CN113666580A - System and process flow for rural black ash sewage treatment - Google Patents
System and process flow for rural black ash sewage treatment Download PDFInfo
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- CN113666580A CN113666580A CN202111042314.4A CN202111042314A CN113666580A CN 113666580 A CN113666580 A CN 113666580A CN 202111042314 A CN202111042314 A CN 202111042314A CN 113666580 A CN113666580 A CN 113666580A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/002—Grey water, e.g. from clothes washers, showers or dishwashers
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/005—Black water originating from toilets
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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Abstract
The invention relates to the technical field of black ash sewage treatment, and discloses a system and a process flow for rural black ash sewage treatment, which solve the problems that most of distributed small-scale sewage treatment processes are not mature enough, wherein desilting is inconvenient to clean, the working efficiency is low, and the actual use is inconvenient; according to the amount of grey water, the position of the oil separation plate can be adjusted, and the two flexible scraping plates scrape the settled sand in the grey water tank and the black water tank to two sides respectively, so that the grey water tank and the black water tank can be cleaned conveniently, and the motor can be maintained and overhauled conveniently.
Description
Technical Field
The invention relates to the technical field of black and gray sewage treatment, in particular to a system and a process flow for rural black and gray sewage treatment.
Background
In the rural development process, domestic sewage comprises black water and grey water, wherein the black water comprises excrement-containing sewage of a toilet or a bathroom, and the grey water comprises laundry, bath wastewater, toilet wastewater, cleaning wastewater, kitchen drainage and the like. At present, most of distributed small-scale sewage treatment processes are not mature enough, settled sand is inconvenient to clean, the working efficiency is low, and the distributed small-scale sewage treatment processes are inconvenient to use practically.
Disclosure of Invention
The invention mainly aims to provide a system and a process flow for rural black ash sewage treatment, which can effectively solve the problems that most of distributed small-scale sewage treatment processes in the background art are not mature enough, settled sand is inconvenient to clean, the working efficiency is low, and the actual use is inconvenient.
In order to achieve the purpose, the invention adopts the technical scheme that:
a system for treating rural black ash sewage comprises a three-grid septic tank, a grid sedimentation tank and a sand settling device, wherein the sand settling device comprises a sand settling tank, a partition plate is arranged in the sand settling tank, an ash water tank and a black water tank are respectively arranged on two sides of the partition plate, a two-way lead screw is arranged in the sand settling tank, a control chamber is arranged in the partition plate, two ends of the two-way lead screw are connected with the inner wall of the sand settling tank through first bearings, first movable plates are arranged in the ash water tank and the black water tank, a plurality of flexible scraping plates are arranged at the bottom of each first movable plate, the two-way lead screw penetrates through the two first movable plates and the partition plate, the two-way lead screw is in threaded connection with the first movable plates, the penetrating positions of the two-way lead screw and the partition plate are arranged in second bearings, a rotary driving assembly is arranged on the two-way lead screw and connected with the oil isolating assembly matched with the ash water tank;
the rotary driving assembly comprises a worm arranged in the control chamber, a worm wheel positioned in the control chamber is sleeved on the bidirectional lead screw and fixedly connected with the bidirectional lead screw, the bottom end of the worm is connected with the inner wall of the bottom of the control chamber through a third bearing, the top end of the worm penetrates through the partition plate, a fourth bearing is arranged at the penetrating position of the worm and the partition plate, a motor is arranged above the worm, the motor and the worm are connected through a rotary connecting piece, the top of the motor is fixedly connected with a first fixing plate, the bottom of the first fixing plate is fixedly connected with two side plates, the top of the partition plate is provided with two slots, the bottom ends of the side plates are positioned in the slots, and the partition plate is provided with an anti-falling piece matched with the side plates;
the oil separation assembly comprises a rotary cover plate arranged at the top of the sand settling tank, one side of the rotary cover plate is connected with one side of the sand settling tank through a plurality of hinges, an oil separation plate is arranged in the grey water tank, the oil separation plate is connected with the rotary cover plate through an oil separation adjusting part, and the rotary cover plate is connected with the sand settling tank through an anti-rotation part.
Preferably, the anticreep piece all is equipped with the second fixed plate including seting up the draw-in groove in curb plate one side, one side that two curb plates kept away from mutually, second fixed plate and baffle fixed connection, one side that the curb plate was kept away from to the second fixed plate is equipped with the second fly leaf, one side fixedly connected with limiting plate that the second fly leaf is close to the second fixed plate, the limiting plate runs through the second fixed plate, and the one end of limiting plate is located the draw-in groove, second fly leaf and second fixed plate pass through a plurality of extension spring to be connected, be equipped with on the limiting plate with baffle matched with spacing fastener.
Preferably, the limiting clamping part comprises a first through hole formed in the top of the limiting plate, an inserting plate is arranged in the first through hole, the top of the inserting plate is fixedly connected with a baffle positioned above the limiting plate, and two first positioning grooves are formed in the top of the baffle.
Preferably, the limiting grooves are formed in the inner walls of the two sides of the first positioning groove, the inner wall of the top of each limiting groove is communicated with the top of the partition plate, and the limiting blocks are fixedly connected to the two sides of the inserting plate.
Preferably, the rotating connection piece comprises a first fixed disc arranged at the bottom end of the motor, a second fixed disc is arranged at the bottom of the first fixed disc, the top of the worm is fixedly connected with the bottom of the second fixed disc, a plurality of positioning columns are fixedly connected to the bottom of the first fixed disc, and the positioning columns penetrate through the second fixed disc.
Preferably, the oil separation adjusting part comprises two third fixing plates arranged on one side of the rotary cover plate, one side of each third fixing plate is fixedly connected with one side of the rotary cover plate, a third fixing plate is arranged at the top of each third fixing plate, a first lead screw is fixedly connected to the bottom of each third fixing plate, the first lead screw penetrates through the third fixing plates, a fifth bearing is arranged at the penetrating position of the first lead screw and the third fixing plates, and two thread grooves are formed in the top of the oil separation plate.
Preferably, the bottom end of the first screw rod is positioned in the thread groove, and the top of the third fixed disc is fixedly connected with two first handles.
Preferably, the rotation preventing part comprises a fixing frame arranged at the top of the rotating cover plate, a second through hole is formed in the top of the rotating cover plate, a clamping plate is arranged in the second through hole, a second positioning groove is formed in the top of the sand box, the bottom end of the clamping plate is located in the second positioning groove, a threaded hole is formed in the top of the clamping plate, a second lead screw is arranged in the threaded hole, the top end of the second lead screw extends to the upper portion of the rotating cover plate, and the top end of the second lead screw is connected with the fixing frame through a sixth bearing.
Preferably, a second handle is arranged on the second screw rod, and the fixing frame is of an L-shaped structure.
A process flow for rural black ash sewage treatment comprises the following steps:
s1, performing preliminary treatment on black water, namely performing primary treatment on the toilet black water through anaerobic fermentation of a three-grid septic tank, and drawing the black water in the third grid of the three-grid septic tank for a farmer to use in a micro vegetable garden and a micro orchard in front of and behind a house;
s2, primary treatment of grey water, namely, primary treatment of bathing grey water, kitchen grey water and washing grey water in a grid sedimentation tank, and secondary treatment of the treated grey water in a courtyard type artificial wetland;
s3, carrying out desilting treatment, wherein black water which is not utilized in the third grid of the three-grid septic tank enters a desilting device through a black water pipe for treatment, gray water which is subjected to secondary treatment through the courtyard type artificial wetland enters a desilting box through a gray water pipe for treatment, oil separation treatment is carried out at the same time, the black water and the gray water are separately collected and separately treated by the black water pipe and the gray water pipe, and the black water and the gray water are separated and do not mix with each other;
s4, adjusting the oil separation plate and scraping and pushing deposited sand, driving a first handle to rotate to enable a third fixed disc to drive a first screw rod to rotate, changing the length of the first screw rod in a threaded groove, further adjusting the height of the oil separation plate, adjusting the position of the oil separation plate according to the amount of grey water, driving a worm to rotate through a motor, further driving a two-way screw rod to rotate through a worm gear, enabling two first movable plates to move in different directions, and enabling two flexible scraper plates to respectively scrape the deposited sand in a grey water tank and a black water tank to two sides, thereby facilitating later cleaning;
s5, purifying, wherein the grey water after precipitation treatment passes through a grey water pipe and then passes through the tail-end artificial wetland for secondary purification treatment, the grey water is discharged after reaching the standard, black water which is not completely utilized after precipitation treatment passes through a black water pipeline and is collected into a three-grid septic tank again for secondary treatment, a planting farmer extracts the black water for secondary utilization in a large-scale orchard, a sugarcane garden, a mulberry garden, a rice field and the like, and the redundant black water passes through an overflow pipe and then passes through the tail-end artificial wetland for secondary purification treatment;
s6, cleaning and maintaining the motor, when the settled sand in the grey water tank and the black water tank needs to be cleaned, the length of the threaded hole at the position of the second screw rod is changed by driving the second screw rod to rotate, so that the clamping plate moves upwards, the bottom end of the clamping plate is separated from the second positioning groove, the limit relation between the rotary cover plate and the sand box is removed, the rotary cover plate is further driven to rotate, the oil separation plate is moved out of the grey water tank, the oil separation plate is prevented from obstructing sand removal, the settled sand at two sides in the grey water tank and the black water tank is further cleaned, one end of the limiting plate is separated from the clamping groove by driving the second movable plate to move, the limitation on the position of the side plate is removed, the stretching spring is in a stretching state, the first fixing plate and the side plate are further moved upwards, the bottom end of the side plate is separated from the slot, the positioning column is separated from the second fixing plate, the motor can be removed, and the motor can be maintained and maintained, when the one end of limiting plate breaks away from the draw-in groove, the picture peg removes to the top of first locating groove, and then the bottom of picture peg inserts first locating groove for the limiting plate is fixed, need not stimulate the second fly leaf always, and the stopper is located the below of limiting plate, through the stopper that sets up, avoids the picture peg to break away from first through-hole.
Compared with the prior art, the invention has the beneficial effects that:
(1) during work, the two-way screw rod is driven to rotate by the worm gear through the arranged sand sediment box, the ash water tank, the black water tank, the two-way screw rod, the first bearing, the first movable plate, the flexible scraping plates, the control cavity, the first drainage pipe, the second bearing, the worm gear, the worm, the motor and the partition plate, so that the two first movable plates move in different directions, and the two flexible scraping plates scrape the sand sediment in the ash water tank and the black water tank to two sides respectively, thereby facilitating later cleaning;
(2) through the rotary cover plate, the third fixing plate, the first screw rod, the thread groove, the fifth bearing, the third fixing disc and the first handle, the third fixing disc drives the first screw rod to rotate by driving the first handle to rotate, the length of the first screw rod in the thread groove is changed, the height of the oil separation plate is further adjusted, and the position of the oil separation plate can be adjusted according to the amount of grey water;
(3) when the sand sediment in the grey water tank and the black water tank needs to be cleaned, the length in the threaded hole of the second screw rod is changed by driving the second screw rod to rotate, and the clamping plate is moved upwards, so that the bottom end of the clamping plate is separated from the second positioning groove, the limit relation between the rotary cover plate and the sand sediment tank is removed, the rotary cover plate is driven to rotate, the oil separation plate is moved out of the grey water tank, the oil separation plate is prevented from obstructing sand removal, and the sand sediment at two sides in the grey water tank and the black water tank is cleaned;
(4) the utility model discloses a motor, including a motor, a first fixed plate, a side plate, rotatory apron, the slot, a separation plate, swivelling joint spare and anticreep piece, remove through drive second fly leaf, make the one end of limiting plate break away from the draw-in groove, remove the injecing to the curb plate position, extension spring is in tensile state, and then shift up first fixed plate and curb plate, make the bottom of curb plate break away from the slot, and then make the reference column break away from the second fixed disk, can accomplish demolising of motor, can maintain the maintenance to the motor, when the one end of limiting plate breaks away from the draw-in groove, the picture peg removes to the top of first locating groove, and then the bottom of picture peg inserts first locating groove, make the limiting plate fixed, need not spur the second fly leaf all the time, and the stopper is located the below of limiting plate, through the stopper that sets up, avoid the picture peg to break away from first through-hole.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of a sand box according to the present invention;
FIG. 2 is a schematic view of the oil baffle of the present invention;
FIG. 3 is a schematic view of a portion of the enlarged structure at A in FIG. 1;
FIG. 4 is a schematic view of the sectional structure of the caisson of the present invention;
FIG. 5 is a schematic view of a portion of the enlarged structure at B in FIG. 4;
FIG. 6 is a schematic view of a two-way screw according to the present invention;
FIG. 7 is a schematic view of the anti-separation member of the present invention;
FIG. 8 is a schematic view of a process flow of the present invention;
FIG. 9 is a second schematic view of the process flow structure of the present invention;
in the figure: 1. a sand box; 2. a grey water tank; 3. a black water tank; 4. a bidirectional screw rod; 5. a first bearing; 6. a first movable plate; 7. a flexible scraper; 8. a control chamber; 9. a first drain pipe; 10. a second drain pipe; 11. a second bearing; 12. a worm gear; 13. a worm; 14. a third bearing; 15. a fourth bearing; 16. a motor; 17. a first fixing plate; 18. a side plate; 19. rotating the cover plate; 20. an oil removal plate; 21. a hinge; 22. a slot; 23. a card slot; 24. a second fixing plate; 25. a second movable plate; 26. a limiting plate; 27. an extension spring; 28. inserting plates; 29. a first through hole; 30. a baffle plate; 31. a first positioning groove; 32. a limiting groove; 33. a limiting block; 34. a first fixed disk; 35. a second fixed disk; 36. a positioning column; 37. a third fixing plate; 38. a first lead screw; 39. a thread groove; 40. a fifth bearing; 41. a third fixed disk; 42. a first handle; 43. a fixed mount; 44. a second lead screw; 45. clamping a plate; 46. a sixth bearing; 47. a second through hole; 48. a second positioning groove; 49. a threaded hole; 50. a second handle; 51. a separator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the first embodiment, as shown in fig. 1 to 7, the invention comprises a three-grid septic tank, a grid sedimentation tank and a sand settling device, wherein the sand settling device comprises a sand settling tank 1, a partition plate 51 is arranged in the sand settling tank 1, a grey water tank 2 and a black water tank 3 are respectively arranged at two sides of the partition plate 51, a two-way screw rod 4 is arranged in the sand settling tank 1, a control chamber 8 is arranged in the partition plate 51, two ends of the two-way screw rod 4 are connected with the inner wall of the sand settling tank 1 through a first bearing 5, a first movable plate 6 is arranged in the grey water tank 2 and the black water tank 3, a plurality of flexible scraping plates 7 are arranged at the bottom of the first movable plate 6, the two-way screw rod 4 penetrates through the two first movable plates 6 and the partition plate 51, the two-way screw rod 4 is in threaded connection with the first movable plate 6, the penetrating part of the two-way screw rod 4 and the partition plate 51 passes through a second bearing 11, a first drainage pipe 9 and a second drainage pipe 10 are arranged on the sand settling tank 1, a rotary driving component is arranged on the two-way screw rod 4, the sand sediment box 1 is provided with an oil separation component matched with the grey water tank 2;
the rotary driving assembly comprises a worm 13 arranged in the control chamber 8, a worm wheel 12 positioned in the control chamber 8 is sleeved on the bidirectional screw rod 4, the worm wheel 12 is fixedly connected with the bidirectional screw rod 4, the bottom end of the worm 13 is connected with the inner wall of the bottom of the control chamber 8 through a third bearing 14, the top end of the worm 13 penetrates through a partition plate 51, a fourth bearing 15 is arranged at the penetrating position of the worm 13 and the partition plate 51, a motor 16 is arranged above the worm 13, the motor 16 is connected with the worm 13 through a rotary connecting piece, the top of the motor 16 is fixedly connected with a first fixing plate 17, the bottom of the first fixing plate 17 is fixedly connected with two side plates 18, two slots 22 are formed in the top of the partition plate 51, the bottom ends of the side plates 18 are positioned in the slots 22, and anti-falling pieces matched with the side plates 18 are arranged on the partition plate 51;
the oil removal subassembly is including setting up in the rotatory apron 19 at 1 top of sand box, one side of rotatory apron 19 is connected through a plurality of hinges 21 with one side of sand box 1, be equipped with oil removal board 20 in grey water groove 2, oil removal board 20 and rotatory apron 19 are connected through oil removal regulating part, rotatory apron 19 and sand box 1 are connected through preventing rotating the piece, rotate through two-way lead screw 4 of worm wheel 12 drive, make two first fly leaf 6 incongruous removal, make two flexible scraper blades 7 scrape the silt in grey water groove 2 and black water groove 3 to both sides respectively, the later stage clearance of being convenient for.
In the second embodiment, based on the first embodiment, as shown in fig. 4, 5, 6 and 7, the anti-disengaging member includes a slot 23 opened on one side of the side plates 18, a second fixing plate 24 is disposed on both sides of the two side plates 18 away from each other, the second fixing plate 24 is fixedly connected to a partition 51, a second movable plate 25 is disposed on one side of the second fixing plate 24 away from the side plates 18, a position-limiting plate 26 is fixedly connected to one side of the second movable plate 25 close to the second fixing plate 24, the position-limiting plate 26 penetrates through the second fixing plate 24, one end of the position-limiting plate 26 is located in the slot 23, the second movable plate 25 is connected to the second fixing plate 24 through a plurality of tension springs 27, a position-limiting fastener matched with the partition 51 is disposed on the position-limiting plate 26, the position-limiting fastener includes a first through hole 29 opened on the top of the position-limiting plate 26, an inserting plate 28 is disposed in the first through hole 29, the top of the inserting plate 28 is fixedly connected to a baffle 30 located above the position-limiting plate 26, the top of the partition plate 51 is provided with two first positioning grooves 31, the inner walls of the two sides of each first positioning groove 31 are provided with limiting grooves 32, the inner wall of the top of each limiting groove 32 is communicated with the top of the partition plate 51, the two sides of the inserting plate 28 are fixedly connected with limiting blocks 33, the rotary connecting piece comprises a first fixing plate 34 arranged at the bottom end of the motor 16, the bottom of the first fixing plate 34 is provided with a second fixing plate 35, the top of the worm 13 is fixedly connected with the bottom of the second fixing plate 35, the bottom of the first fixing plate 34 is fixedly connected with a plurality of positioning columns 36, and the positioning columns 36 penetrate through the second fixing plate 35;
through the drive second fly leaf 25 removal, make the one end of limiting plate 26 break away from draw-in groove 23, remove the injecing to curb plate 18 position, extension spring 27 is in tensile state, and then shift up first fixed plate 17 and curb plate 18, make the bottom of curb plate 18 break away from slot 22, and then make reference column 36 break away from second fixed disk 35, can accomplish dismantling of motor 16, can maintain motor 16 and overhaul, when the one end of limiting plate 26 breaks away from draw-in groove 23, picture peg 28 removes to the top of first constant head tank 31, and then the bottom of picture peg 28 inserts in first constant head tank 31, make limiting plate 26 fixed, need not spur second fly leaf 25 all the time, and stopper 33 is located the below of limiting plate 26, through the stopper 33 that sets up, avoid picture peg 28 to break away from first through-hole 29.
Third embodiment, based on the first embodiment, as shown in fig. 1 and fig. 2, the oil separation adjusting member includes two third fixing plates 37 disposed on one side of the rotating cover plate 19, one side of the third fixing plates 37 is fixedly connected to one side of the rotating cover plate 19, a third fixing plate 41 is disposed on the top of the third fixing plates 37, a first lead screw 38 is fixedly connected to the bottom of the third fixing plate 41, the first lead screw 38 penetrates through the third fixing plates 37, a fifth bearing 40 is disposed at the penetrating position of the first lead screw 38 and the third fixing plates 37, two thread grooves 39 are disposed on the top of the oil separation plate 20, the bottom end of the first lead screw 38 is located in the thread groove 39, and two first handles 42 are fixedly connected to the top of the third fixing plate 41;
the third fixed disc 41 drives the first screw rod 38 to rotate by driving the first handle 42 to rotate, the length of the first screw rod 38 in the thread groove 39 is changed, the height of the oil separation plate 20 is further adjusted, and the position of the oil separation plate 20 can be adjusted according to the amount of grey water.
In the fourth embodiment, based on the first embodiment, as shown in fig. 1, 2, 3, and 4, the rotation preventing member includes a fixing frame 43 disposed at the top of the rotating cover plate 19, a second through hole 47 is formed at the top of the rotating cover plate 19, a clamping plate 45 is disposed in the second through hole 47, a second positioning groove 48 is formed at the top of the sand box 1, the bottom end of the clamping plate 45 is located in the second positioning groove 48, a threaded hole 49 is formed at the top of the clamping plate 45, a second screw 44 is disposed in the threaded hole 49, the top end of the second screw 44 extends above the rotating cover plate 19, the top end of the second screw 44 is connected to the fixing frame 43 through a sixth bearing 46, a second handle 50 is disposed on the second screw 44, and the fixing frame 43 has an L-shaped structure;
the second screw rod 44 is driven to rotate through the second handle 50, the length of the threaded hole 49 of the second screw rod 44 is changed, the clamping plate 45 is made to move upwards, the bottom end of the clamping plate 45 is made to be separated from the second positioning groove 48, the limiting relation between the rotary cover plate 19 and the sand sediment box 1 is removed, the rotary cover plate 19 is driven to rotate, the oil separation plate 20 is made to move out of the grey water tank 2, the oil separation plate 20 is prevented from obstructing sand removal, and then the sand sediment on two sides in the grey water tank 2 and the black water tank 3 is cleaned.
As shown in FIG. 8 and FIG. 9, a process flow for treating rural black ash sewage comprises the following steps:
s1, performing preliminary treatment on black water, namely performing primary treatment on the toilet black water through anaerobic fermentation of a three-grid septic tank, and drawing the black water in the third grid of the three-grid septic tank for a farmer to use in a micro vegetable garden and a micro orchard in front of and behind a house;
s2, primary treatment of grey water, namely, primary treatment of bathing grey water, kitchen grey water and washing grey water in a grid sedimentation tank, and secondary treatment of the treated grey water in a courtyard type artificial wetland;
s3, carrying out desilting treatment, wherein black water which is not utilized in the third grid of the three-grid septic tank enters a desilting device through a black water pipe for treatment, gray water which is subjected to secondary treatment through the courtyard type artificial wetland enters a desilting box through a gray water pipe for treatment, oil separation treatment is carried out at the same time, the black water and the gray water are separately collected and separately treated by the black water pipe and the gray water pipe, and the black water and the gray water are separated and do not mix with each other;
s4, adjusting the oil separation plate 20 and scraping and pushing deposited sand, driving the first handle 42 to rotate, enabling the third fixed disc 41 to drive the first screw rod 38 to rotate, changing the length of the first screw rod 38 in the threaded groove 39, further adjusting the height of the oil separation plate 20, adjusting the position of the oil separation plate 20 according to the amount of grey water, driving the worm 13 to rotate through the motor 16, further driving the bidirectional screw rod 4 to rotate through the worm wheel 12, enabling the two first movable plates 6 to move in opposite directions, enabling the two flexible scraping plates 7 to respectively scrape the deposited sand in the grey water tank 2 and the black water tank 3 to two sides, and facilitating later-stage cleaning;
s5, purifying, wherein the grey water after precipitation treatment passes through a grey water pipe and then passes through the tail-end artificial wetland for secondary purification treatment, the grey water is discharged after reaching the standard, black water which is not completely utilized after precipitation treatment passes through a black water pipeline and is collected into a three-grid septic tank again for secondary treatment, a planting farmer extracts the black water for secondary utilization in a large-scale orchard, a sugarcane garden, a mulberry garden, a rice field and the like, and the redundant black water passes through an overflow pipe and then passes through the tail-end artificial wetland for secondary purification treatment;
s6, cleaning settled sand and maintaining the motor 16, when the settled sand in the grey water tank 2 and the black water tank 3 needs to be cleaned, the second screw rod 44 is driven to rotate, the length of the second screw rod 44 in the threaded hole 49 is changed, the clamping plate 45 moves upwards, the bottom end of the clamping plate 45 is separated from the second positioning groove 48, the limit relation between the rotary cover plate 19 and the settling box 1 is released, the rotary cover plate 19 is driven to rotate, the oil baffle plate 20 is moved out of the grey water tank 2, the oil baffle plate 20 is prevented from hindering sand removal, the settled sand on two sides in the grey water tank 2 and the black water tank 3 is cleaned, one end of the limiting plate 26 is separated from the clamping groove 23 by driving the second movable plate 25 to move, the limit on the position of the side plate 18 is released, the tension spring 27 is in a tension state, the first fixing plate 17 and the side plate 18 move upwards, and the bottom end of the side plate 18 is separated from the slot 22, and then make reference column 36 break away from second fixed disk 35, can accomplish dismantling of motor 16, can maintain motor 16 and overhaul, when the one end of limiting plate 26 breaks away from draw-in groove 23, picture peg 28 removes to the top of first constant head tank 31, and then the bottom of picture peg 28 inserts in first constant head tank 31, make limiting plate 26 fixed, need not stimulate second fly leaf 25 all the time, and stopper 33 is located the below of limiting plate 26, through the stopper 33 that sets up, avoid picture peg 28 to break away from first through-hole 29.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a rural black ash system for sewage treatment, includes three manure pits, grid sedimentation tank and desilting equipment, its characterized in that: the sand settling equipment comprises a sand settling tank (1), a partition plate (51) is arranged in the sand settling tank (1), a grey water tank (2) and a black water tank (3) are respectively arranged on two sides of the partition plate (51), a two-way lead screw (4) is arranged in the sand settling tank (1), a control chamber (8) is arranged in the partition plate (51), two ends of the two-way lead screw (4) are connected with the inner wall of the sand settling tank (1) through first bearings (5), first movable plates (6) are respectively arranged in the grey water tank (2) and the black water tank (3), a plurality of flexible scraping plates (7) are arranged at the bottom of each first movable plate (6), the two-way lead screw (4) penetrates through the two first movable plates (6) and the partition plate (51), the two-way lead screw (4) is in threaded connection with the first movable plates (6), the penetrating position of the two-way lead screw (4) and the partition plate (51) passes through a second bearing (11), a first drainage pipe (9) and a second drainage pipe (10) are arranged on the sand settling tank (1), the bidirectional screw rod (4) is provided with a rotary driving assembly for connection, and the sand box (1) is provided with an oil separation assembly matched with the ash water tank (2);
the rotary driving assembly comprises a worm (13) arranged in a control chamber (8), a worm wheel (12) arranged in the control chamber (8) is sleeved on a bidirectional screw rod (4), the worm wheel (12) is fixedly connected with the bidirectional screw rod (4), the bottom end of the worm (13) is connected with the inner wall of the bottom of the control chamber (8) through a third bearing (14), a partition plate (51) is penetrated through the top end of the worm (13), a fourth bearing (15) is arranged at the penetrating position of the worm (13) and the partition plate (51), a motor (16) is arranged above the worm (13), the motor (16) is connected with the worm (13) through a rotary connecting piece, a first fixing plate (17) is fixedly connected to the top of the motor (16), two side plates (18) are fixedly connected to the bottom of the first fixing plate (17), two slots (22) are formed in the top of the partition plate (51), and the bottom ends of the side plates (18) are positioned in the slots (22), the clapboard (51) is provided with an anti-falling part matched with the side plate (18);
the oil separation assembly comprises a rotary cover plate (19) arranged at the top of the sand settling box (1), one side of the rotary cover plate (19) is connected with one side of the sand settling box (1) through a plurality of hinges (21), an oil separation plate (20) is arranged in the ash water tank (2), the oil separation plate (20) is connected with the rotary cover plate (19) through an oil separation adjusting part, and the rotary cover plate (19) is connected with the sand settling box (1) through an anti-rotating part.
2. The rural black ash sewage treatment system according to claim 1, wherein: the anti-drop piece is including seting up draw-in groove (23) in curb plate (18) one side, one side that curb plate (18) kept away from mutually all is equipped with second fixed plate (24) for two curb plates (18), second fixed plate (24) and baffle (51) fixed connection, one side that curb plate (18) were kept away from in second fixed plate (24) is equipped with second fly leaf (25), one side fixedly connected with limiting plate (26) that second fly leaf (25) are close to second fixed plate (24), limiting plate (26) run through second fixed plate (24), and the one end of limiting plate (26) is located draw-in groove (23), second fly leaf (25) and second fixed plate (24) are connected through a plurality of extension spring (27), be equipped with on limiting plate (26) with baffle (51) matched with spacing fastener.
3. The rural black ash sewage treatment system according to claim 2, wherein: the limiting clamping piece comprises a first through hole (29) formed in the top of the limiting plate (26), an inserting plate (28) is arranged in the first through hole (29), the top of the inserting plate (28) is fixedly connected with a baffle (30) located above the limiting plate (26), and two first positioning grooves (31) are formed in the top of the partition plate (51).
4. The rural black ash sewage treatment system according to claim 3, wherein: spacing groove (32) have all been seted up to the both sides inner wall of first locating groove (31), and the top inner wall of spacing groove (32) is linked together with the top of baffle (51), the equal fixedly connected with stopper (33) in both sides of picture peg (28).
5. The rural black ash sewage treatment system according to claim 1, wherein: the rotary connecting piece comprises a first fixing disc (34) arranged at the bottom end of the motor (16), a second fixing disc (35) is arranged at the bottom of the first fixing disc (34), the top of the worm (13) is fixedly connected with the bottom of the second fixing disc (35), a plurality of positioning columns (36) are fixedly connected with the bottom of the first fixing disc (34), and the positioning columns (36) penetrate through the second fixing disc (35).
6. The rural black ash sewage treatment system according to claim 1, wherein: the oil removal regulating part comprises two third fixing plates (37) arranged on one side of a rotary cover plate (19), one side of each third fixing plate (37) is fixedly connected with one side of the rotary cover plate (19), a third fixing plate (41) is arranged at the top of each third fixing plate (37), a first lead screw (38) is fixedly connected to the bottom of each third fixing plate (41), the first lead screw (38) penetrates through the third fixing plates (37), a fifth bearing (40) is arranged at the penetrating position of each first lead screw (38) and the corresponding third fixing plate (37), and two thread grooves (39) are formed in the top of the oil removal plate (20).
7. The rural black ash sewage treatment system according to claim 6, wherein: the bottom end of the first screw rod (38) is positioned in the thread groove (39), and the top of the third fixed disc (41) is fixedly connected with two first handles (42).
8. The rural black ash sewage treatment system according to claim 1, wherein: prevent that rotating part is including setting up in mount (43) at rotatory apron (19) top, second through-hole (47) have been seted up at the top of rotatory apron (19), be equipped with cardboard (45) in second through-hole (47), second constant head tank (48) have been seted up at the top of sandbox (1), the bottom of cardboard (45) is located second constant head tank (48), screw hole (49) have been seted up at the top of cardboard (45), be equipped with second lead screw (44) in screw hole (49), the top of second lead screw (44) extends to the top of rotatory apron (19), and the top of second lead screw (44) is connected through sixth bearing (46) with mount (43).
9. The rural black ash sewage treatment system according to claim 8, wherein: the second screw rod (44) is provided with a second handle (50), and the fixing frame (43) is of an L-shaped structure.
10. A process flow for rural black ash sewage treatment is characterized by comprising the following steps:
s1, performing preliminary treatment on black water, namely performing primary treatment on the toilet black water through anaerobic fermentation of a three-grid septic tank, and drawing the black water in the third grid of the three-grid septic tank for a farmer to use in a micro vegetable garden and a micro orchard in front of and behind a house;
s2, primary treatment of grey water, namely, primary treatment of bathing grey water, kitchen grey water and washing grey water in a grid sedimentation tank, and secondary treatment of the treated grey water in a courtyard type artificial wetland;
s3, carrying out desilting treatment, wherein black water which is not utilized in the third grid of the three-grid septic tank enters a desilting device through a black water pipe for treatment, gray water which is subjected to secondary treatment through the courtyard type artificial wetland enters a desilting box through a gray water pipe for treatment, oil separation treatment is carried out at the same time, the black water and the gray water are separately collected and separately treated by the black water pipe and the gray water pipe, and the black water and the gray water are separated and do not mix with each other;
s4, adjusting the oil separation plate (20) and scraping and pushing deposited sand, driving a first handle (42) to rotate, enabling a third fixed disc (41) to drive a first screw rod (38) to rotate, changing the length of the first screw rod (38) in a threaded groove (39), further adjusting the height of the oil separation plate (20), adjusting the position of the oil separation plate (20) according to the amount of grey water, driving a worm (13) to rotate through a motor (16), further driving a bidirectional screw rod (4) to rotate through a worm wheel (12), and enabling two first movable plates (6) to move in different directions, so that two flexible scraping plates (7) scrape the deposited sand in the grey water tank (2) and the black water tank (3) to two sides respectively, and facilitating later-stage cleaning;
s5, purifying, wherein the grey water after precipitation treatment passes through a grey water pipe and then passes through the tail-end artificial wetland for secondary purification treatment, the grey water is discharged after reaching the standard, black water which is not completely utilized after precipitation treatment passes through a black water pipeline and is collected into a three-grid septic tank again for secondary treatment, a planting farmer extracts the black water for secondary utilization in a large-scale orchard, a sugarcane garden, a mulberry garden, a rice field and the like, and the redundant black water passes through an overflow pipe and then passes through the tail-end artificial wetland for secondary purification treatment;
s6, cleaning settled sand and maintaining a motor (16), when the settled sand in the grey water tank (2) and the black water tank (3) needs to be cleaned, the second screw rod (44) is driven to rotate, the length of the second screw rod (44) in the threaded hole (49) is changed, the clamping plate (45) moves upwards, so that the bottom end of the clamping plate (45) is separated from the second positioning groove (48), the limit relation between the rotary cover plate (19) and the sand box (1) is removed, the rotary cover plate (19) is driven to rotate, the oil separation plate (20) is moved out from the grey water tank (2), the oil separation plate (20) is prevented from obstructing sand removal, the settled sand on the two sides in the grey water tank (2) and the black water tank (3) is cleaned, the second movable plate (25) is driven to move, one end of the limiting plate (26) is separated from the clamping groove (23), and the limitation on the position of the side plate (18) is removed, extension spring (27) are in tensile state, and then move up first fixed plate (17) and curb plate (18), make the bottom of curb plate (18) break away from slot (22), and then make reference column (36) break away from second fixed disk (35), can accomplish dismantling of motor (16), can maintain motor (16), when the one end of limiting plate (26) breaks away from draw-in groove (23), picture peg (28) remove to the top of first locating slot (31), and then the bottom of picture peg (28) inserts in first locating slot (31), make limiting plate (26) fixed, need not spur second fly leaf (25) all the time, and stopper (33) are located the below of limiting plate (26), stopper (33 through setting, avoid picture peg (28) to break away from first through-hole (29).
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