CN114232908B

CN114232908B - Environment-friendly energy-saving building water supply and drainage system

Info

Publication number: CN114232908B
Application number: CN202111494051.0A
Authority: CN
Inventors: 胡慧星; 何芬; 陈云
Original assignee: Hubei Hongsheng Huarui Construction Engineering Co ltd
Current assignee: Hubei Hongsheng Huarui Construction Engineering Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2023-06-20
Anticipated expiration: 2041-12-08
Also published as: CN114232908A

Abstract

The application discloses environmental protection and energy saving building water supply and drainage system relates to the building drainage field, and it includes a plurality of water supply and drainage modules, and water supply and drainage module includes the mounting base, sets up water supply pipe spare, rainwater pipe spare and the drainage pipe spare on the mounting base, and the drainage pipe spare is including setting up the rose box on the mounting base, connecting in the first drain pipe at rose box top, connecting in the second drain pipe at rose box bottom and connecting in the interim transition pipe between first drain pipe and the second drain pipe; the filter box is used for filtering the sewage and wastewater; and a diversion control assembly is arranged among the filter box, the first drain pipe and the temporary transition pipe, and when the filter box is blocked, the diversion control assembly controls the sewage and wastewater of the first drain pipe to enter the second drain pipe through the temporary transition pipe. This application has the effect that reduces debris and piles up the risk of the drainage pipe fitting in low floor, and can let dirty waste water smoothly discharge building when the rose box takes place to block up.

Description

Environment-friendly energy-saving building water supply and drainage system

Technical Field

The application relates to the field of building drainage, in particular to an environment-friendly energy-saving building water supply and drainage system.

Background

The building water supply and drainage system comprises a building water supply system and a building water drainage system, wherein the building water supply system is a cold water supply system which introduces water of a town water supply pipe network or a self-provided water source water supply pipe network into a room, sends the water to life, production and fire-fighting water equipment through a water distribution pipe and meets the requirements of each water point on water quantity, water pressure and water quality; the building drainage system is a sewage guiding system for guiding domestic sewage and produced sewage in a building to an urban drainage pipe network.

The related art is applied for the chinese patent of CN201510149003.6, proposes a water supply and drainage integrated module and water supply and drainage system of building, and the water supply and drainage integrated module includes module body and preset pipeline, preset pipeline predetermine and be fixed in the module body, be provided with at least one leak protection deodorant device on the preset pipeline. The water supply and drainage system of the building comprises a water supply and drainage vertical pipe, a water supply vertical pipe and the water supply and drainage integrated module.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: in the drainage process of the high-rise building, the number of households is large, and more sundries are usually mixed in the sewage and the wastewater, so that the sundries are easy to agglomerate and block at the bottom of the drainage pipe, and if the drainage pipe of the low floor is blocked, the drainage of the high floor is blocked.

Disclosure of Invention

In order to solve the problem that drainage of a high floor is blocked when a drainage pipe of a low floor is blocked, the application provides an environment-friendly energy-saving building water supply and drainage system.

The application provides an environmental protection and energy saving formula building water supply and drainage system adopts following technical scheme:

the utility model provides a drainage system is given to environmental protection and energy saving formula building, includes a plurality of water supply and drainage module, water supply and drainage module include the mounting base, set up in water supply pipe fitting, rainwater pipe fitting and drainage pipe fitting on the mounting base, its characterized in that: the drainage pipe fitting comprises a filter box arranged on the mounting base, a first drainage pipe connected to the top of the filter box, a second drainage pipe connected to the bottom of the filter box and a temporary transition pipe connected between the first drainage pipe and the second drainage pipe; the filter box is used for filtering the sewage and wastewater; the filter box with be provided with the reposition of redundant personnel control subassembly between first drain pipe with temporary transition pipe, work as when the filter box takes place to block up, reposition of redundant personnel control subassembly control the dirty waste water of first drain pipe passes through temporary transition pipe gets into in the second drain pipe.

Through adopting above-mentioned technical scheme, at high-rise building drainage in-process, the rose box of a plurality of water supply and drainage module can be preferentially to the dirty waste water of corresponding floor resident to reduce the debris of downwardly directed delivery, thereby can reduce the risk that debris piled up in the drain pipe spare of low floor, and make debris basically be collected in each rose box, be convenient for follow-up clearance and maintenance. If a certain rose box takes place to block up, the dirty waste water of reposition of redundant personnel control subassembly control first drain pipe gets into the second drain pipe through interim transition pipe for the dirty waste water of the high floor above the rose box can bypass the rose box, thereby continue smoothly to discharge the building.

Optionally, the shunt control assembly comprises a first electric valve arranged on the first drain pipe, a second electric valve arranged on the temporary transition pipe, an inlet flowmeter arranged at a water inlet of the filter box, an outlet flowmeter arranged at a water outlet of the filter box, a data processing MCU connected with the first electric valve and the second electric valve, a control MCU connected with the data processing MCU and an alarm connected with the control MCU, wherein the control MCU is connected with the first electric valve and the second electric valve; the inlet flowmeter is used for detecting the inlet flow of the filter box, generating inlet flow data and transmitting the inlet flow data to the data processing MCU; the outlet flowmeter is used for detecting the inlet flow of the filter box, generating outlet flow data and transmitting the outlet flow data to the data processing MCU; the data processing MCU is used for calculating the difference value between the inlet flow and the outlet flow according to the inlet flow data and the outlet flow data, generating difference value data and transmitting the difference value data to the control MCU; and the control MCU is used for judging whether the difference value is higher than a threshold value according to the difference value data, if so, controlling the first electric valve to be closed and controlling the second electric valve to be opened, and controlling the alarm to give an alarm.

Through adopting above-mentioned technical scheme, if the rose box takes place to block up, the close of first motorised valve can restrict dirty waste water and continue to get into the rose box in, and the opening of second motorised valve can make dirty waste water get into interim filter tube to keep the dirty waste water of high floor normally to discharge, the alarm can remind the property personnel to clear up or maintain the rose box simultaneously, and need not the property personnel and look for the jam department.

Optionally, the rainwater pipe fitting includes a rainwater collecting tank disposed on the mounting base; the filter box is provided with a spray head for scattering sundries, and a flushing pipe is connected to the spray head; the end part of the flushing pipe, which is far away from the filter box, is connected with the rainwater collecting box above the filter box, and an electric stop valve is connected to the flushing pipe.

Through adopting above-mentioned technical scheme, when the rose box takes place to block up, open electronic stop valve, the rainwater flow in the wash pipe guide rainwater collecting box to the shower nozzle is strikeed debris in the rose box, thereby breaks up into little volume debris with partial bulky debris, can accomplish the self-dredging of rose box, need not the property personnel and clear up the rose box, and can make full use of rainwater. The flushing pipe with the arrangement mode can provide larger kinetic energy for rainwater, so that sundries can be better dispersed.

Optionally, the control MCU is connected with the electric stop valve; when the difference value data is larger than a threshold value, the control MCU also controls the electric stop valve to be opened.

Through adopting above-mentioned technical scheme, when the rose box takes place to block up, control MCU control electric stop valve opens to carry out from the mediation to the rose box in time, need not the property personnel and clear up the rose box frequently.

Optionally, the flushing pipe is provided with a flushing branch pipe, and the flushing branch pipe is connected with the corner of the temporary transition pipe.

Through adopting above-mentioned technical scheme, when the rose box takes place to block up, wash the lateral pipe and can guide the rainwater to flow to temporary transition pipe's corner to can increase temporary transition pipe corner's water velocity of flow and water pressure, thereby reduce temporary transition pipe corner and take place the risk of blocking up.

Optionally, the filter box comprises a box body and a screen cylinder movably arranged in the box body; the side wall of the box body is provided with a through hole for the screen cylinder to enter and exit, and a buckle plate is detachably connected to the through hole.

Through adopting above-mentioned technical scheme, when the screen cylinder is blocked by debris and is difficult to break up, demolish the buckle by the box earlier, drive the screen cylinder again and slide in the box, until the screen cylinder is by the through-hole protrusion in the box, the property personnel can clear up debris in the screen cylinder.

Optionally, the water inlet of the box body is connected with a guide pipe, and the bottom wall of the screen cylinder is rotationally connected with an impeller; the guide tube is located in the box body, and the outlet faces the blades of the impeller.

Through adopting above-mentioned technical scheme, after dirty waste water gets into the box, earlier by the blade flow of guide tube guide dirty waste water orientation impeller to make dirty waste water collide with the blade of impeller, and then drive the impeller and rotate, debris in the screen drum both can be stirred to the impeller, make dirty waste water can pass the screen drum smoothly, also can play and break up debris and from the effect of dredging, further reduce the frequency that the property personnel cleared up the rose box.

Optionally, the bottom wall of the screen cylinder is connected with a movable block; the inner bottom wall of the box body is provided with a movable groove which is matched with the movable block in a sliding way, and an elastic piece for driving the screen cylinder to reset is arranged in the movable groove; when the elastic piece is in a free state, the screen cylinder protrudes out of the box body.

By adopting the technical scheme, the movable block stably slides in the movable groove, and the screen cylinder can stably slide in the box body; when the box body is separated from the buckle plate, the elastic piece starts to rebound and drives the screen cylinder to gradually protrude out of the box body, and a property worker does not need to withdraw the screen cylinder, so that the cleaning step of the filter box can be further simplified.

Optionally, the mounting base is provided with a collecting hole, a recovery pipe is connected between the collecting hole and the second drain pipe, and a recovery valve is arranged on the recovery pipe; when the screen cylinder protrudes out of the box body, the screen cylinder is positioned above the collecting hole.

Through adopting above-mentioned technical scheme, when clearing up debris in the screen drum, the screen drum protrusion is in the box and be located the top of collecting hole, and the dirt waste water that remains in the screen drum can directly fall in the collecting hole to in returning the second drain pipe through the recovery pipe, thereby can reduce the dirt waste water of direct outer row, close the recovery valve after accomplishing the clearance.

In summary, the present application includes at least one of the following beneficial technical effects:

1. monitoring inlet and outlet flow of the filter box through an inlet flowmeter and an outlet flowmeter, calculating two flow difference values through a data processing MCU, and controlling the opening or closing of the first electric valve and the second electric valve through a control MCU; if a certain filter box is blocked, the sewage and wastewater of the first drain pipe enters the second drain pipe through the temporary transition pipe, so that the sewage and wastewater of the high floor above the filter box can bypass the filter box, and the building can be continuously and smoothly discharged;

2. if a certain filter box is blocked, the MCU is controlled to drive the electric stop valve to open, the flushing pipe guides rainwater in the rainwater collecting box to flow to the spray head, and the spray head impacts sundries in the filter box, so that part of large-volume sundries are scattered into small-volume sundries, the self dredging of the filter box can be finished, the filter box is not required to be cleaned by property personnel, and the rainwater can be fully utilized;

3. after the sewage and wastewater enters the box body, the guide pipe guides the sewage and wastewater to flow towards the blades of the impeller, the sewage and wastewater collides with the blades of the impeller, the impeller is driven to rotate, the impeller can stir sundries in the screen cylinder, the sewage and wastewater can smoothly pass through the screen cylinder, the effect of scattering sundries and self dredging can be achieved, and the frequency of cleaning the filter box by property personnel is further reduced.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of two adjacent water supply and drainage modules according to the embodiment of the present application.

Fig. 3 is a schematic structural view of a single water supply and drainage module according to an embodiment of the present application.

Fig. 4 is a schematic diagram of an exploded structure of the filter box according to the embodiment of the present application.

Fig. 5 is a schematic view of a partial cross-sectional structure of a filter box according to an embodiment of the present application.

Reference numerals: 1. a mounting base; 11. a collection hole; 12. a recovery pipe; 121. a recovery valve; 2. a water supply pipe; 21. a water supply pipe unit; 3. a rainwater pipe fitting; 31. a rainwater collection tank; 32. a first downspout; 33. a second downspout; 4. a drain pipe; 41. a filter box; 411. a case; 4111. a through hole; 4112. a buckle plate; 4113. a movable groove; 4114. a spring; 4115. a guide tube; 4116. a spray head; 4117. a flushing pipe; 41171. an electric shut-off valve; 41172. flushing the branch pipe; 412. a screen drum; 4121. a movable block; 4122. an impeller; 42. a first drain pipe; 43. a second drain pipe; 44. a temporary transition pipe; 5. a shunt control assembly; 51. a first electrically operated valve; 52. a second electrically operated valve; 53. an inlet flow meter; 54. an outlet flow meter; 55. a data processing MCU; 56. and controlling the MCU.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses an environment-friendly energy-saving building water supply and drainage system. Referring to fig. 1 and 2, the environment-friendly and energy-saving building water supply and drainage system includes a plurality of water supply and drainage modules which are arranged at intervals in a vertical direction, and adjacent water supply and drainage modules are spliced with each other.

Referring to fig. 2 and 3, the water supply and drainage module includes a mounting base 1, a water supply pipe 2, a rainwater pipe 3, and a drainage pipe 4 provided on the mounting base 1. The installation bases 1 are connected to the building through concrete pouring, one or more layers of installation bases 1 of two adjacent water supply and drainage modules can be separated, and the installation bases 1 are preferably arranged near windows of the building. The water supply pipe fitting 2 comprises water supply pipe units 21, the water supply pipe units 21 are poured in the installation base 1, and two ends of each water supply pipe unit 21 are respectively connected with two adjacent water supply pipe units 21 through flanges. The rainwater pipe fitting 3 includes a rainwater collecting tank 31 provided on the installation base 1 by way of pouring, a first rainwater pipe 32 connected to the top of the rainwater collecting tank 31 by way of a flange, and a second rainwater pipe 33 connected to the bottom of the rainwater collecting tank 31 by way of a flange.

Referring to fig. 2 and 3, the drain pipe 4 includes a filter box 41 provided on the installation base 1, a first drain pipe 42 flange-coupled to the top of the filter box 41, a second drain pipe 43 flange-coupled to the bottom of the filter box 41, and a temporary transition pipe 44 coupled between the first drain pipe 42 and the second drain pipe 43. The filter box 41 is used for filtering dirty waste water, is provided with reposition of redundant personnel control subassembly 5 between filter box 41, first drain pipe 42 and the interim transition pipe 44, and when filter box 41 took place to block up, the dirty waste water of first drain pipe 42 of reposition of redundant personnel control subassembly 5 control gets into in the second drain pipe 43 through interim transition pipe 44.

In the drainage process of the high-rise building, the filter boxes 41 of the water supply and drainage modules can be used for filtering the sewage and the wastewater of the households on the corresponding floors preferentially, and impurities conveyed downwards are reduced, so that the risk that the impurities are accumulated on the drainage pipe fitting 4 on the lower floor can be reduced, the impurities are basically collected in each filter box 41, and the subsequent cleaning and maintenance are convenient. If a certain filter box 41 is blocked, the diversion control assembly 5 controls the sewage and wastewater of the first drain pipe 42 to enter the second drain pipe 43 through the temporary transition pipe 44, so that the sewage and wastewater of the high floors above the filter box 41 can bypass the filter box 41, and the sewage and wastewater can be continuously and smoothly discharged out of the building.

Referring to fig. 4 and 5, the filter box 41 includes a box 411 and a screen drum 412 movably disposed in the box 411 along a horizontal direction, the box 411 is in a rectangular parallelepiped shape, a through hole 4111 for the screen drum 412 to enter and exit is formed in a side wall of the box 411, and a buckle 4112 is detachably connected to the through hole 4111 through a bolt. There is a gap between the bottom wall of the screen cylinder 412 and the inner bottom wall of the case 411, and the bottom wall of the screen cylinder 412 is connected with movable blocks 4121 by welding, and the movable blocks 4121 are provided in two in the embodiment of the present application. The inner bottom wall of the box 411 is provided with two movable grooves 4113 slidably adapted to the movable blocks 4121 along the horizontal direction, and the two movable grooves 4113 are respectively located at two sides of the water outlet of the box 411, so that the screen drum 412 is stably slidably moved along the horizontal direction.

When the filter box 41 is blocked, the flushing branch pipe 41172 can guide rainwater to flow to the corner of the temporary transition pipe 44, and can increase the water flow rate and the water pressure at the corner of the temporary transition pipe 44, thereby reducing the risk of blocking at the corner of the temporary transition pipe 44.

Referring to fig. 4 and 5, in order to facilitate the removal of the screen drum 412 from the box 411, the box 411 is provided with elastic members in two movable slots 4113 for driving the screen drum 412 to return, the elastic members are springs 4114, one end of each spring 4114 is connected to the inner wall of the movable slot 4113, and the other end is connected to the movable block 4121. When the elastic member is in a free state, the screen cylinder 412 protrudes from the case 411. When the box 411 is separated from the buckle 4112, the spring 4114 starts to rebound and drives the screen drum 412 to gradually protrude out of the box 411, so that the cleaning step of the filter box 41 can be further simplified without the need for a property person to withdraw the screen drum 412.

Referring to fig. 4 and 5, in order to break up the foreign matters in the filter box 41, an impeller 4122 is rotatably connected to a bottom wall of the screen cylinder 412, and a rotation axis of the impeller 4122 is arranged in a vertical direction. The casing 411 is connected with a guide pipe 4115 at its water inlet by welding, the guide pipe 4115 is located inside the casing 411 and is arranged obliquely, and the outlet of the casing 411 faces the blades of the impeller 4122.

After the sewage and wastewater enters the box 411, the guiding pipe 4115 guides the sewage and wastewater to flow towards the blades of the impeller 4122, and the sewage and wastewater collides with the blades of the impeller 4122, so as to drive the impeller 4122 to rotate, and the impeller 4122 can stir sundries in the screen drum 412, so that the sewage and wastewater can smoothly pass through the screen drum 412, and the effects of scattering the sundries and self dredging can be achieved, so that the frequency of cleaning the filter box 41 by property personnel is further reduced.

Referring to fig. 4 and 5, in order to achieve self-dredging of the filter housing 41, the housing 411 is provided with a spray head 4116 for dispersing impurities, the spray head 4116 being located below the screen drum 412 with the outlet facing the bottom of the screen drum 412. The tank 411 is connected to a flushing pipe 4117 at a nozzle 4116 via a flange or screw, and the flushing pipe 4117 is connected to an electric shutoff valve 4171 via a flange or screw. The end of the flush pipe 4117 away from the filter box 41 is connected to the rainwater collection tank 31 located above the filter box 41, and the flush pipe 4117 may be disposed between two adjacent water supply and drainage modules, and may be disposed between two non-adjacent water supply and drainage modules, the first of which is selected in the embodiment of the present application. The flushing pipe 4117 is provided with a flushing branch pipe 41172, and the flushing branch pipe 41172 is connected to a corner of the temporary transition pipe 44.

When the filter box 41 is blocked, the electric stop valve 4171 is opened, the flushing pipe 4117 guides rainwater in the rainwater collecting box 31 to flow to the spray head 4116, and the spray head 4116 impacts sundries in the filter box 41, so that part of large-volume sundries are scattered into small-volume sundries, the self dredging of the filter box 41 can be completed, a property worker is not required to clean the filter box 41, and the rainwater can be fully utilized. The flushing pipe 4117 of the above arrangement can provide larger kinetic energy for rainwater, so that impurities can be better dispersed.

Referring to fig. 3 and 5, in order to reduce the discharge of the sewage and the wastewater during the cleaning process of the filter tank 41, the installation base is provided with a collection hole 11, and when the screen cylinder 412 protrudes from the tank 411, the screen cylinder 412 is located above the collection hole 11. A recovery pipe 12 is connected between the collection hole 11 and the second drain pipe 43 by a flange or welding, and a recovery valve 121 is provided on the recovery pipe 12.

When the sundries in the screen cylinder 412 are cleaned, the screen cylinder 412 protrudes out of the box 411 and is positioned above the collecting hole 11, and the residual sewage and wastewater in the screen cylinder 412 can directly fall into the collecting hole 11 and return to the second drain pipe 43 through the recovery pipe 12, so that the directly discharged sewage and wastewater can be reduced, and the recovery valve 121 is closed after cleaning is completed.

Referring to fig. 3 and 5, the shunt control module 5 includes a first electric valve 51 provided on the first drain pipe 42 by a flange or screw, a second electric valve 52 provided on the temporary transition pipe 44 by a flange or screw, an inlet flow meter 53 provided on a water inlet of the filter tank 41 by a flange, an outlet flow meter 54 provided on a water outlet of the filter tank 41 by a flange, a data processing MCU55 connected to both the first electric valve 51 and the second electric valve 52, a control MCU56 connected to the data processing MCU55, and an alarm connected to the control MCU56.

Referring to fig. 3 and 5, a first electrically operated valve 51 is disposed below the junction of the first drain pipe 42 and the temporary transition pipe 44, and a second electrically operated valve 52 is disposed at the end of the temporary transition pipe 44 near the first drain pipe 42. The test ranges of the inlet flow meter 53 and the outlet flow meter 54 are 0-55L/s, and the test precision is +/-0.2%. The data processing MCU55 and the control MCU56 are fixed on the outer top wall of the filter box 41 through screws, and the control MCU56 is connected with the first electric valve 51, the second electric valve 52 and the electric stop valve 4171. The alarm can be arranged in the office of the person on duty and also can be arranged in the central control room.

The inlet flow meter 53 is configured to detect an inlet flow rate of the filter box 41 and generate inlet flow rate data, and transmit the inlet flow rate data to the data processing MCU55. An outlet flow meter 54 for detecting an inlet flow rate of the filter tank 41 and generating outlet flow rate data, and transmitting the outlet flow rate data to the data processing MCU55.

The data processing MCU55 is configured to calculate a difference between the inlet flow rate and the outlet flow rate from the inlet flow rate data and the outlet flow rate data, generate difference data, and transmit the difference data to the control MCU56. The control MCU56 is configured to determine whether the difference is higher than a threshold according to the difference data, and if so, control the first electric valve 51 to close and control the second electric valve 52 and the electric shutoff valve 4171 to open, and control the alarm to give an alarm. The threshold may be set at 15L/s, 18L/s, or 20L/s, with the second being selected in the embodiments of the present application.

If the filter box 41 is blocked, the difference between the inlet flow and the outlet flow is greater than 18L/s, and the control MCU56 automatically controls the first electric valve 51 to be closed and controls the second electric valve 52 and the electric stop valve 41171 to be opened, and simultaneously controls the alarm to give an alarm. Wherein, the closing of the first electric valve 51 can limit the sewage and wastewater to continue to enter the filter tank 41, the opening of the second electric valve 52 can enable the sewage and wastewater to enter the temporary filter pipe, thereby keeping the sewage and wastewater on the high floor to be normally discharged, the opening of the electric stop valve 41171 can timely self-dredge the filter tank 41, the filter tank 41 is not required to be cleaned frequently by the property personnel, and meanwhile, the alarm can remind the property personnel of cleaning or maintaining the filter tank 41, and the property personnel is not required to find a blocking position.

The implementation principle of the environment-friendly energy-saving building water supply and drainage system provided by the embodiment of the application is as follows: in the drainage process of the high-rise building, the filter boxes 41 of the water supply and drainage modules can be used for filtering the sewage and the wastewater of households on corresponding floors preferentially, and reducing impurities conveyed downwards, so that the risk that the impurities are accumulated on the drainage pipe fitting 4 on a lower floor can be reduced, the impurities are basically collected in each filter box 41, and the subsequent cleaning and maintenance are convenient;

if a certain filter box 41 is blocked, the inlet flow meter 53 and the outlet flow meter 54 can be timely monitored, and the first electric valve 51 is automatically controlled to be closed and the second electric valve 52 and the electric stop valve 4171 are controlled to be opened by the data processing MCU55 and the control MCU56, so that the sewage and the wastewater of the first drain pipe 42 can enter the second drain pipe 43 through the temporary transition pipe 44, and the filter box 41 is self-dredged, so that the sewage and the wastewater on the high floors above the filter box 41 can bypass the filter box 41, and the building can be continuously and smoothly discharged.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a drainage system is given to environmental protection and energy saving formula building, includes a plurality of water supply and drainage module, water supply and drainage module include mounting base (1), set up in water supply pipe fitting (2), rainwater pipe fitting (3) and drainage pipe fitting (4) on mounting base (1), its characterized in that: the drainage pipe fitting (4) comprises a filter box (41) arranged on the mounting base (1), a first drainage pipe (42) connected to the top of the filter box (41), a second drainage pipe (43) connected to the bottom of the filter box (41) and a temporary transition pipe (44) connected between the first drainage pipe (42) and the second drainage pipe (43);

the filter box (41) is used for filtering the sewage and the wastewater;

a diversion control assembly (5) is arranged among the filter box (41), the first drain pipe (42) and the temporary transition pipe (44), and when the filter box (41) is blocked, the diversion control assembly (5) controls sewage and wastewater of the first drain pipe (42) to enter the second drain pipe (43) through the temporary transition pipe (44);

the diversion control assembly (5) comprises a first electric valve (51) arranged on the first drain pipe (42), a second electric valve (52) arranged on the temporary transition pipe (44), an inlet flowmeter (53) arranged at the water inlet of the filter box (41), an outlet flowmeter (54) arranged at the water outlet of the filter box (41), a data processing MCU (55) connected with the first electric valve (51) and the second electric valve (52), a control MCU (56) connected with the data processing MCU (55) and an alarm connected with the control MCU (56), wherein the control MCU (56) is connected with the first electric valve (51) and the second electric valve (52);

the inlet flowmeter (53) is used for detecting the inlet flow of the filter box (41) and generating inlet flow data, and transmitting the inlet flow data to the data processing MCU (55);

the outlet flowmeter (54) is used for detecting the inlet flow of the filter box (41) and generating outlet flow data, and transmitting the outlet flow data to the data processing MCU (55);

the data processing MCU (55) is used for calculating the difference value between the inlet flow and the outlet flow according to the inlet flow data and the outlet flow data, generating difference value data and transmitting the difference value data to the control MCU (56);

the control MCU (56) is used for judging whether the difference value is higher than a threshold value according to the difference value data, if so, the control MCU is used for controlling the first electric valve (51) to be closed and controlling the second electric valve (52) to be opened and controlling the alarm to give an alarm;

the rainwater pipe fitting (3) comprises a rainwater collecting box (31) arranged on the mounting base (1);

the filter box (41) is provided with a spray head (4116) for scattering sundries, and a flushing pipe (4117) is connected to the spray head (4116);

the end part of the flushing pipe (4117) far away from the filter box (41) is connected with the rainwater collecting box (31) above the filter box (41), and an electric stop valve (4171) is connected to the flushing pipe (4117);

the filter box (41) comprises a box body (411) and a screen drum (412) movably arranged in the box body (411);

a through hole (4111) for the screen drum (412) to enter and exit is formed in the side wall of the box body (411), and a buckle plate (4112) is detachably connected to the through hole (4111);

the water inlet of the box body (411) is connected with a guide pipe (4115), and the bottom wall of the screen cylinder (412) is rotatably connected with an impeller (4122);

the guide pipe (4115) is positioned in the box body (411), and the outlet is towards the blade of the impeller (4122);

the bottom wall of the screen cylinder (412) is connected with a movable block (4121);

a movable groove (4113) which is matched with the movable block (4121) in a sliding way is formed in the inner bottom wall of the box body (411), and an elastic piece for driving the screen drum (412) to reset is arranged in the movable groove (4113);

when the elastic piece is in a free state, the screen drum (412) protrudes out of the box body (411).

2. The environmental protection and energy conservation building water supply and drainage system of claim 1, wherein: the control MCU (56) is connected with the electric stop valve (4171);

when the difference data is larger than the threshold value, the control MCU (56) also controls the electric stop valve (4171) to be opened.

3. The environmental protection and energy conservation building water supply and drainage system of claim 1, wherein: the flushing pipe (4117) is provided with a flushing branch pipe (41172), and the flushing branch pipe (41172) is connected to a corner of the temporary transition pipe (44).

4. The environmental protection and energy conservation building water supply and drainage system of claim 1, wherein: the mounting base (1) is provided with a collecting hole (11), a recovery pipe (12) is connected between the collecting hole (11) and the second drain pipe (43), and a recovery valve (121) is arranged on the recovery pipe (12);

when the screen drum (412) protrudes from the box body (411), the screen drum (412) is positioned above the collecting hole (11).