CN115403137B - Low-temperature high-altitude sewage treatment device and method - Google Patents
Low-temperature high-altitude sewage treatment device and method Download PDFInfo
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- CN115403137B CN115403137B CN202211046486.3A CN202211046486A CN115403137B CN 115403137 B CN115403137 B CN 115403137B CN 202211046486 A CN202211046486 A CN 202211046486A CN 115403137 B CN115403137 B CN 115403137B
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- aeration
- heating
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- 239000010865 sewage Substances 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005273 aeration Methods 0.000 claims abstract description 79
- 238000010438 heat treatment Methods 0.000 claims abstract description 72
- 239000010802 sludge Substances 0.000 claims abstract description 36
- 238000007790 scraping Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000001681 protective effect Effects 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 13
- 230000000670 limiting effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 4
- 239000008394 flocculating agent Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 15
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 244000005700 microbiome Species 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007102 metabolic function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- 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
- C02F3/006—Regulation methods for biological treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/008—Mobile apparatus and plants, e.g. mounted on a vehicle
-
- 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
- C02F2301/10—Temperature conditions for biological treatment
- C02F2301/106—Thermophilic treatment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Activated Sludge Processes (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention relates to the field of sewage treatment, in particular to a low-temperature high-altitude sewage treatment device and a low-temperature high-altitude sewage treatment method. According to the invention, by adding the aeration tank, the shaking heating mechanism, the tensioning mechanism, the scraping mechanism and the like, sewage flows into the aeration tank from the water inlet pipe, the shaking heating mechanism is controlled to heat the sewage, so that the microorganisms in the activated sludge are ensured to have good activity, and as the heating element can shake back and forth during heating, the adhesion amount of the sludge on the heating element can be reduced, the heat is favorably conducted into the sewage, the energy consumption is reduced, the scraping mechanism is driven by the tensioning mechanism, the linkage is good, the structure is compact, no additional electric devices are needed, and the cost is also reduced.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a low-temperature high-altitude sewage treatment device and a method.
Background
The activated sludge process is one kind of aerobic biological sewage treating process and has the features of low treating cost, high effect and stability. However, microorganisms on activated sludge are sensitive to temperature change, and when sewage at low temperature and high altitude is treated, the metabolic function of microorganisms is weakened, the activity is reduced, and the sewage treatment effect is deteriorated.
In order to ensure the activity of microorganisms, heating devices are often installed in the aeration tank to raise the water temperature. The patent of publication No. CN212293236U is to heat up the sewage in the above-described manner. Because the heating device is directly and fixedly arranged in the aeration tank, impurities such as sludge in sewage can be attached to the heating device, and after long-time use, the impurities such as sludge slowly form a covering layer on the heating device, and certain isolation exists, so that the heat conduction effect of the heating device on sewage is poor, and the energy consumption is increased.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the low-temperature high-altitude sewage treatment device and the method, which solve the problem that a heating device in the low-temperature high-altitude sewage treatment device of the prior art affects heat transfer due to sludge, reduce the adhesion of the sludge on the heating device, facilitate heat conduction to sewage and reduce energy consumption.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the low-temperature high-altitude sewage treatment device comprises an aeration tank, a water inlet pipe and a water outlet pipe, wherein the water inlet pipe is communicated with a sludge return pipe, and a shaking heating mechanism for heating sewage is arranged on the aeration tank.
The shaking heating mechanism comprises a supporting frame which is slidably arranged in the aeration tank, a plurality of heating pieces are arranged on the supporting frame, a push-pull rod is fixed on the supporting frame, a connecting rod is rotatably arranged on the push-pull rod, the other end of the connecting rod is rotatably provided with a deflection rod, a rotating plate is fixed on the deflection rod, a rotating shaft is fixed at the other end of the rotating plate, a supporting frame is fixed on the aeration tank, and a motor for driving the rotating shaft to rotate is arranged on the supporting frame.
The shaking heating mechanism is provided with a scraping mechanism for scraping the sludge attached to the heating piece, and a tensioning mechanism for transmission is arranged between the scraping mechanism and the shaking heating mechanism.
Preferably, the support frame comprises a first support rod and a second support rod, a connecting rod for improving stability is fixed between the first support rod and the second support rod, and the push-pull rod is fixed on the connecting rod. The heating piece comprises an electric heating rod arranged on a first supporting rod, a sealing connecting sleeve is fixed at the position of the first supporting rod corresponding to the electric heating rod, and a protective sleeve is arranged on the sealing connecting sleeve in a threaded manner. The aeration device is characterized in that an aeration mechanism is arranged on the aeration tank and comprises a plurality of branch pipes fixed in the aeration tank, an aeration head is arranged on the branch pipes in a communicating manner, a gas pipe is arranged on the branch pipes in a communicating manner, and one ends of the gas pipe, far away from the branch pipes, extend out of the aeration tank and are provided with an aeration fan in a communicating manner.
Preferably, the scraping mechanism comprises two vertical rods fixed on the first support rod and the second support rod respectively, a reciprocating screw rod is rotatably arranged on the vertical rods, a moving block is arranged on the reciprocating screw rod in a transmission mode, a sliding column fixed with the vertical rods is slidably arranged on the moving block, vertical rods are fixed on the moving block, a cross rod is fixed at the other end of each vertical rod, a plurality of connecting plates with through holes are fixed at the other end of each cross rod, and detachable cleaning brush pieces are arranged on the connecting plates. The cleaning brush piece comprises a first semi-ring brush and a second semi-ring brush, a plurality of elastic clamping rods are fixed on the first semi-ring brush, and clamping holes which are clamped with the elastic clamping rods are formed in the second semi-ring brush.
Preferably, the tensioning mechanism comprises a supporting plate fixed on the aeration tank, a first belt wheel arranged on the rotating shaft in a sleeved mode and a second belt wheel arranged on the reciprocating screw in a sleeved mode, a moving rod is slidably arranged on the supporting plate, a limiting plate is fixed to the bottom end of the moving rod, a spring is sleeved on the moving rod and fixed between the supporting plate and the limiting plate, a round shaft is rotatably arranged at the top end of the moving rod, a third belt wheel is arranged on the round shaft in a sleeved mode, and a transmission belt is sleeved between the third belt wheel, the second belt wheel and the first belt wheel.
Preferably, the second support rod is provided with a notch corresponding to the position of the protective sleeve, a positioning mechanism for preventing the protective sleeve from deflecting is arranged in the notch, the positioning mechanism comprises an elastic telescopic rod fixed in the notch, a pulling plate is fixed on a telescopic part of the elastic telescopic rod, a strip-shaped hole is formed in the pulling plate, an elastic plate is fixed in the notch, a hanging plate for clamping the pulling plate is fixed on the elastic plate, and a positioning hole spliced with the elastic telescopic rod is formed in the protective sleeve.
Preferably, the movable block is provided with a throwing mechanism, the throwing mechanism comprises a storage tank which is arranged on the movable block and used for storing flocculating agents, a throwing pipe is symmetrically arranged at the bottom end of the storage tank in a communicated mode, an electromagnetic valve is arranged on the vertical section of the throwing pipe, and a plurality of distributing pipes are communicated on the inclined section of the throwing pipe.
The invention also provides a sewage treatment method of the low-temperature high-altitude sewage treatment device, which specifically comprises the following steps:
1) Sewage flows into the aeration tank from the water inlet pipe, the throwing mechanism is controlled to throw flocculant into the aeration tank, and the aeration mechanism is controlled to perform aeration treatment on the sewage.
2) In sewage aeration treatment, the shaking heating mechanism is controlled to heat sewage, and meanwhile, the sludge on the heating member is scraped by the scraping mechanism.
3) The sewage after aeration treatment flows out from the water outlet pipe, and part of the flowing activated sludge can return to the aeration tank from the sludge return pipe.
(III) beneficial effects
The invention provides a low-temperature high-altitude sewage treatment device and a method, which have the following beneficial effects:
1. by adding the aeration tank, the shaking heating mechanism and the like, sewage flows into the aeration tank from the water inlet pipe, the shaking heating mechanism is controlled to heat the sewage, so that the microorganisms in the activated sludge are ensured to have good activity, and the heating piece can shake back and forth during heating, so that the adhesion quantity of the sludge on the heating piece can be reduced, the heat is conductive to the sewage, and the energy consumption is reduced.
2. Through adding tensioning mechanism and striking off the mechanism, shake the heating mechanism during operation, through tensioning mechanism's transmission, can drive striking off the mechanism work, further clear up the mud that adheres to on the heating piece, further improved thermal conduction effect, the power consumption reduces.
3. Through adding straining device, the starter motor drives the pivot and rotates, through the transmission of band pulley one, band pulley two, band pulley three and drive belt, can drive reciprocating screw's rotation, realized the transmission, the linkage nature is good, compact structure, need not to additionally use the electric device to drive reciprocating screw rotation, also reduced the cost.
4. Through adding the mechanism of throwing in, open the solenoid valve, flocculant in the holding vessel can follow throwing in pipe and divide the material pipe and fall into in the aeration tank, because throwing in the mechanism can remove, the throwing mechanism of removal can be with the flocculant more even spill in the sewage in the aeration tank, has guaranteed that each part sewage has better flocculation effect.
5. Through adding positioning mechanism, the back is installed to the sheath section of thick bamboo, and steerable elasticity telescopic link inserts in the locating hole, plays spacing effect to the sheath section of thick bamboo, can prevent that the sheath sleeve from taking place to deflect because of rocking, avoids sheath sleeve and sealed adapter sleeve to take place to deflect not hard up and lead to sewage to get into in the sheath sleeve.
6. Through adding the clearance brush piece, outwards break off semi-ring brush one and semi-ring brush two for elastic clamping rod breaks away from the draw-in hole, can take off the clearance brush piece, reverse operation can install new semi-ring brush one and semi-ring brush two on the connecting plate, makes the loading and unloading of clearance brush piece comparatively convenient.
The invention can reduce the adhesion amount of the sludge on the heating element, is beneficial to heat conduction to sewage, improves the heat conduction effect and reduces the energy consumption.
Drawings
FIG. 1 is a schematic diagram of a sewage treatment apparatus according to the present invention;
FIG. 2 is a schematic view of another view angle structure of the sewage treatment apparatus of the present invention;
FIG. 3 is a schematic view of the structure of the shaking heating mechanism, the tensioning mechanism and the scraping mechanism of the present invention;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic view of the tensioning mechanism of the present invention;
FIG. 6 is a schematic view of a portion of the scraping mechanism of the present invention;
FIG. 7 is an exploded view of the cleaning brush of the present invention;
FIG. 8 is a schematic view of a dispensing mechanism according to the present invention;
FIG. 9 is a schematic view of a support frame structure according to the present invention;
FIG. 10 is an enlarged schematic view of portion B of FIG. 9 in accordance with the present invention;
FIG. 11 is a semi-isolated view of a heating element structure of the present invention;
FIG. 12 is a schematic view of the structure of the aeration mechanism of the present invention.
In the figure: 1. an aeration tank; 2. an aeration mechanism; 21. an aeration fan; 22. a gas pipe; 23. a branch pipe; 24. an aeration head; 3. shaking the heating mechanism; 31. a support frame; 32. a rotating shaft; 33. a rotating plate; 34. a deflection rod; 35. a connecting rod; 36. a push-pull rod; 37. a support frame; 371. a first support rod; 372. a second support rod; 373. a connecting rod; 38. a heating member; 381. an electric heating rod; 382. a protective sleeve; 383. sealing the connecting sleeve; 39. a motor; 4. a tensioning mechanism; 41. a belt wheel I; 42. a belt wheel II; 43. a belt wheel III; 44. a transmission belt; 45. a circular shaft; 46. a moving rod; 47. a support plate; 48. a spring; 49. a limiting plate; 5. a scraping mechanism; 51. a vertical rod; 52. a reciprocating screw; 53. a spool; 54. a moving block; 55. a vertical rod; 56. a cross bar; 57. a connecting plate; 58. cleaning the brush; 581. half rings are brushed first; 582. an elastic clamping rod; 583. half-ring brushes II; 584. a clamping hole; 6. a delivery mechanism; 61. a storage tank; 62. a delivery tube; 63. a material dividing pipe; 64. an electromagnetic valve; 7. a positioning mechanism; 71. an elastic telescopic rod; 72. positioning holes; 73. pulling a plate; 74. a bar-shaped hole; 75. an elastic plate; 76. a hanging plate; 8. a water inlet pipe; 9. a sludge return pipe; 10. and a water outlet pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
As shown in figures 1-12, the low-temperature high-altitude sewage treatment device comprises an aeration tank 1, a water inlet pipe 8 and a water outlet pipe 10, wherein the water inlet pipe 8 is communicated with a sludge return pipe 9, a shaking heating mechanism 3 for heating sewage is arranged on the aeration tank 1, a scraping mechanism 5 for scraping the sludge attached to a heating piece 38 is arranged on the shaking heating mechanism 3, and a tensioning mechanism 4 for transmission is arranged between the scraping mechanism 5 and the shaking heating mechanism 3. Wherein, sewage flows into the aeration tank 1 from the water inlet pipe 8, the shaking heating mechanism 3 is controlled to heat the sewage, so that the microorganisms in the activated sludge are ensured to have good activity, and the heating element 38 can shake back and forth during heating, so that the adhesion quantity of the sludge on the heating element can be reduced, the heat conduction is facilitated, the energy consumption is reduced, and meanwhile, the movement range of the heating element 38 is increased, and the uniform heating of each section of sewage in the aeration tank 1 is facilitated; when the heating mechanism 3 is rocked to move, the scraping mechanism 5 can be driven to work through the transmission of the tensioning mechanism 4, and the sludge attached to the heating piece 38 is further cleaned, so that heat is guaranteed to be conducted into sewage.
The shaking heating mechanism 3 comprises a supporting frame 37 which is slidably arranged in the aeration tank 1, the supporting frame 37 comprises a first supporting rod 371 and a second supporting rod 372, a connecting rod 373 for improving stability is fixed between the first supporting rod 371 and the second supporting rod 372, a push-pull rod 36 is fixed on the connecting rod 373, a plurality of heating pieces 38 are arranged on the supporting frame 37, a push-pull rod 36 is fixed on the supporting frame 37, a connecting rod 35 is rotatably arranged on the push-pull rod 36, a deflection rod 34 is rotatably arranged at the other end of the connecting rod 35, a rotating plate 33 is fixed on the deflection rod 34, a rotating shaft 32 is fixed at the other end of the rotating plate 33, a supporting frame 31 is fixed on the aeration tank 1, and a motor 39 for driving the rotating shaft 32 to rotate is arranged on the supporting frame 31. The motor 39 is started to drive the rotating shaft 32 to rotate, then drive the rotating plate 33 and the eccentric rod 34 thereon to rotate, and drive the push-pull rod 36 to move back through the transmission of the connecting rod 35, so that the supporting frame 37 and the heating element 38 thereon can be driven to move back and forth, the heating element 38 can shake back and forth during heating, the adhesion amount of sludge on the heating element can be reduced, the heat conduction is facilitated, and the energy consumption is reduced.
In summary, the shaking heating mechanism 3 heats the sewage in the working process, so that the microorganisms in the activated sludge are ensured to have good activity, and as the heating element 38 can shake back and forth during heating, the adhesion amount of the sludge on the heating element can be reduced, the heat conduction is facilitated, thereby reducing the energy consumption, and meanwhile, the scraping mechanism 5 can be driven to work through the transmission of the tensioning mechanism 4, the sludge adhered on the heating element 38 is further cleaned, and the heat conduction effect is improved.
Specifically, the heating element 38 includes an electric heating rod 381 mounted on a first support rod 371, a sealing connection sleeve 383 is fixed on the first support rod 371 corresponding to the electric heating rod 381, a protective sleeve 382 is screwed on the sealing connection sleeve 383, and the protective sleeve 382 is made of steel or copper, so that heat is conducted, and the steel protective sleeve 382 is selected to reduce cost. Wherein, the arrangement of the sheath tube 382 can prevent the rusting of the electric heating rod 381 by sewage, and the rusted sheath tube 382 can be replaced periodically.
In the embodiment, an aeration mechanism 2 is arranged on the aeration tank 1, the aeration mechanism 2 comprises a plurality of branch pipes 23 fixed in the aeration tank 1, an aeration head 24 is arranged on the branch pipes 23 in a communicating way, a gas pipe 22 is arranged on the branch pipes 23 in a communicating way, and one end of the gas pipe 22, which is far away from the branch pipes 23, extends out of the aeration tank 1 and is provided with an aeration fan 21 in a communicating way. Wherein, the aeration fan 21 is started, air enters the branch pipe 23 through the air pipe 22, and finally is sprayed out from the aeration head 24, so that the aeration treatment of sewage is realized.
Example 2
Referring to fig. 3 and 6-7, based on embodiment 1, the scraping mechanism 5 includes two uprights 51 respectively fixed on a first support bar 371 and a second support bar 372, a reciprocating screw 52 is rotatably mounted on the uprights 51, a moving block 54 is mounted on the reciprocating screw 52 in a transmission manner, a sliding post 53 fixed to the uprights 51 is slidably mounted on the moving block 54, a vertical rod 55 is fixed to the moving block 54, a cross bar 56 is fixed to the other end of the vertical rod 55, a plurality of connecting plates 57 with through holes are fixed to the other end of the cross bar 56, the through holes on the connecting plates 57 can be penetrated by elastic clamping rods 582 normally, and detachable cleaning brushes 58 are arranged on the connecting plates 57. When the rotating shaft 32 rotates, the tensioning mechanism 4 drives the reciprocating screw 52 to rotate, so that the moving block 54 can be driven to reciprocate, and the vertical rod 51, the cross rod 56, the connecting plate 57 and the cleaning brush 58 on the connecting plate can be driven to reciprocate, so that the sludge in the protective sleeve 382 in the cleaning brush 58 is cleaned and scraped, the sludge attached to the protective sleeve 382 can be scraped sufficiently, the heat conduction effect of the protective sleeve 382 on sewage is improved, and the energy consumption is further reduced.
Further, the cleaning brush 58 includes a first half-ring brush 581 and a second half-ring brush 583, a plurality of elastic clamping rods 582 are fixed on the first half-ring brush 581, and a clamping hole 584 clamped with the elastic clamping rods 582 is formed in the second half-ring brush 583. When the cleaning brush 58 needs to be replaced after being used for a long time, the first 581 and the second 583 half-ring brushes are outwards broken, so that the elastic clamping rod 582 is separated from the clamping hole 584, the cleaning brush 58 can be removed, and the new first 581 and the new second 583 half-ring brushes can be installed on the connecting plate 57 by reverse operation, so that the cleaning brush 58 is convenient to assemble and disassemble.
Example 3
Referring to fig. 3 and 5, on the basis of embodiment 2, the tensioning mechanism 4 includes a support plate 47 fixed on the aeration tank 1, a first pulley 41 sleeved on the rotating shaft 32, and a second pulley 42 sleeved on the reciprocating screw 52, a moving rod 46 is slidably mounted on the support plate 47, a limiting plate 49 is fixed at the bottom end of the moving rod 46, a spring 48 is sleeved on the moving rod 46, the spring 48 is fixed between the support plate 47 and the limiting plate 49, a circular shaft 45 is rotatably mounted at the top end of the moving rod 46, a third pulley 43 is sleeved on the circular shaft 45, and a driving belt 44 is sleeved between the third pulley 43, the second pulley 42 and the first pulley 41. The motor 39 is started to drive the rotating shaft 32 to rotate, and the reciprocating screw 52 can be driven to rotate through the transmission of the belt pulley I41, the belt pulley II 42, the belt pulley III 43 and the transmission belt 44, so that the transmission is realized; when the heating mechanism 3 is rocked to work, the belt pulley II 42 moves back and forth along with the scraping mechanism 5, when the belt pulley II 42 is far away from the belt pulley I41, the belt pulley III 43 moves upwards, the spring 48 always keeps the tension state of the transmission belt 44, when the belt pulley II 42 is close to the belt pulley I41, the belt pulley III 43 moves downwards under the elastic force of the spring 48, so that the transmission of the scraping mechanism 5 in a moving state is realized, the linkage performance is good, the structure is compact, an electric device is not required to be additionally used for driving the reciprocating screw 52 to rotate, and the cost is reduced.
Example 4
Referring to fig. 9-10, on the basis of embodiment 3, a notch is formed in the second support rod 372 corresponding to the position of the sleeve 382, a positioning mechanism 7 for preventing the sleeve 382 from deflecting is arranged in the notch, the positioning mechanism 7 comprises an elastic telescopic rod 71 fixed in the notch, a pull plate 73 is fixed on a telescopic part of the elastic telescopic rod 71, a strip-shaped hole 74 is formed in the pull plate 73, an elastic plate 75 is fixed in the notch, a hanging plate 76 for clamping the pull plate 73 is fixed on the elastic plate 75, and a positioning hole 72 for plugging the elastic telescopic rod 71 is formed in the sleeve 382. Before the sleeve 382 is installed, in the process of pulling the pull plate 73 (the elastic telescopic rod 71 is compressed), the elastic plate 75 is pressed down, so that the elastic plate 75 is bent downwards, the hanging plate 76 on the elastic plate passes through the strip-shaped hole 74, then the elastic plate 75 is restored, the hanging plate 76 can be hung on the pull plate 73, the sleeve 382 is mounted on the sealing connecting sleeve 383 in a threaded manner, in the process, the elastic telescopic rod 71 cannot prevent the sleeve 382 from being hindered, the operation is convenient, after the sleeve 382 is installed, the positioning hole 72 is opposite to the elastic telescopic rod 71, at the moment, the hanging plate 76 is controlled to be separated from the pull plate 73, the telescopic end of the elastic telescopic rod 71 can be inserted into the positioning hole 72, the limiting effect is achieved on the sleeve 382, the sleeve 382 can be prevented from being deflected due to shaking, and sewage is prevented from entering the sleeve 382 and the sealing connecting sleeve 383 due to deflection looseness.
Example 5
Referring to fig. 8, on the basis of embodiment 4, a feeding mechanism 6 is provided on a moving block 54, the feeding mechanism 6 includes a storage tank 61 installed on the moving block 54 for storing flocculant, a feeding pipe 62 is installed at the bottom end of the storage tank 61 in symmetrical communication, an electromagnetic valve 64 is installed on the vertical section of the feeding pipe 62, and a plurality of distributing pipes 63 are connected on the inclined section of the feeding pipe 62. Wherein, when aeration is performed, the solenoid valve 64 can be controlled to be opened, the flocculant in the storage tank 61 can enter the feeding pipe 62, and then the flocculant can fall into the aeration tank 1 from the feeding pipe 62 and the distributing pipe 63; because the throwing mechanism 6 is arranged on the moving block 54 and can move along with the movement of the moving block 54, the moving throwing mechanism 6 can uniformly spray the flocculating agent into the sewage in the aeration tank 1, so that the better flocculating effect of each part of sewage is ensured.
Example 6
The embodiment provides a sewage treatment method of a low-temperature high-altitude sewage treatment device, which specifically comprises the following steps:
1) Sewage flows into the aeration tank 1 from the water inlet pipe 8, the throwing mechanism 6 is controlled to throw flocculant into the aeration tank 1, and the aeration mechanism 2 is controlled to perform aeration treatment on the sewage.
2) In the sewage aeration treatment, the shaking heating mechanism 3 is controlled to heat up sewage, and the sludge on the heating member 38 is scraped off by the scraping mechanism 5.
3) The sewage after aeration treatment flows out from the water outlet pipe 10, and part of the active sludge which flows out can return to the aeration tank 1 from the sludge return pipe 9.
All kinds of parts used in the application file are standard parts, the standard parts can be purchased from the market, the specific connection mode of all parts adopts conventional means such as mature bolts, rivets and welding in the prior art, and the mechanical, part and electrical equipment all adopt conventional models in the prior art.
The embodiments of the present invention are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various extensions and modifications can be made without departing from the spirit of the present invention.
Claims (10)
1. The low-temperature high-altitude sewage treatment device comprises an aeration tank (1), a water inlet pipe (8) and a water outlet pipe (10) which are arranged on the aeration tank, wherein a sludge return pipe (9) is communicated with the water inlet pipe (8), and the low-temperature high-altitude sewage treatment device is characterized in that a shaking heating mechanism (3) for heating sewage is arranged on the aeration tank (1);
the shaking heating mechanism (3) comprises a supporting frame (37) which is slidably arranged in the aeration tank (1), a plurality of heating pieces (38) are arranged on the supporting frame (37), a push-pull rod (36) is fixed on the supporting frame (37), a connecting rod (35) is rotatably arranged on the push-pull rod (36), a deflection rod (34) is rotatably arranged at the other end of the connecting rod (35), a rotating plate (33) is fixed on the deflection rod (34), a rotating shaft (32) is fixed at the other end of the rotating plate (33), a supporting frame (31) is fixed on the aeration tank (1), and a motor (39) for driving the rotating shaft (32) to rotate is arranged on the supporting frame (31);
the shaking heating mechanism (3) is provided with a scraping mechanism (5) for scraping the sludge attached to the heating piece (38), and a tensioning mechanism (4) for transmission is arranged between the scraping mechanism (5) and the shaking heating mechanism (3).
2. The low-temperature high-altitude sewage treatment apparatus as claimed in claim 1, wherein the supporting frame (37) comprises a first supporting rod (371) and a second supporting rod (372), a connecting rod (373) for improving stability is fixed between the first supporting rod (371) and the second supporting rod (372), and the push-pull rod (36) is fixed on the connecting rod (373).
3. A low-temperature high-altitude sewage treatment apparatus according to claim 2, wherein the heating element (38) comprises an electric heating rod (381) mounted on a first support rod (371), a sealing connecting sleeve (383) is fixed on the first support rod (371) corresponding to the electric heating rod (381), and a protective sleeve (382) is mounted on the sealing connecting sleeve (383) in a threaded manner.
4. The low-temperature high-altitude sewage treatment device according to claim 2, wherein the scraping mechanism (5) comprises two vertical rods (51) fixed on a first supporting rod (371) and a second supporting rod (372) respectively, a reciprocating screw (52) is rotatably installed on the vertical rods (51), a moving block (54) is installed on the reciprocating screw (52) in a transmission manner, a sliding column (53) fixed with the vertical rods (51) is slidably installed on the moving block (54), a vertical rod (55) is fixed on the moving block (54), a cross rod (56) is fixed at the other end of the vertical rod (55), a plurality of connecting plates (57) with through holes are fixed at the other end of the cross rod (56), and detachable cleaning brushes (58) are arranged on the connecting plates (57).
5. The low-temperature high-altitude sewage treatment device according to claim 4, wherein the cleaning brush member (58) comprises a first half-ring brush (581) and a second half-ring brush (583), a plurality of elastic clamping rods (582) are fixed on the first half-ring brush (581), and clamping holes (584) which are clamped with the elastic clamping rods (582) are formed in the second half-ring brush (583).
6. The low-temperature high-altitude sewage treatment device according to claim 4, wherein the tensioning mechanism (4) comprises a supporting plate (47) fixed on the aeration tank (1), a belt wheel I (41) sleeved on the rotating shaft (32) and a belt wheel II (42) sleeved on the reciprocating screw rod (52), a moving rod (46) is slidably installed on the supporting plate (47), a limiting plate (49) is fixed at the bottom end of the moving rod (46), a spring (48) is sleeved on the moving rod (46), the spring (48) is fixed between the supporting plate (47) and the limiting plate (49), a round shaft (45) is rotatably installed at the top end of the moving rod (46), a belt wheel III (43) is sleeved on the round shaft (45), and a driving belt (44) is sleeved between the belt wheel III (43), the belt wheel II (42) and the belt wheel I (41).
7. A low-temperature high-altitude sewage treatment device as claimed in claim 3, wherein a notch is formed in the second support rod (372) at a position corresponding to the protective sleeve (382), a positioning mechanism (7) for preventing the protective sleeve (382) from deflecting is arranged in the notch, the positioning mechanism (7) comprises an elastic telescopic rod (71) fixed in the notch, a pulling plate (73) is fixed on a telescopic part of the elastic telescopic rod (71), a strip-shaped hole (74) is formed in the pulling plate (73), an elastic plate (75) is fixed in the notch, a hanging plate (76) for clamping the pulling plate (73) is fixed on the elastic plate (75), and a positioning hole (72) spliced with the elastic telescopic rod (71) is formed in the protective sleeve (382).
8. The low-temperature high-altitude sewage treatment device according to claim 4, wherein the moving block (54) is provided with a throwing mechanism (6), the throwing mechanism (6) comprises a storage tank (61) which is arranged on the moving block (54) and used for storing flocculating agent, a throwing pipe (62) is symmetrically arranged at the bottom end of the storage tank (61) in a communicating manner, an electromagnetic valve (64) is arranged on a vertical section of the throwing pipe (62), and a plurality of distributing pipes (63) are arranged on an inclined section of the throwing pipe (62) in a communicating manner.
9. A low temperature high altitude sewage treatment apparatus as claimed in claim 1, wherein the aeration tank (1) is provided with an aeration mechanism (2), the aeration mechanism (2) comprises a plurality of branch pipes (23) fixed in the aeration tank (1), the branch pipes (23) are provided with aeration heads (24) in communication, the branch pipes (23) are provided with air pipes (22) in communication, and one ends of the air pipes (22) far away from the branch pipes (23) extend out of the aeration tank (1) and are provided with aeration fans (21) in communication.
10. A sewage treatment method using the low-temperature high-altitude sewage treatment apparatus according to any one of claims 1 to 9, characterized in that the sewage treatment method comprises the steps of:
1) Sewage flows into the aeration tank (1) from the water inlet pipe (8), the feeding mechanism (6) is controlled to feed flocculant into the aeration tank (1), and the aeration mechanism (2) is controlled to perform aeration treatment on the sewage;
2) In sewage aeration treatment, the shaking heating mechanism (3) is controlled to heat sewage, and meanwhile, the scraping mechanism (5) is used for scraping the sludge on the heating piece (38);
3) The sewage after aeration treatment flows out from a water outlet pipe (10), and part of the flowing activated sludge can return to the aeration tank (1) from a sludge return pipe (9).
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| CN202211046486.3A CN115403137B (en) | 2022-08-30 | 2022-08-30 | Low-temperature high-altitude sewage treatment device and method |
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| CN115403137B true CN115403137B (en) | 2023-07-18 |
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