CN210621841U - Sewage and clean water dual-purpose toilet flushing system - Google Patents

Abstract

The utility model discloses a sewage and clear water dual-purpose toilet flushing system, which comprises floors, wherein an upper floor space is arranged above the floors, and a lower floor space is arranged below the floors; the device also comprises a vertical clean water main pipeline and an overflow main pipeline; a water faucet, a water receiving tank, a filter pipe and a reservoir are arranged in the upper floor space; a urinal is arranged in the lower floor space; the utility model has simple structure, the common toilet flushing system adopts clear water to flush the toilet in the whole process, and the design is a dual-purpose cleaning system for sewage and clear water, and the switch of the three-way valve can be opened to flush with clear water only under the condition of insufficient sewage reserve in the whole process; a large amount of spaces below the wash platform of dormitory can be idle usually, and this design reforms transform into a cistern with the below, has also practiced thrift the water resource when utilizing the space.

Description

Sewage and clean water dual-purpose toilet flushing system

Technical Field

The utility model belongs to water reuse field.

Background

Water resources are one of the essential energy sources in our daily life and are also environmental resources on which organisms live. With the increasing water resource crisis and the continuous deterioration of water environment quality, water resource shortage has become one of the resource and environment problems of great concern in the world. China is one of the 13 countries with the most water shortage in the world, a plurality of water areas are polluted in different degrees, the spatial and temporal distribution of water resources is unbalanced, and the shortage of water resources becomes an important factor for restricting the development of the socioeconomic in China. At present, more than 400 cities in more than 600 cities in China are water-deficient cities. The water shortage forces us to efficiently and repeatedly utilize water resources, and the realization of the reuse of sewage is an important measure for effectively solving the water crisis.

In the face of water resource shortages, water recycling is receiving increasing attention, and many countries invest a great deal of capital and technology in this regard. As early as 1918, the state of California of the United states issued the first standard for water reuse, and field irrigation of reuse water was achieved in 1920 in Arizona and California. In 1965, the Israel Ministry of health promulgated regulations that allowed the secondary treatment of effluent water to irrigate crops. At present, the reuse amount of Israel sewage accounts for more than 70% of the total amount of sewage. China uses sewage back and forth by adopting a sewage irrigation mode from the 50 th of the 20 th century, and in the 80 th of the 20 th century, some water-deficient big cities develop test point researches on sewage recycling and reuse in industry successively. The first reclaimed water reuse pilot project in China was established by Beijing ring academy of sciences in 1985. At present, relevant laws and documents are promulgated successively in cities such as Beijing, Shenzhen, Dalian and Tianjin to popularize and apply the reclaimed water recycling technology. In addition, a series of reclaimed water projects are built in cities such as Qingdao, Taiyuan, Zhengzhou and Shenyang.

Therefore, how to utilize the reuse water to the maximum extent is a direction worthy of exploration and has great research value;

in the design, the common toilet flushing system adopts clean water to flush the toilet in the whole process, and does not utilize clean water generated on the wash platform, so that a recycling device is designed for the problem of water resource waste.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects existing in the prior art, the utility model provides a sewage and clear water dual-purpose toilet flushing system which can fully recycle waste water resources.

The technical scheme is as follows: in order to realize the purpose, the sewage and clear water dual-purpose toilet flushing system comprises floors, wherein an upper floor space is arranged above the floors, and a lower floor space is arranged below the floors; the device also comprises a vertical clean water main pipeline and an overflow main pipeline; a water faucet, a water receiving tank, a filter pipe and a reservoir are arranged in the upper floor space; a urinal is arranged in the lower floor space; the water inlet end of the water tap is communicated with the clean water main pipeline; the water receiving tank is correspondingly arranged below the water faucet; the bottom end of the water receiving tank is communicated with the upper end of the filtering pipe, and the lower end of the filtering pipe is communicated with the reservoir; a three-way reversing valve is further installed in the lower floor space, and a three-way interface of the three-way reversing valve is communicated with one end of the first pipe, one end of the second pipe and one end of the third pipe respectively; the other ends of the first pipe, the second pipe and the third pipe are respectively communicated with the bottom end of the reservoir, the main clear water pipeline and a flushing port of the urinal; the lateral part bypass of cistern is connected with first overflow pipe, the play water outlet end bypass of first overflow pipe is connected overflow trunk line.

Further, the bottom surface of the water receiving tank is a concave arc-shaped bottom surface, and the lowest position of the arc-shaped bottom surface is communicated with the upper end of the filter pipe; the overflow device is characterized by further comprising a second overflow pipe, the middle height position of the arc-shaped bottom surface is communicated with the upper end of the second overflow pipe, and the other end of the second overflow pipe is connected with the overflow main pipeline in a bypass mode.

Further, the height of the first overflow pipe is lower than the height of the lowest end of the water receiving tank.

Furthermore, a fine screen layer, a quartz sand filter layer, an active carbon filter layer and a cobblestone filter layer are sequentially arranged in the filter pipe from top to bottom.

Has the advantages that: the utility model has simple structure, the common toilet flushing system adopts clear water to flush the toilet in the whole process, and the design is a dual-purpose cleaning system for sewage and clear water, and the switch of the three-way valve can be opened to flush with clear water only under the condition of insufficient sewage reserve in the whole process; a large amount of space below a wash platform in a dormitory can be usually left unused, and the design transforms the lower part into a reservoir, so that water resources are saved while the space is utilized; the design of the device is carried out by utilizing the basic principle that potential energy is converted into kinetic energy. Domestic water such as washing, washing and the like of the previous floor is collected by the reservoir to flush the toilet of the next floor, the space below the washing table is reasonably utilized and transformed into the reservoir, sewage is collected, and the potential energy of the sewage of the reservoir of the upper floor is directly converted into kinetic energy to flush the toilet of the lower floor by utilizing the height difference between the floors, so that power equipment does not need to be added. For example, a dormitory building with six floors is provided, the six floors are provided with water reservoirs to flush toilets with five floors, and the five floors are provided with water reservoirs to flush toilets with four floors.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the scheme; FIG. 2 is a schematic view of a partial structure of a reservoir; FIG. 3 is a schematic view of a filter structure in a filter conduit.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The sewage and clear water dual-purpose toilet flushing system as shown in the attached figures 1 to 3 comprises a floor 16, wherein an upper floor space 9 is arranged above the floor 16, and a lower floor space 12 is arranged below the floor 16; the device also comprises a vertical clean water main pipeline 1 and an overflow main pipeline 2; a water tap 4, a water receiving tank 5, a filter pipe 6 and a reservoir 7 are arranged in the upper floor space 9; a urinal 15 is arranged in the lower floor space 12; the water inlet end of the water tap 4 is communicated with the clean water main pipeline 1; the water receiving tank 5 is correspondingly arranged below the water faucet 4; the bottom end of the water receiving tank 5 is communicated with the upper end of the filtering pipe 6, and the lower end of the filtering pipe 6 is communicated with the reservoir 7; a three-way reversing valve 13 is further installed in the lower floor space 12, and a three-way interface of the three-way reversing valve 13 is respectively communicated with one end of the first pipe 11, one end of the second pipe 8 and one end of the third pipe 14; the other ends of the first pipe 11, the second pipe 8 and the third pipe 14 are respectively communicated with the bottom end of the reservoir 7, the main clear water pipe 1 and a flushing port of the urinal 15; a first overflow pipe 3 is connected to the side part of the reservoir 7 in a bypass manner, and the water outlet end of the first overflow pipe 3 is connected to the overflow main pipeline 2 in a bypass manner; the first overflow pipe 3 of the embodiment is lower than the lowest end of the water receiving tank 5.

The main working process is as follows:

a water storage process: the reservoir 7 can continuously collect the wastewater which is slightly used for the first time in the water receiving tank 5, so that the water in the reservoir 7 can be gradually accumulated; when the liquid level in the reservoir 7 rises to the height of the first overflow pipe 3, the excessive water in the reservoir 7 flows out of the main overflow pipe 2 through the first overflow pipe 3, and then the main overflow pipe 2 is discharged to a sewer; the overflow phenomenon of the reservoir 7 is effectively prevented;

flushing process: under the condition that water exists in the reservoir 7, the three-way reversing valve 13 is controlled to communicate the first pipe 11 with the third pipe 14, so that the urinal 15 is flushed by sewage in the reservoir 7; when no water exists in the reservoir 7, the three-way reversing valve 13 is controlled to communicate the second pipe (8) with the third pipe 14, so that the urinal 15 is flushed by clean water; the consistency of flushing the urinal is kept.

Because a plurality of filter layers are arranged in the filter pipe 6, the flow in the filter pipe 6 is slow, so that the flow in the filter pipe 6 is lower than that of the faucet 4, and the liquid in the water receiving tank 5 is easily and directly filled, so that the bottom surface of the water receiving tank 5 of the embodiment is set to be a concave arc-shaped bottom surface 26, and the lowest position of the arc-shaped bottom surface 26 is communicated with the upper end of the filter pipe 6; the middle height position of the arc-shaped bottom surface 26 is also communicated with the upper end of the second overflow pipe 25, and the other end of the second overflow pipe 25 is connected with the overflow main pipeline 2 in a bypass mode; the effect of setting up second overflow pipe 25 is that when the liquid level in the water receiving tank 5 surpassed the middle part high position of arc bottom surface 26, during the upper portion water in the water receiving tank 5 directly flowed out to overflow trunk line 2 through second overflow pipe 25, effectively prevented that water receiving tank 5 from directly being met and overflowing, the second overflow pipe 25 can also take away partial superficial residue on the liquid level in addition.

The filter tube 6 is internally provided with a fine sieve layer 17, a quartz sand filter layer 18, an activated carbon filter layer 19 and a cobblestone filter layer 20 from top to bottom in sequence.

Fine screening: the device has the advantages of collecting the hair and fibrous substances in the water, removing the floaters with larger sizes in the water, preventing blockage and eliminating the possible adverse effect on subsequent treatment equipment.

Cobblestones: cobblestones belong to gravels and are put in a filter screen to be used as a cushion layer.

Quartz sand: the macromolecular solid particles and colloid in the trapped water are on the surface and in the internal gaps of the filter material, so that the water is clarified.

Activated carbon: continuously removing the particles and colloid leaked by the sand filtration, and then adsorbing the color of the wastewater to achieve the aim of further purifying water.

Performance analysis

Take school dormitory as an example

About 13 barrels of water are used every day, and the volume of one water barrel is 13.8L

That is, the water consumption of one dormitory per day is 13X 13.8L =180L

That is, a dormitory building can save 95X 180X 30=502600L (the effective utilization room number of a dormitory is calculated according to 95)

According to the data, the price of the Wuhan city water is 3.5 yuan/m on average, so that about 3.5 multiplied by 502.6m =1507.8 yuan can be saved by one dormitory building in one month

From the calculation results, the water-saving effect is obvious, and the economic cost is saved.

The daily water consumption of a whole dormitory building is about 20520L, has caused a large amount of water waste, has also increased sewage treatment plant's pressure simultaneously, and this product operation is simple, and the power consumption is little, and control regulation is convenient, has improved space utilization and has also reduced sewage treatment plant's operation cycle in the water economy resource, guarantees certain treatment effect, operates under the stable prerequisite, makes engineering cost and working costs the most economical and reasonable. Therefore, the method has great popularization significance.

Innovation point and application

(1) The common toilet flushing system adopts clear water to flush the toilet in the whole process, and the design is a dual-purpose sewage and clear water cleaning system, and the switch of the three-way valve can be opened to flush with the clear water only under the condition of insufficient sewage storage in the whole process.

(2) A large amount of spaces below the wash platform of dormitory can be idle usually, and this design reforms transform into a cistern with the below, has also practiced thrift the water resource when utilizing the space.

(3) The effect that sets up second overflow pipe 25 makes when the liquid level in the water receiving tank 5 surpasss the middle part high position of arc bottom surface 26, and the upper portion water in the water receiving tank 5 directly flows out to overflow trunk line 2 through second overflow pipe 25 in, prevents effectively that water receiving tank 5 from directly being met and overflowing, and the second overflow pipe 25 can also take away partial superficial residue on the liquid level in addition.

The above description is only a preferred embodiment of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the principles of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims (4)

1. The dual-purpose lavatory rinse-system of sewage clear water, its characterized in that: the building comprises a floor (16), wherein an upper floor space (9) is arranged above the floor (16), and a lower floor space (12) is arranged below the floor (16); the device also comprises a vertical clean water main pipeline (1) and an overflow main pipeline (2); a water tap (4), a water receiving tank (5), a filter pipe (6) and a reservoir (7) are arranged in the upper floor space (9); a urinal (15) is arranged in the lower floor space (12); the water inlet end of the water tap (4) is communicated with the clean water main pipeline (1); the water receiving tank (5) is correspondingly arranged below the water faucet (4); the bottom end of the water receiving tank (5) is communicated with the upper end of the filtering pipe (6), and the lower end of the filtering pipe (6) is communicated with the water storage tank (7); a three-way reversing valve (13) is further installed in the lower floor space (12), and a three-way interface of the three-way reversing valve (13) is respectively communicated with one end of the first pipe (11), one end of the second pipe (8) and one end of the third pipe (14); the other ends of the first pipe (11), the second pipe (8) and the third pipe (14) are respectively communicated with the bottom end of the reservoir (7), the main clear water pipe (1) and a flushing port of a urinal (15); the lateral part bypass of cistern (7) is connected with first overflow pipe (3), the play water outlet end bypass of first overflow pipe (3) is connected overflow trunk line (2).

2. The system of claim 1, wherein: the bottom surface of the water receiving tank (5) is a concave arc-shaped bottom surface (26), and the lowest position of the arc-shaped bottom surface (26) is communicated with the upper end of the filter pipe (6); the overflow device is characterized by further comprising a second overflow pipe (25), the middle height position of the arc-shaped bottom surface (26) is further communicated with the upper end of the second overflow pipe (25), and the other end of the second overflow pipe (25) is connected with the overflow main pipeline (2) in a bypass mode.

3. The system of claim 1, wherein: the height of the first overflow pipe (3) is lower than the height of the lowest end of the water receiving tank (5).

4. The system of claim 1, wherein: the filter pipe (6) is internally provided with a fine sieve layer (17), a quartz sand filter layer (18), an active carbon filter layer (19) and a cobblestone filter layer (20) from top to bottom in sequence.

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