CN116459585B - Multistage sewage treatment system - Google Patents
Multistage sewage treatment system Download PDFInfo
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- CN116459585B CN116459585B CN202310727779.6A CN202310727779A CN116459585B CN 116459585 B CN116459585 B CN 116459585B CN 202310727779 A CN202310727779 A CN 202310727779A CN 116459585 B CN116459585 B CN 116459585B
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- 239000010865 sewage Substances 0.000 title claims abstract description 207
- 238000001914 filtration Methods 0.000 claims abstract description 102
- 239000012535 impurity Substances 0.000 claims abstract description 88
- 239000007787 solid Substances 0.000 claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 37
- 230000008569 process Effects 0.000 claims abstract description 34
- 239000000126 substance Substances 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims description 24
- 238000009825 accumulation Methods 0.000 claims description 8
- 238000004065 wastewater treatment Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 12
- 238000007599 discharging Methods 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 8
- 238000000746 purification Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/463—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/72—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/74—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging filtrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
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- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The application relates to the technical field of sewage treatment, in particular to a multi-stage sewage treatment system, which comprises an outer cylinder, an inner cylinder and a sewage discharge cylinder, wherein the inner cylinder can be rotationally arranged in the outer cylinder, the circumferential wall of the inner cylinder is in a ladder shape and is provided with N steps, N is more than or equal to 2, the circumferential wall surface of each step is surrounded to form a filtering area, the circumferential wall of the inner cylinder is provided with a drain hole, the drain hole can only pass through substances with preset size, the sewage discharge cylinder can be vertically and slidingly arranged in the inner cylinder in a rotating manner, the circumferential wall surface of the sewage discharge cylinder is provided with a sewage throwing hole, and the sewage discharge cylinder can be aligned with each filtering area. When the sewage disposal device is used, the sewage disposal cylinder receives sewage and throws the sewage out of the sewage throwing hole onto the inner cylinder in the rotation process, liquid in the sewage is thrown out of the water discharging hole onto the inner side wall surface of the outer cylinder in the rotation process of the inner cylinder, solid impurities in the sewage are remained on the inner side wall surface of the inner cylinder, the sewage is treated in a grading manner, and the sewage treatment effect of each stage is improved.
Description
Technical Field
The application relates to the technical field of sewage treatment, in particular to a multi-stage sewage treatment system.
Background
Sewage treatment refers to the process of purifying sewage to meet the water quality requirement of being discharged into a certain water body or reused. The sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscapes, medical treatment, catering and the like. In general, sewage contains various contaminants including insoluble solid particles, dissolved or colloidal organic substances, and microorganisms such as bacteria and viruses.
According to different properties of sewage components, the existing sewage treatment process mainly adopts three treatment methods of physics, chemistry and biology to carry out targeted purification treatment on sewage; in general, the actual sewage often contains various pollutants, and the expected effect cannot be achieved by adopting a single treatment method, so that three kinds of sewage treatment methods are comprehensively applied according to various factors such as the water quality, the water quantity, the treatment degree, the possibility of recycling useful substances, the fund site conditions and the like of the sewage.
The chinese patent of publication number CN106277606B discloses a high-efficiency and environment-friendly sewage treatment and purification device, which comprises a filtering chamber, a crushing chamber, a centrifugal separation chamber and a treatment and purification chamber which are connected in sequence from beginning to end via a pipeline; the filter chamber is used for primarily filtering large-particle dirt; the crushing chamber is used for crushing and secondarily filtering the medium-particle dirt; the centrifugal separation chamber is used for centrifuging sewage, precipitating substances heavier than water and floating the substances lighter than water on the water surface; the treatment purification chamber is used for filtering tiny impurities in water and collecting generated waste gas. Can be used singly or in combination according to the sewage treatment capacity.
In the practical use process, the high-efficiency environment-friendly sewage treatment purifying equipment has higher purifying cost when treating sewage, is easy to produce secondary pollution, has poor sewage treatment effect, is inconvenient to clean the treated sundries, and causes internal blockage, thereby affecting the purifying effect.
Disclosure of Invention
Based on the above, it is necessary to provide a multi-stage sewage treatment system for solving the problems of high purification cost, easiness in secondary pollution and poor sewage treatment effect in the existing sewage treatment process.
The above purpose is achieved by the following technical scheme:
a multi-stage wastewater treatment system, the multi-stage wastewater treatment system comprising:
an outer cylinder;
the inner cylinder can be rotatably arranged in the outer cylinder, the circumferential wall of the inner cylinder is of a ladder shape and is provided with N steps, N is more than or equal to 2, the circumferential wall surface of each step is surrounded to form a filtering area, the circumferential wall of the inner cylinder is provided with a drain hole, and the drain hole can only pass through substances with preset sizes;
the sewage draining cylinder can slide up and down along the vertical direction and can be rotatably arranged in the inner cylinder, a sewage throwing hole is formed in the circumferential wall surface of the sewage draining cylinder, and the sewage draining cylinder can sequentially correspond to one filtering area along the direction of increasing the radius of the circumferential wall surface of the inner cylinder;
when the sewage draining cylinder is used, the sewage draining cylinder receives sewage and throws the sewage out of the sewage throwing hole onto the inner side wall surface of the inner cylinder in the rotation process of the inner cylinder, liquid in the sewage is thrown out of the water draining hole onto the inner side wall surface of the outer cylinder in the rotation process of the inner cylinder, and solid impurities in the sewage are remained on the inner side wall surface of the inner cylinder.
Further, the multistage sewage treatment system further comprises a spray head, wherein the spray head can sequentially correspond to one filtering area along the radius increasing direction of the circumferential wall surface of the inner cylinder; when the sewage draining cylinder moves to the next stage filtering area, the spray head sprays water and washes solid impurities adhered to the inner side wall surface of the previous stage filtering area.
Further, the radius of the stepped circumferential wall surface of the inner cylinder sequentially increases from bottom to top in the vertical direction.
Further, a filter screen is arranged on the inner side circumferential wall surface of the inner cylinder, and the filter screen can only pass through substances with preset sizes.
Further, the multistage sewage treatment system further comprises a moving block which is arranged in the inner cylinder in a vertically sliding manner and can rotate; one end of the filter screen is arranged on the inner cylinder, and the other end of the filter screen is arranged on the moving block; the form of the filter screen can be changed when the moving block moves.
Further, trigger components are arranged at the corners of the inner side wall surface of the inner cylinder and used for sensing the accumulation amount of solid impurities at the inner side wall surface of the inner cylinder; when the solid impurity accumulation amount is larger than a preset value, the triggering component sends out a signal to enable the sewage draining cylinder to move to a next stage filtering area along the vertical direction.
Further, the trigger assembly comprises a fixed block, wherein a trigger and a wedge-shaped block capable of sliding up and down along the vertical direction are arranged at the bottom of the fixed block; when the solid impurity accumulation amount is larger than a preset value, the wedge-shaped block triggers the trigger, and the trigger sends out a signal to enable the sewage draining cylinder to move to a next-stage filtering area along the vertical direction.
Further, the multistage sewage treatment system further comprises a scraper, the scraper can be arranged in the inner cylinder in a vertical sliding mode, and the scraper is used for scraping solid impurities adhered to the inner side wall surface of the inner cylinder.
Further, the inner barrel and the blowdown barrel are reversed in direction.
Further, the multistage sewage treatment system further comprises a driving piece, wherein the driving piece is used for providing driving force for rotation of the inner cylinder.
The beneficial effects of the application are as follows:
the application provides a multistage sewage treatment system which comprises an outer cylinder, an inner cylinder and a sewage discharge cylinder, wherein when the multistage sewage treatment system is used, the sewage discharge cylinder receives sewage and throws the sewage out of a sewage throwing hole onto the inner side wall surface of the inner cylinder in the rotation process, liquid in the sewage is thrown out of a water discharging hole onto the inner side wall surface of the outer cylinder in the rotation process of the inner cylinder, and solid impurities in the sewage are remained on the inner side wall surface of the inner cylinder; by arranging the multi-stage filtering area, the smaller the radius of the filtering area is in the sewage treatment process, the faster the solid impurities in the sewage are accumulated in the filtering area, so that the moving time of the sewage discharge cylinder to the next-stage filtering area is shortened, and the overall sewage treatment time is further shortened; the larger the radius of the filtering area is, the larger the centrifugal force to which the sewage is subjected is, so that the treatment effect of the filtering area is improved; and the working time of the multistage filtration area when sewage is treated is overlapped, thereby being beneficial to reducing the whole treatment time of the sewage and improving the treatment efficiency of the sewage.
Further, by arranging the spray head, in the sewage treatment process, the spray head sprays water and washes the solid impurities adhered to the inner side wall surface of the inner barrel, so that the liquid adhered to the solid impurities is washed down, and the separation effect of the solid impurities and the liquid adhered to the solid impurities is improved.
Further, the radius of the stepped circumferential wall surface of the inner barrel from bottom to top along the vertical direction is sequentially increased, so that partial sewage is prevented from flowing into the filtering area under dehydration under the influence of gravity when the sewage is treated by the upper filtering area.
Furthermore, the filter screen is arranged on the circumferential wall surface of the inner side of the inner cylinder, so that liquid and solid impurities in the sewage are separated more thoroughly.
Further, through setting up the one end setting of movable block and filter screen on the inner tube, the other end sets up on the movable block for the movable block can change the form of filter screen, and then makes the solid impurity of adhesion on the filter screen discharge from the drain in unison, is convenient for collect.
Further, through setting up the scraper, after the blowdown section of thick bamboo stop work, the scraper can scrape down the solid impurity of adhesion on the inside wall face of inner tube, prevents to cause the influence to sewage treatment next time.
Further, by arranging the inner cylinder and the pollution discharge cylinder to turn reversely, in the sewage treatment process, the sewage from the pollution discharge cylinder can be impacted on the side wall surface of the inner cylinder at a larger relative speed, and the separation effect of liquid and solid impurities in the sewage is improved.
Drawings
FIG. 1 is a schematic perspective view of a multi-stage sewage treatment system according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a front view of a multi-stage sewage treatment system according to an embodiment of the present application;
FIG. 3 is a schematic top view of a multi-stage sewage treatment system according to an embodiment of the present application;
FIG. 4 is a cross-sectional view of the multi-stage wastewater treatment system of FIG. 3 taken along line A-A;
FIG. 5 is a schematic view of a partially enlarged structure of a portion B of the multi-stage sewage treatment system shown in FIG. 4;
fig. 6 is a schematic cross-sectional view of a multi-stage sewage treatment system according to an embodiment of the present application.
Wherein:
100. an outer cylinder; 101. a drain pipe; 102. a sewage outlet; 103. a first driving motor; 104. a second driving cylinder; 105. a moving block; 1051. a connecting ring; 110. a cylinder cover; 111. a sewage inlet pipe; 112. an explosion-proof lamp; 113. an observation window; 114. a water inlet pipe; 1141. a spray head; 115. a scraper;
200. an inner cylinder; 201. a drain hole; 210. a sewage discharge cylinder; 211. a sewage receiving pipe; 212. a dirt throwing hole; 220. a fixed block; 221. wedge blocks; 222. a pressure spring; 223. a trigger;
300. and a second driving motor.
Detailed Description
The present application will be further described in detail below with reference to examples, which are provided to illustrate the objects, technical solutions and advantages of the present application. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 6, a multi-stage sewage treatment system according to an embodiment of the present application is configured to treat sewage; in this embodiment, the multi-stage sewage treatment system includes an outer cylinder 100, an inner cylinder 200 and a sewage discharge cylinder 210 which are vertically arranged, wherein the top opening of the outer cylinder 100 is arranged, a cylinder cover 110 is hinged on the outer circumferential wall surface of the top of the outer cylinder 100, the cylinder cover 110 is used for closing the top opening of the outer cylinder 100, a sewage inlet pipe 111 and a second driving motor 300 are arranged at the top of the cylinder cover 110, the second driving motor 300 is fixedly connected to the cylinder cover 110 through bolts, a motor shaft of the second driving motor 300 stretches into the inner cylinder 100, a through hole is arranged at the bottom of the outer cylinder 100, the through hole forms a sewage discharge outlet 102 of the outer cylinder 100, a drain pipe 101 is arranged at the bottom of the outer cylinder 100, and the drain pipe 101 is used for uniformly discharging liquid in sewage; the top opening of the inner cylinder 200 is arranged, the inner cylinder 200 is coaxial and can be rotatably arranged in the outer cylinder 100, the circumferential wall of the inner cylinder 200 is in a ladder shape and is provided with N steps, N is more than or equal to 2, the circumferential wall surface of each step is surrounded to form a filtering area, the circumferential wall of the inner cylinder 200 is provided with a plurality of drain holes 201, the plurality of drain holes 201 are uniformly divided into a plurality of groups along the circumferential direction of the inner cylinder 200, the screen holes on the same bus of the inner cylinder 200 are in a group, and the drain holes 201 can only pass through substances with preset sizes, that is, the drain holes 201 can only pass through liquid; the sewage treatment device comprises an inner cylinder 200, a sewage treatment cylinder 210, a sewage treatment tube 211, a pipeline and a filtering area, wherein the motor shaft of the second driving motor 300 is provided with a first driving cylinder, the sewage treatment cylinder 210 can be rotationally arranged inside the inner cylinder 200 and is connected with an output shaft of the first driving cylinder, the sewage treatment cylinder 210 can rotate under the driving of the second driving motor 300, the sewage treatment cylinder 210 can slide up and down along the vertical direction under the action of the first driving cylinder, the top of the sewage treatment cylinder 210 can relatively rotationally be provided with the sewage treatment tube 211, the sewage treatment tube 211 is communicated with the sewage treatment cylinder 210, the sewage treatment tube 211 is communicated with the sewage inlet tube 111 through the pipeline, the pipeline comprises a vertical section and a horizontal section, one end of the vertical section can stretch out and draw back, the other end of the vertical section is communicated with one end of the sewage inlet tube 111, the other end of the horizontal section of the vertical section is communicated with the sewage treatment tube 211, the sewage treatment cylinder 210 is provided with a sewage throwing hole 212 on the circumferential wall surface of the sewage treatment cylinder 210, and the sewage treatment cylinder 210 can sequentially correspond to the filtering area along the direction of the radial increase of the circumferential wall surface of the inner cylinder 200.
Taking N as three as an example, that is, the circumferential wall surface of the inner cylinder 200 is stepped and has three steps, the circumferential wall surfaces of the three steps are enclosed together to form three filtering areas, and the radii of the three filtering areas are sequentially reduced or sequentially increased from bottom to top along the vertical direction; in use, the sewage discharge cylinder 210 is moved to correspond to the filtering area with the smallest radius in the vertical direction by the first driving cylinder, the second driving motor 300 is started, sewage is conveyed into the sewage discharge cylinder 210 from the sewage inlet pipe 111 through a pipeline by the water pump, the sewage discharge cylinder 210 rotates under the action of the second driving motor 300, the sewage is thrown out from the sewage throwing hole 212 to the inner side wall surface of the filtering area with the smallest radius in the rotating process, and liquid in the sewage is thrown out from the water draining hole 201 to the inner side wall surface of the outer cylinder 100 in the rotating process of the inner cylinder 200 and is uniformly discharged by the water draining pipe 101, and solid impurities in the sewage are remained on the inner side wall surface of the filtering area with the smallest radius.
After the drain cylinder 210 is operated for a preset time, solid impurities with a certain thickness are accumulated on the inner side wall surface of the filtering area with the smallest radius, and a certain amount of liquid is still contained on the solid impurities; the sewage cylinder 210 is moved to correspond to the filtering area with the moderate radius in the vertical direction through the first driving cylinder, the sewage cylinder 210 rotates under the action of the second driving motor 300 and throws sewage out of the sewage throwing hole 212 onto the inner side wall surface of the filtering area with the moderate radius in the rotating process, and on one hand, liquid in the sewage is thrown out of the water draining hole 201 onto the inner side wall surface of the outer cylinder 100 and uniformly discharged through the water draining pipe 101 in the rotating process of the inner cylinder 200, so that solid impurities in the sewage are remained on the inner side wall surface of the filtering area with the moderate radius; on the other hand, the liquid in the solid impurities on the inner side wall surface of the filter area with the smallest radius is thrown out onto the inner side wall surface of the outer cylinder 100 and uniformly discharged through the drain pipe 101.
After the drain cylinder 210 is operated for a preset time, solid impurities with a certain thickness are accumulated on the inner side wall surface of the filtering area with a moderate radius, and a certain amount of liquid is still contained on the solid impurities; the sewage cylinder 210 is moved to correspond to the filtering area with the largest radius in the vertical direction through the first driving cylinder, the sewage cylinder 210 rotates under the action of the second driving motor 300 and throws sewage out of the sewage throwing hole 212 onto the inner side wall surface of the filtering area with the largest radius in the rotating process, and liquid in the sewage is thrown out of the water draining hole 201 onto the inner side wall surface of the outer cylinder 100 and uniformly discharged through the water draining pipe 101 in the rotating process of the inner cylinder 200, so that solid impurities in the sewage are left on the inner side wall surface of the filtering area with the largest radius; on the other hand, the liquid in the solid impurities on the inner side wall surface of the filter area with the smallest radius and the liquid in the solid impurities on the inner side wall surface of the filter area with the moderate radius are thrown out to the inner side wall surface of the outer cylinder 100 and uniformly discharged through the drain pipe 101.
After the drain cylinder 210 is operated for a preset time, solid impurities with a certain thickness are accumulated on the inner side wall surface of the filtering area with the largest radius, and a certain amount of liquid is still contained on the solid impurities; the second driving motor 300 is turned off and the sewage is stopped from being introduced into the sewage discharging tube 210, the inner tube 200 continues to operate for a preset time, and in the process of rotating the inner tube 200, the liquid in the solid impurities on the inner wall surface of the filtering area with the smallest radius, the liquid in the solid impurities on the inner wall surface of the filtering area with the moderate radius and the liquid in the solid impurities on the inner wall surface of the filtering area with the largest radius are thrown out to the inner wall surface of the outer tube 100 and are uniformly discharged through the drain pipe 101.
By arranging the multi-stage filtering area, the smaller the radius of the filtering area is, the faster the solid impurities in the sewage are accumulated in the filtering area, so that the moving time of the sewage discharge cylinder 210 to the next-stage filtering area is shortened, and the overall sewage treatment time is further shortened; the larger the radius of the filtering area is, the larger the centrifugal force to which the sewage is subjected is, so that the treatment effect of the filtering area is improved; and the multistage filtration area is on throwing away the liquid of adhesion on the solid impurity on the inner wall face to the inner wall face of urceolus 100 and through the unified exhaust operating time overlap of drain pipe 101, helps reducing the holistic treatment time of sewage, improves the treatment effeciency of sewage.
It will be appreciated that the first drive cylinder may be provided as any one of a hydraulic cylinder, a pneumatic cylinder or an electric cylinder.
In order to improve the tightness between the cylinder cover 110 and the outer cylinder 100, a plurality of buckles are hinged on the outer circumference of the top of the cylinder cover 110, a plurality of clamping blocks clamped with the buckles are arranged on the outer circumference wall surface of the top of the cylinder cover 110, and when the cylinder cover is used, the tightness between the cylinder cover 110 and the outer cylinder 100 is improved through the clamping of the buckles and the clamping blocks.
In order to improve the safety of sewage treatment, an explosion-proof lamp 112 and an automatic pressure relief valve are arranged at the top of the cylinder cover 110, the explosion-proof lamp 112 is used for lighting an alarm when the air pressure inside the outer cylinder 100 exceeds a preset value in the sewage treatment process, and the air inside the outer cylinder 100 is discharged to the external environment through the automatic pressure relief valve, so that the air pressure inside the outer cylinder 100 is reduced, and accidents are prevented.
In order to facilitate observation of the condition of the interior of the inner tub 200 when filtering sewage, an observation window 113 is provided at the top of the tub cover 110, and the interior of the inner tub 200 can be observed through the observation window 113 when necessary.
In some embodiments, as shown in fig. 4, the multi-stage sewage treatment system further includes a driving member, where the driving member is used to provide a driving force for rotating the inner cylinder 200, in this embodiment, the driving member is a first driving motor 103, the first driving motor 103 is fixedly connected to an inner side wall surface of the outer cylinder 100 through a bolt, a motor shaft of the first driving motor 103 is inserted on a bottom of the inner cylinder 200, and the first driving motor 103 can drive the inner cylinder 200 to rotate.
It is understood that the second drive cylinder 104 may be configured as any one of a hydraulic cylinder, a pneumatic cylinder, or an electric cylinder.
In some embodiments, as shown in fig. 4, N water inlet pipes 114 are provided at the top of the cover 110, one end of each water inlet pipe 114 is connected to the water tank by a water pump, the other end is disposed inside the inner cylinder 200, a spray head 1141 is provided at one end of each water inlet pipe 114 located inside the inner cylinder 200, and one end of each water inlet pipe 114 located inside the inner cylinder 200 corresponds to one filtering area.
Taking N as three as an example, the circumferential wall surface of the inner barrel 200 is in a ladder shape and is provided with three steps, the circumferential wall surfaces of the three steps are surrounded to form three filtering areas, the number of the water inlet pipes 114 is three, and one end of one water inlet pipe 114 positioned in the inner barrel 200 corresponds to one filtering area; when the pollution discharge cylinder 210 moves to correspond to the filtering area with the moderate radius along the vertical direction, the water inlet pipe 114 corresponding to the filtering area with the minimum radius sprays water to the solid impurities on the inner side wall surface of the filtering area with the minimum radius through the spray head 1141, so that the separation effect of the solid impurities and the liquid adhered on the solid impurities is improved; when the pollution discharge cylinder 210 moves to correspond to the filtering area with the largest radius along the vertical direction, the water inlet pipe 114 corresponding to the filtering area with the medium radius sprays water to the solid impurities on the inner side wall surface of the filtering area with the medium radius through the spray head 1141, so that the separation effect of the solid impurities and the liquid adhered on the solid impurities is improved; after the drain cylinder 210 is operated for a preset time, solid impurities with a certain thickness are accumulated on the inner side wall surface of the filtering area with the largest radius, a certain amount of liquid is still remained on the solid impurities, and the water inlet pipe 114 corresponding to the filtering area with the largest radius sprays water to the solid impurities on the inner side wall surface of the filtering area with the largest radius through the spray head 1141, so that the separation effect of the solid impurities and the liquid adhered on the solid impurities is improved.
It will be appreciated that in order to enhance the separation of solid impurities and liquid adhering thereto, the number of spray heads 1141 provided at one end of each inlet pipe 114 within the inner barrel 200 is plural.
In a further embodiment, as shown in fig. 4, the radius of the stepped circumferential wall surface of the inner cylinder 200 increases sequentially from bottom to top in the vertical direction, and during the sewage treatment, part of sewage is prevented from flowing into the filtering area under the influence of gravity when sewage is treated in the upper filtering area.
In some embodiments, the inner circumferential wall of the inner cylinder 200 is provided with a filter screen, which can only pass through substances of a preset size, that is, the filter screen can only pass through liquid, so that liquid and solid impurities in sewage can be separated more thoroughly.
In a further embodiment, as shown in fig. 4, a second driving cylinder 104 is arranged on a motor shaft of a first driving motor 103, a moving block 105 is arranged on an output shaft of the second driving cylinder 104, a connecting ring 1051 is arranged on the moving block 105, the moving block 105 is connected with the connecting ring 1051 through a connecting rod, one end of a filter screen is arranged on the top inner circumferential surface of the inner cylinder 200, and the other end of the filter screen is arranged on the connecting ring 1051; the movable block 105 can move up and down along the vertical direction under the drive of the second driving cylinder 104, so that the form of the filter screen can be changed, solid impurities adhered to the filter screen can be uniformly discharged from the sewage outlet 102, and the solid impurities are convenient to collect.
It is understood that the second drive cylinder 104 may be configured as any one of a hydraulic cylinder, a pneumatic cylinder, or an electric cylinder.
In some embodiments, trigger assemblies are provided at the corners of the inner sidewall surface of the inner barrel 200, the trigger assemblies being configured to sense the amount of solid impurity accumulation at the inner sidewall surface of the inner barrel 200; when the solid impurity accumulation amount is larger than a preset value, the triggering component sends out a signal to enable the pollution discharge barrel 210 to move to the next stage of filtering area along the vertical direction; taking N as three as an example, the circumferential wall surface of the inner barrel 200 is in a ladder shape and is provided with three steps, the circumferential wall surfaces of the three steps are surrounded to form three filtering areas, the number of the triggering components is three, and one triggering component corresponds to one filtering area.
In a further embodiment, as shown in fig. 4 and 5, the trigger assembly includes a fixed block 220, a trigger 223 and a wedge block 221 capable of sliding up and down in a vertical direction are provided at the bottom of the fixed block 220, when the accumulated amount of solid impurities is greater than a preset value, the solid impurities drive the wedge block 221 to move up in the vertical direction and trigger the trigger 223, and the trigger 223 sends a signal to move the drain cylinder 210 to a next filtering area in the vertical direction.
It will be appreciated that the trigger 223 may be provided as a pressure sensor or as a button.
In other embodiments, as shown in fig. 5, in order to increase the amount of sewage treatment, a compression spring 222 is provided between the fixed block 220 and the wedge block 221, one end of the compression spring 222 is fixedly connected to the fixed block 220, and the other end is fixedly connected to the wedge block 221, and when the wedge block 221 moves upward in the vertical direction and presses down the trigger 223, the elastic force of the compression spring 222 needs to be overcome, so that the amount of the required fixed impurities is greater, and the amount of sewage treatment is greater.
In some embodiments, as shown in fig. 6, a controller is disposed at the top of the cylinder cover 110, one end of the controller extends into the outer cylinder 100, one end of the controller extending into the outer cylinder 100 can extend up and down along the vertical direction, and a scraper 115 is disposed at the end, after the sewage discharge cylinder 210 stops working, the scraper 115 can scrape off solid impurities adhered to the inner side wall surface of the inner cylinder 200, so as to prevent the influence on the next sewage treatment.
In some embodiments, the first driving motor 103 and the second driving motor 300 are set to have the same rotation direction, so that the rotation directions of the inner cylinder 200 and the sewage discharge cylinder 210 are opposite, and thus the sewage discharged from the sewage discharge cylinder 210 can strike the side wall surface of the inner cylinder 200 at a larger relative speed in the sewage treatment process, so that the separation effect of liquid and solid impurities in the sewage is improved.
In combination with the above embodiment, the use principle and working process of the embodiment of the present application are as follows:
before use, the cylinder cover 110 is covered on the outer cylinder 100, and the cylinder cover 110 is in sealing connection with the outer cylinder 100 through the clamping connection of the clamping block and the clamping buckle.
Taking N as three as an example, when the sewage draining cylinder 210 is moved to correspond to the filtering area with the smallest radius in the vertical direction by the first driving cylinder, the first driving motor 103 and the second driving motor 300 are started, sewage is transported into the sewage draining cylinder 210 from the sewage inlet pipe 111 through a pipeline by the water pump, the sewage draining cylinder 210 rotates under the action of the second driving motor 300, and is thrown out to the inner side wall surface of the filtering area with the smallest radius from the sewage throwing hole 212 in the rotating process, the inner cylinder 200 rotates under the action of the first driving motor 103, and liquid in the sewage is thrown out to the inner side wall surface of the outer cylinder 100 from the water draining hole 201 in the rotating process of the inner cylinder 200 and is uniformly discharged through the water draining pipe 101, and solid impurities in the sewage are remained on the inner side wall surface of the filtering area with the smallest radius.
The solid impurities with the continuously increased height are accumulated on the inner side wall surface of the filtering area with the smallest radius, the solid impurities still have liquid, the solid impurities drive the wedge-shaped block 221 at the filtering area with the smallest radius to move upwards along the vertical direction to be abutted with the trigger 223, the trigger 223 sends out a signal, and the sewage draining cylinder 210 is moved to correspond to the filtering area with the moderate radius along the vertical direction through the first driving cylinder; under the action of the second driving motor 300, the sewage discharging cylinder 210 rotates and throws sewage out of the sewage throwing hole 212 onto the inner side wall surface of the filtering area with moderate radius in the rotation process, on one hand, liquid in the sewage is thrown out of the water discharging hole 201 onto the inner side wall surface of the outer cylinder 100 and uniformly discharged through the water discharging pipe 101 in the rotation process of the inner cylinder 200, and solid impurities in the sewage are remained on the inner side wall surface of the filtering area with moderate radius; on the other hand, liquid in the solid impurities on the inner side wall surface of the filtering area with the smallest radius is thrown out to the inner side wall surface of the outer cylinder 100 and is uniformly discharged through the drain pipe 101; at the same time, the water inlet pipe 114 corresponding to the filtering area with the smallest radius sprays water to the solid impurities on the inner side wall surface of the filtering area with the smallest radius through the spray head 1141.
The solid impurities with continuously increased height are accumulated on the inner side wall surface of the filtering area with moderate radius, the solid impurities still have liquid, the solid impurities drive the wedge-shaped block 221 at the filtering area with moderate radius to move upwards along the vertical direction to be abutted against the trigger 223, the trigger 223 sends out a signal and moves the sewage draining cylinder 210 along the vertical direction to correspond to the filtering area with the largest radius through the first driving cylinder, the sewage draining cylinder 210 rotates under the action of the second driving motor 300 and throws sewage out of the sewage throwing hole 212 onto the inner side wall surface of the filtering area with the largest radius in the rotating process, on one hand, the liquid in the sewage is thrown out of the water draining hole 201 onto the inner side wall surface of the outer cylinder 100 and is uniformly discharged through the water draining pipe 101 in the rotating process of the inner cylinder 200, and the solid impurities in the sewage are left on the inner side wall surface of the filtering area with the largest radius; on the other hand, liquid in solid impurities on the inner side wall surface of the filtering area with the smallest radius and liquid in solid impurities on the inner side wall surface of the filtering area with the moderate radius are thrown out to the inner side wall surface of the outer cylinder 100 and are uniformly discharged through the drain pipe 101; meanwhile, the water inlet pipe 114 corresponding to the filtering area with the moderate radius sprays water to the solid impurities on the inner side wall surface of the filtering area with the moderate radius through the spray head 1141.
The solid impurities with continuously increased height are accumulated on the inner side wall surface of the filtering area with the largest radius, the solid impurities still have liquid, the wedge-shaped block 221 at the filtering area with the largest radius is driven by the solid impurities to move upwards along the vertical direction to be abutted with the trigger 223, the trigger 223 sends out a signal to close the second driving motor 300 and stop introducing sewage into the sewage draining cylinder 210, and meanwhile, the water inlet pipe 114 corresponding to the filtering area with the largest radius sprays water to the solid impurities on the inner side wall surface of the filtering area with the largest radius through the spray head 1141.
The inner cylinder 200 continues to operate for a preset time, and in the process of rotating the inner cylinder 200, liquid in solid impurities on the inner side wall surface of the filtering area with the smallest radius, liquid in solid impurities on the inner side wall surface of the filtering area with the moderate radius and liquid in solid impurities on the inner side wall surface of the filtering area with the largest radius are thrown out to the inner side wall surface of the outer cylinder 100 and are uniformly discharged through the drain pipe 101.
The controller controls the scraper 115 to scrape off the solid impurities on the inner side wall surface of the filter region having the smallest radius, the solid impurities on the inner side wall surface of the filter region having the medium radius, and the solid impurities on the inner side wall surface of the filter region having the largest radius in order.
Closing the first driving motor 103 and driving the moving block 105 to move downwards in the vertical direction through the second hydraulic cylinder, wherein the moving block 105 enables the filter screen to approach to the axis of the inner cylinder 200 in the moving process, so that solid impurities adhered on the filter screen are uniformly discharged from the sewage outlet 102; and then the second hydraulic cylinder drives the moving block 105 to move upwards along the vertical direction, and the moving block 105 enables the axis of the filter screen to the inner cylinder 200 to be far away from and to be in contact with the inner side wall surface of the inner cylinder 200 again in the moving process.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (10)
1. A multi-stage wastewater treatment system, the multi-stage wastewater treatment system comprising:
an outer cylinder;
the inner cylinder can be rotatably arranged in the outer cylinder, the circumferential wall of the inner cylinder is of a ladder shape and is provided with N steps, N is more than or equal to 2, the circumferential wall surface of each step is surrounded to form a filtering area, the circumferential wall of the inner cylinder is provided with a drain hole, and the drain hole can only pass through substances with preset sizes;
the sewage draining cylinder can slide up and down along the vertical direction and can be rotatably arranged in the inner cylinder, a sewage throwing hole is formed in the circumferential wall surface of the sewage draining cylinder, and the sewage draining cylinder can sequentially correspond to one filtering area along the direction of increasing the radius of the circumferential wall surface of the inner cylinder;
when the sewage draining cylinder is used, the sewage draining cylinder receives sewage and throws the sewage out of the sewage throwing hole onto the inner side wall surface of the inner cylinder in the rotation process of the inner cylinder, liquid in the sewage is thrown out of the water draining hole onto the inner side wall surface of the outer cylinder in the rotation process of the inner cylinder, and solid impurities in the sewage are remained on the inner side wall surface of the inner cylinder.
2. The multi-stage sewage treatment system according to claim 1, further comprising a shower head capable of sequentially corresponding to one of the filtration regions in a direction in which a radius of a circumferential wall surface of the inner cylinder increases; when the sewage draining cylinder moves to the next stage filtering area, the spray head sprays water and washes solid impurities adhered to the inner side wall surface of the previous stage filtering area.
3. The multi-stage sewage treatment system according to claim 2, wherein the radius of the stepped circumferential wall surface of the inner cylinder increases in order from bottom to top in the vertical direction.
4. The multi-stage sewage treatment system according to claim 1, wherein a filter screen is provided on an inner circumferential wall surface of the inner cylinder, the filter screen being capable of passing only a substance of a predetermined size.
5. The multi-stage sewage treatment system according to claim 4, further comprising a moving block slidably disposed up and down in a vertical direction and rotatably disposed within the inner cylinder; one end of the filter screen is arranged on the inner cylinder, and the other end of the filter screen is arranged on the moving block; the form of the filter screen can be changed when the moving block moves.
6. The multi-stage sewage treatment system according to claim 1, wherein trigger components are arranged at corners of the inner side wall surface of the inner cylinder, and the trigger components are used for sensing the accumulation amount of solid impurities at the inner side wall surface of the inner cylinder; when the solid impurity accumulation amount is larger than a preset value, the triggering component sends out a signal to enable the sewage draining cylinder to move to a next stage filtering area along the vertical direction.
7. The multi-stage sewage treatment system according to claim 6, wherein the trigger assembly comprises a fixed block, the bottom of which is provided with a trigger and a wedge-shaped block capable of sliding up and down in the vertical direction; when the solid impurity accumulation amount is larger than a preset value, the wedge-shaped block triggers the trigger, and the trigger sends out a signal to enable the sewage draining cylinder to move to a next-stage filtering area along the vertical direction.
8. The multi-stage sewage treatment system according to claim 1, further comprising a scraper that is slidably disposed vertically up and down within the inner cylinder, the scraper being configured to scrape solid impurities adhering to an inner sidewall surface of the inner cylinder.
9. The multi-stage wastewater treatment system of claim 1, wherein the inner cartridge and the blowdown cartridge are counter-rotating.
10. The multi-stage wastewater treatment system of claim 1, further comprising a drive member for providing a driving force for rotation of the inner barrel.
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| CN202310727779.6A CN116459585B (en) | 2023-06-20 | 2023-06-20 | Multistage sewage treatment system |
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| CN202310727779.6A CN116459585B (en) | 2023-06-20 | 2023-06-20 | Multistage sewage treatment system |
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