Rainwater recycling system and rainwater utilization method
Technical Field
The invention relates to the field of water resource utilization, in particular to the field of rainwater recycling, and specifically relates to a rainwater recycling system and a rainwater utilization method.
Background
Many countries and regions face water shortage and other water problems of different degrees, therefore, the promotion of comprehensive development, utilization and water resource protection is a problem which is generally regarded by all countries, the sponge city is an effective means for coping with the shortage of urban water resource utilization at present, the sponge city refers to a city which can be like a sponge, has good 'elasticity' in the aspects of adapting to environmental changes, coping with natural disasters and the like, absorbs water, stores water, seeps water and purifies water when raining, and releases and utilizes the stored water when needed.
In the construction process in sponge city, the rainwater is collected to be the most important part, when the rainwater is collected, lay the one deck waterproof board earlier on building, garage or road surface usually, then lay the drain bar on the waterproof board, be connected with the water drainage tank between the drain bar, then lay the one deck filter cloth in the top of drain bar and water drainage tank, cover the earthing again at the top of filter cloth, the rainwater passes the filter cloth and gets into the drain bar, the water inlet flow in water drainage tank of rethread water drainage tank finally gets into underground water tank from the water drainage tank.
However, at present, rainwater in the underground water tank is not utilized, most of the rainwater in the underground water tank is pumped out by a water pump for utilization, and a lot of electric energy needs to be wasted.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the rainwater recycling system and the rainwater utilization method which have the advantages of energy conservation, good appearance effect and high utilization efficiency.
The invention is realized by the following technical proposal, provides a rainwater recycling system, which comprises a windmill room fixed on the ground, a windmill arranged on the side surface of the windmill room, a ground water tank arranged in the windmill room, an underground water tank arranged underground, and an Archimedes pump arranged obliquely, wherein the inlet of the Archimedes pump is arranged in the underground water tank, the outlet of the Archimedes pump is arranged above the ground water tank, the ground water tank is communicated with a water outlet pipe, the rainwater collecting device is higher than the underground water tank, the rainwater collecting device is communicated with the underground water tank through a water outlet pipe, a driving shaft, a driven shaft and an intermediate shaft which are parallel to each other are connected in the windmill room, the driving shaft is fixedly connected with the center of the windmill, a driving gear is fixedly connected on the driving shaft, a driven gear meshed with the driving gear is connected on the driven shaft in a sliding way along the axial line of the driven shaft, and a driving device for driving the driven gear, a driving belt pulley is fixedly connected to the driven shaft, a driven belt pulley is fixedly connected to the intermediate shaft, the driving belt pulley is connected with the driven belt pulley through a transmission belt, a driving bevel gear is fixedly connected to the intermediate shaft, and a driven bevel gear meshed with the driving bevel gear is fixedly connected to the end portion of a rotating shaft of the Archimedes pump.
Rainwater collected by the rainwater collecting device enters the underground water tank through the drainage pipe, the windmill is driven to rotate by wind power, the driving shaft is driven to rotate by the windmill, the driving shaft drives the driving gear to rotate, the driving gear drives the driven gear to rotate, the driven gear drives the driven belt pulley to rotate through the driving belt pulley on the driven shaft, the driven belt pulley drives the driving bevel gear to rotate, the driving bevel gear drives the driven bevel gear to rotate, so that the Archimedes pump is driven to rotate, rainwater in the underground water tank is conveyed to the ground water tank through the Archimedes pump, and the rainwater is discharged and utilized through the water outlet pipe.
The driven shaft is fixedly connected with a driving belt pulley, the intermediate shaft is fixedly connected with a driven belt pulley, the driving belt pulley is connected with the driven belt pulley through a transmission belt, the driven shaft and the intermediate shaft are transmitted through the transmission belt, and due to the fact that the force borne by the transmission belt is limited, when the Archimedes pump is clamped and cannot rotate, the belt slips, and the Archimedes pump, the windmill and all transmission devices are protected.
When the water amount in the underground water tank is insufficient or the water amount in the ground water tank is excessive, the driving device drives the driven gear to move along the axis of the driven shaft, so that the driven gear is separated from the driving gear, the Archimedes pump stops working, the abrasion caused by the idle running of the Archimedes pump when the underground water tank is not filled with water is prevented, all ground parts are wrapped in the windmill house arranged in the scheme, the appearance is attractive, the windmill is driven by wind power, and the Archimedes pump is driven by the windmill to convey rainwater in the underground water tank to the ground water tank, so that the energy is saved, and the long-term utilization of the rainwater can be realized.
Preferably, the rainwater collecting device comprises a drainage plate and a drainage groove which are both arranged above the top plate of the building, and the drainage groove is provided with a drainage groove water inlet communicated with the drainage plate and a drainage groove water outlet communicated with the drainage pipe. Rainwater collection device in this scheme includes drain bar and water drainage tank, and the rainwater gets into the drain bar, and the water inlet of rethread water drainage tank flows into water drainage tank, finally flows in the drain pipe through water drainage tank delivery port.
As optimization, the top of the drainage plate and the drainage groove is covered with roof covering soil, and filter cloth is arranged between the drainage plate and the drainage groove and between the roof covering soil. The filter cloth that sets up in this scheme can allow the rainwater to pass, can play the effect of filtering the earthing, plays the guard action to drain bar and water drainage tank.
Preferably, the drain pipe comprises a vertical section, and the inner diameter of the upper part of the vertical section is larger than that of the lower part of the vertical section. The drain pipe includes vertical section in this scheme, and the internal diameter on vertical section upper portion is greater than the internal diameter of vertical section lower part to when making the rainwater through the whereabouts of vertical section, the rainwater is full of vertical section lower part, accelerates the discharge of rainwater through the siphon effect.
As optimization, drive arrangement is including fixing the electro-magnet in the windmill room and the push pedal of rigid coupling on the electro-magnet telescopic shaft, the side rigid coupling of driven gear has the columniform boss coaxial with the driven gear, and it has the closed draw-in groove of circumference to open on the outer periphery of boss, the push pedal inserts in the draw-in groove. The flexible push rod that drives of electro-magnet removes in this scheme, inserts the draw-in groove through the push pedal and drives the driven gear removal, and the push pedal can not influence driven gear's rotation.
And optimally, an arc surface matched with the bottom of the clamping groove is arranged on the push plate. Be provided with the arc surface with draw-in groove bottom adaptation in the push pedal of this scheme to make the push pedal can drive driven gear better and remove.
Preferably, a ground water tank high-level sensor is arranged at the top of the inner wall of the ground water tank, and an underground water tank low-level sensor is arranged at the bottom of the underground water tank. When the water level of the ground water tank is higher than the high-level sensor of the ground water tank or the water level of the underground water tank is lower than the low-level sensor of the underground water tank, the driving gear and the driven gear are driven by the electromagnet to be separated, and therefore the Archimedes pump is automatically started and stopped.
Preferably, the outer diameter of the driving gear is larger than that of the driven gear. The external diameter of driving gear in this scheme is greater than driven gear's external diameter to the rotational speed of archimedes pump can be increased.
Preferably, the inclination angle of the Archimedes pump is 45 degrees. The inclination angle of the Archimedes pump in the scheme is 45 degrees, so that rainwater in the underground water tank can be conveniently conveyed to the overground water tank through the Archimedes pump.
A rainwater utilization method using the rainwater recycling system comprises the following steps:
a. rainwater is collected through the drainage plate and flows into the drainage groove, and the rainwater in the drainage groove flows into the underground water tank through the drainage pipe, so that the rainwater is recovered;
b. the wind power drives the windmill to rotate, the driving gear drives the driven gear to rotate, the driving belt pulley drives the driven belt pulley to rotate, and the driving bevel gear drives the driven bevel gear to rotate, so that the Archimedes pump is driven to rotate, and rainwater in the underground water tank is conveyed to the ground water tank through the Archimedes pump;
c. rainwater in the ground water tank is discharged through the water outlet pipe, so that the rainwater is recycled;
d. the electromagnet drives the push plate to move, and the push plate axially moves the driven gear along the driven shaft, so that the driving gear is separated from the driven gear, and the Archimedes pump stops working;
e. the switch of the electromagnet is controlled by the ground water tank high-level sensor and the underground water tank low-level sensor, and when the water level of the ground water tank is higher than the ground water tank high-level sensor or the water level of the underground water tank is lower than the underground water tank low-level sensor, the driving gear and the driven gear are driven by the electromagnet to be separated.
The invention has the beneficial effects that: the invention relates to a rainwater recycling system and a rainwater utilization method, wherein an Archimedes pump is driven to rotate by a windmill, rainwater in an underground water tank is conveyed to a ground water tank by the Archimedes pump, the rainwater is discharged and utilized by a water outlet pipe, when the water amount in the underground water tank is insufficient or the water amount in the ground water tank is excessive, a driving device drives a driven gear to move along the axis of a driven shaft, so that the driven gear is separated from a driving gear, the Archimedes pump stops working, a windmill room wraps all ground parts, the appearance is attractive, the windmill is driven by wind power, and the Archimedes pump is driven by the windmill to convey the rainwater in the underground water tank to the ground water tank, so that the energy is saved, and the long-term utilization of the rainwater can be realized.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic front view of a windmill according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 1 in accordance with the present invention;
FIG. 5 is a schematic view of the structure of the driven gear and the push plate of the present invention;
FIG. 6 is a schematic front view of a push plate according to the present invention;
FIG. 7 is a schematic view of the structure of the drainage plate of the present invention;
FIG. 8 is a schematic view of the structure of the drainage channel of the present invention;
shown in the figure:
1. the water drainage system comprises a windmill, 2, a driving shaft, 3, a driving gear, 4, a driven shaft, 5, a driven gear, 6, an electromagnet, 7, a push plate, 8, a driving belt pulley, 9, a transmission belt, 10, a driven belt pulley, 11, an intermediate shaft, 12, a driving bevel gear, 13, a driven bevel gear, 14, an Archimedes pump, 15, a windmill house, 16, a ground water tank, 17, a water outlet pipe, 18, a ground water tank high sensor, 19, an underground water tank, 20, a building roof plate, 21, a water drainage plate, 22, roof plate earthing, 23, a water drainage tank, 24, an observation hole, 25, a water drainage pipe, 26, a boss, 27, an underground water tank low sensor, 211, cloth, 212, a support table, 213, a water stop plate, 231, a water drainage tank body, 232, a water drainage tank water inlet, 233 and.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1 to 8, the rainwater recycling system according to the present invention includes a windmill house 15 fixed on the ground, a windmill 1 installed on a side surface of the windmill house 15, a ground water tank 16 disposed in the windmill house 15, and an underground water tank 19 disposed underground. And a rainwater collecting device higher than the underground water tank 19.
The height of the lowest part of the windmill 1 from the ground is more than 2.5 meters, so that the personnel can be prevented from being injured when the windmill 1 rotates.
The ground water tank 16 is communicated with a water outlet pipe 17, the top of the ground water tank 16 is of an open structure, the water outlet pipe 17 is arranged at the bottom of the side surface of the ground water tank 16, and a valve is arranged on the water outlet pipe 17.
The rainwater collecting device is communicated with the underground water tank 19 through a drain pipe 25 and comprises a drain board 21 and a drain groove 23 which are arranged above a building top board 20, the building top board 20 is generally a top board of a basement or a top board of an underground garage, a waterproof board is paved on the building top board 20, and the drain board 21 and the drain groove 23 are paved on the waterproof board.
As shown in fig. 7, the drain pipe 25 includes a water stop plate 213 at the bottom and a layer of water filtering cloth 211 disposed above the water stop plate 213, a plurality of support platforms 212 are fixedly connected between the water stop plate 213 and the water filtering cloth 211, and rainwater passes through the water filtering cloth 211 and flows into the water inlet 232 of the drain tank through the space between the water stop plate 213 and the water filtering cloth 211.
As shown in fig. 8, the drain tank 23 includes an inverted U-shaped drain tank body 231, and a plurality of drain tank water inlets 232 communicating with the drain plate 21 and a plurality of drain tank water outlets 233 communicating with the drain pipe 25 are formed on both side surfaces of the drain tank body 231.
The top of the drainage channel 23 is provided with an observation hole which is a round pipe communicated with the top surface of the drainage channel body 231, and the top of the round pipe extends to the ground for observing the inside of the drainage channel 23.
The top of drain bar 21 and water drainage tank 23 is covered with roof earthing 22, be equipped with the filter cloth between drain bar 21 and water drainage tank 23 and roof earthing 22, filter cloth lid is on drain bar 21 and water drainage tank 23.
The underground water tank 19 is arranged underground, the top plate of the underground water tank 19 is lower than a building top plate 20, the inner layer of the underground water tank 19 is provided with a water collecting cage, and the water collecting cage plays a supporting role for the underground water tank 19 and prevents the underground water tank 19 from being extruded and deformed by soil.
The drain pipe 25 includes a vertical section, which is a reducer pipe, and the inner diameter of the upper portion of the vertical section is larger than the inner diameter of the lower portion of the vertical section.
The system also comprises an inclined Archimedes pump 14, wherein an inlet of the Archimedes pump 14 is arranged at the bottom in the underground water tank 19, an outlet of the Archimedes pump 14 is arranged above the ground water tank 16, the inclination angle of the Archimedes pump 14 is 45 degrees, and a part of the Archimedes pump 14, which is higher than the ground, is arranged inside the windmill house 15.
The windmill house 15 is internally connected with a driving shaft 2, a driven shaft 4 and an intermediate shaft 11 which are parallel to each other, and the driving shaft 2, the driven shaft 4 and the intermediate shaft 11 are all horizontally arranged.
The driving shaft 2 is fixedly connected with the center of the windmill 1, thereby supporting the windmill 1. The driving shaft 2 is fixedly connected with a driving gear 3, the driven shaft 4 is connected with a driven gear 5 meshed with the driving gear 3 in a sliding mode along the axis, the driven gear 5 is connected with the driven shaft 4 through a slidable spline, and the outer diameter of the driving gear 3 is larger than that of the driven gear 5. And the driving device is used for driving the driven gear 5 to move along the axis of the driven shaft 4.
Drive arrangement is including fixing electro-magnet 6 and the rigid coupling in the windmill house 15 push pedal 7 on the 6 telescopic shaft of electro-magnet, and the 6 telescopic shaft of electro-magnet is parallel with driven shaft 4, driven gear 5's side rigid coupling has the columniform boss 26 coaxial with driven gear 5, and it has the closed draw-in groove of circumference to open on the outer periphery of boss 26, push pedal 7 inserts in the draw-in groove, be provided with the arc surface with draw-in groove bottom adaptation on the push pedal 7, the arc surface inserts in the draw-in groove, does not influence driven gear 5's rotation.
A driving belt pulley 8 is fixedly connected to the driven shaft 4, a driven belt pulley 10 is fixedly connected to the intermediate shaft 11, the driving belt pulley 8 is connected with the driven belt pulley 10 through a transmission belt 9, a driving bevel gear 12 is further fixedly connected to the intermediate shaft 11, and a driven bevel gear 13 meshed with the driving bevel gear 12 is fixedly connected to the end portion of a rotating shaft of the Archimedes pump 14.
The top of the inner wall of the ground water tank 16 is provided with a ground water tank high level sensor 18, and the bottom of the underground water tank 19 is provided with an underground water tank low level sensor 27.
A rainwater utilization method using the rainwater recycling system comprises the following steps:
rainwater is collected by the drainage plate 21 and flows into the drainage groove 23, and the rainwater in the drainage groove 23 flows into the underground water tank 19 through the drainage pipe 25, so that the rainwater is recovered.
The windmill 1 is driven by wind power to rotate, the driven gear 5 is driven by the driving gear 3 to rotate, the driven belt pulley 10 is driven by the driving belt pulley 8 to rotate, the driven bevel gear 13 is driven by the driving bevel gear 12 to rotate, the Archimedes pump 14 is driven to rotate, and rainwater in the underground water tank 19 is conveyed to the ground water tank 16 through the Archimedes pump 14.
The rainwater in the ground water tank 16 is discharged through the water outlet pipe 17, so that the rainwater is recycled.
The electromagnet 6 drives the push plate 7 to move, and the push plate 7 moves the driven gear 5 along the driven shaft 4 in the axial direction, so that the driving gear 3 is separated from the driven gear 5, and the archimedes pump 14 stops working.
The switch of the electromagnet 6 is controlled by the ground water tank high level sensor 18 and the underground water tank low level sensor 27, and when the water level of the ground water tank 16 is higher than that of the ground water tank high level sensor 18 or the water level of the underground water tank 19 is lower than that of the underground water tank low level sensor 27, the electromagnet 6 drives the driving gear 3 to be separated from the driven gear 5.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.