Butt joint pipe fitting for rain and sewage diversion system

Abstract

The utility model relates to the technical field of rain and sewage diversion, in particular to a butt joint pipe fitting for a rain and sewage diversion system, which comprises a water inlet sleeve, a diversion sleeve and a pretreatment box, the water inlet sleeve is connected to the water inlet end of the diversion sleeve, the pretreatment box is connected to the water inlet end of the water inlet sleeve, and two groups of corresponding pore plates are arranged in the diversion sleeve. Through an assembly composed of a water inlet sleeve, a diversion sleeve and a pretreatment box, a set of rainwater and sewage diversion butt joint pipe fitting is provided for municipal drainage, and the rainwater and sewage diversion butt joint pipe fitting is provided for a pipe fitting between a municipal rainwater and sewage pipe and a sewage station, so that the rainwater and sewage are pumped to the sewage station by the municipal rainwater pipe; rainwater and sewage in the rainwater sewage can be filtered and separated, so that the water treatment pressure on a sewage station is reduced, the filtered rainwater can be recycled, a large amount of rainwater sewage cannot flow into a municipal rainwater well to cause standard exceeding, a large amount of rainwater entering a sewage system can be reduced, and the disorder condition of the sewage station is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of rainwater and sewage diversion, in particular to a butt joint pipe fitting for a rainwater and sewage diversion system. Background Art

[0002] Currently, most cities use a combined sewer system. A large amount of rainwater enters the sewage treatment system, which can easily cause the sewage station to be unable to withstand the impact load, resulting in the sewage system being unable to operate stably and normally.

[0003] The existing rainwater and sewage do not have diversion pipe fittings that can connect the sewage pipe and the rainwater pipe, resulting in a large amount of rainwater mixed with sewage can only be discharged to the sewage station, causing the sewage station to bear a large load and affecting the operation stability of the sewage station. Therefore, a rainwater and sewage diversion system using a docking pipe fitting is proposed to provide a set of rainwater and sewage diversion docking pipe fittings for municipal drainage, and provide rainwater and sewage diversion docking pipe fittings for the pipe fittings between the municipal rainwater and sewage pipes and the sewage pipes of the sewage station. When the municipal rainwater pipe pumps rainwater and sewage to the sewage station, the rainwater and sewage in the rainwater and sewage can be filtered and separated, thereby reducing the water treatment pressure on the sewage station, and the filtered rainwater can be recycled, so that a large amount of rainwater and sewage will not flow into the municipal rainwater well and cause exceeding the standard, and a large amount of rainwater can be reduced from entering the sewage system, avoiding the occurrence of disorder in the sewage station. Utility Model Content

[0004] In view of the problems in the prior art, the utility model provides a kind of connecting pipe fittings for rainwater and sewage diversion system, which provides a set of connecting pipe fittings for rainwater and sewage diversion for municipal drainage, and provides connecting pipe fittings for rainwater and sewage diversion for the pipe fittings between the municipal rainwater and sewage pipes and the sewage pipes of the sewage station, so that during the period when the municipal rainwater pipe pumps the rainwater and sewage to the sewage station, the rainwater and sewage in the rainwater and sewage can be filtered and separated, thereby reducing the water treatment pressure of the sewage station, and the filtered rainwater can be recycled, so that a large amount of rainwater and sewage will not flow into the municipal rainwater well and cause exceeding the standard, and a large amount of rainwater entering the sewage system can be reduced, thereby avoiding the occurrence of disorder in the sewage station.

[0005] The technical solution adopted by the utility model to solve its technical problems is a butt joint fitting for a rainwater and sewage diversion system, comprising a water inlet sleeve, a diversion sleeve and a pretreatment box, the water inlet sleeve is connected to the water inlet end of the diversion sleeve, the pretreatment box is connected to the water inlet end of the water inlet sleeve, two groups of corresponding orifice plates are arranged in the diversion sleeve, the two groups of orifice plates are respectively fixed to the water inlet end and the water outlet end in the diversion sleeve, a tubular ultrafiltration membrane is inserted between the orifices of the two groups of orifice plates, and a rainwater flange joint is connected to one side of the diversion sleeve.

[0006] By adopting the above technical scheme, through the components consisting of the water inlet sleeve, the diversion sleeve and the pretreatment box, it is possible to provide a set of rainwater and sewage diversion docking fittings for municipal drainage, and provide rainwater and sewage diversion docking fittings for the pipes between the municipal rainwater and sewage pipes and the sewage pipes of the sewage station. When the municipal rainwater pipe pumps the rainwater and sewage to the sewage station, the rainwater and sewage in the rainwater and sewage can be filtered and separated, thereby reducing the water treatment pressure of the sewage station, and the filtered rainwater can be recycled, so that a large amount of rainwater and sewage will not flow into the municipal rainwater well to exceed the standard, and a large amount of rainwater can be reduced from entering the sewage system, avoiding the occurrence of disorder in the sewage station.

[0007] Specifically, a steel ring is provided on the water outlet end of the diverter sleeve and the water outlet end of the water inlet sleeve, a rubber sleeve is provided on one side of the steel ring, one end of the rubber sleeve is embedded between the corresponding steel ring and the water inlet sleeve and the diverter sleeve, and the steel ring is fully connected with the corresponding diverter sleeve and the water inlet sleeve.

[0008] By adopting the above technical solution, the rubber sleeve can allow the connecting pipe fitting of the present application to have a certain elastic margin for adjustment during the connection with the external pipe, thereby avoiding the problem that the pipes to be connected cannot be connected due to slight offset.

[0009] Specifically, the rubber sleeve ends of the diversion sleeve and the water inlet sleeve are respectively connected with a sewage flange joint and a water inlet flange joint.

[0010] By adopting the above technical solution, the sewage inlet pipe of the sewage station is connected through the sewage flange joint.

[0011] Specifically, a lower leakage port is opened on the top of the pretreatment box, a metal ring is connected to one side of the lower leakage port, the metal ring is inserted into the water inlet sleeve, and the outer periphery of the metal ring is welded to the inner wall of the water inlet sleeve, and a metal filter is connected inside the metal ring.

[0012] By adopting the above technical solution, rainwater and sewage passing through the water inlet jacket are preliminarily filtered through the metal filter.

[0013] Specifically, a rectangular flange cover is installed on the bottom of the pre-processing box by bolts.

[0014] By adopting the above technical solution, the rectangular flange cover is convenient for municipal staff to open, clean and maintain it later.

[0015] The beneficial effects of the utility model are as follows: through the components consisting of the water inlet sleeve, the diversion sleeve and the pretreatment box, a set of connecting pipe fittings for diverting rainwater and sewage is provided for municipal drainage, and connecting pipe fittings for diverting rainwater and sewage are provided for the pipe fittings between the municipal rainwater and sewage pipes and the sewage pipes of the sewage station, so that during the period when the municipal rainwater pipe pumps the rainwater and sewage to the sewage station, the rainwater and sewage in the rainwater and sewage can be filtered and separated, thereby reducing the water treatment pressure of the sewage station, and the filtered rainwater can be recycled, so that a large amount of rainwater and sewage will not flow into the municipal rainwater well to cause excessive standards, and a large amount of rainwater entering the sewage system can be reduced, avoiding the occurrence of disorder in the sewage station, and solving the problem that the existing rainwater and sewage have no diversion pipe fittings that can connect the sewage pipe and the rainwater pipe, resulting in a large amount of rainwater mixed with pollutants can only be discharged to the sewage station, causing the sewage station to bear a large load and affecting the stability of the operation of the sewage station. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1 It is an overall schematic diagram of the utility model;

[0018] Figure 2 For the utility model Figure 1 The enlarged schematic diagram at A in the middle;

[0019] Figure 3 It is a schematic diagram of the pre-processing box of the utility model;

[0020] In the figure: water inlet sleeve 1, diversion sleeve 2, orifice plate 21, tubular ultrafiltration membrane 22, water inlet flange joint 3, pretreatment box 4, lower leak 41, metal ring 42, metal filter 43, rectangular flange cover 44, steel ring 5, rubber sleeve 6, sewage flange joint 7, rainwater flange joint 8. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] In order to separate rainwater and sewage, Figure 1-3 As shown, the utility model describes a docking pipe fitting for a rainwater and sewage diversion system, comprising an inlet sleeve 1, a diversion sleeve 2 and a pretreatment box 4, wherein the water inlet sleeve 1 is connected to the water inlet end of the diversion sleeve 2, and the pretreatment box 4 is connected to the water inlet end of the water inlet sleeve 1, and two groups of corresponding orifice plates 21 are arranged in the diversion sleeve 2, and the two groups of orifice plates 21 are respectively fixed to the water inlet end and the water outlet end in the diversion sleeve 2, and a tubular ultrafiltration membrane 22 is inserted between the orifices of the two groups of orifice plates 21, and a rainwater flange joint 8 is connected to one side of the diversion sleeve 2.

[0023] When in use, through the components consisting of the water inlet sleeve 1, the diversion sleeve 2 and the pretreatment box 4, a set of rainwater and sewage diversion connecting pipe fittings are provided for municipal drainage, and rainwater and sewage diversion connecting pipe fittings are provided for the pipe fittings between the municipal rainwater and sewage pipes and the sewage pipes of the sewage station, so that when the municipal rainwater pipe pumps the rainwater and sewage to the sewage station, the rainwater and sewage in the rainwater and sewage can be filtered and separated, thereby reducing the water treatment pressure of the sewage station, and the filtered rainwater can be recycled, so that a large amount of rainwater and sewage will not flow into the municipal rainwater well to cause exceeding the standard, and a large amount of rainwater entering the sewage system can be reduced, avoiding the occurrence of disorder in the sewage station.

[0024] A steel ring 5 is provided on the water outlet end of the diverter sleeve 2 and the water outlet end of the water inlet sleeve 1, and a rubber sleeve 6 is provided on one side of the steel ring 5. One end of the rubber sleeve 6 is embedded between the corresponding steel ring 5 and the water inlet sleeve 1 and the diverter sleeve 2, and the steel ring 5 is fully connected with the corresponding diverter sleeve 2 and the water inlet sleeve 1.

[0025] The ends of the rubber sleeves 6 of the diversion sleeve 2 and the water inlet sleeve 1 are respectively connected with a sewage flange joint 7 and a water inlet flange joint 3 .

[0026] When in use, connect the water inlet flange joint 3 to the municipal rainwater and sewage pipe that needs to pump rainwater and sewage to the sewage station, connect the sewage flange joint 7 to the sewage pipe of the sewage station, and connect the rainwater flange joint 8 to the pipe of the municipal rainwater recovery well, so that the pipes of the three groups of water supply and drainage terminals are butt-connected.

[0027] In order to filter the rainwater and sewage initially and reduce the pressure of the filter membrane, for example, Figure 1 , 3 As shown, the utility model also includes that a lower leakage port 41 is opened on the top of the pretreatment box 4, a metal ring 42 is connected to one side of the lower leakage port 41, the metal ring 42 is inserted into the water inlet jacket 1, and the outer periphery of the metal ring 42 is welded to the inner wall of the water inlet jacket 1, and a metal filter screen 43 is connected inside the metal ring 42.

[0028] When in use, rainwater and sewage passing through the water inlet jacket 1 are preliminarily filtered through the metal filter screen 43 .

[0029] A rectangular flange cover 44 is installed at the bottom of the pre-processing box 4 by bolts.

[0030] When in use, the rectangular flange cover 44 is convenient for municipal staff to open the cover for cleaning and maintenance later.

[0031] When the utility model is in use, the water inlet flange joint 3 is connected to the municipal rainwater and sewage pipe required to pump rainwater and sewage to the sewage station, the sewage flange joint 7 is connected to the sewage pipe of the sewage station, and the rainwater flange joint 8 is connected to the pipe of the municipal rainwater recovery well, so that the pipes of the three groups of water supply and drainage terminals are butt-connected. When the municipal rainwater and sewage pipe pumps rainwater and sewage to the sewage pipe, the rainwater and sewage will enter the water inlet sleeve 1, and after being filtered by the metal filter mesh 43 on the pretreatment box 4, they will be discharged into the diversion sleeve 2. After being filtered by the tubular ultrafiltration membrane 22 in the diversion sleeve 2, the sewage containing large molecular stains and sludge will be pressurized and discharged into the sewage pipe through the sewage flange joint 7, and the small molecular rainwater will be discharged to the pipe of the municipal rainwater recovery well through the rainwater flange joint 8, so that the rainwater and sewage can be filtered and diverted.

[0032] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A butt joint fitting for a rainwater and sewage diversion system, characterized in that: The invention comprises a water inlet sleeve (1), a flow diversion sleeve (2) and a pretreatment box (4), wherein the water inlet sleeve (1) is connected to the water inlet end of the flow diversion sleeve (2), the pretreatment box (4) is connected to the water inlet end of the water inlet sleeve (1), two groups of corresponding orifice plates (21) are arranged in the flow diversion sleeve (2), the two groups of orifice plates (21) are respectively fixed to the water inlet end and the water outlet end in the flow diversion sleeve (2), a tubular ultrafiltration membrane (22) is inserted between the orifices of the two groups of orifice plates (21), and a rainwater flange joint (8) is connected to one side of the flow diversion sleeve (2).

2. A butt joint fitting for a rainwater and sewage diversion system according to claim 1, characterized in that: A steel ring (5) is provided on the water outlet end of the diverter sleeve (2) and the water outlet end of the water inlet sleeve (1), a rubber sleeve (6) is provided on one side of the steel ring (5), one end of the rubber sleeve (6) is embedded between the corresponding steel ring (5) and the water inlet sleeve (1) and the diverter sleeve (2), and the steel ring (5) and the corresponding diverter sleeve (2) and the water inlet sleeve (1) are fully connected.

3. A butt joint fitting for a rainwater and sewage diversion system according to claim 2, characterized in that: The ends of the rubber sleeves (6) of the diversion sleeve (2) and the water inlet sleeve (1) are respectively connected to a sewage flange joint (7) and a water inlet flange joint (3).

4. A butt joint fitting for a rainwater and sewage diversion system according to claim 3, characterized in that: The top of the pretreatment box (4) is provided with a lower leakage opening (41), one side of the lower leakage opening (41) is connected to a metal ring (42), the metal ring (42) is inserted into the water inlet jacket (1), and the outer periphery of the metal ring (42) is welded to the inner wall of the water inlet jacket (1), and the metal ring (42) is connected to a metal filter screen (43).

5. A butt joint fitting for a rainwater and sewage diversion system according to claim 4, characterized in that: A rectangular flange cover (44) is installed on the bottom of the pre-processing box (4) by means of bolts.

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