] The purpose of this invention is to provide an insertable flexible flow interception device, which aims to solve the aforementioned technical problems existing in the prior art.

[0009] To achieve the above objectives, the present invention adopts the following technical solution:

[0010] An insertable flexible interception device includes an interception well. An inlet pipe and at least one outlet pipe are arranged around the perimeter of the interception well. The interception device is inserted and fixed to the end of the outlet pipe. The interception device includes a valve body. A flexible valve sleeve is fixedly installed inside the valve body. A sealed air chamber is formed between the wall of the flexible valve sleeve and the inner wall of the outlet pipe. One end of the flexible valve sleeve is provided with a charging / discharging pipe, which is connected to the charging / discharging end of a screw air compressor. Multiple high-pressure jet pipes are evenly arranged radially at the end of the valve body exposed above the outlet pipe. A high-pressure nozzle is provided at one end of each high-pressure jet pipe. All high-pressure jet pipes are connected to the charging / discharging end of the screw air compressor. The high-pressure jet pipes extend into the air chamber close to the interior of the flexible valve sleeve, and the high-pressure nozzles are close to and located within the inner wall of the flexible valve sleeve.

[0011] In a preferred embodiment of this utility model, mounting flanges are provided around the inner wall of the valve body and near both ends. Multiple threaded holes are uniformly opened on the surface of the mounting flanges. Sealing flanges are provided at both ends of the valve body. The sealing flanges are fastened to the corresponding mounting flanges by mounting bolts. The end of the flexible valve sleeve wall is clamped between the sealing flange and the mounting flange.

[0012] In a preferred embodiment of this utility model, a plurality of mounting lugs are evenly provided on one side of the flange extending out of the water outlet pipe, and the mounting lugs are fastened to the end face of the water outlet pipe by the mounting bolts.

[0013] In a preferred embodiment of this utility model, all of the multiple high-pressure jet pipes are connected to an annular main air pipe, which is connected to the charging / discharging end of a screw air compressor via a pipeline, and the charging / discharging pipe is connected to the main air pipe.

[0014] In a preferred embodiment of this utility model, a maintenance cover is provided on the top of the intercepting well.

[0015] In a preferred embodiment of this utility model, two water outlet pipes are provided, which are respectively connected to a sewage treatment plant and a natural water body.

[0016] The beneficial effects of this utility model are:

[0017] This invention utilizes a screw-type air compressor to simultaneously pressurize and depress the flexible valve sleeve while simultaneously introducing gas into a high-pressure jet pipe. The high-pressure nozzle then cleans the surface of the flexible valve sleeve by blowing air through it, effectively preventing the accumulation of impurities that could prevent the valve body from closing completely. The sealing flange and mounting flange work together to clamp the flexible valve sleeve and valve body, achieving a completely sealed installation. Furthermore, the detachable design allows for quick and easy installation and removal of the flexible valve sleeve, making the installation and maintenance of this device extremely convenient and efficient. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall planar structure of the present invention;

[0019] Figure 2 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 3 This is a schematic diagram of the planar structure of the present invention in its open state;

[0021] Figure 4 This is a schematic diagram of the planar structure of the present invention in its closed state.

[0022] Reference numerals in the attached diagram; where: 1. Interception well; 101. Inspection cover; 2. Water outlet pipe; 3. Flexible interception device; 301. Valve body; 30101. Mounting flange; 30302. Threaded hole; 302. Flexible valve sleeve; 303. Air chamber; 304. Air charging / discharging pipe; 305. High-pressure jet pipe; 306. High-pressure nozzle; 307. Sealing flange; 308. Mounting bolt; 309. Mounting lug; 310. Main air pipe; 4. Water inlet pipe; 5. Screw air compressor. Detailed Implementation

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the present utility model will be briefly introduced below in conjunction with the accompanying drawings and descriptions of the embodiments or the prior art. Obviously, the following description of the structure of the accompanying drawings is only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. It should be noted that the description of these embodiments is used to help understand this utility model, but does not constitute a limitation on this utility model.

[0024] Example:

[0025] like Figure 1-4As shown, this embodiment provides an insertable flexible interception device, including an interception well 1. An inlet pipe 4 and at least one outlet pipe 2 are provided around the perimeter of the interception well 1. The interception device is inserted and fixed to the end of the outlet pipe 2. The interception device includes a valve body 301, and a flexible valve sleeve 302 is fixedly installed inside the valve body 301. A sealed air chamber 303 is formed between the wall of the flexible valve sleeve 302 and the inner wall of the outlet pipe 2. An air filling / discharging pipe 304 is provided at one end of the flexible valve sleeve 302. The charging / discharging pipe 304 is connected to the charging / discharging end of the screw air compressor 5. The end of the valve body 301 exposed from the water outlet pipe 2 is provided with multiple high-pressure jet pipes 305 evenly arranged radially. One end of the high-pressure jet pipe 305 is provided with a high-pressure nozzle 306. All the high-pressure jet pipes 305 are connected to the charging / discharging end of the screw air compressor 5. The high-pressure jet pipes 305 extend into the air inside the flexible valve sleeve 302 closely. The high-pressure nozzle 306 is closely attached to the inner wall of the flexible valve sleeve 302 and is located inside it.

[0026] Specifically, as shown in the figure, when the flexible interception device 3 is about to close, the screw air compressor 5 supplies gas into the flexible valve sleeve 302 through the charging and discharging pipe 304, thereby causing the air chamber 303 to expand and the flexible valve sleeve 302 to deform, thus reducing the cross-sectional area of ​​the flow channel until it disappears, achieving the effect of intercepting sewage; while the screw air compressor 5 is charging the flexible valve sleeve 302, it is also introducing gas into the high-pressure jet pipe 305, and the high-pressure nozzle 306 blows and cleans the surface of the flexible valve sleeve 302 to prevent the accumulation of impurities, which could lead to the inability to completely close the valve body 301;

[0027] When the flexible flow-stopping device 3 is ready to be turned on, the screw air compressor 5 extracts the gas from the air chamber 303 through the air pipe, so that the flexible valve sleeve 302 returns to its original position. At the same time, gas is introduced into the high-pressure jet pipe 305, and the surface of the flexible valve sleeve 302 is cleaned through the high-pressure nozzle 306 to prevent impurities from adhering to the surface of the flexible valve sleeve 302 and affecting the flow section.

[0028] In a preferred embodiment of this utility model, the inner wall of the valve body 301 is provided with mounting flanges 30101 around its perimeter and near both ends. The surface of the mounting flanges 30101 is uniformly provided with multiple threaded holes 30302. Both ends of the valve body 301 are provided with sealing flanges 307. The sealing flanges 307 are fastened to the corresponding mounting flanges 30101 by mounting bolts 308. The end of the flexible valve sleeve 302 is clamped between the sealing flanges 307 and the mounting flanges 30101. By clamping the flexible valve sleeve 302 with the mounting flanges 307 and 30101, a complete sealing installation of the flexible valve sleeve 302 and the valve body 301 can be achieved. At the same time, through the above-mentioned detachable structural design, the flexible valve sleeve 302 can be quickly installed and disassembled, making the installation and maintenance of this device very convenient and quick.

[0029] In addition, the sealing performance of the air chamber 303 can be improved by providing multiple rings of raised sealing teeth on the surfaces of the mounting flange 30101 and the sealing flange 307 through line-surface sealing.

[0030] In a preferred embodiment of this utility model, a plurality of mounting ears 309 are evenly provided on the flange side extending out of the water outlet pipe 2, and the mounting ears 309 are fastened to the end face of the water outlet pipe 2 by mounting bolts 308.

[0031] In a preferred embodiment of this utility model, multiple high-pressure jet pipes 305 are further connected to an annular main air pipe 310, and the main air pipe 310 is connected to the charging and discharging end of the screw air compressor 5 through a pipeline, and the charging and discharging pipe 304 is connected to the main air pipe 310.

[0032] In a preferred embodiment of the present invention, a maintenance cover 101 is further provided on the top of the intercepting well 1.

[0033] In a preferred embodiment of this utility model, two outlet pipes 2 are provided, which are respectively connected to a sewage treatment plant and a natural water body.

[0034] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. An insertable flexible interception device, comprising an interception well (1), wherein an inlet pipe (4) and at least one outlet pipe (2) are provided around the perimeter of the interception well (1), characterized in that, A flow-stopping device is fixedly inserted at the end of the water outlet pipe (2). The flow-stopping device includes a valve body (301). A flexible valve sleeve (302) is fixedly installed inside the valve body (301). A sealed air chamber (303) is formed between the wall of the flexible valve sleeve (302) and the inner wall of the water outlet pipe (2). A charging / discharging pipe (304) is provided at one end of the flexible valve sleeve (302). The charging / discharging pipe (304) is connected to the charging / discharging end of the screw air compressor (5). The valve body (301) Multiple high-pressure jet pipes (305) are evenly arranged radially at one end of the exposed water outlet pipe (2). A high-pressure nozzle (306) is provided at one end of each high-pressure jet pipe (305). All the high-pressure jet pipes (305) are connected to the charging and discharging end of the screw air compressor (5). The high-pressure jet pipes (305) extend into the air inside the flexible valve sleeve (302) closely. The high-pressure nozzle (306) is close to the inner wall of the flexible valve sleeve (302) and is located inside it.

2. The insertable flexible flow-blocking device according to claim 1, characterized in that, The valve body (301) has mounting flanges (30101) around its inner wall and near both ends. The mounting flanges (30101) have multiple threaded holes (30302) evenly distributed on their surfaces. The valve body (301) has sealing flanges (307) at both ends. The sealing flanges (307) are fastened to the corresponding mounting flanges (30101) by mounting bolts (308). The flexible valve sleeve (302) is clamped between the sealing flanges (307) and the mounting flanges (30101) at its wall end.

3. The insertable flexible flow-blocking device according to claim 2, characterized in that, Multiple mounting ears (309) are evenly arranged on one side of the flange extending out of the water outlet pipe (2). The mounting ears (309) are fastened to the end face of the water outlet pipe (2) by the mounting bolts (308).

4. The insertable flexible flow-blocking device according to claim 3, characterized in that, Multiple high-pressure jet pipes (305) are connected to an annular main air pipe (310). The main air pipe (310) is connected to the charging and discharging end of the screw air compressor (5) through a pipeline. The charging and discharging pipe (304) is connected to the main air pipe (310).

5. The insertable flexible flow-blocking device according to claim 1, characterized in that, The top of the intercepting well (1) is provided with a maintenance cover (101).

6. The insertable flexible flow-blocking device according to claim 1, characterized in that, Two outlet pipes (2) are provided, and the two outlet pipes (2) are respectively connected to the sewage treatment plant and the natural water body.

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