CN108905334B - Self-circulation sewage treatment plant - Google Patents
Self-circulation sewage treatment plant Download PDFInfo
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- CN108905334B CN108905334B CN201810976312.4A CN201810976312A CN108905334B CN 108905334 B CN108905334 B CN 108905334B CN 201810976312 A CN201810976312 A CN 201810976312A CN 108905334 B CN108905334 B CN 108905334B
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- self
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- 239000010865 sewage Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 9
- 239000000696 magnetic material Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 238000004140 cleaning Methods 0.000 abstract description 10
- 238000001914 filtration Methods 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 230000005484 gravity Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
Abstract
The invention relates to a self-circulation sewage treatment device, which effectively solves the problems of time and labor consumption caused by inconvenient cleaning in the primary sewage filtration process; the technical scheme includes that the magnetic force-adjustable type dust collector comprises a barrel, an annular sleeve is arranged in the barrel, blind holes are formed in the annular sleeve, a clamping groove is formed in the barrel, a magnetic elastic block is arranged in each blind hole, a first permanent magnet block is arranged on the inner side of each blind hole, a stop block is arranged above the first permanent magnet block, a second permanent magnet block is arranged above the stop block, a sleeve is arranged above the annular sleeve, a plurality of buoyancy plates are arranged on the inner side of the sleeve and can drive the second permanent magnet block to move up and down, a filter screen is installed in the annular sleeve, a threaded rod is rotatably connected onto the filter screen, an arc-shaped scraper is arranged at the upper end of the threaded rod, the lower end of the threaded rod is connected with a ratchet wheel through threads, the threaded rod and the ratchet wheel cannot be self-locked, a pawl is arranged outside the ratchet wheel, and a second pressure spring capable of.
Description
Technical Field
The invention relates to the field of sewage treatment equipment, in particular to a self-circulation sewage treatment device.
Background
Along with the development of social urbanization, science and technology and humanization, industrial industry is developed vigorously, more and more factories are drawn to the ground, the problems of increase of the usage amount of environmental protection equipment and pollution of sewage are highlighted, the sewage contains industrial production materials, intermediate products and products which run off along with a medicament and pollutants generated in the production process, along with the rapid development of the industry, the types and the quantity of the sewage are rapidly increased, the pollution of the sewage is gradually wide and serious, and the health and the safety of human beings are threatened, so that the treatment of the sewage is more important than the treatment of urban sewage medicaments for protecting the environment, and if the treatment is not carried out in time, the sewage is directly discharged, the harm to the surrounding environment can be small and large, and the serious harm can be caused to the life in the serious condition.
The in-process at sewage treatment handles through large-scale sewage treatment device usually, and need be with the flocculus in the sewage before sewage treatment, the massive impurity such as floater is clear away in advance, can effectual reduction sewage treatment process's cost like this, can also increase sewage treatment's speed simultaneously, but traditional massive impurity clearance adopts the filter screen usually, and the filter screen needs artifical clearance regularly, the sewage treatment's cost has been increased intangibly, and complex operation and cleaning process waste time and energy in cleaning process.
Therefore, the present invention provides a self-circulating sewage treatment apparatus to solve the above problems.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a self-circulation sewage treatment device, which effectively solves the problems of time and labor consumption caused by inconvenient cleaning in the primary sewage filtration process.
The technical scheme for solving the problems comprises a vertically placed cylinder, an annular sleeve which can move up and down is arranged in the cylinder, the outer edge surface of the annular sleeve is in sealing fit with the inner edge surface of the cylinder, a plurality of radial blind holes are uniformly distributed on the circumference of the outer edge surface of the annular sleeve, a plurality of clamping grooves which are matched with the blind holes one by one are arranged on the inner wall of the cylinder, an elastic block which can move left and right and can extend out of the blind holes at the outer end and be arranged in the clamping grooves is arranged in each blind hole, the elastic block is made of magnetic materials, a first pressure spring which can enable the elastic block to reset outwards is arranged at the inner end of the elastic block, a vertical through groove is arranged at the inner side of each blind hole, a first permanent magnet block which can move up and down is arranged at the lower end of each through groove, a stop block made of magnetic materials is fixed above the first permanent magnet block through a connecting rod, a second permanent magnet block is arranged above the stop, the sleeve is arranged on the inner sides of the second permanent magnets, a plurality of buoyancy plates which correspond to the second permanent magnets one by one are arranged on the inner sides of the sleeve, the second permanent magnets can be driven to move up and down by the up-and-down movement of the buoyancy plates, the second permanent magnets can be connected with the stop blocks through magnetic force, the buoyancy plates can move up and drive the first permanent magnets to move up through the stop blocks, the upward movement process of the first permanent magnets gradually approaches to the elastic blocks and enables the elastic blocks to shrink into the blind holes under the action of the magnetic force, and the elastic blocks are separated from the clamping grooves to achieve the rapid falling of the annular sleeve;
the utility model discloses a filter screen, including annular cover, ratchet, pawl, annular cover, the filter screen of up end and annular cover up end parallel and level is fixed to installation in the annular cover, the rotation is connected with rather than coaxial threaded rod on the filter screen, the top of filter screen and installation arc scraper blade are arranged in to the upper end of threaded rod, the lower extreme of threaded rod has the ratchet through threaded connection, threaded rod and ratchet can not the auto-lock, the outside of ratchet is equipped with rather than complex pawl, the partial cover that the threaded rod was arranged in between ratchet and the filter screen has the second pressure spring that can make it upwards reset, the ratchet can not rotate under the pawl effect when the filter screen downstream, the threaded rod drives the arc scraper blade rotation under.
The invention has novel concept, smart structure and strong practicability, realizes the driving of the filter screen to move up and down and the rotation of the arc-shaped scraper by the self gravity accumulation of sewage, and scrapes the dirt on the surface of the filter screen to the annular sleeve and realizes the cleaning by the rotation of the arc-shaped scraper, so that the cleaning process is quicker and the cleaning of the filter screen is convenient.
Drawings
FIG. 1 is a front sectional view of the present invention.
FIG. 2 is an enlarged view of a portion of the area A in FIG. 1 according to the present invention.
FIG. 3 is an enlarged view of a portion of the area B in FIG. 1 according to the present invention.
Fig. 4 is a top sectional view of the arcuate squeegee blade of the present invention in engagement with a filter screen.
FIG. 5 is a top cross-sectional view of the ratchet-pawl configuration of the present invention.
FIG. 6 is a schematic view of the bracket and ratchet pawl structure of the present invention
FIG. 7 is a top cross-sectional view of the collar and its accompanying structure of the present invention.
FIG. 8 is an enlarged view of a portion of the area C of FIG. 7 according to the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As can be seen from fig. 1 to 8, the invention comprises a vertically placed cylinder 1, an annular sleeve 2 capable of moving up and down is arranged in the cylinder 1, the outer edge surface of the annular sleeve 2 is in sealing fit with the inner edge surface of the cylinder 1, a plurality of radial blind holes 3 are uniformly distributed on the circumference of the outer edge surface of the annular sleeve 2, a plurality of clamping grooves 4 matched with the blind holes 3 one by one are arranged on the inner wall of the cylinder 1, an elastic block 5 capable of moving left and right and extending out of the blind holes 3 and being arranged in the clamping grooves 4 is arranged in each blind hole 3, the elastic block 5 is made of magnetic material, a first pressure spring 6 capable of resetting the elastic block 5 outwards is arranged at the inner end of the elastic block 5, a vertical through groove 7 is arranged on the inner side of each blind hole 3, a first permanent magnet block 8 capable of moving up and down is arranged at the lower end of each through groove 7, a stop block 9 made of magnetic material is fixed above the first, a second permanent magnet block 10 is arranged above the stop block 9, a sleeve which is coaxial with the stop block and the upper end of which is fixed on the cylinder 1 is arranged above the annular sleeve 2, the sleeve is arranged at the inner side of the second permanent magnet blocks 10, a plurality of buoyancy plates 11 which are in one-to-one correspondence with the second permanent magnet blocks 10 are arranged at the inner side of the sleeve, the second permanent magnet blocks 10 can be driven to move up and down by the upward and downward movement of the buoyancy plates 11, the second permanent magnet blocks 10 can be connected with the stop block 9 through magnetic force, the buoyancy plates 11 move up and drive the first permanent magnet blocks 8 to move up through the baffle block, the upward movement process of the first permanent magnet blocks 8 gradually approaches the elastic blocks 5, the elastic blocks 5 contract inwards the blind holes 3 under the action of the magnetic force, and the elastic blocks 5 are separated from the clamping grooves 4 to realize the rapid falling of the;
the filter screen 12 with the upper end face parallel to the upper end face of the annular sleeve 2 is fixedly installed in the annular sleeve 2, the filter screen 12 is connected with a threaded rod 13 coaxial with the filter screen 12 in a rotating mode, the upper end of the threaded rod 13 is arranged above the filter screen 12 and provided with an arc-shaped scraper 14, the lower end of the threaded rod 13 is connected with a ratchet 15 through threads, the threaded rod 13 and the ratchet 15 cannot be self-locked, a pawl 16 matched with the ratchet 15 is arranged outside the ratchet 15, a second pressure spring 17 enabling the threaded rod 13 to reset upwards is sleeved on a part, located between the ratchet 15 and the filter screen 12, of the threaded rod 13, the ratchet 15 cannot rotate under the action of the pawl 16 when the filter screen 12 moves downwards, the threaded rod 13 drives the arc-shaped scraper 14 to rotate under the matching of the ratchet 15, when the filter screen 12 moves upwards, the pawl 16 does.
In order to realize the more convenient clearance of filth, annular cover 2, the sleeve, drum 1 can form an airtight cavity, and drum 1 is equipped with a plurality of drain 18 on arranging the lateral wall of draw-in groove 4 top in, a plurality of drain 18 and annular cover 2, the sleeve, drum 1 forms an airtight cavity and is linked together, and that is equipped with a detachable baffle 19 on every drain 18, thereby realize in time clearing up the filth of gathering in airtight cavity through a plurality of drain 18 and realize better filth filtering action.
In order to realize that annular cover 2 can not rotate at the in-process that reciprocates, the circumference equipartition has a plurality ofly and draw-in groove 4 one-to-one complex to erect groove 20 on the inside wall of drum 1, erects the upper end and the draw-in groove 4 of groove 20 and is linked together, directly enters into through the setting up of erecting groove 20 after making bullet piece 5 break away from draw-in groove 4 and erects in the groove 20, realizes that annular cover 2 can only reciprocate simultaneously and can not rotate.
In order to realize that the elastic block 5 has less friction force that the movable type received in blind hole 3 and draw-in groove 4, all be equipped with roller 21 on the lower cell wall of draw-in groove 4 and blind hole 3, ball 22 is installed to the outer end of elastic block 5, when elastic block 5 was arranged in draw-in groove 4, roller 21 rolling friction in elastic block 5 and the draw-in groove 4, elastic block 5 and vertical slot 20 were rolling friction, have realized through setting up of roller 21 and ball 22 that can realize less friction force when elastic block 5 and blind hole 3 draw-in groove 4 cooperation and elastic block 5 and vertical slot 20 cooperation.
In order to realize the fixation and installation of the ratchet wheel 15 and the pawl 16, a bracket 23 fixed on the inner wall of the cylinder 1 is arranged above the ratchet wheel 15, the ratchet wheel 15 is rotationally connected to the bracket 23, the pawl 16 is fixedly installed on the bracket 23, a channel for the threaded rod 13 to move up and down is arranged on the bracket 23, and the installation of the ratchet wheel 15 and the pawl 16 is realized through the realization and setting of the bracket 23.
First permanent magnet 8 can reset in order to realize annular cover 2 quick travel downwards, be equipped with third pressure spring 24 between first permanent magnet 8 and the dog 9, install backup pad 25 in leading to the groove 7, be equipped with the through-hole that can supply the connecting rod to pass through on the backup pad 25, third pressure spring 24 covers on the connecting rod between first permanent magnet 8 and backup pad 25, can realize that third pressure spring 24 assists first permanent magnet 8 to reset downwards after second magnet breaks away from with dog 9 through setting up of third pressure spring 24, and backup pad 25 also can realize the support of dog 9 simultaneously.
In order to realize that the up-and-down movement of the buoyancy plate 11 can drive the second magnet block to move up and down, the buoyancy plate 11 is connected with the second permanent magnet block 10 through the L-shaped rod 26, a sliding groove for the L-shaped rod 26 to move up and down is formed in the wall of the sleeve, and the buoyancy plate 11 drives the second magnet block to move up and down through the matching of the L-shaped rod 26 and the sliding groove.
In order to realize better filtering effect, drum 1 upper end is equipped with into dirty pipeline, and the lower extreme is equipped with sewage pipes, and the diameter of drum 1 is greater than into dirty pipeline, thereby is greater than into dirty pipeline through drum 1's diameter and realizes collecting more sewage and provide sufficient gravity to filter screen 12 and its quick whereabouts down.
In order to realize the non-self-locking of the threaded rod 13 and the ratchet wheel 15, the thread lead angle of the threaded rod 13 is larger than the equivalent friction angle of a screw pair formed by the threaded rod 13 and the internal thread of the ratchet wheel 15.
Except the noted first permanent magnet block 8, second permanent magnet block 10, stop block 9 and spring block 5, other parts of the device are not affected by magnetic force.
The specific working process of the invention is as follows: this device is at first when using ensure that baffle 19 can seal drain 18 completely, sewage enters into drum 1 from advancing dirty pipeline, sewage carries impurity and arranges in on filter screen 12, initial stage is because the impurity in the sewage can not cover filter screen 12 completely, realization that filter screen 12 can be quick this moment is to the filtration of sewage, impurity when in the sewage accumulates when a certain amount on filter screen 12, filter screen 12's the filter capacity of this moment weakens greatly, the flow of advancing dirty pipeline's sewage does not become can realize that sewage is hoarded in drum 1 this moment, because drum 1's diameter is greater than into dirty pipeline, consequently, the sewage volume that can bear in drum 1 is far greater than into dirty pipeline, along with the increase of the sewage in drum 1, the liquid level of sewage constantly rises, the rising of sewage liquid level drives buoyancy board 11 and rises.
In an initial state, the outer end of the elastic block 5 extends out of the blind hole 3 and is arranged in the clamping groove 4, the friction force applied to the radial movement of the elastic block 5 is small due to the fact that the rollers 21 are arranged in the clamping groove 4 and the blind hole 3, the buoyancy plate 11 drives the second permanent magnet block 10 to move upwards through the L-shaped rod 26 along with the rising of the buoyancy plate 11, at the moment, the second permanent magnet block 10 and the stop block 9 have magnetic attraction force, the second permanent magnet block 10 drives the stop block 9 to move upwards, the stop block 9 drives the first permanent magnet block 8 to move upwards through the connecting rod and shrink the third pressure spring 24, the first permanent magnet block 8 gradually approaches to the inner end of the elastic block 5 and generates attraction force on the elastic block 5 along with the upward moving of the first permanent magnet block 8, the distance between the first permanent magnet block 8 and the elastic block 5 is gradually closer to the blind hole, and the elastic block 5 is compressed inwards by the extrusion of the first pressure spring 3 under the attraction force of the first permanent magnet block 8, and the extrusion of the first pressure spring 5 is achieved 6, and finally, the outer end of the elastic block 5 is separated from the clamping groove 4.
When the elastic block 5 is separated from the clamping groove 4 and is arranged in the vertical groove 20, at the moment, the ball 22 on the elastic block 5 slides with the bottom of the vertical groove 20, so that the annular sleeve 2 rapidly moves downwards, the annular sleeve 2 can enable the filter screen 12 to extrude the second pressure spring 17 and enable the second pressure spring 17 to have rebound tendency and elastic potential energy in the falling process, along with the downward movement of the annular sleeve 2 and the filter screen 12, the filter screen 12 drives the threaded rod 13 to move downwards, the ratchet 15 cannot rotate under the blocking effect of the pawl 16 in the process, the threaded rod 13 rotates under the effect of the internal thread of the ratchet 15 along with the downward movement of the threaded rod 13, the rotation of the threaded rod 13 drives the arc-shaped scraper 14 at the upper end of the threaded rod 13 to rotate, the arc-shaped scraper 14 scrapes impurities accumulated on the upper surface of the filter screen 12 to the upper surface of the arc-shaped sleeve and enables the filter screen 12 to be clean, and the gravity of the sewage is enough to realize, the first permanent magnet block 8 is reset under the action of the third pressure spring 24 and the gravity of the stop block 9 and the first permanent magnet block 8, the reset of the first permanent magnet block 8 is realized, the magnetic attraction of the elastic block 5 is insufficient to overcome the rebound force of the first pressure spring 6, and at the moment, the elastic block 5 compresses the vertical groove 20 and slides in the vertical groove under the action of the rebound force of the first pressure spring 6.
When the filter net 12 is cleaned, the amount of water passing through the filter net is increased and the water in the cylinder 1 rapidly flows downwards, the amount of sewage at the upper end of the filter net 12 is reduced, the upward movement of the filter screen 12 is realized under the action of the rebounding force of the second pressure spring 17, in the process, the threaded rod 13 moves upwards, at the moment, the threaded rod 13 has the tendency of reversing, but the pawl 16 does not restrict the rotation of the ratchet 15, so that the threaded rod 13 does not rotate when moving upwards, the curved scraper 14 does not reverse, and when the filter screen 12 moves upwards to the initial position, because the sewage level lowers the buoyancy plate 11 to descend, the second magnet block and the stop block 9 are attracted again, the elastic block 5 enters the clamping groove 4 again, and the sleeve is extruded again, the closed cavity formed by the cylinder 1, the annular sleeve 2 and the sleeve is sealed, and at the moment, the baffle 19 is opened to clean out impurities in the closed cavity.
This device has following advantage than traditional dragging device:
1. this device is realized when initial stage through the cooperation of bullet piece 5 with draw-in groove 4, sewage is hoarded on filter screen 12 and just can realize breaking away from of bullet piece 5 and draw-in groove 4 after formulating the height, can effectively realize hoarding of sewage when draw-in groove 4 cooperates with bullet piece 5, after accomplishing hoarding bullet piece 5 breaks away from sliding friction with draw-in groove 4 and converts rolling friction into under ball 22's effect, frictional force reduces in the twinkling of an eye, thereby filter screen 12 drives threaded rod 13 quick downstream and accomplishes the slewing fast of arc scraper blade 14 and realizes the technological effect of more swift clearance filth.
2. The cooperation through ratchet 15 pawl 16 structure and threaded rod 13 realizes when threaded rod 13 downstream, ratchet 15 can not rotate, threaded rod 13 realizes the rotation under the internal screw thread effect of ratchet 15 this moment thereby realize that threaded rod 13 drives the quick scraping filth of scraper blade of each other, when filter screen 12 upward movement, pawl 16 is not at constraint ratchet 15, relative threaded rod 13 is the required frictional force of overcoming of rotation under the effect of ratchet 15 internal thread, the frictional force that ratchet 15 rotation was overcome is littleer, consequently, ratchet 15 rotates threaded rod 13 no longer to rotate, arc scraper blade 14 can not the reversal when realizing upward movement, make the filth by more thorough of clearance.
3. Through the airtight cavity that drum 1, sleeve, arc cover and drain 18 and baffle 19 constitute, when bullet piece 5 was arranged in draw-in groove 4, this cavity was airtight all the time, can effectually prevent the entering of sewage and realize scattering the filth of having collected here to filter screen 12 on, this cavity is convenient and fast more and not contact with sewage when collecting the filth simultaneously, the effectual revealing that prevents sewage.
The invention has novel concept, smart structure and strong practicability, realizes the driving of the filter screen to move up and down and the rotation of the arc-shaped scraper by the self gravity accumulation of sewage, and scrapes the dirt on the surface of the filter screen to the annular sleeve and realizes the cleaning by the rotation of the arc-shaped scraper, so that the cleaning process is quicker and the cleaning of the filter screen is convenient.
Claims (9)
1. A self-circulation sewage treatment device comprises a vertically placed cylinder (1), and is characterized in that an annular sleeve (2) capable of moving up and down is arranged in the cylinder (1), the outer edge surface of the annular sleeve (2) is in sealing fit with the inner edge surface of the cylinder (1), a plurality of radial blind holes (3) are uniformly distributed on the outer edge surface of the annular sleeve (2) along the circumference, a plurality of clamping grooves (4) matched with the blind holes (3) one by one are formed in the inner wall of the cylinder (1), a spring block (5) capable of moving left and right and having an outer end capable of extending out of the blind hole (3) and being arranged in the clamping groove (4) is arranged in each blind hole (3), the spring block (5) is made of a magnetic material, a first pressure spring (6) capable of resetting the spring block outwards is arranged at the inner end of the spring block (5), a vertical through groove (7) is arranged on the inner side of each blind hole (3), a first permanent magnet block (8) capable of moving up and down is arranged, a stop block (9) made of magnetic materials is fixed above the first permanent magnet block (8) through a connecting rod, a second permanent magnet block (10) is arranged above the stop block (9), a sleeve which is coaxial with the annular sleeve (2) and the upper end of which is fixed on the cylinder (1) is arranged above the annular sleeve (2), the sleeve is arranged at the inner side of the second permanent magnet blocks (10), a plurality of buoyancy plates (11) which are in one-to-one correspondence with the second permanent magnet blocks (10) are arranged at the inner side of the sleeve, the second permanent magnet blocks (10) can be driven to move up and down by the up-and-down movement of the buoyancy plates (11), the second permanent magnet blocks (10) and the stop block (9) can be connected through magnetic force, the buoyancy plates (11) move up through the stop block to drive the first permanent magnet blocks (8) to move up, the process that the first permanent magnet blocks (8) move up gradually approaches the elastic blocks (5) and enables the elastic blocks (5) to retract into the blind holes (3) under the action, the elastic block (5) is separated from the clamping groove (4) so as to realize the rapid falling of the annular sleeve (2);
a filter screen (12) with the upper end face parallel to the upper end face of the annular sleeve (2) is fixedly installed in the annular sleeve (2), a threaded rod (13) coaxial with the filter screen (12) is connected to the filter screen (12) in a rotating mode, an arc-shaped scraper (14) is installed above the filter screen (12) and at the upper end of the threaded rod (13), a ratchet wheel (15) is connected to the lower end of the threaded rod (13) through threads, the threaded rod (13) and the ratchet wheel (15) cannot be self-locked, a pawl (16) matched with the ratchet wheel (15) is arranged outside the ratchet wheel (15), a second pressure spring (17) capable of enabling the threaded rod (13) to reset upwards is sleeved on the portion, located between the ratchet wheel (15) and the filter screen (12), of the ratchet wheel (15) cannot rotate under the action of the pawl (16) when the filter screen (12) moves downwards, the arc-shaped scraper (14) is driven to, the pawl (16) does not bind the ratchet wheel (15), and the threaded rod (13) drives the ratchet wheel (15) to rotate and realize the immobilization of the arc scraper (14).
2. The self-circulation sewage treatment device according to claim 1, wherein the annular sleeve (2), the sleeve and the cylinder (1) form a closed cavity, the side wall of the cylinder (1) above the clamping groove (4) is provided with a plurality of sewage draining outlets (18), the plurality of sewage draining outlets (18) are communicated with the annular sleeve (2), the sleeve and the cylinder (1) form a closed cavity, and each sewage draining outlet (18) is provided with a detachable baffle (19).
3. The self-circulation sewage treatment device according to claim 1, wherein a plurality of vertical grooves (20) which are matched with the clamping grooves (4) one by one are uniformly distributed on the inner side wall of the cylinder (1) in the circumference, and the upper ends of the vertical grooves (20) are communicated with the clamping grooves (4).
4. The self-circulation sewage treatment device according to claim 1, wherein the lower groove wall of the clamping groove (4) and the lower groove wall of the blind hole (3) are both provided with a roller (21), the outer end of the elastic block (5) is provided with a ball (22), when the elastic block (5) is arranged in the clamping groove (4), the elastic block (5) and the roller (21) in the clamping groove (4) are in rolling friction, and the elastic block (5) and the vertical groove (20) are in rolling friction.
5. The self-circulation sewage treatment device according to claim 1, wherein a bracket (23) fixed on the inner wall of the cylinder (1) is arranged above the ratchet wheel (15), the ratchet wheel (15) is rotatably connected to the bracket (23), the pawl (16) is fixedly arranged on the bracket (23), and a channel for the threaded rod (13) to move up and down is arranged on the bracket (23).
6. The self-circulation sewage treatment device according to claim 1, wherein a third compression spring (24) is arranged between the first permanent magnet block (8) and the stop block (9), a support plate (25) is arranged in the through groove (7), a through hole for a connecting rod to pass through is arranged on the support plate (25), and the third compression spring (24) is sleeved on the connecting rod between the first permanent magnet block (8) and the support plate (25).
7. The self-circulation sewage treatment device according to claim 1, wherein the buoyancy plate (11) is connected with the second permanent magnet block (10) through an L-shaped rod (26), and the wall of the sleeve is provided with a sliding groove for the L-shaped rod (26) to move up and down.
8. A self-circulating sewage treatment plant according to claim 1, wherein the cylinder (1) is provided with a sewage inlet pipe at the upper end and a sewage outlet pipe at the lower end, the diameter of the cylinder (1) being larger than the sewage inlet pipe.
9. A self-circulating sewage treatment plant according to claim 1, wherein the lead angle of the threaded rod (13) is greater than the equivalent friction angle of the screw pair formed by the threaded rod (13) and the internal thread of the ratchet (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810976312.4A CN108905334B (en) | 2018-08-25 | 2018-08-25 | Self-circulation sewage treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810976312.4A CN108905334B (en) | 2018-08-25 | 2018-08-25 | Self-circulation sewage treatment plant |
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| Publication Number | Publication Date |
|---|---|
| CN108905334A CN108905334A (en) | 2018-11-30 |
| CN108905334B true CN108905334B (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810976312.4A Active CN108905334B (en) | 2018-08-25 | 2018-08-25 | Self-circulation sewage treatment plant |
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| CN (1) | CN108905334B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847652B (en) * | 2019-11-28 | 2020-12-18 | 嘉兴米世电器有限公司 | Underground garage with flood control device |
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