Urban water supply pipe network blowdown device

Abstract

The utility model discloses a blowdown device for an urban water supply network. The blowdown device comprises a municipal drainage main pipeline, the water falling well is vertically arranged above the municipal drainage main pipeline, the bottom end of the water falling well is communicated with the municipal drainage main pipeline, and the water falling well is used for guiding and draining rainwater on the road surface; the sewage collecting well is vertically arranged on one side of the municipal drainage main pipeline, and a first sewage guide pipe is communicated between the municipal drainage main pipeline and the sewage collecting well; the first sewage filtering plate is arranged in the municipal drainage main pipeline and used for filtering out impurities in sewage and guiding the impurities into the first sewage guiding pipe, the first sewage filtering plate is located on the side, facing the sewage collecting well, of the joint of the first sewage guiding pipe and the municipal drainage main pipeline, and the water falling well is located above the first sewage filtering plate. According to the utility model, the impurity removal and pollution discharge effects of the municipal drainage main pipeline can be realized, and the municipal drainage main pipeline is prevented from being blocked by impurities, so that the municipal pollution discharge is smoother, and the pollution discharge effect is more obvious.

Description

Technical Field

[0001] The utility model relates to the technical field of municipal drainage, in particular to a sewage discharge device for a city water supply pipe network. Background Art

[0002] The urban drainage system is an engineering facility system that treats and removes urban sewage and rainwater, and is an integral part of urban public facilities. The urban drainage system is usually composed of drainage pipes and sewage treatment. The sewage from cranes is collected by drainage pipes, sent to sewage treatment, and then discharged into water bodies or recycled; rainwater runoff is collected by drainage pipes and discharged into nearby water bodies.

[0003] In the process of urban sewage discharge, it is not difficult to find that the existing municipal sewage pipes are often blocked due to the accumulation of dead branches, domestic garbage, etc., which affects the normal sewage discharge of the city and often requires manpower and material resources to dredge. In view of this, the present application proposes a sewage discharge device for an urban water supply network. Utility Model Content

[0004] The purpose of the utility model is to provide a sewage discharge device for a city water supply network, which can achieve the effect of removing impurities and discharging sewage from the municipal drainage main pipeline, prevent impurities from clogging the municipal drainage main pipeline, make the municipal sewage discharge smoother, and the sewage discharge effect more significant.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A sewage discharge device for a city water supply network comprises a municipal drainage main pipeline; a downspout vertically arranged above the municipal drainage main pipeline, the bottom of which is connected to the municipal drainage main pipeline and is used for draining rainwater from a road surface; a sewage collecting well vertically arranged on one side of the municipal drainage main pipeline, a first sewage pipe being connected between the municipal drainage main pipeline and the sewage collecting well; and a first sewage filter plate arranged in the municipal drainage main pipeline and used for filtering out impurities in sewage and guiding the impurities into the first sewage pipe.

[0007] Preferably, the first sewage filter plate is located on the side of the connection between the first sewage pipe and the municipal drainage main pipe facing the sewage collecting well, the downhole is located above the first sewage filter plate, and the angle between the side of the first sewage pipe close to the first sewage filter plate and the municipal drainage main pipe is in the range of 20 to 40°.

[0008] Preferably, a second sewage filter plate is provided in the downspout, the second sewage filter plate is inclined toward one side of the sewage collecting well, the downspout is connected to a second sewage pipe at a position above the second sewage filter plate, and the other end of the second sewage pipe is connected to the sewage collecting well.

[0009] Preferably, the first sewage pipe gradually slopes down from the municipal drainage main pipeline toward one end of the sewage collecting well, and the second sewage pipe gradually slopes down from the downhole toward one end of the sewage collecting well.

[0010] Preferably, the sewage collecting well is connected to an overflow pipe on one side away from the first sewage pipe, the other end of the overflow pipe is connected to the municipal drainage main pipe, and the overflow pipe gradually rises from the sewage collecting well toward one end of the municipal drainage main pipe, and a third sewage filter plate is provided at the end of the overflow pipe facing the sewage collecting well.

[0011] Preferably, the top of the downspout is flush with the top of the sewage collecting well, the bottom of the sewage collecting well is arranged lower than the municipal drainage main pipe, a first grid-shaped manhole cover is arranged at the top of the downspout, and a second manhole cover is arranged at the top of the sewage collecting well, and the second manhole cover is used to seal the top of the sewage collecting well.

[0012] Preferably, a hanging basket is provided in the sewage collecting well, the hanging basket is located below the first sewage pipe, and a hanging rope for hanging the hanging basket is tied to the second well cover.

[0013] Preferably, the first sewage filter plate is rotatably installed in the municipal drainage main pipeline, an operating rod is vertically penetrated in the downspout, a clamping structure is provided between the bottom end of the operating rod and the first sewage filter plate, and the top end of the operating rod passes through the first manhole cover and is provided with an operating handle.

[0014] Preferably, the clamping structure includes a connecting block fixed to the top of the first filter plate and a plug plate fixed to the bottom end of the operating rod, the top of the connecting block is provided with a slot for accommodating the plug plate to be inserted, the second filter plate is provided with a through groove for accommodating the slot to pass through, and the bottom of the second filter plate is provided with a shield plate for blocking the through groove, one side of the shield plate is hinged to the second filter plate, and a torsion spring is installed at the hinge axis between the shield plate and the second filter plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] The utility model sets a sewage collection well at one side of the municipal drainage main pipeline, and the first sewage guide pipe is connected between the municipal drainage main pipeline and the sewage collection well. During the discharge of municipal sewage through the municipal drainage main pipeline, the first sewage filter plate in the municipal drainage main pipeline is used to block impurities in the sewage. The blocked impurities are introduced into the sewage collection well by the inclined first sewage guide pipe under the flushing of sewage, and the impurities are gathered in the sewage collection well under the blocking of the third sewage filter plate, so as to achieve the purpose of removing impurities and discharging sewage from the municipal drainage main pipeline, prevent impurities from clogging the municipal drainage main pipeline and affecting municipal sewage discharge, and make municipal sewage discharge smoother.

[0017] The utility model connects the second sewage pipe between the downspout and the sewage collecting well. After rainwater on the road surface falls into the downspout, impurities in the rainwater can be filtered out by the second sewage filter plate. The filtered rainwater falls into the municipal drainage main pipeline to wash the first sewage filter plate. Impurities filtered out of the rainwater are drained by the second sewage pipe to the sewage collecting well for collection, so that impurities on the road surface are prevented from being washed into the municipal drainage main pipeline by rainwater and causing blockage. Moreover, impurities discharged into the sewage collecting well can be centrally cleaned after the second well cover is opened, and a higher sewage discharge effect is achieved.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a cross-sectional view of the municipal drainage pipe and the downspout of the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the sewage collection well of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the clamping structure of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the second filter plate of the utility model.

[0024] In the figure: 1. municipal drainage main pipeline; 2. downspout; 3. sewage collecting well; 4. first sewage pipe; 5. second sewage pipe; 6. first manhole cover; 7. overflow pipe; 8. second manhole cover; 9. first sewage filter plate; 10. second sewage filter plate; 11. operating rod; 12. operating handle; 13. snap-on structure; 14. hanging basket; 15. hanging rope; 16. connecting block; 17. plug plate; 18. slot; 19. through groove; 20. shield plate; 21. third sewage filter plate. DETAILED DESCRIPTION

[0025] In the description of the present utility model, 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 drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model. The following is a detailed description of various embodiments of the present utility model in conjunction with the drawings.

[0026] Example

[0027] See also Figures 1 to 5 , the utility model preferably provides a technical solution:

[0028] A sewage discharge device for a city water supply network comprises a municipal drainage main pipeline 1; a downspout 2 vertically arranged above the municipal drainage main pipeline 1, the bottom end of the downspout 2 is connected to the municipal drainage main pipeline 1 and is used for draining rainwater from a road surface; a sewage collection well 3 vertically arranged on one side of the municipal drainage main pipeline 1, a first sewage pipe 4 is connected between the municipal drainage main pipeline 1 and the sewage collection well 3; a first sewage filter plate 9 arranged in the municipal drainage main pipeline 1, which is used to filter out impurities in sewage and guide the impurities into the first sewage pipe 4. With this structural method, during the process of municipal sewage being discharged through the municipal drainage main pipeline 1, the first sewage filter plate 9 in the municipal drainage main pipeline 1 is used to block impurities in the sewage, and the blocked impurities are guided into the sewage collection well 3 by the inclined first sewage pipe 4 under the flushing of sewage, so as to achieve the purpose of removing impurities and discharging sewage from the municipal drainage main pipeline 1, and prevent impurities from clogging the municipal drainage main pipeline 1 and affecting municipal sewage discharge.

[0029] As a preferred implementation of this embodiment, the first sewage filter plate 9 is located on the side of the connection between the first sewage pipe 4 and the municipal drainage main pipe 1 facing the sewage collecting well 3, and the angle between the side of the first sewage pipe 4 close to the first sewage filter plate 9 and the municipal drainage main pipe 1 is in the range of 20 to 40°. The impurities filtered out by the first sewage filter plate 9 can be smoothly introduced into the sewage collecting well 3 through the first sewage pipe 4.

[0030] Furthermore, the downspout 2 is located above the first sewage filter plate 9, and rainwater on the road surface is discharged into the municipal drainage main pipe 1 through the downspout 2, so as to flush the first sewage filter plate 9. A second sewage filter plate 10 is arranged in the downspout 2, and the second sewage filter plate 10 is inclined toward one side of the sewage collecting well 3. The downspout 2 is connected to a second sewage pipe 5 at a position above the second sewage filter plate 10, and the other end of the second sewage pipe 5 is connected to the sewage collecting well 3. After the rainwater on the road surface falls into the downspout 2, the impurities in the rainwater are filtered out by the second sewage filter plate 10, and the filtered rainwater falls into the municipal drainage main pipe 1 to flush the first sewage filter plate 9. The impurities filtered out in the rainwater are discharged by the second sewage pipe 5 to the sewage collecting well 3 for collection, so as to avoid the impurities on the road surface being washed into the municipal drainage main pipe 1 by rainwater and causing blockage.

[0031] Furthermore, the first sewage pipe 4 gradually slopes downward from the municipal drainage main pipeline 1 toward one end of the sewage collection well 3, and the second sewage pipe 5 gradually slopes downward from the downhole 2 toward one end of the sewage collection well 3, so as to facilitate the discharge of impurities into the sewage collection well 3 for collection. The side of the sewage collection well 3 away from the first sewage pipe 4 is connected with an overflow pipe 7, and the other end of the overflow pipe 7 is connected with the municipal drainage main pipeline 1, and the overflow pipe 7 gradually slopes upward from the sewage collection well 3 toward one end of the municipal drainage main pipeline 1, and the overflow pipe 7 can introduce the sewage discharged into the sewage collection well 3 into the municipal drainage main pipeline 1 again, and the end of the overflow pipe 7 facing the sewage collection well 3 is provided with a third sewage filter plate 21, which is used to prevent the impurities entering the sewage collection well 3 from being discharged by the overflow pipe 7.

[0032] As a preferred implementation manner of this embodiment, the top of the downspout 2 is flush with the top of the sewage collecting well 3. During the installation process, the tops of the downspout 2 and the sewage collecting well 3 both leak out of the road surface. The bottom of the sewage collecting well 3 is set lower than the municipal drainage main pipe 1. A first grid-shaped manhole cover 6 is provided at the top of the downspout 2. Rainwater can pass through the first manhole cover 6 and be discharged into the downspout 2. A second manhole cover 8 is provided at the top of the sewage collecting well 3. The second manhole cover 8 is used to seal the top of the sewage collecting well 3. After the second manhole cover 8 is opened, the impurities in the sewage collecting well 3 can be cleaned.

[0033] Furthermore, a hanging basket 14 is provided in the sewage collecting well 3, and the hanging basket 14 is located below the first sewage pipe 4. A hanging rope 15 for hanging the hanging basket 14 is tied to the second manhole cover 8. The hanging basket 14 can filter impurities discharged into the sewage collecting well 3, and larger impurities are collected in the hanging basket 14, while sludge impurities are deposited at the bottom of the sewage collecting well 3 through the hanging basket 14, so as to facilitate the classification, collection and treatment of impurities.

[0034] As a preferred implementation of this embodiment, the first sewage filter plate 9 is rotatably installed in the municipal drainage main pipe 1, an operating rod 11 is vertically penetrated in the downspout 2, a clamping structure 13 is arranged between the bottom end of the operating rod 11 and the first sewage filter plate 9, the top end of the operating rod 11 passes through the first manhole cover 6 and is provided with an operating handle 12, the clamping structure 13 includes a connecting block 16 fixed to the top of the first sewage filter plate 9 and a plug plate 17 fixed to the bottom end of the operating rod 11, a slot 18 capable of accommodating the plug plate 17 is provided at the top of the connecting block 16, and a slot 18 for inserting the plug plate 17 is provided on the second sewage filter plate 10. There is a through slot 19 through which the slot 18 can pass. A baffle 20 for blocking the through slot 19 is provided at the bottom of the second filter plate 10. One side of the baffle 20 is hinged to the second filter plate 10, and a torsion spring is provided at the hinge axis of the baffle 20 and the second filter plate 10. The plug plate 17 at the bottom end of the operating rod 11 is inserted into the plug plate 17 on the connecting block 16, and then the operating rod 11 is twisted to drive the first filter plate 9 to rotate, so that the first filter plate 9 is placed along the length direction of the municipal drainage main pipeline 1, and the sewage in the municipal drainage main pipeline 1 is no longer filtered, so as to discharge flood water and sewage in an emergency.

[0035] When in use, when municipal sewage is discharged through the municipal drainage main pipe 1, the first filter plate 9 in the municipal drainage main pipe 1 is used to block impurities in the sewage. The blocked impurities are introduced into the sewage collection well 3 by the inclined first sewage pipe 4 under the flushing of sewage, and the impurities are gathered in the sewage collection well 3 under the blocking of the third filter plate 21, so as to achieve the purpose of removing impurities and discharging sewage from the municipal drainage main pipe 1, and prevent impurities from clogging the municipal drainage main pipe 1 and affecting the municipal sewage discharge. Furthermore, after rainwater on the road falls into the downhole 2, the second filter plate 10 is used to filter out impurities in the rainwater, and the filtered rainwater falls into the municipal drainage main pipe 1 to flush the first filter plate 9, and the impurities filtered out in the rainwater are discharged by the second sewage pipe 5 to the sewage collection well 3 for collection, so as to prevent road impurities from being flushed into the municipal drainage main pipe 1 by rainwater and causing blockage. Furthermore, in an emergency, the plug plate 17 at the bottom of the operating rod 11 is inserted into the plug plate 17 on the connecting block 16, and then the operating rod 11 is turned to drive the first filter plate 9 to rotate, so that the first filter plate 9 is placed along the length direction of the municipal drainage main pipe 1, and the sewage in the municipal drainage main pipe 1 is no longer filtered, so as to discharge flood water and sewage in an emergency.

[0036] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. There are many ways of detachable installation, for example, it can be through the method of plug-in and buckle matching, and for example, through the method of bolt connection, etc.

[0037] The above clearly and completely describes the concept, specific structure and technical effects of the utility model in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model. In addition, all the connection / connection relationships mentioned in the text do not refer to the direct connection of components, but refer to the fact that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation.

[0038] The specific description of the present invention in the above embodiments is only used to further illustrate the present invention and cannot be understood as limiting the scope of protection of the present invention. Technical engineers in this field may make some non-essential improvements and adjustments to the present invention based on the contents of the above-mentioned utility model, which fall within the scope of protection of the present invention.

Claims

1. A sewage discharge device for a city water supply network, characterized in that: include: Municipal sewer main (1); A downspout (2) vertically arranged above the municipal drainage main pipeline (1), the bottom end of the downspout (2) being connected to the municipal drainage main pipeline (1) and used for draining rainwater from the road surface; A sewage collection well (3) is vertically arranged on one side of the municipal drainage main pipeline (1), and a first sewage guide pipe (4) is connected between the municipal drainage main pipeline (1) and the sewage collection well (3); The first sewage filter plate (9) arranged in the municipal drainage main pipeline (1) is used to filter out impurities in sewage and guide the impurities into the first sewage pipe (4).

2. A sewage discharge device for a city water supply network according to claim 1, characterized in that: The first sewage filter plate (9) is located at a side of the connection between the first sewage pipe (4) and the municipal drainage main pipe (1) facing the sewage collection well (3), the downhole (2) is located above the first sewage filter plate (9), and the angle between a side of the first sewage pipe (4) close to the first sewage filter plate (9) and the municipal drainage main pipe (1) is in the range of 20 to 40 degrees.

3. A sewage discharge device for a city water supply network according to claim 2, characterized in that: A second sewage filter plate (10) is arranged in the downspout (2), and the second sewage filter plate (10) is arranged to be inclined toward one side of the sewage collecting well (3). The downspout (2) is connected to a second sewage guide pipe (5) at a position above the second sewage filter plate (10), and the other end of the second sewage guide pipe (5) is connected to the sewage collecting well (3).

4. A sewage discharge device for a city water supply network according to claim 3, characterized in that: The first sewage pipe (4) gradually slopes downward from the municipal drainage main pipeline (1) toward one end of the sewage collection well (3), and the second sewage pipe (5) gradually slopes downward from the downhole (2) toward one end of the sewage collection well (3).

5. A sewage discharge device for a city water supply network according to claim 1, characterized in that: The side of the sewage collecting well (3) away from the first sewage pipe (4) is connected to an overflow pipe (7), the other end of the overflow pipe (7) is connected to the municipal drainage main pipe (1), and the overflow pipe (7) gradually inclines upward from the sewage collecting well (3) toward one end of the municipal drainage main pipe (1), and the end of the overflow pipe (7) facing the sewage collecting well (3) is provided with a third sewage filter plate (21).

6. A sewage discharge device for a city water supply network according to claim 3, characterized in that: The top of the downspout (2) is flush with the top of the sewage collecting well (3); the bottom of the sewage collecting well (3) is arranged lower than the municipal drainage main pipe (1); a first well cover (6) in a grid shape is arranged at the top of the downspout (2); a second well cover (8) is arranged at the top of the sewage collecting well (3); the second well cover (8) is used to cover the top of the sewage collecting well (3).

7. A sewage discharge device for a city water supply network according to claim 6, characterized in that: A hanging basket (14) is arranged in the sewage collecting well (3), and the hanging basket (14) is located below the first sewage pipe (4). A hanging rope (15) for hanging the hanging basket (14) is tied to the second well cover (8).

8. A sewage discharge device for a city water supply network according to claim 6, characterized in that: The first sewage filter plate (9) is rotatably installed in the municipal drainage main pipeline (1), an operating rod (11) is vertically penetrated in the downspout (2), a clamping structure (13) is provided between the bottom end of the operating rod (11) and the first sewage filter plate (9), and the top end of the operating rod (11) passes through the first manhole cover (6) and is provided with an operating handle (12).

9. A sewage discharge device for a city water supply network according to claim 8, characterized in that: The clamping structure (13) comprises a connecting block (16) fixed on the top of the first filter plate (9) and an inserting plate (17) fixed on the bottom of the operating rod (11); a slot (18) capable of receiving the inserting plate (17) is provided at the top of the connecting block (16); a through slot (19) capable of receiving the inserting plate (17) is provided on the second filter plate (10); a shielding plate (20) for blocking the through slot (19) is provided at the bottom of the second filter plate (10); one side of the shielding plate (20) is hinged to the second filter plate (10); and a torsion spring is provided at the hinge axis between the shielding plate (20) and the second filter plate (10).

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