CN112875915A - Domestic sewage treatment device - Google Patents
Domestic sewage treatment device Download PDFInfo
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- CN112875915A CN112875915A CN202110041925.0A CN202110041925A CN112875915A CN 112875915 A CN112875915 A CN 112875915A CN 202110041925 A CN202110041925 A CN 202110041925A CN 112875915 A CN112875915 A CN 112875915A
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- plate
- filter
- ultrafiltration membrane
- gear
- cleaning
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- 239000010865 sewage Substances 0.000 title claims abstract description 61
- 238000004140 cleaning Methods 0.000 claims abstract description 76
- 239000012528 membrane Substances 0.000 claims abstract description 50
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 50
- 238000001914 filtration Methods 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000000926 separation method Methods 0.000 claims abstract description 19
- 238000000746 purification Methods 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 45
- 239000010802 sludge Substances 0.000 claims description 18
- 239000012629 purifying agent Substances 0.000 claims description 11
- 238000007790 scraping Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Classifications
-
- 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
-
- 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
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
A domestic sewage treatment device relates to the field of sewage treatment and comprises a shell, a separation plate, a flow guide table, a water inlet plate, a filter cylinder, a filter plate and an ultrafiltration membrane cylinder; the flow guide table and the water inlet plate are arranged in the shell side by side; the separation plate is arranged in the upper filter chamber corresponding to the position of the water inlet pipe; the filter plate is arranged in the lower filter chamber; the filter cylinder is arranged at the lower end of the water inlet plate and is positioned at one side of the filter plate; multiple groups of ultrafiltration membrane cylinders are arranged in parallel, the multiple groups of ultrafiltration membrane cylinders are positioned on the other side of the filter plate, one end of each ultrafiltration membrane cylinder close to the filter plate is a blind end, and the other end of each ultrafiltration membrane cylinder is communicated with the water outlet pipe; further comprising a first cleaning assembly; the first cleaning component is arranged on the ultrafiltration membrane cylinder. The invention adopts a plurality of filtering modes, and has good sewage purification effect; the first cleaning component is arranged to clean the surface of the ultrafiltration membrane cylinder, so that the ultrafiltration membrane is prevented from being covered by dirt, and the filtration efficiency and effect are prevented from being influenced; the second cleaning component is arranged to clean the filter plate, and attached dirt is brushed off to ensure the filtering effect.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to a domestic sewage treatment device.
Background
Domestic sewage is wastewater discharged in daily life of residents and mainly comes from residential buildings and public buildings, such as houses, institutions, schools, hospitals, shops, public places, industrial enterprise toilets and the like. The pollutants contained in the domestic sewage are mainly organic matters (such as protein, carbohydrate, fat, urea, ammonia nitrogen and the like) and a large amount of pathogenic microorganisms (such as parasitic ova, enteroinfectious viruses and the like). Organic matters existing in domestic sewage are extremely unstable and easily decomposed to generate offensive odor. Bacteria and pathogens propagate in large quantities by taking organic matters in domestic sewage as nutrition, and can cause epidemic of infectious diseases. Therefore, domestic sewage must be treated before being discharged. The filtering equipment in the existing domestic sewage treatment device is easily attached by dirt, so that the filtering is not smooth, the filtering effect is unstable, and frequent maintenance is required by workers.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background technology, the invention provides a domestic sewage treatment device. The invention adopts a plurality of filtering modes, and has good sewage purification effect; the first cleaning component is arranged to clean the surface of the ultrafiltration membrane cylinder, so that the ultrafiltration membrane is prevented from being covered by dirt, and the filtration efficiency and effect are prevented from being influenced; the second cleaning component is arranged to clean the filter plate, and attached dirt is brushed off to ensure the filtering effect.
(II) technical scheme
In order to solve the problems, the invention provides a domestic sewage treatment device, which comprises a shell, a separation plate, a flow guide table, a water inlet plate, a filter cylinder, a filter plate and an ultrafiltration membrane cylinder, wherein the separation plate is arranged on the shell; the shell is provided with a water inlet pipe and a water outlet pipe; the guide table and the water inlet plate are arranged in the shell side by side and divide the shell into an upper filter chamber and a lower filter chamber; the separation plate is arranged in the upper filter chamber corresponding to the position of the water inlet pipe; the filter plate is arranged in the lower filter chamber; the filter cylinder is arranged at the lower end of the water inlet plate and is positioned at one side of the filter plate; multiple groups of ultrafiltration membrane cylinders are arranged in parallel, the multiple groups of ultrafiltration membrane cylinders are positioned on the other side of the filter plate, one end of each ultrafiltration membrane cylinder close to the filter plate is a blind end, and the other end of each ultrafiltration membrane cylinder is communicated with the water outlet pipe; further comprising a first cleaning assembly; the first cleaning component is arranged on the ultrafiltration membrane cylinder; the first cleaning assembly comprises a first driving motor, a first lead screw, a moving plate, a second lead screw, a moving sleeve, a first gear, a second gear and a clamping piece; a first lead screw driven by a first driving motor is rotationally arranged in the lower filtering chamber; the horizontally moving plate is in threaded connection with a first lead screw, and is provided with a first through hole for an ultrafiltration membrane cylinder to pass through and a second through hole for a second lead screw to pass through; the second lead screw is arranged in parallel with the first lead screw; the first gear is rotatably arranged on the moving plate and is communicated with the first through hole; the clamping piece is arranged between the first gear and the ultrafiltration membrane cylinder; the second gear wheel is rotatably arranged on the moving plate, is communicated with the second through hole and is meshed with the first gear wheel; the inner wall of the movable sleeve is in threaded connection with a second lead screw, and the outer wall key is connected with a second gear.
Preferably, the clamping piece comprises a mounting seat, a telescopic plate, a first cleaning brush and an elastic pushing piece; the mounting seat is arranged on the first gear and is provided with a mounting groove; the elastic pushing piece is arranged in the mounting groove; one end of the telescopic plate extends into the mounting groove and is connected with the elastic pushing piece, and the other end of the telescopic plate extends into the first through hole and is connected with the first cleaning brush; the first cleaning brush is in sliding contact with the ultrafiltration membrane cartridge.
Preferably, the filter cylinder is provided with a stirring component; the stirring assembly comprises a second driving motor, a stirring rod, a lower stirring paddle, an upper stirring paddle and a dirt scraping frame; the stirring rod driven by the second driving motor is rotatably arranged at the bottom of the lower filtering chamber, and the upper end of the stirring rod rotatably extends into the filtering barrel; the upper stirring paddle and the lower stirring paddle are respectively arranged at the upper end and the lower end of the stirring rod; scrape dirty frame and set up on the puddler, and with cartridge filter sliding connection.
Preferably, the lower filtering chamber is provided with a second cleaning assembly; the second cleaning component comprises a third driving motor, a limiting plate, a telescopic pipe, a first bearing block, a mud sucking head, a first traction rope, a first positioning wheel, a rotating rod, a third gear, a fourth gear, a second traction rope, a second positioning wheel, a cleaning piece, a mud sucking pump and a mud storage box; the limiting plate is arranged in the lower filtering chamber; the telescopic pipe is arranged on the limiting plate, the upper end of the telescopic pipe is communicated with the sludge storage box through a sludge pump, and the lower end of the telescopic pipe is communicated with the sludge suction head; the first bearing block is arranged on the mud suction head; the fourth gear key is connected with a main shaft of the third driving motor; the third gear is connected with the rotating rod and is meshed with the fourth gear; the first positioning wheel is connected to the rotating rod through a key; the upper end of the first traction rope is connected with the first positioning wheel, and the lower end of the first traction rope is connected with the first bearing block; the second positioning wheel is arranged between the filter plate and the telescopic pipe and is positioned at the upper end of the lower filter chamber; the second traction rope is wound on the second positioning wheel and is always in an inverted V-shaped structure, and two ends of the second traction rope are respectively connected with the first bearing block and the cleaning piece; the cleaning member is disposed on the filter plate.
Preferably, the cleaning piece comprises a second bearing block, a sliding block and a second cleaning brush; the filter plate is provided with a chute; one end of the sliding block extends into the sliding groove and is in sliding connection with the sliding groove, and the other end of the sliding block is connected with the second bearing block; the second bearing block is connected with a second traction rope; the second cleaning brush sets up on the second bearing block, and with filter sliding contact.
Preferably, the inner wall of the lower filtering chamber is provided with a guide plate; a positioning frame is arranged on the guide plate; the telescopic pipe is provided with a guide groove; the locating rack is connected with the guide groove in a sliding manner.
Preferably, the separation plate is arranged obliquely, and one end close to the water inlet pipe is higher than the other end.
Preferably, the housing is provided with a dirt collecting box corresponding to the lower end of the separating plate.
Preferably, the upper filtering chamber is provided with a flow blocking piece; the choke is disposed below the separation plate.
The invention also provides a domestic sewage treatment method, which comprises the following steps:
s1, domestic sewage is poured into the shell, the sewage flows along the separating plate, solid substances are trapped on the separating plate, and liquid falls down and enters the filter cylinder along the flow guide table;
s2, adding a purifying agent into the downward filtering chamber;
s3, under the action of the stirring component, the lower stirring paddle and the upper stirring paddle are stirred to mix the sewage and the purifying agent, and the sewage scraping frame cleans the filter cylinder;
s4, enabling the sewage to pass through the filter plate under the action of the filter cylinder and the purifying agent, enabling the sewage to enter the ultrafiltration membrane cylinder for purification again, and finally enabling the sewage to flow out of the water outlet pipe;
s5, the first cleaning assembly acts, the first lead screw rotates through transmission of the first driving motor, the moving plate moves horizontally, the moving sleeve is pushed by the thread of the second lead screw to drive the second gear to rotate, the first gear drives the clamping piece to rotate synchronously, and the first cleaning brush cleans the surface of the ultrafiltration membrane cylinder;
s6, the second cleaning component acts, the third driving motor drives the rotating rod to rotate, the first traction rope is loosened, the sludge suction head descends to suck settled sludge, the second traction rope is tensioned, the cleaning piece slides upwards, and the second cleaning brush cleans the filter plate.
The technical scheme of the invention has the following beneficial technical effects:
the invention is provided with the separation plate, the filter cylinder, the filter plate, the purifying agent and the ultrafiltration membrane cylinder, adopts various filtering modes, filters sewage layer by layer, has comprehensive treatment and good purifying effect;
the first cleaning assembly is arranged, the first driving motor is used for driving the first cleaning assembly, the first screw rod is matched with the movable plate, the first gear and the second gear are used for driving the movable plate to horizontally move, meanwhile, the clamping pieces synchronously rotate to clean the surface of the ultrafiltration membrane cylinder, and the problem that the ultrafiltration membrane is covered by dirt to influence the filtration efficiency and effect is avoided;
and the second cleaning component is arranged, the first traction rope pulls the sludge suction head to lift through the transmission of the third driving motor, so that the sludge at the bottom of the lower filtering chamber is removed, meanwhile, the second traction rope pulls the cleaning piece to slide, the filtering plate is cleaned, attached dirt is brushed off, and the filtering effect is ensured.
Drawings
FIG. 1 is a sectional view of a domestic sewage treatment apparatus according to the present invention.
FIG. 2 is a sectional view of a moving plate in a domestic sewage treatment apparatus according to the present invention.
FIG. 3 is a left side view of a moving plate in the domestic sewage treatment apparatus according to the present invention.
FIG. 4 is an enlarged sectional view of a portion A of a domestic sewage treatment apparatus according to the present invention.
Fig. 5 is an enlarged sectional view of a filter cartridge in a domestic sewage treatment apparatus according to the present invention.
FIG. 6 is a partial schematic structural view of a second cleaning assembly in a domestic sewage treatment apparatus according to the present invention.
FIG. 7 is an enlarged view of a portion B of a domestic sewage treatment apparatus according to the present invention.
FIG. 8 is a transverse sectional view of a telescopic pipe in a domestic sewage treatment apparatus according to the present invention.
FIG. 9 is an enlarged sectional view of a portion C of a domestic sewage treatment apparatus according to the present invention.
The attached drawings are marked as follows: 1. a housing; 2. a water inlet pipe; 3. a separation plate; 4. a flow guide table; 5. a water intake plate; 6. a filter cartridge; 7. a filter plate; 8. an ultrafiltration membrane cartridge; 9. a water outlet pipe; 10. a stirring assembly; 11. a first cleaning assembly; 12. a third drive motor; 13. a limiting plate; 14. a telescopic pipe; 15. a first bearing block; 16. a mud suction head; 17. a guide plate; 18. a positioning frame; 19. a first pull cord; 20. a first positioning wheel; 21. rotating the rod; 22. a third gear; 23. a fourth gear; 24. a second pull cord; 25. a second positioning wheel; 26. a cleaning member; 27. a second bearing block; 28. a slider; 29. a second cleaning brush; 30. a guide groove; 31. a second drive motor; 32. a stirring rod; 33. a lower stirring paddle; 34. an upper stirring paddle; 35. a dirt scraping frame; 36. a first drive motor; 37. a first lead screw; 38. moving the plate; 39. a second lead screw; 40. moving the sleeve; 41. a first gear; 42. a second gear; 43. a mounting seat; 44. a fastener; 45. mounting grooves; 46. a retractable plate; 47. a first cleaning brush; 48. an elastic pusher; 49. a sludge storage tank; 50. a dirt collecting box; 51. a flow resisting part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Example 1
As shown in fig. 1-9, the domestic sewage treatment device provided by the present invention comprises a housing 1, a separation plate 3, a flow guide table 4, a water inlet plate 5, a filter cartridge 6, a filter plate 7 and an ultrafiltration membrane cartridge 8; the shell 1 is provided with a water inlet pipe 2 and a water outlet pipe 9; the guide table 4 and the water inlet plate 5 are arranged in parallel inside the shell 1 and divide the shell into an upper filter chamber and a lower filter chamber; the separating plate 3 is arranged in the upper filtering chamber corresponding to the position of the water inlet pipe 2; the filter plate 7 is arranged in the lower filter chamber; the filter cylinder 6 is arranged at the lower end of the water inlet plate 5 and is positioned at one side of the filter plate 7; multiple groups of ultrafiltration membrane cylinders 8 are arranged in parallel, the multiple groups of ultrafiltration membrane cylinders 8 are positioned on the other side of the filter plate 7, one end of each ultrafiltration membrane cylinder 8 close to the filter plate 7 is a blind end, and the other end of each ultrafiltration membrane cylinder is communicated with the water outlet pipe 9; further comprises a first cleaning component 11; the first cleaning component 11 is arranged on the ultrafiltration membrane cylinder 8; the first cleaning assembly 11 comprises a first driving motor 36, a first lead screw 37, a moving plate 38, a second lead screw 39, a moving sleeve 40, a first gear 41, a second gear 42 and a clamping piece 44; a first lead screw 37 driven by a first driving motor 36 is rotationally arranged in the lower filtering chamber; a horizontally moving plate 38 is in threaded connection with a first lead screw 37, and a first through hole for the ultrafiltration membrane cylinder 8 to pass through and a second through hole for the second lead screw 39 to pass through are formed in the moving plate 38; the second lead screw 39 is arranged in parallel with the first lead screw 37; the first gear 41 is rotatably arranged on the moving plate 38 and is communicated with the first through hole; the engaging piece 44 is arranged between the first gear 41 and the ultrafiltration membrane cartridge 8; the second gear 42 is rotatably arranged on the moving plate 38, is communicated with the second through hole and is meshed with the first gear 41; the inner wall of the moving sleeve 40 is in threaded connection with the second lead screw 39, and the outer wall key is connected with the second gear 42.
In an alternative embodiment, the catch 44 comprises a mount 43, a retractable plate 46, a first cleaning brush 47 and a resilient pusher 48; the mounting seat 43 is arranged on the first gear 41, and the mounting seat 43 is provided with a mounting groove 45; the elastic pushing piece 48 is arranged in the mounting groove 45; one end of the telescopic plate 46 extends into the mounting groove 45 and is connected with the elastic pushing piece 48, and the other end of the telescopic plate extends into the first through hole and is connected with the first cleaning brush 47; the first cleaning brush 47 is in sliding contact with the ultrafiltration membrane cartridge 8.
In an alternative embodiment, the filter cartridge 6 is provided with an agitation assembly 10; the stirring assembly 10 comprises a second driving motor 31, a stirring rod 32, a lower stirring paddle 33, an upper stirring paddle 34 and a dirt scraping frame 35; the stirring rod 32 driven by the second driving motor 31 is rotationally arranged at the bottom of the lower filtering chamber, and the upper end of the stirring rod rotationally extends into the filtering cylinder 6; the upper stirring paddle 34 and the lower stirring paddle 33 are respectively arranged at the upper end and the lower end of the stirring rod 32; the scraping frame 35 is arranged on the stirring rod 32 and is connected with the filter cylinder 6 in a sliding way.
In an alternative embodiment, the lower filter chamber is provided with a second cleaning assembly; the second cleaning component comprises a third driving motor 12, a limiting plate 13, an extension pipe 14, a first bearing block 15, a mud sucking head 16, a first traction rope 19, a first positioning wheel 20, a rotating rod 21, a third gear 22, a fourth gear 23, a second traction rope 24, a second positioning wheel 25, a cleaning piece 26, a mud pump and a mud storage tank 49; the limiting plate 13 is arranged in the lower filtering chamber; the telescopic pipe 14 is arranged on the limit plate 13, the upper end of the telescopic pipe is communicated with the sludge storage tank 49 through a sludge pump, and the lower end of the telescopic pipe is communicated with the sludge suction head 16; the first bearing block 15 is arranged on the mud suction head 16; the fourth gear 23 is in key connection with the main shaft of the third driving motor 12; the third gear 22 is keyed to the rotating rod 21 and is simultaneously in meshed connection with the fourth gear 23; the first positioning wheel 20 is connected with the rotating rod 21 in a key way; the upper end of the first traction rope 19 is connected with a first positioning wheel 20, and the lower end is connected with a first bearing block 15; the second positioning wheel 25 is arranged between the filter plate 7 and the extension tube 14 and is positioned at the upper end of the lower filter chamber; the second traction rope 24 is wound on the second positioning wheel 25 and is always in an inverted V-shaped structure, and two ends of the second traction rope 24 are respectively connected with the first bearing block 15 and the cleaning piece 26; cleaning elements 26 are arranged on the filter plate 7.
In an alternative embodiment, the cleaning member 26 comprises a second bearing block 27, a slide 28 and a second cleaning brush 29; the filter plate 7 is provided with a chute; one end of the sliding block 28 extends into the sliding groove and is connected with the sliding groove in a sliding way, and the other end of the sliding block is connected with the second bearing block 27; the second bearing block 27 is connected with the second traction rope 24; the second cleaning brush 29 is provided on the second bearing block 27 and is in sliding contact with the filter plate 7.
In an alternative embodiment, the inner wall of the lower filter chamber is provided with a guide plate 17; a positioning frame 18 is arranged on the guide plate 17; the telescopic pipe 14 is provided with a guide groove 30; the positioning frame 18 is slidably connected with the guide groove 30.
In an alternative embodiment the separation plate 3 is arranged inclined and higher near the inlet pipe 2 at one end than at the other.
In an alternative embodiment, the housing 1 is provided with a dirt-collecting box 50 at the lower end thereof corresponding to the separation plate 3.
In an alternative embodiment, the upper filtering chamber is provided with chokes 51; the choke 51 is disposed below the separation plate 3.
The invention is provided with the separation plate 3, the filter cylinder 6, the filter plate 7, the purifying agent and the ultrafiltration membrane cylinder 8, adopts various filtering modes, filters sewage layer by layer, has comprehensive treatment and good purifying effect; the first cleaning assembly 11 is arranged, the first screw 37 is matched with the moving plate 38 through transmission of the first driving motor 36, and then the first gear 41 and the second gear 42 are used for transmission, so that the moving plate 38 moves horizontally, meanwhile, the clamping piece 44 rotates synchronously, the surface of the ultrafiltration membrane cylinder 8 is cleaned, and the ultrafiltration membrane is prevented from being covered by dirt, so that the filtration efficiency and effect are prevented from being influenced; set up the clean subassembly of second, through the transmission of third driving motor 12, first haulage rope 19 is dragged and is inhaled mud head 16 and go up and down, gets rid of the mud of lower filter chamber bottom, and second haulage rope 24 is dragged cleaning member 26 and is slided simultaneously, cleans filter 7, brushes the adnexed filth, guarantees its filter effect.
The invention also provides a domestic sewage treatment method, which comprises the following steps:
s1, domestic sewage is poured into the shell 1, the sewage flows along the separation plate 3, solid substances are retained on the separation plate 3, and liquid falls down and enters the filter cartridge 6 along the flow guide table 4;
s2, adding a purifying agent into the downward filtering chamber;
s3, the stirring component 10 is used for stirring the lower stirring paddle 33 and the upper stirring paddle 34 to mix the sewage and the purifying agent, and the sewage scraping frame 35 is used for cleaning the filter cylinder 6;
s4, the sewage passes through the filter plate 7 under the action of the filter cartridge 6 and a purifying agent, enters the ultrafiltration membrane cartridge 8 for purification again, and finally flows out of the water outlet pipe 9;
s5, the first cleaning assembly 11 acts, and is driven by the first driving motor 36, so that the first lead screw 37 rotates, the moving plate 38 moves horizontally, the moving sleeve 40 is pushed by the thread of the second lead screw 39 to drive the second gear 42 to rotate, the first gear 41 drives the clamping piece 44 to rotate synchronously, and the first cleaning brush 47 cleans the surface of the ultrafiltration membrane cylinder 8;
s6, the second cleaning component acts, the third driving motor 12 drives the rotating rod 21 to rotate, the first traction rope 19 is loosened, the sludge suction head 16 descends to suck settled sludge, the second traction rope 24 is tightened, the cleaning piece 26 slides upwards, and the second cleaning brush 29 cleans the filter plate 7.
The domestic sewage treatment method is simple to operate, has a good sewage purification effect, and is stable and durable in purification performance.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A domestic sewage treatment device comprises a shell (1), a separation plate (3), a flow guide table (4), a water inlet plate (5), a filter cylinder (6), a filter plate (7) and an ultrafiltration membrane cylinder (8); the shell (1) is provided with a water inlet pipe (2) and a water outlet pipe (9); the flow guide table (4) and the water inlet plate (5) are arranged in parallel inside the shell (1) and divide the shell into an upper filter chamber and a lower filter chamber; the separating plate (3) is arranged in the upper filtering chamber corresponding to the position of the water inlet pipe (2); the filter plate (7) is arranged in the lower filter chamber; the filter cartridge (6) is arranged at the lower end of the water inlet plate (5) and is positioned at one side of the filter plate (7); multiple groups of ultrafiltration membrane cylinders (8) are arranged in parallel, the multiple groups of ultrafiltration membrane cylinders (8) are positioned on the other side of the filter plate (7), one end of each ultrafiltration membrane cylinder (8) close to the filter plate (7) is a blind end, and the other end of each ultrafiltration membrane cylinder is communicated with a water outlet pipe (9); characterized in that it further comprises a first cleaning assembly (11); the first cleaning component (11) is arranged on the ultrafiltration membrane cylinder (8);
the first cleaning assembly (11) comprises a first driving motor (36), a first lead screw (37), a moving plate (38), a second lead screw (39), a moving sleeve (40), a first gear (41), a second gear (42) and a clamping piece (44); a first lead screw (37) driven by a first driving motor (36) is rotationally arranged in the lower filtering chamber; a horizontally moving plate (38) is in threaded connection with a first lead screw (37), and a first through hole for an ultrafiltration membrane cylinder (8) to pass through and a second through hole for a second lead screw (39) to pass through are formed in the moving plate (38); the second lead screw (39) is arranged in parallel with the first lead screw (37); the first gear (41) is rotatably arranged on the moving plate (38) and is communicated with the first through hole; the clamping piece (44) is arranged between the first gear (41) and the ultrafiltration membrane cylinder (8); the second gear (42) is rotatably arranged on the moving plate (38), is communicated with the second through hole and is meshed with the first gear (41); the inner wall of the movable sleeve (40) is in threaded connection with a second lead screw (39), and the outer wall key is connected with a second gear (42).
2. The domestic sewage treatment apparatus according to claim 1, wherein the engaging member (44) comprises a mounting seat (43), a telescopic plate (46), a first cleaning brush (47) and an elastic pushing member (48); the mounting seat (43) is arranged on the first gear (41), and a mounting groove (45) is formed in the mounting seat (43); the elastic pushing piece (48) is arranged in the mounting groove (45); one end of the telescopic plate (46) extends into the mounting groove (45) and is connected with the elastic pushing piece (48), and the other end of the telescopic plate extends into the first through hole and is connected with the first cleaning brush (47); the first cleaning brush (47) is in sliding contact with the ultrafiltration membrane cartridge (8).
3. The domestic sewage treatment apparatus according to claim 1, wherein the filter cartridge (6) is provided with an agitating assembly (10); the stirring assembly (10) comprises a second driving motor (31), a stirring rod (32), a lower stirring paddle (33), an upper stirring paddle (34) and a sewage scraping frame (35); a stirring rod (32) driven by a second driving motor (31) is rotationally arranged at the bottom of the lower filtering chamber, and the upper end of the stirring rod rotationally extends into the filtering cylinder (6); the upper stirring paddle (34) and the lower stirring paddle (33) are respectively arranged at the upper end and the lower end of the stirring rod (32); the scraping frame (35) is arranged on the stirring rod (32) and is connected with the filter cylinder (6) in a sliding way.
4. The domestic sewage treatment apparatus of claim 1 wherein the lower filtering chamber is provided with a second cleaning assembly; the second cleaning component comprises a third driving motor (12), a limiting plate (13), an extension pipe (14), a first bearing block (15), a mud suction head (16), a first traction rope (19), a first positioning wheel (20), a rotating rod (21), a third gear (22), a fourth gear (23), a second traction rope (24), a second positioning wheel (25), a cleaning piece (26), a mud pump and a mud storage box (49); the limiting plate (13) is arranged in the lower filtering chamber; the telescopic pipe (14) is arranged on the limiting plate (13), the upper end of the telescopic pipe is communicated with the sludge storage tank (49) through a sludge pump, and the lower end of the telescopic pipe is communicated with the sludge suction head (16); the first bearing block (15) is arranged on the mud sucking head (16); the fourth gear (23) is in key connection with the main shaft of the third driving motor (12); the third gear (22) is connected with the rotating rod (21) in a key way and is also connected with the fourth gear (23) in a meshed way; the first positioning wheel (20) is connected with the rotating rod (21) in a key way; the upper end of the first traction rope (19) is connected with a first positioning wheel (20), and the lower end of the first traction rope is connected with a first bearing block (15); the second positioning wheel (25) is arranged between the filter plate (7) and the telescopic pipe (14) and is positioned at the upper end of the lower filter chamber; a second traction rope (24) is wound on a second positioning wheel (25) and is always in an inverted V-shaped structure, and two ends of the second traction rope (24) are respectively connected with the first bearing block (15) and the cleaning piece (26); cleaning elements (26) are arranged on the filter plate (7).
5. A domestic sewage treatment apparatus according to claim 4 wherein the cleaning member (26) comprises a second bearing block (27), a slide block (28) and a second cleaning brush (29); the filter plate (7) is provided with a chute; one end of the sliding block (28) extends into the sliding groove and is connected with the sliding groove in a sliding way, and the other end of the sliding block is connected with the second bearing block (27); the second bearing block (27) is connected with the second traction rope (24); the second cleaning brush (29) is disposed on the second bearing block (27) and is in sliding contact with the filter plate (7).
6. A domestic sewage treatment apparatus according to claim 4 wherein the inner wall of the lower filtering chamber is provided with a guide plate (17); a positioning frame (18) is arranged on the guide plate (17); the telescopic pipe (14) is provided with a guide groove (30); the positioning frame (18) is connected with the guide groove (30) in a sliding way.
7. The domestic sewage treatment apparatus according to claim 1, wherein the separation plate (3) is disposed to be inclined and higher at one end closer to the inlet pipe (2) than at the other end.
8. The domestic sewage treatment apparatus according to claim 7, wherein the housing (1) is provided with a sewage collection box (50) corresponding to the lower end of the separation plate (3).
9. A domestic sewage treatment apparatus according to claim 1, wherein the upper filtering chamber is provided with a flow blocking member (51); the spoiler (51) is arranged below the separating plate (3).
10. A domestic sewage treatment method comprising any one of claims 1 to 9, characterized by the steps of:
s1, domestic sewage is poured into the shell (1), the sewage flows along the separating plate (3), solid substances are retained on the separating plate (3), and liquid falls down and enters the filter cylinder (6) along the flow guide table (4);
s2, adding a purifying agent into the downward filtering chamber;
s3, the stirring component (10) is used for stirring the lower stirring paddle (33) and the upper stirring paddle (34), mixing sewage and a purifying agent, and the sewage scraping frame (35) is used for cleaning the filter cylinder (6);
s4, enabling the sewage to pass through the filter plate (7) under the action of the filter cartridge (6) and a purifying agent, enter the ultrafiltration membrane cartridge (8) for purification again, and finally flow out of the water outlet pipe (9);
s5, the first cleaning assembly (11) acts, the first lead screw (37) rotates through transmission of the first driving motor (36), the moving plate (38) moves horizontally, the moving sleeve (40) is pushed by the thread of the second lead screw (39) to drive the second gear (42) to rotate, the first gear (41) drives the clamping piece (44) to rotate synchronously, and the first cleaning brush (47) cleans the surface of the ultrafiltration membrane cylinder (8);
s6, the second cleaning component acts, the third driving motor (12) drives the rotating rod (21) to rotate, the first traction rope (19) is loosened, the sludge suction head (16) descends to suck settled sludge, the second traction rope (24) is tensioned, the cleaning piece (26) slides upwards, and the second cleaning brush (29) cleans the filter plate (7).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110041925.0A CN112875915A (en) | 2021-01-13 | 2021-01-13 | Domestic sewage treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110041925.0A CN112875915A (en) | 2021-01-13 | 2021-01-13 | Domestic sewage treatment device |
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| CN112875915A true CN112875915A (en) | 2021-06-01 |
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| CN202110041925.0A Pending CN112875915A (en) | 2021-01-13 | 2021-01-13 | Domestic sewage treatment device |
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Application publication date: 20210601 |