CN219885864U - Rural waste water cyclic utilization device - Google Patents

Abstract

The utility model discloses a rural wastewater recycling device, which comprises a water collecting ditch 1, a movable sealing cover, a processing unit 2, a water storage tank 3 and a biological water purifying component 4, wherein the water collecting ditch 1 is used for being connected with a wastewater generating place, and the cross section of the water collecting ditch 1 is trapezoidal; the movable sealing cover is connected with the water collecting ditch 1; the treatment units 2 are provided with a plurality of treatment units, the adjacent treatment units 2 are communicated, the treatment unit 2 at one end is connected with the water collecting ditch 1, and for the two adjacent treatment units 2, the treatment unit 2 at one side close to the wastewater generation position is higher than the other treatment unit 2, the arrangement can ensure that water automatically flows into the next treatment unit 2, no driving equipment is required, and the construction cost is saved; the water storage tank 3 is communicated with the processing unit 2 at the other end and is used for storing the processed liquid; the biological water purifying component 4 is connected with the processing unit 2 and is used for purifying the wastewater flowing through the processing unit 2.

Description

Rural waste water cyclic utilization device

Technical Field

The utility model relates to the technical field of water resource utilization and environmental protection, in particular to a rural wastewater recycling device.

Background

According to statistics, the total wastewater discharge amount in China is 600 hundred million tons/year, wherein the rural domestic wastewater is 80 hundred million tons/year, the rural wastewater treatment rate is low, and most village farmers lack complete wastewater collection and treatment systems. The domestic sewage has the characteristics of difficult collection and treatment, large water fluctuation, high organic pollutants and the like, and is a key point and a difficult point of village plain and environmental treatment. Untreated rural domestic sewage is not only a potential threat of drinking water source sites, but also an important cause of eutrophication of rivers and lakes.

The existing rural sewage treatment schemes are various, such as an artificial wetland system based on modularized fillers, an artificial wetland system based on common crushed stone fillers, a rural domestic sewage treatment system adopting an anaerobic and artificial wetland combined process, and the like. Analysis shows that the existing rural sewage treatment scheme needs to input a large amount of manpower and material resources for initial construction, continuous power is needed to be provided for maintaining operation in subsequent use, and filter materials are replaced regularly, so that the manufacturing cost and the use cost are high, and large-scale popularization is difficult.

Disclosure of Invention

Aiming at the defects, the utility model provides a rural wastewater recycling device to solve the problems of high construction cost, difficult operation and maintenance and the like of water treatment facilities in the prior art.

The utility model provides a rural wastewater recycling device, which comprises:

the water collecting ditch is used for connecting the wastewater generation place, and the cross section of the water collecting ditch is trapezoid;

the movable sealing cover is connected with the water collecting ditch;

the treatment units are communicated with each other and positioned at one end, the treatment units positioned at one end are connected with the water collecting ditch, and for the two adjacent treatment units, the treatment unit positioned at one side close to the wastewater generation position is higher than the other treatment unit;

the water storage tank is communicated with the processing unit at the other end and is used for storing the processed liquid;

and the biological water purifying component is connected with the processing unit and is used for purifying the wastewater flowing through the processing unit.

Preferably, the processing unit includes:

the first treatment pool, one end is communicated with the water collecting ditch through a first water inlet ditch, the other end is communicated with the adjacent treatment unit or the water storage pool through a first water outlet ditch, and the first water outlet ditch is communicated with the first treatment pool through a first water outlet;

one end of the second treatment pool is communicated with the water collecting ditch through a second water inlet ditch, and the other end of the second treatment pool is communicated with the adjacent treatment unit or the water storage pool through a second water outlet ditch;

one end of the water guide groove is communicated with the first treatment tank, the other end of the water guide groove is communicated with the second treatment tank, and the connection position of the water guide groove and the first treatment tank is lower than the first water outlet;

the control valve is arranged between the water guide groove and the first treatment tank and used for controlling the on-off between the first treatment tank and the water guide groove;

the on-off assembly is connected with the first water inlet ditch and the second water inlet ditch simultaneously and is electrically connected with the control valve and used for controlling the on-off of the water collecting ditch between the first water inlet ditch and the second water inlet ditch respectively.

Preferably, further comprising a cover assembly, the cover assembly comprising:

the driver is arranged at one side of the first treatment tank or the second treatment tank;

the driving reel is connected with the driver and arranged on the same side of the first treatment tank or the second treatment tank with the driver, and the driver drives the driving reel to rotate;

one end of the covering rolling curtain is connected with the driving scroll, and the covering rolling curtain covers the first treatment pool or the second treatment pool;

the movable belt is connected with the other end of the covering roller shutter and the driving roller shaft, and the driving roller shaft drives the movable belt to rotate;

and the driven scroll is connected with the movable belt and is arranged at one side of the first treatment tank or the second treatment tank, which is far away from the driver.

Preferably, the biological water purification assembly comprises:

the filter screen box is connected with the first treatment tank or the second treatment tank, mounting grooves matched with the filter screen box are formed in the first treatment tank and the second treatment tank, and a containing cavity is formed in the filter screen box;

the filter ball is arranged in the accommodating cavity and is used for filtering the wastewater;

the plant filter layer is arranged in the accommodating cavity and floats on the water surface for filtering the wastewater.

Preferably, a first drainage machine is arranged at one end of the first treatment pool, which is close to the first water outlet ditch; and a second drainage machine is arranged at one end of the second treatment pool, which is close to the second water outlet ditch.

Preferably, the driver is aligned with the filter screen box, both sides of the driver are provided with the driving scroll, and the driving scroll is fixed on one side of the first treatment tank or the second treatment tank through a driving shaft bracket; the driven scroll is fixed on the other side of the first treatment tank or the second treatment tank through a driven shaft bracket.

Preferably, the aeration device is further comprised, the aeration device comprising:

the aerator is arranged at one side of the first treatment tank or the second treatment tank;

the aeration pipe is connected with the filter screen box and is communicated with the aerator, and a plurality of aeration holes are formed in the aeration pipe and extend into the first treatment tank or the second treatment tank.

Preferably, the movable cover and the covering roller shutter are made of straw or plant-covered plant ash; or/and the water collecting ditch is a comprehensive ecological slope, and the materials of the comprehensive ecological slope comprise grass irrigation, stones and bricks.

Preferably, the driving reel is provided with a driving reel, and the moving belt is provided with rotating teeth matched with the driving reel.

Preferably, the bottoms of the first treatment tank and the second treatment tank are respectively provided with an aquatic plant layer for purifying water.

According to the scheme, the rural wastewater recycling device provided by the utility model has the following beneficial effects:

1. the recycling of rural wastewater is realized by a method of grading treatment of wastewater recycling, disordered rural wastewater discharge can be systematically solved, non-point source pollution is effectively reduced, a clean and tidy living environment is created, and the method is particularly suitable for rural areas with scattered living and far away from central villages and towns;

2. the whole rural wastewater treatment and recycling process is monitored and allocated in real time, fresh water supplement is reduced, the cost can be effectively reduced by realizing efficient wastewater utilization, meanwhile, the method and the device are implemented according to actual conditions, construction is carried out by adopting rural plants and the like, the cost is effectively controlled, and the method and the device are beneficial to wide popularization;

3. by constructing a water collecting ditch and a treatment pool, constructing a micro river wetland unit, growing native plants and algae in and around the ditch and the pool, the operation of the method prolongs the rural wastewater treatment time, strengthens the nutrient circulation, promotes the absorption and utilization of nitrogen and phosphorus by plants in the ditch and the pool, forms a healthy biological community with rich layers, and protects the biological diversity of the area.

The utility model solves the problems of high construction cost, difficult operation and maintenance and the like of water treatment facilities in the prior art, provides technical support for promoting the efficient utilization of water resources and effectively improving rural human living environment, and has remarkable effect.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic block diagram of a process of the working principle of a rural wastewater recycling device provided by the utility model;

FIG. 2 is a schematic block diagram of a rural wastewater recycling device provided by the utility model;

FIG. 3 is a schematic view of the treatment unit of the rural wastewater recycling device in the horizontal direction;

FIG. 4 is a schematic structural view of a rural wastewater recycling device provided by the utility model;

FIG. 5 is a schematic diagram of a front view of a treatment unit of a rural wastewater recycling device according to the present utility model;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is a schematic diagram of a treatment unit of a rural wastewater recycling device provided by the utility model;

fig. 8 is a schematic structural diagram of an on-off assembly of the rural wastewater recycling device.

In fig. 1-8:

1. a water collecting ditch; 2. a processing unit; 3. a water storage tank; 4. a biological water purification assembly; 5. a cover assembly; 6. an aeration device; 7. a first drain; 21. a first treatment tank; 22. a second treatment tank; 23. a water guide channel; 24. a control valve; 25. an on-off assembly; 26. a first water inlet channel; 27. a first water outlet channel; 28. a second water inlet channel; 29. a second water outlet channel; 41. a filter screen box; 42. a filter ball; 43. a plant filter layer; 51. a driver; 52. a drive spool; 53. covering the roller shutter; 54. a moving belt; 55. a driven reel; 56. a driving shaft bracket; 57. a driven shaft bracket; 61. an aerator; 62. an aeration pipe; 251. a first support frame; 252. a first spacer block; 253. a second support frame; 254. a second spacer block; 255. a control rack; 256. a control belt; 257. an on-off driver; 258. a first connecting rope; 259. a second connecting rope; 411. a receiving chamber.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 8, an embodiment of a rural wastewater recycling apparatus according to the present utility model will now be described. The rural wastewater recycling device is applied to the rural wastewater recycling method in the embodiment, and comprises a water collecting ditch 1, a movable sealing cover, a processing unit 2, a water storage tank 3 and a biological water purifying component 4, wherein the water collecting ditch 1 is used for being connected with a wastewater generating place, and the cross section of the water collecting ditch 1 is trapezoidal; the movable sealing cover is connected with the water collecting ditch 1; the treatment units 2 are provided with a plurality of treatment units, the adjacent treatment units 2 are communicated, the treatment unit 2 at one end is connected with the water collecting ditch 1, and for the two adjacent treatment units 2, the treatment unit 2 at one side close to the wastewater generation position is higher than the other treatment unit 2, the arrangement can ensure that water automatically flows into the next treatment unit 2, no driving equipment is required, and the construction cost is saved; the water storage tank 3 is communicated with the processing unit 2 at the other end and is used for storing the processed liquid; the biological water purifying component 4 is connected with the processing unit 2 and is used for purifying the wastewater flowing through the processing unit 2.

For convenience of explanation, referring to fig. 7, a rectangular coordinate system is established with any point in space as an origin, the setting direction of the moving belt 54 as a Y axis, the setting direction of the driving reel 52 as an X axis, and a straight line direction perpendicular to the X axis and the Y axis at the same time as a Z axis, wherein the XY plane is a horizontal plane, the direction indicated on the horizontal plane is a horizontal direction, and the direction indicated on the Z axis is a vertical direction.

In the embodiment, the movable sealing cover and the covering roller shutter 53 can be made of straw or plant ash, the thickness is about 2-5cm, odor of domestic wastewater is convenient to adsorb, a movable track is arranged between the movable sealing cover and the ground, and the movable sealing cover can slide on the movable track to realize shielding and opening of the water collecting ditch 1; the side slope of the water collecting ditch 1 is a comprehensive ecological slope protection formed by local grass irrigation, stones, bricks and the like, and is consistent with the construction of a farm yard.

Compared with the prior art, the rural wastewater recycling device is implemented according to actual conditions, is constructed by adopting local topography, plants and the like, effectively controls cost, is beneficial to wide popularization, solves the problems of high construction cost, difficult operation and maintenance and the like of water treatment facilities in the prior art, and provides technical support for promoting efficient utilization of water resources and effectively improving rural human living environments.

As another embodiment of the present utility model, the rural wastewater recycling apparatus has a structure substantially the same as that of the above embodiment, and is different in that the treatment unit 2 includes a first treatment tank 21, a second treatment tank 22, a water guide groove 23, a control valve 24, and an on-off assembly 25, wherein one end of the first treatment tank 21 is communicated with the water collecting groove 1 through a first water inlet groove 26, the other end is communicated with an adjacent treatment unit 2 or water storage tank 3 through a first water outlet groove 27, and the first water outlet groove 27 is communicated with the first treatment tank 21 through a first water outlet; one end of the second treatment tank 22 is communicated with the water collecting tank 1 through a second water inlet channel 28, and the other end is communicated with the adjacent treatment unit 2 or water storage tank 3 through a second water outlet channel 29; one end of the water guide groove 23 is communicated with the first treatment tank 21, the other end of the water guide groove is communicated with the second treatment tank 22, and the connection position of the water guide groove 23 and the first treatment tank 21 is lower than the first water outlet; the control valve 24 is arranged between the water guide groove 23 and the first treatment tank 21 and is used for controlling the on-off between the first treatment tank 21 and the water guide groove 23; the on-off assembly 25 is connected with the first water inlet ditch 26 and the second water inlet ditch 28 at the same time and is electrically connected with the control valve 24, and is used for controlling the on-off of the water collecting ditch 1 between the first water inlet ditch 26 and the second water inlet ditch 28 respectively.

During normal operation, the sewage flow path is: the first water inlet ditch 26-the first treatment tank 21-the water guide ditch 23-the second treatment tank 22-the second water outlet ditch 29; when the first treatment tank 21 is cleaned, the on-off assembly 25 is started to enable the water collecting ditch 1 to be communicated with the second water inlet ditch 28 and close the communication between the water collecting ditch 1 and the first water inlet ditch 26, and at the moment, the sewage flow path is as follows: second water inlet channel 28-second treatment tank 22-second water outlet channel 29; when the second treatment tank 22 is cleaned, the on-off assembly 25 is started to enable the water collecting ditch 1 to be communicated with the first water inlet ditch 26 and close the communication between the water collecting ditch 1 and the second water inlet ditch 28, meanwhile, a signal for controlling the valve 24 to start to disconnect the communication between the first treatment tank 21 and the water guide ditch 23 is sent, and at the moment, the sewage flow path is as follows: first water inlet channel 26-first treatment tank 21-first water outlet channel 27. The setting mode can timely overhaul and clean the treatment unit 2 while the water treatment process is not influenced, and the sewage treatment effect is ensured.

As another implementation mode of the utility model, the structure of the rural wastewater recycling device is basically the same as that of the embodiment, and the device is different in that the device further comprises a covering component 5, and the covering component 5 is provided with a plurality of covering components which are respectively arranged on the first treatment tank 21 and the second treatment tank 22 and used for covering the treatment tanks, avoiding foreign matters falling into the treatment tanks, ensuring the sewage treatment effect, avoiding the diffusion of peculiar smell in wastewater and maintaining the surrounding environment. The cover assembly 5 includes a driver 51, a driving reel 52, a cover roll screen 53, a moving belt 54, a driven reel 55, wherein the driver 51 is provided at one side of the first treatment tank 21 or the second treatment tank 22; the driving reel 52 is connected with the driver 51, and is arranged on the same side of the first processing pool 21 or the second processing pool 22 with the driver 51, and the driver 51 drives the driving reel 52 to rotate; one end of a cover roller shutter 53 is connected with the driving scroll 52, and the cover roller shutter 53 covers the first treatment tank 21 or the second treatment tank 22; the moving belt 54 is connected with the other end of the cover roller shutter 53 and with the driving roller 52, and the driving roller 52 drives the moving belt 54 to rotate; the driven reel 55 is connected to the moving belt 54 and is disposed on a side of the first treatment tank 21 or the second treatment tank 22 away from the driver 51. The driving reel 52 and the driven reel 55 are both provided through the moving belt 54 for supporting the moving belt 54, the covering roller shutter 53 is wound on the driving reel 52, and both sides of the covering roller shutter 53 are provided with the moving belt 54.

In this embodiment, the covering assembly 5 further includes a solar battery, and the solar battery is electrically connected to the driver 51, so that the driver 51 can be a motor, the motor drives the driving roller 52 to rotate, and the driving roller 52 drives the moving belt 54 to rotate, so as to further drive the covering roller shutter 53 to extend and wind up, so that the surface of the treatment tank is covered or opened.

As another embodiment of the present utility model, the rural wastewater recycling apparatus has a structure substantially the same as that of the above embodiment, and is different in that the biological water purifying component 4 includes a filter screen box 41, a filter ball 42, and a plant filter layer 43, wherein the filter screen box 41 is connected with the first treatment tank 21 or the second treatment tank 22, mounting grooves adapted to the filter screen box 41 are respectively provided in the first treatment tank 21 and the second treatment tank 22, and a containing cavity 411 is provided on the filter screen box 41; the filtering ball 42 is disposed in the accommodating cavity 411 and is used for filtering the wastewater, the filtering ball 42 is a granular filtering material with smaller particle size, a biological film grows on the surface of the filtering material, and the filtering ball 42 is not described in the prior art; the plant filter layer 43 is disposed in the accommodation chamber 411 and floats on the water surface for filtering the wastewater.

In this embodiment, a filter screen is detachably connected to the connection port of the first treatment tank 21 and the first water inlet channel 26, the filter screen is used for filtering larger impurities, so as to prevent the larger impurities from entering the first treatment tank 21 to damage the biological water purifying component 4, and the connection port of the second treatment tank 22 and the second water inlet channel 28 is also provided with a filter screen. The device also comprises a new energy storage battery which can convert solar energy or wind energy into electric energy for the processing unit 2 and the aeration equipment 6 to work.

As another embodiment of the present utility model, the rural wastewater recycling apparatus has a structure substantially the same as that of the above-described example, except that the first treatment tank 21 is provided with a first drainer 7 at one end thereof adjacent to the first water outlet groove 27; the second treatment tank 22 is provided with a second drainer at one end thereof adjacent to the second drain 29. The bottoms of the first treatment tank 21 and the second treatment tank 22 are respectively provided with an aquatic plant layer for purifying water.

In this embodiment, the driver 51 is aligned with the filter screen box 41, and both sides of the driver 51 are provided with driving reels 52, and the driving reels 52 are fixed to one side of the first treatment tank 21 or the second treatment tank 22 through driving reels 56; the driven reel 55 is fixed to the other side of the first treatment tank 21 or the second treatment tank 22 by a driven shaft bracket 57.

In this embodiment, the driving reel 52 is provided with a driving reel, and the moving belt 54 is provided with rotating teeth adapted to the driving reel; the driven reel 55 is provided with a driven reel wheel adapted to the rotating teeth. The rotating teeth can be of a rack-shaped structure, and the driving rolling wheel and the driven rolling wheel can be gears.

In the present embodiment, the aeration apparatus 6 is further comprised, the aeration apparatus 6 comprises an aerator 61, an aeration pipe 62, wherein the aerator 61 is provided at one side of the first treatment tank 21 or the second treatment tank 22; the aeration pipe 62 is connected with the filter screen box 41 and is communicated with the aerator 61, and a plurality of aeration holes are arranged on the aeration pipe 62 and extend into the first treatment tank 21 or the second treatment tank 22. The aerator 61 generates gas which is conveyed into the water through aeration holes on the aeration pipe 62 to increase the oxygen content of the water. It is within the scope of the present document to achieve the above-described performance effects of the aeration device 6.

As another embodiment of the present utility model, the rural wastewater recycling apparatus has a structure substantially the same as that of the above embodiment, and is different in that the on-off assembly 25 includes a first support frame 251, a first block 252, a second support frame 253, a second block 254, a control frame 255, a control belt 256, an on-off driver 257, a first connection rope 258, and a second connection rope 259, wherein the first support frame 251 has two first support frames 251 and is respectively disposed at two sides of the first water inlet channel 26, and the first support frame 251 has a first chute and is rotatably connected with a first pulley; the first block 252 is disposed in the first water inlet channel 26 and is slidably connected to the first support frame 251 through a first chute, and a first slip ring is disposed on the first block 252; the second supporting frame 253 is provided with two second sliding grooves which are respectively arranged at two sides of the second water inlet channel 28, and the second supporting frame 253 is provided with second pulleys in a rotating way; the second blocking block 254 is arranged in the second water inlet channel 28 and is connected with the second supporting frame 253 through a second sliding chute, and a second sliding ring is arranged on the second blocking block 254; the control frame 255 is disposed between the first water inlet channel 26 and the second water inlet channel 28, and a plurality of rotating shafts are disposed on the control frame 255 along the arrangement direction of the first chute; the control belt 256 is connected with a plurality of rotating shafts at the same time, the control belt 256 can be a chain, and gears or chain wheels matched with the chain are arranged on the rotating shafts; the on-off driver 257 is connected with the control belt 256 and is used for driving the control belt 256 to rotate; one end of the first connecting rope 258 is fixedly connected with the first pulley on one side of the first water inlet channel 26 far away from the second water inlet channel 28, and the other end penetrates through the first slip ring and bypasses the first pulley on the other side of the first water inlet channel 26 to be connected with one side of the control belt 256; one end of the second connecting rope 259 is fixedly connected with a second pulley on one side of the second water inlet ditch 28 away from the first water inlet ditch 26, the other end penetrates through the second slip ring and bypasses the second pulley on the other side of the second water inlet ditch 28 to be connected with the other side of the control belt 256, and the control belt 256 is used for controlling the second connecting rope 259 and the first connecting rope 258 to move along opposite directions.

In this embodiment, the first connecting rope 258 and the second connecting rope 259 are detachably connected with the control band 256, and the size of the opening between the block and the water inlet ditch can be controlled by controlling the position of the connecting rope on the control band 256, so that the water quantity is controlled. The on-off driver 257 can be a motor, and in operation, the motor is started to simultaneously control the movement of the first connecting rope 258 and the second connecting rope 259 through the control belt 256, so as to drive the first blocking block 252 and the second blocking block 254 to move along opposite directions, and realize the control of the on-off of the first water inlet ditch 26 and the second water inlet ditch 28. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

The method for recycling water by using the rural wastewater recycling device comprises the following steps:

s1, arranging a water collecting ditch 1 and a treatment pool for collecting wastewater around a rural courtyard, collecting phosphorus-containing wastewater and non-phosphorus-containing wastewater according to the water passing capacity Q of the water collecting ditch 1 _{Ditch (groove)} And the drainage direction, which includes a treatment pool or a natural river, a pond and the like, is determined by the ratio drop of the water collecting ditch 1; s2, arranging n-level treatment tanks at lower positions nearby according to rural court layout and regional topography conditions, wherein the bottom elevation of the treatment tanks is gradually reduced along with the wastewater treatment degree, the treatment tanks are usually muddy ponds, comprehensive protection (hard slope protection and plant protection) is arranged at the position where soil collapse easily occurs, and arbor-shrubs and algae-countryside varieties with strong adsorption capacity are planted along the edges of the treatment tanks; s3, acquiring information of water quantity in the treatment tank, and timely calling water in the treatment tank for use or outward drainage treatment according to the water quantity information; s4, controlling the total duration of the running period of the collected domestic wastewater between the treatment tank and the water collecting ditch 1 according to the water quality and water quantity and the environmental protection condition, and recycling the treated standard wastewater or discharging the standard wastewater into a river channel and a pond.

In the embodiment, water quality monitoring, filtering, blocking and water pumping and draining equipment with flow rate and flow rate is arranged at the inlet and the outlet of the treatment tank, namely, a water quality sensor, a velocimeter, a blocking pump, a water pump and the like are arranged, and the water quality sensor is used for monitoring the pollutant amount of the water body in real time at fixed points; a velocimeter measures the flow rate; the blocking is used for controlling water inflow and outflow; meanwhile, a water pump is arranged in the water storage adjusting tank and is used for adjusting water and draining water outwards between the treatment tank and the water collecting ditch 1 and between the treatment tank, so that sewage circulation and internal high-efficiency utilization are realized, and the water storage adjusting tank is the water storage tank 3 in the rural wastewater recycling device. The method adopts the mode of solar energy, wind energy and a storage battery to supply energy, and is more energy-saving and environment-friendly in the operation process.

Compared with the prior art, the rural wastewater recycling device collects domestic wastewater through the water collecting ditch 1, and enters the first treatment tank for precipitation and biological treatment (adsorption and decomposition of plant algae) after primary filtration; and then the wastewater enters a second treatment tank … through the water collecting ditch 1 until the wastewater reaches the final treatment tank n, the rural wastewater is treated in a forced drainage and self-flowing mode based on the double allocation of water quantity and time, and the wastewater is discharged or recycled after reaching the standard. The device has the following beneficial effects:

1. the method for recycling the wastewater through grading treatment realizes the recycling of rural wastewater, can effectively solve the problem of unordered wastewater discharge in rural areas, reduces non-point source pollution, creates clean and tidy living environment, and is particularly suitable for villages with small population, scattered living and long distance from central villages and towns;

2. the whole rural wastewater treatment and recycling process is monitored and allocated in real time, so that fresh water supplement is reduced, the efficient utilization of wastewater is realized, and the cost can be effectively reduced;

3. by constructing the water collecting ditch 1 and the treatment pool, a micro river wetland unit is constructed, rural plants and algae grow in and around the ditches and the pools, the operation of the method prolongs the rural wastewater treatment time, accelerates the nutrient circulation, promotes the absorption and the utilization of nitrogen and phosphorus by the plants in the ditches and the pools, forms a healthy biological community with rich layers, and protects the biological diversity of the area.

In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, so that the same or similar parts between the embodiments are referred to each other. What is not described in detail in the embodiments of the present utility model belongs to the prior art known to those skilled in the art.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A rural wastewater recycling device, comprising:

the water collecting ditch (1) is used for being connected with a wastewater generation place, and the cross section of the water collecting ditch (1) is trapezoid;

the movable sealing cover is connected with the water collecting ditch (1);

the treatment units (2) are provided with a plurality of treatment units (2), the adjacent treatment units (2) are communicated, the treatment unit (2) at one end is connected with the water collecting ditch (1), and for the two adjacent treatment units (2), the treatment unit (2) close to one side of the wastewater generation position is higher than the other treatment unit (2);

a water storage tank (3) communicated with the processing unit (2) at the other end and used for storing the processed liquid;

and the biological water purifying component (4) is connected with the treatment unit (2) and is used for purifying the wastewater flowing through the treatment unit (2).

2. Rural wastewater recycling apparatus according to claim 1, wherein the treatment unit (2) comprises:

a first treatment tank (21), one end of which is communicated with the water collecting tank (1) through a first water inlet channel (26), the other end of which is communicated with the adjacent treatment unit (2) or the water storage tank (3) through a first water outlet channel (27), and the first water outlet channel (27) is communicated with the first treatment tank (21) through a first water outlet;

a second treatment tank (22), one end of which is communicated with the water collecting ditch (1) through a second water inlet ditch (28), and the other end of which is communicated with the adjacent treatment unit (2) or the water storage tank (3) through a second water outlet ditch (29);

a water guide groove (23), one end of which is communicated with the first treatment tank (21) and the other end of which is communicated with the second treatment tank (22), wherein the connection position of the water guide groove (23) and the first treatment tank (21) is lower than the first water outlet;

a control valve (24) arranged between the water guide groove (23) and the first treatment tank (21) and used for controlling the on-off between the first treatment tank (21) and the water guide groove (23);

the on-off assembly (25) is simultaneously connected with the first water inlet ditch (26) and the second water inlet ditch (28) and is electrically connected with the control valve (24) and used for controlling on-off between the water collecting ditch (1) and the first water inlet ditch (26) and the second water inlet ditch (28) respectively.

3. A rural waste water recycling device according to claim 2, further comprising a cover assembly (5), the cover assembly (5) comprising:

a driver (51) provided on one side of the first treatment tank (21) or the second treatment tank (22);

a drive reel (52) connected to the driver (51) and disposed on the same side of the first treatment tank (21) or the second treatment tank (22) as the driver (51), wherein the driver (51) drives the drive reel (52) to rotate;

one end of a covering roller shutter (53) is connected with the driving scroll (52), and the covering roller shutter (53) covers the first treatment tank (21) or the second treatment tank (22);

a moving belt (54) connected to the other end of the cover roller shutter (53) and connected to the driving roller (52), the driving roller (52) driving the moving belt (54) to rotate;

and a driven reel (55) connected to the moving belt (54) and provided on a side of the first treatment tank (21) or the second treatment tank (22) away from the driver (51).

4. A rural wastewater recycling apparatus according to claim 3, wherein the biological water purification module (4) comprises:

the filter screen box (41) is connected with the first treatment tank (21) or the second treatment tank (22), mounting grooves matched with the filter screen box (41) are formed in the first treatment tank (21) and the second treatment tank (22), and a containing cavity (411) is formed in the filter screen box (41);

a filter ball (42) arranged in the accommodating cavity (411) for filtering the wastewater;

the plant filter layer (43) is arranged in the accommodating cavity (411) and floats on the water surface for filtering the wastewater.

5. The rural wastewater recycling apparatus according to claim 4, wherein a first drainer (7) is arranged at one end of the first treatment tank (21) close to the first water outlet channel (27); and a second water draining machine is arranged at one end of the second treatment pool (22) close to the second water outlet ditch (29).

6. The rural wastewater recycling apparatus according to claim 5, wherein the driver (51) is aligned with the filter screen box (41), the driving reels (52) are disposed on both sides of the driver (51), and the driving reels (52) are fixed on one side of the first treatment tank (21) or the second treatment tank (22) through driving reels (56); the driven reel (55) is fixed to the other side of the first treatment tank (21) or the second treatment tank (22) through a driven shaft bracket (57).

7. The rural wastewater recycling apparatus according to claim 4, further comprising an aeration device (6), the aeration device (6) comprising:

an aerator (61) provided on one side of the first treatment tank (21) or the second treatment tank (22);

the aeration pipe (62) is connected with the filter screen box (41) and is communicated with the aerator (61), and a plurality of aeration holes are arranged on the aeration pipe (62) and extend into the first treatment tank (21) or the second treatment tank (22).

8. A rural wastewater recycling apparatus according to claim 3, wherein the movable cover and the covering roller shutter (53) are made of straw or plant-covered plant ash; or/and the water collecting ditch (1) is a comprehensive ecological slope, and the materials of the comprehensive ecological slope comprise grass irrigation, stones and bricks.

9. A rural wastewater recycling apparatus according to claim 3, wherein the driving reel (52) is provided with a driving reel, and the moving belt (54) is provided with rotating teeth adapted to the driving reel.

10. A rural wastewater recycling apparatus according to any one of claims 2 to 9, wherein the bottoms of the first treatment tank (21) and the second treatment tank (22) are provided with aquatic plant layers for purifying water.