CN212246658U - Courtyard type domestic sewage treatment system - Google Patents
Courtyard type domestic sewage treatment system Download PDFInfo
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- CN212246658U CN212246658U CN202020423955.9U CN202020423955U CN212246658U CN 212246658 U CN212246658 U CN 212246658U CN 202020423955 U CN202020423955 U CN 202020423955U CN 212246658 U CN212246658 U CN 212246658U
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Abstract
The utility model relates to a courtyard type domestic sewage treatment system, which comprises a sedimentation tank, a buffer tank, a wetland water tank and a clean water tank which are sequentially communicated from front to back, wherein the upper part in the sedimentation tank is fixedly connected with a grid plate, the grid plate is provided with a cleaning device for cleaning sundries on the grid plate, the bottom of the sedimentation tank is provided with a precipitate collecting device so as to discharge precipitates, and the bottom of the sedimentation tank is also provided with a stirring and scraping device for scraping the precipitates; an anaerobic treatment device is arranged in the buffer tank, and an aerobic biological treatment device is arranged in the wetland water tank; domestic sewage enters the sedimentation tank, flows through the buffer tank, the wetland water tank and the clean water tank in sequence and finally flows out. Has the advantages that: is convenient for cleaning sundries and sediments, is suitable for rural natural environment, has good removal effect, small occupied area, low investment, low energy consumption and simple and convenient management, and can effectively improve the current rural water pollution situation.
Description
Technical Field
The utility model relates to a sewage treatment plant especially relates to a courtyard formula sewage treatment system.
Background
In recent years, the country continuously increases the investment of new rural construction, the creation and popularization rate of ecological villages increases year by year, and the new rural appearance is brand new. In the case of vast rural domestic sewage, especially distributed diffusion and single-family sewage treatment, large and medium-scale sewage treatment processes and design parameters cannot be used and carried along to avoid the situation of overhigh engineering investment and operation and maintenance cost.
Therefore, aiming at the vast rural areas, the method seeks a sewage treatment process which is convenient for clearing sundries and sediments, suitable for rural natural environment, good in removing effect, small in occupied area, low in investment, low in energy consumption and simple and convenient to manage, and improves the current rural water pollution situation, and becomes a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a courtyard formula sewage treatment system is provided to solve above-mentioned problem.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a courtyard type domestic sewage treatment system comprises a sedimentation tank, a buffer tank, a wetland water tank and a clean water tank which are sequentially communicated from front to back, wherein a grid plate is fixedly connected to the upper part in the sedimentation tank, a cleaning device for cleaning sundries on the grid plate is arranged on the grid plate, a sediment collecting device is arranged at the bottom of the sedimentation tank so as to discharge sediments conveniently, and a stirring and scraping device for scraping the sediments is also arranged at the bottom of the sedimentation tank; an anaerobic treatment device is arranged in the buffer tank, and an aerobic biological treatment device is arranged in the wetland water tank; domestic sewage enters the sedimentation tank, flows through the buffer tank, the wetland water tank and the clean water tank in sequence and finally flows out.
The utility model has the advantages that: the grating plate, the sedimentation tank, the anaerobic treatment device and the aerobic biological treatment device are arranged, so that the sewage purification effect is good; a sediment collecting device is arranged at the bottom of the sedimentation tank so as to discharge sediment; the grid plate is provided with a cleaning device for cleaning sundries on the grid plate; the bottom of the sedimentation tank is also provided with a stirring and scraping device for scraping sediment. In conclusion, the device is convenient to clean impurities and sediments, is suitable for rural natural environment, has good removal effect, small occupied area, low investment and energy consumption and simple and convenient management, and can effectively improve the current rural water pollution situation.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the cleaning device comprises a sundry sweeping part and a sundry cleaning part; the sundry sweeping part comprises a sundry sweeping plate and a sundry sweeping rod, the sundry sweeping plate is vertically arranged above the grid plate in the sedimentation tank, the bottom of the sundry sweeping plate is abutted against the top of the grid plate, the sundry sweeping rod is horizontally arranged, one end of the sundry sweeping rod is fixedly connected with one side of the sundry sweeping plate, the other end of the sundry sweeping rod penetrates out of the side wall of the sedimentation tank, and the sundry sweeping rod can drive the sundry sweeping plate to move in the horizontal direction so as to push sundries on the grid plate to the sundry cleaning part; the utility model discloses a debris cleaning device, including debris clearance portion, debris clearance pole and debris clearance pivot, debris clearance portion includes debris clearance platform, debris clearance pole and debris clearance pivot, the bottom of debris clearance platform with the upper surface butt of grid plate, the vertical setting of top fixedly connected with of debris clearance platform the debris clearance pole, debris clearance pivot horizontally fixed connection in the sedimentation tank, debris clearance pivot is passed the debris clearance pole, the debris clearance pole can wind the central axis swing of debris clearance pivot and with debris in the debris clearance portion are poured, the sedimentation tank top is close to the square groove has been seted up to one side of debris clearance platform to so that the debris clearance platform swing extremely stretch out the sedimentation tank.
Adopt above-mentioned further scheme's beneficial effect be, sweep debris pole and can drive sweep debris board and move in the horizontal direction in order to with debris on the grid plate push away to debris clearance portion, debris clearance pole can wind the central axis swing of debris clearance pivot to drive debris clearance portion swing to stretching out the sedimentation tank, will debris in the debris clearance portion are poured.
Furthermore, the sundries cleaning table is composed of a vertical plate and a horizontal plate fixedly connected with the vertical plate, the lower surface of the horizontal plate is arranged horizontally, the upper surface of the horizontal plate is arranged obliquely, and the intersecting line of the upper surface and the lower surface of the horizontal plate is positioned at one side close to the sundries sweeping plate.
Adopt above-mentioned further scheme's beneficial effect is, the upper surface of horizontal plate sets up for the slope, the upper surface of horizontal plate is located with the intersect of lower surface and is close to sweep one side of debris board, such structure more is convenient for sweep debris board with debris on the grid plate pushes away to the horizontal plate on.
Furthermore, a sundries cleaning handle is fixedly connected to the top end of the sundries cleaning rod.
Adopt above-mentioned further scheme's beneficial effect is that debris clearance handle is convenient for the swing of manual operation debris clearance pivot and debris clearance portion.
Further, the sediment collecting device comprises a conical section, an outlet section and an outlet end cover, wherein the conical section is in the shape of a conical cylinder with two open ends and a wide upper part and a narrow lower part, the outlet section is in the shape of a cylindrical cylinder with two open ends, the upper end and the lower end of the conical section are fixedly connected and communicated with the bottom of the sedimentation tank and the top of the outlet section respectively, the diameter of the inner side of the upper end of the conical section is the same as that of the inner side of the sedimentation tank, and the diameter of the inner side of the lower end of the conical section is the same as that of the inner side of the outlet section; the inner peripheral side wall of the outlet end cover is in threaded connection with the outer periphery of the outlet section.
The beneficial effect who adopts above-mentioned further scheme is that, the sedimentation tank bottom sets up cone section and outlet section respectively, is favorable to the deposit gathering in the middle part position of sedimentation tank bottom, and the clearance of the deposit of being convenient for can be cleared up by unscrewing outlet end cover.
Furthermore, a plurality of outlet end cover handles are fixedly connected to the periphery of the outlet end cover at even intervals; the periphery of the bottom of the sedimentation tank is fixedly connected with a plurality of vertically arranged pillars at even intervals.
The outlet end cover handle is arranged to facilitate people to unscrew or screw the outlet end cover without entering the bottom of the sedimentation tank; the provision of the struts leaves sufficient operating space below the outlet end cap.
Further, the stirring and scraping device comprises a stirring and scraping part and a stirring and scraping base plate, wherein the stirring and scraping base plate is horizontally arranged, and two sides of the stirring and scraping base plate are fixedly connected to the inner side wall of the outlet section; the stirring and scraping part comprises a stirring and scraping rotating shaft, a top horizontal rod, a stirring scraper blade, a bottom horizontal rod, a stirring and scraping handle and a positioning ring, the stirring and scraping rotating shaft vertically penetrates through the stirring and scraping substrate and is rotationally connected with the stirring and scraping substrate, the stirring and scraping rotating shaft can rotate around the central axis of the stirring and scraping rotating shaft, one end of the top horizontal rod is fixedly connected to the top end of the stirring and scraping rotating shaft, the other end of the top horizontal rod is fixedly connected with the bottom of the stirring scraper blade, one side of the stirring scraper blade is attached to the inner side wall of the conical section, one end of the bottom horizontal rod is fixedly connected to the bottom end of the stirring and scraping rotating shaft, and the other end of the bottom horizontal rod is fixedly connected with the stirring and; the positioning ring is fixedly connected to the periphery of the stirring and scraping rotating shaft, the bottom of the positioning ring is abutted against the top of the stirring and scraping base plate, the periphery of the stirring and scraping rotating shaft is further in threaded connection with a positioning nut, and the positioning nut is located below the stirring and scraping base plate; the bottom horizontal rod and the stirring and scraping handle are both positioned in the outlet end cover.
Adopt above-mentioned further scheme's beneficial effect is, promote to stir and scrape the handle and be circular motion, can drive to stir and scrape the pivot and rotate around its self central axis, and then drive and stir the inside wall that the scraper blade is pasting circular cone section and rotate and scrape the inside wall of circular cone section, stir the deposit pine of circular cone section on the one hand and be convenient for fall from the export section, on the other hand can scrape the deposit attached to on the inside wall of circular cone section and fall.
Further, anaerobic treatment device includes anaerobic jar, anaerobic jar fixed connection in the buffer pool, be equipped with anaerobic jar inlet tube and anaerobic jar outlet pipe on the anaerobic jar respectively, water via in the buffer pool the anaerobic jar inlet tube gets into anaerobic jar and take place anaerobic reaction after follow anaerobic jar outlet pipe flows extremely in the wetland water tank.
The beneficial effect of adopting above-mentioned further scheme is that, sewage gets into anaerobic jar and takes place anaerobic reaction and flows out, plays the effect of purifying sewage.
Further, the aerobic biological treatment device comprises a plurality of plant plates and a plurality of plants, the plant plates are fixedly connected in the wetland water tank at intervals along the vertical direction, and the plant plates are uniformly provided with a plurality of plants at intervals.
Adopt the beneficial effect of above-mentioned further scheme to carry out oxidation reaction to sewage by the plant, further purify sewage.
Furthermore, a water inlet pipe is communicated with one side of the upper part of the sedimentation tank and is positioned above the grid plate, the sedimentation tank is communicated with the buffer tank through a water outlet pipe of the sedimentation tank, the wetland water tank is communicated with the clean water tank through a water outlet pipe of the wetland water tank, and a water outlet pipe is communicated with one side of the clean water tank; and a flushing water pipe is further communicated with the side wall of the sedimentation tank and is positioned below the grating plate, and the water outlet end of the flushing water pipe points to the bottom of the sedimentation tank.
The water inlet pipe is positioned above the grating plate, so that the water flowing in is firstly filtered by the grating plate; the water outlet end of the flushing water pipe points to the bottom of the sedimentation tank, and can play a role in flushing when sediment is cleaned.
Drawings
FIG. 1 is a schematic structural view of a courtyard-type domestic sewage treatment system provided by the present invention;
FIG. 2 is an enlarged view of a portion of the debris removal portion of the yard-type sanitary sewage treatment system shown in FIG. 1;
FIG. 3 is an enlarged partial cross-sectional view of a scraping apparatus of the patio style domestic sewage treatment system of FIG. 1;
FIG. 4 is a top view of the scraping apparatus of the patio style sanitary sewage treatment system of FIG. 3.
In the drawings, the components represented by the respective reference numerals are listed below:
1. sedimentation tank, 2, buffer tank, 3, wetland water tank, 4, clear water tank, 5, grating plate, 6, sundries sweeping part, 61, sundries sweeping plate, 62, sundries sweeping rod, 7, sundries cleaning part, 71, sundries cleaning platform, 72, sundries cleaning rod, 73, sundries cleaning rotating shaft, 74, sundries cleaning handle, 8, conical section, 9, stirring part, 91, stirring rotating shaft, 92, top horizontal rod, 93, stirring scraper, 94, bottom horizontal rod, 95, stirring scraper handle, 96, positioning ring, 97, positioning nut, 10, stirring base plate, 11, outlet section, 12, outlet end cover, 13, outlet end cover handle, 14, support, 15, water inlet pipe, 16, sedimentation tank water outlet pipe, 17, anaerobic tank water outlet pipe, 18, anaerobic tank water outlet pipe, 19, water outlet pipe, 20, plant plate, 21, plant, 22, wetland oxygen tank, 23, anaerobic tank water inlet pipe, 24, plant, anaerobic tank water outlet pipe, 24, plant, 23, anaerobic tank water outlet pipe, 19, plant plate, water outlet pipe, And (5) flushing the water pipe.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1-4, a courtyard-type domestic sewage treatment system comprises a sedimentation tank 1, a buffer tank 2, a wetland water tank 3 and a clean water tank 4 which are sequentially communicated from front to back, wherein a grid plate 5 is fixedly connected to the upper part in the sedimentation tank 1, a cleaning device for cleaning impurities on the grid plate 5 is arranged on the grid plate 5, a sediment collecting device is arranged at the bottom of the sedimentation tank 1 so as to discharge sediment, and a stirring and scraping device is further arranged at the bottom of the sedimentation tank 1 so as to scrape the sediment; an anaerobic treatment device is arranged in the buffer tank 2, and an aerobic biological treatment device is arranged in the wetland water tank 3; domestic sewage enters the sedimentation tank 1 and flows through the buffer tank 2, the wetland water tank 3 and the clean water tank 4 in sequence and finally flows out.
The cleaning device comprises a sundries sweeping part 6 and a sundries cleaning part 7; the sundry sweeping part 6 comprises a sundry sweeping plate 61 and a sundry sweeping rod 62, the sundry sweeping plate 61 is vertically arranged above the grid plate 5 in the sedimentation tank 1, the bottom of the sundry sweeping plate is abutted against the top of the grid plate 5, the sundry sweeping rod 62 is horizontally arranged, one end of the sundry sweeping rod 62 is fixedly connected with one side of the sundry sweeping plate 61, the other end of the sundry sweeping rod 62 penetrates out of the side wall of the sedimentation tank 1, and the sundry sweeping rod 62 can drive the sundry sweeping plate 61 to move in the horizontal direction so as to push sundries on the grid plate 5 to the sundry cleaning part 7; debris clearance portion 7 includes debris clearance platform 71, debris clearance pole 72 and debris clearance pivot 73, debris clearance platform 71 the bottom with the upper surface butt of grid plate 5, the vertical setting of the top fixedly connected with of debris clearance platform 71 debris clearance pole 72, debris clearance pivot 73 horizontally fixed connection in sedimentation tank 1, debris clearance pivot 73 passes debris clearance pole 72, debris clearance pole 72 can wind the central axis swing of debris clearance pivot 73 and with debris in the debris clearance portion 7 are poured out, sedimentation tank 1 top is close to the square groove has been seted up to one side of debris clearance platform 71 to the swing of debris clearance platform 71 is to stretching out sedimentation tank 1.
The sundries cleaning table 71 is composed of a vertical plate and a horizontal plate fixedly connected with the vertical plate, the lower surface of the horizontal plate is horizontally arranged, the upper surface of the horizontal plate is obliquely arranged, and the intersecting line of the upper surface and the lower surface of the horizontal plate is positioned at one side close to the sundries sweeping plate 61.
The top end of the sundries cleaning rod 72 is fixedly connected with a sundries cleaning handle 74.
The sediment collecting device comprises a conical section 8, an outlet section 11 and an outlet end cover 12, wherein the conical section 8 is in the shape of a conical cylinder with two open ends and a wide upper part and a narrow lower part, the outlet section 11 is in the shape of a cylindrical cylinder with two open ends, the upper end and the lower end of the conical section 8 are fixedly connected and communicated with the bottom of the sedimentation tank 1 and the top of the outlet section 11 respectively, the diameter of the inner side of the upper end of the conical section 8 is the same as that of the inner side of the sedimentation tank 1, and the diameter of the inner side of the lower end of the conical section 8 is the same as that of the inner side of the outlet section 11; the inner peripheral side wall of the outlet end cap 12 is screwed with the outer periphery of the outlet section 11.
A plurality of outlet end cover handles 13 are fixedly connected to the periphery of the outlet end cover 12 at regular intervals; the periphery of the bottom of the sedimentation tank 1 is fixedly connected with a plurality of vertically arranged pillars 14 at even intervals.
The stirring and scraping device comprises a stirring and scraping part 9 and a stirring and scraping base plate 10, wherein the stirring and scraping base plate 10 is horizontally arranged, and two sides of the stirring and scraping base plate 10 are fixedly connected to the inner side wall of the outlet section 11; the stirring and scraping part 9 comprises a stirring and scraping rotating shaft 91, a top horizontal rod 92, a stirring scraper plate 93, a bottom horizontal rod 94, a stirring and scraping handle 95 and a positioning ring 96, the stirring and scraping rotating shaft 91 vertically penetrates through the stirring and scraping substrate 10 and is rotatably connected with the stirring and scraping substrate 10, the stirring and scraping rotating shaft 91 can rotate around the central axis of the stirring and scraping rotating shaft, one end of the top horizontal rod 92 is fixedly connected to the top end of the stirring and scraping rotating shaft 91, the other end of the top horizontal rod 92 is fixedly connected with the bottom of the stirring scraper plate 93, one side of the stirring scraper plate 93 is attached to the inner side wall of the conical section 8, one end of the bottom horizontal rod 94 is fixedly connected to the bottom end of the stirring and scraping rotating shaft 91, and the other end of the bottom horizontal rod 94 is fixedly connected with the stirring and scraping handle 95; the positioning ring 96 is fixedly connected to the periphery of the stirring and scraping rotating shaft 91, the bottom of the positioning ring 96 is abutted against the top of the stirring and scraping substrate 10, the periphery of the stirring and scraping rotating shaft 91 is further in threaded connection with a positioning nut 97, and the positioning nut 97 is located below the stirring and scraping substrate 10; the bottom horizontal bar 94 and the scraping handle 95 are both located within the outlet end cap 12.
The anaerobic treatment device comprises an anaerobic tank 22, the anaerobic tank 22 is fixedly connected in the buffer tank 2, an anaerobic tank water inlet pipe 23 and an anaerobic tank water outlet pipe 17 are respectively arranged on the anaerobic tank 22, and water in the buffer tank 2 enters the anaerobic tank 22 through the anaerobic tank water inlet pipe 23 and flows out of the anaerobic tank water outlet pipe 17 to the interior of the wetland water tank 3 after anaerobic reaction.
The aerobic biological treatment device comprises a plurality of plant plates 20 and a plurality of plants 21, wherein the plant plates 20 are fixedly connected in the wetland water tank 3 at even intervals in the vertical direction, and a plurality of plants 21 are uniformly arranged on each plant plate 20 at intervals.
A water inlet pipe 15 is communicated with one side of the upper part of the sedimentation tank 1, the water inlet pipe 15 is positioned above the grid plate 5, the sedimentation tank 1 is communicated with the buffer tank 2 through a sedimentation tank water outlet pipe 16, the wetland water tank 3 is communicated with the clean water tank 4 through a wetland water tank water outlet pipe 18, and one side of the clean water tank 4 is communicated with a water outlet pipe 19; the side wall of the sedimentation tank 1 is further communicated with a flushing water pipe 24, the flushing water pipe 24 is located below the grid plate 5, and the water outlet end of the flushing water pipe 24 points to the bottom of the sedimentation tank 1.
The points to be explained are:
the stirring and scraping base plate 10 is a narrow plate, a vertical through hole is formed in the middle of the stirring and scraping base plate 10, only the stirring and scraping rotating shaft 91 needs to penetrate through the through hole, the area is not large, and therefore discharging of sediments is not affected; the outer diameters of the positioning ring 96 and the positioning nut 97 are larger than the diameter of the through hole on the stirring and scraping substrate 10.
The water outlet pipe 16 of the sedimentation tank is positioned at the upper section or the middle upper section of the sedimentation tank 1 so as to ensure that the sewage is discharged to the buffer tank 2 after being fully precipitated; an outlet pipe 17 of the anaerobic tank is communicated with the upper part of one side of the wetland water tank 3, an outlet pipe 18 of the wetland water tank is lower than the outlet pipe 17 of the anaerobic tank so as to ensure that the sewage is fully oxidized in the wetland water tank 3, and an outlet pipe 19 is lower than the outlet pipe 18 of the wetland water tank.
The plant 21 is submerged plant, such as plants of chondrus or Foliumet, and the plant 21 can be replaced by activated sludge, the activated sludge is wrapped in a bag made of nylon or PLA corn fiber, and the bag is woven into a structure similar to a filter bag with tiny and dense holes.
The fixed connection referred to in this application may be a bolted connection, a welded connection or an adhesive connection.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The courtyard type domestic sewage treatment system is characterized by comprising a sedimentation tank (1), a buffer tank (2), a wetland water tank (3) and a clear water tank (4) which are sequentially communicated from front to back, wherein the upper part in the sedimentation tank (1) is fixedly connected with a grid plate (5), a cleaning device for cleaning sundries on the grid plate (5) is arranged on the grid plate (5), a sediment collecting device is arranged at the bottom of the sedimentation tank (1) so as to discharge sediments, and a stirring and scraping device for scraping the sediments is further arranged at the bottom of the sedimentation tank (1); an anaerobic treatment device is arranged in the buffer tank (2), and an aerobic biological treatment device is arranged in the wetland water tank (3); domestic sewage enters the sedimentation tank (1) and flows through the buffer tank (2), the wetland water tank (3) and the clear water tank (4) in sequence and finally flows out.
2. The system of claim 1, wherein the cleaning device comprises a debris sweeping part (6) and a debris cleaning part (7); the sundry sweeping part (6) comprises a sundry sweeping plate (61) and a sundry sweeping rod (62), the sundry sweeping plate (61) is vertically arranged above the grid plate (5) in the sedimentation tank (1) and the bottom of the grid plate is abutted against the top of the grid plate (5), the sundry sweeping rod (62) is horizontally arranged, one end of the sundry sweeping rod (62) is fixedly connected with one side of the sundry sweeping plate (61), the other end of the sundry sweeping rod (62) penetrates out of the side wall of the sedimentation tank (1), and the sundry sweeping rod (62) can drive the sundry sweeping plate (61) to move in the horizontal direction so as to push sundries on the grid plate (5) to the sundry cleaning part (7); the sundries cleaning part (7) comprises a sundries cleaning table (71), a sundries cleaning rod (72) and a sundries cleaning rotating shaft (73), the bottom of the sundries cleaning table (71) is abutted against the upper surface of the grating plate (5), the top of the sundries cleaning table (71) is fixedly connected with the sundries cleaning rod (72) which is vertically arranged, the sundries cleaning rotating shaft (73) is horizontally and fixedly connected in the sedimentation tank (1), the sundries cleaning rotating shaft (73) passes through the sundries cleaning rod (72), the sundries cleaning rod (72) can swing around the central axis of the sundries cleaning rotating shaft (73) and pour out the sundries on the sundries cleaning part (7), a square groove is arranged on one side of the top of the sedimentation tank (1) close to the sundries cleaning table (71), so that the sundries cleaning table (71) swings to extend out of the sedimentation tank (1).
3. The courtyard-type domestic sewage treatment system according to claim 2, wherein the sundries cleaning platform (71) is composed of a vertical plate and a horizontal plate fixedly connected with the vertical plate, the lower surface of the horizontal plate is horizontally arranged, the upper surface of the horizontal plate is obliquely arranged, and the intersection line of the upper surface and the lower surface of the horizontal plate is positioned at one side close to the sundries sweeping plate (61).
4. The system of claim 2, wherein a debris cleaning handle (74) is fixedly connected to the top end of the debris cleaning rod (72).
5. The courtyard-type domestic sewage treatment system according to claim 1, wherein the sediment collecting device comprises a conical section (8), an outlet section (11) and an outlet end cover (12), wherein the conical section (8) is in the shape of a conical cylinder with two open ends and a wide upper part and a narrow lower part, the outlet section (11) is in the shape of a cylindrical cylinder with two open ends, the upper end and the lower end of the conical section (8) are fixedly connected and communicated with the bottom of the sedimentation tank (1) and the top of the outlet section (11), the inner diameter of the upper end of the conical section (8) is the same as that of the inner side of the sedimentation tank (1), and the inner diameter of the lower end of the conical section (8) is the same as that of the inner side of the outlet section (11); the inner peripheral side wall of the outlet end cover (12) is in threaded connection with the outer periphery of the outlet section (11).
6. The courtyard-type domestic sewage treatment system of claim 5, wherein a plurality of outlet end cover handles (13) are fixedly connected to the periphery of the outlet end cover (12) at regular intervals; the periphery of the bottom of the sedimentation tank (1) is fixedly connected with a plurality of vertically arranged pillars (14) at even intervals.
7. The courtyard-type domestic sewage treatment system of claim 5, wherein the stirring and scraping device comprises a stirring and scraping part (9) and a stirring and scraping base plate (10), wherein the stirring and scraping base plate (10) is horizontally arranged and fixedly connected to the inner side wall of the outlet section (11) at two sides; the stirring and scraping part (9) comprises a stirring and scraping rotating shaft (91), a top horizontal rod (92), a stirring and scraping plate (93), a bottom horizontal rod (94), a stirring and scraping handle (95) and a positioning ring (96), the stirring and scraping rotating shaft (91) vertically penetrates through the stirring and scraping base plate (10) and is rotationally connected with the stirring and scraping base plate (10), the stirring scraping rotating shaft (91) can rotate around the central axis thereof, one end of the top horizontal rod (92) is fixedly connected with the top end of the stirring scraping rotating shaft (91), the other end of the top horizontal rod (92) is fixedly connected with the bottom of the stirring scraper (93), one side of the stirring scraper (93) is attached to the inner side wall of the conical section (8), one end of the bottom horizontal rod (94) is fixedly connected with the bottom end of the stirring and scraping rotating shaft (91), the other end of the bottom horizontal rod (94) is fixedly connected with the vertically arranged stirring and scraping handle (95); the positioning ring (96) is fixedly connected to the periphery of the stirring and scraping rotating shaft (91), the bottom of the positioning ring (96) is abutted to the top of the stirring and scraping base plate (10), the periphery of the stirring and scraping rotating shaft (91) is further in threaded connection with a positioning nut (97), and the positioning nut (97) is located below the stirring and scraping base plate (10); the bottom horizontal rod (94) and the stirring and scraping handle (95) are both positioned in the outlet end cover (12).
8. The courtyard-type domestic sewage treatment system of claim 1, wherein the anaerobic treatment device comprises an anaerobic tank (22), the anaerobic tank (22) is fixedly connected in the buffer tank (2), an anaerobic tank water inlet pipe (23) and an anaerobic tank water outlet pipe (17) are respectively arranged on the anaerobic tank (22), and water in the buffer tank (2) enters the anaerobic tank (22) through the anaerobic tank water inlet pipe (23) and flows out of the anaerobic tank water outlet pipe (17) into the wetland water tank (3) after undergoing anaerobic reaction.
9. The system of claim 8, wherein the aerobic biological treatment device comprises a plurality of plant plates (20) and a plurality of plants (21), the plant plates (20) are fixedly connected in the wetland water tank (3) at regular intervals along the vertical direction, and a plurality of plants (21) are arranged on each plant plate (20) at regular intervals.
10. The courtyard-type domestic sewage treatment system of any one of claims 1 to 9, wherein a water inlet pipe (15) is communicated with one side of the upper part of the sedimentation tank (1), the water inlet pipe (15) is positioned above the grid plate (5), the sedimentation tank (1) is communicated with the buffer tank (2) through a sedimentation tank water outlet pipe (16), the wetland water tank (3) is communicated with the clean water tank (4) through a wetland water tank water outlet pipe (18), and a water outlet pipe (19) is communicated with one side of the clean water tank (4); the side wall of the sedimentation tank (1) is further communicated with a flushing water pipe (24), the flushing water pipe (24) is located below the grid plate (5), and the water outlet end of the flushing water pipe (24) points to the bottom of the sedimentation tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020423955.9U CN212246658U (en) | 2020-03-28 | 2020-03-28 | Courtyard type domestic sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020423955.9U CN212246658U (en) | 2020-03-28 | 2020-03-28 | Courtyard type domestic sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212246658U true CN212246658U (en) | 2020-12-29 |
Family
ID=73986219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020423955.9U Expired - Fee Related CN212246658U (en) | 2020-03-28 | 2020-03-28 | Courtyard type domestic sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212246658U (en) |
-
2020
- 2020-03-28 CN CN202020423955.9U patent/CN212246658U/en not_active Expired - Fee Related
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