CN111672175B - Sewage treatment device - Google Patents
Sewage treatment device Download PDFInfo
- Publication number
- CN111672175B CN111672175B CN202010613529.6A CN202010613529A CN111672175B CN 111672175 B CN111672175 B CN 111672175B CN 202010613529 A CN202010613529 A CN 202010613529A CN 111672175 B CN111672175 B CN 111672175B
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- Prior art keywords
- gear
- fixed
- filter screen
- feeding box
- shaft
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- 239000010865 sewage Substances 0.000 title claims abstract description 22
- 238000011282 treatment Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 239000000835 fiber Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 22
- 238000004140 cleaning Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000035699 permeability Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000010794 food waste Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Classifications
-
- 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
- B01D29/014—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 with curved filtering elements
-
- 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
-
- 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
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
- B01D29/6415—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a rotary movement with respect to the filtering element
-
- 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
- B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
- B01D29/80—Handling the filter cake in the filter for purposes other than for regenerating for drying
- B01D29/82—Handling the filter cake in the filter for purposes other than for regenerating for drying by compression
- B01D29/828—Handling the filter cake in the filter for purposes other than for regenerating for drying by compression using screws
-
- 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
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
Abstract
The invention provides a sewage treatment device, which effectively solves the problems that a screen mesh is easy to block, the equipment loss is fast, the separation effect is poor and only the inside of the screen mesh can be cleaned in the sewage treatment and filtration in the prior art, and the sewage treatment and filtration device comprises a frame, wherein a feeding box is arranged on an upper side plate of the frame, a discharging cylinder is arranged on the left side of the lower end of the feeding box, a rotating shaft is arranged in the feeding box, a spiral blade is arranged on the rotating shaft, a filter screen is fixed at the lower end of the feeding box through a plurality of screws, a hard fiber forming brush is arranged on the outer edge surface of the spiral blade, a planetary gear train is arranged on the right side of the feeding box, a sun gear and the rotating shaft are coaxially fixed, a planet carrier can rotate actively, and a first gear is fixed on the outer circular surface of the planet carrier; a water collecting tank is arranged in the rack, a water outlet is formed in the lower end of the water collecting tank, a water suction pump is arranged on the water outlet, a second gear capable of rotating is arranged on a right side plate of the rack, the left end face of the second gear is a friction surface, a fixed shaft is arranged at the right end of the water collecting tank, and a friction wheel attached to the left end face of the second gear is arranged on the fixed shaft.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment device.
Background
In the prior art, during sewage treatment, especially in the pretreatment and primary treatment links, a filter screen is easy to block, frequent cleaning or back flushing is needed, and the use is very troublesome. Some enterprises adopt the slope to place the continuous impurity with on the filter screen of helical structure and clear up in sewage filtration link, utilize gravity to realize solid-liquid separation, but in practical application, there are some hair and fibre in the sewage, mixing the mud granule, simple helical structure blocks up the mesh easily, so some producers increase the brush on helical structure to the mesh can be dredged to the brush in expectation. When the brush is used, the spiral structure is in contact with the screen, namely the outer edge of the spiral structure and the screen rub against each other all the time, and the brush is inserted into the mesh and the loss of the brush and the screen is accelerated, so that the brush and the screen need to be replaced frequently. In addition, sewage, especially urban sewage, contains a large amount of paper scraps and food residues, and a large amount of water is adsorbed in the paper scraps and the food residues, the lead of the traditional spiral structure is generally unchanged, and the spiral structure is a generating constant, so that the separated impurities also contain a large amount of water, and the separation effect is poor. In addition, often neglect the outside clearance to the filter screen among the prior art, the hair in the sewage is very easily detained by the filter screen when passing through the filter screen, forms the floe outside the net, and the floe has for a period of time, and the floe makes filter screen weight increase, forces to produce the clearance between helical structure and the filter screen to lead to helical structure to become invalid, impurity piles up and blocks up the mesh on the filter screen.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a sewage treatment device, which effectively solves the problems that in the prior art, a screen is easy to block, equipment is quick to wear, the separation effect is poor, and only the inside of the screen can be cleaned.
The technical scheme includes that the feeding device comprises a rack, a feeding box with an opening at the upper end is fixed on an upper side plate of the rack, a conical discharging cylinder is fixed on the left side of the lower end of the feeding box, a horizontal rotating shaft is arranged in the feeding box, the right end of the rotating shaft penetrates through a right side plate of the feeding box and is arranged on the right side of the feeding box, a spiral blade is fixed on the rotating shaft, the outer edge surface of the spiral blade is in contact with the inner side wall of the discharging cylinder, a filter screen is fixed at the lower end of the feeding box through a plurality of screws and is of an arc-shaped structure concentric with the rotating shaft, a hard fiber forming brush is arranged on the outer edge surface of the spiral blade and can clean the filter screen along with the rotation of the spiral blade, a planetary gear train is arranged on the right side of the feeding box, a sun gear is coaxially fixed with the rotating shaft, a planet carrier can actively rotate, and a first gear is fixed on the outer edge surface of the planet carrier;
the frame in have the header tank of arranging the feeding case below in, the header tank upper end is the opening form, the header tank lower extreme has the delivery port, installs the suction pump on the delivery port, has rotatable second gear on the frame right side board, second gear left end face is the friction surface, the header tank can reciprocate, the header tank right-hand member has the fixed axle, installs the friction pulley with the laminating of second gear left end face on the fixed axle.
The filter screen cleaning device has the advantages of ingenious structure, capability of ensuring that the permeability of the filter screen is in the optimal state, capability of timely compressing and discharging impurities on the filter screen, less loss of the filter screen and the brush, prolonged service cycle, capability of cleaning the two sides of the filter screen and ensured cleaning effect.
Drawings
FIG. 1 is a front cross-sectional view of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
FIG. 3 is a view showing a part of the components of the present invention.
FIG. 4 is a schematic view showing the connection relationship between the feed box, the rotary shaft, the arc plate, the arc groove and the pinion gear.
FIG. 5 is a schematic diagram showing the positional relationship among the incomplete gear, the pinion and the rack in the present invention.
Fig. 6 is a structural view of an outer ring gear, a first gear and a partial gear in the present invention.
Detailed Description
The following description will explain embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in figures 1 to 6, the invention comprises a frame 1, a feeding box 2 with an opening at the upper end is fixed on the upper side plate of the frame 1, a conical discharging barrel 3 is fixed on the left side of the lower end of the feeding box 2, a horizontal rotating shaft 4 is arranged in the feeding box 2, the right end of the rotating shaft 4 penetrates through the right side plate of the feeding box 2 and is arranged on the right side of the feeding box 2, a helical blade 5 is fixed on the rotating shaft 4, the outer edge surface of the helical blade 5 is contacted with the inner side wall of the discharging barrel 3, a filter screen 6 is fixed on the lower end of the feeding box 2 through a plurality of screws, the filter screen 6 is in an arc structure concentric with the rotating shaft 4, a brush formed by hard fibers is arranged on the outer edge surface of the helical blade 5, the brush can clean the filter screen 6 along with the rotation of the helical blade 5, a planetary gear train is arranged on the right side of the feeding box 2, the sun gear 7 and the rotating shaft 4 are coaxially fixed, the planet carrier 8 can actively rotate, and the outer circular surface of the planet carrier 8 is fixed with the first gear 9;
the machine frame 1 is internally provided with a water collecting tank 10 arranged below the feeding tank 2, the upper end of the water collecting tank 10 is in an open shape, the lower end of the water collecting tank 10 is provided with a water outlet, a water suction pump 11 is arranged on the water outlet, a second gear 12 capable of rotating is arranged on the right side plate of the machine frame 1, the left end face of the second gear 12 is a friction face, the water collecting tank 10 can move up and down, the right end of the water collecting tank 10 is provided with a fixed shaft 13, and the fixed shaft 13 is provided with a friction wheel 14 attached to the left end face of the second gear 12.
In order to realize the clearance simultaneously inside and outside filter screen 6, 2 downside of feeding case have the roller 15 parallel with pivot 4, roller 15 can roll around filter screen 6 surface, there is the hard fiber in the roller 15 surface can clear up the filter screen 6 outside.
In order to realize the forward and backward rolling of the roll shaft 15, the two ends of the roll shaft 15 are provided with arc-shaped plates 16 which are coaxial with the filter screen 6, the arc-shaped plates 16 are provided with arc-shaped grooves 17 which are coaxial with the filter screen 6, slide blocks 18 which can slide along the arc-shaped grooves 17 are arranged in the arc-shaped grooves 17, springs are connected between the slide blocks 18 and the end parts of the corresponding arc-shaped grooves 17, the two ends of the slide blocks 18 are arranged at the two sides of the arc-shaped plates 16, the two ends of the slide blocks 18 are provided with protrusions which can prevent the slide blocks 18 from being separated from the arc-shaped plates 16, the two ends of the roll shaft 15 are rotatably connected with the slide blocks 18, and bearings are arranged between the two ends of the roll shaft 15 and the slide blocks 18; a pinion 19 is fixed at the right end of the roller shaft 15, an arc rack 20 coaxial with the arc plate 16 is meshed with the lower side of the pinion 19, the rack 20 is fixed with the arc plate 16 close to the rack 20, an incomplete gear 21 is fixed at the left end of an outer gear ring in the planetary gear train, and the incomplete gear 21 rotates to drive the pinion 19 to roll along the rack 20.
In order to clean the filter screen 6 in time, the right end of the fixed shaft 13 is sleeved with a cylinder 22 which can move left and right and can rotate, the friction wheel 14 is sleeved on the cylinder 22, a bearing is installed between the friction wheel 14 and the cylinder 22, the left end of the fixed shaft 13 is sleeved with an annular plate 23, a bearing is installed between the annular plate 23 and the fixed shaft 13, a pressure spring is arranged between the annular plate 23 and the cylinder 22, and the pressure spring enables the friction wheel 14 to be in contact with the left end face of the second gear 12.
If impurity is more in the sewage, when filter screen 6 thoroughly blockked up, in order to make the power of moving can only be followed pivot 4 output, fixed axle 13 right-hand member open and to have the blind hole of level form, have the fixture block 24 that can remove about in the blind hole, be connected with the pressure spring between fixture block 24 and the blind hole, open on the 12 left end face of second gear has the card hole, card hole and 12 eccentric second gears, second gear 12 is fixed nonrotation when fixture block 24 is arranged in the card hole, fixture block 24 right-hand member is hemispherical.
In order to realize the up-and-down movement of the water collecting tank 10, a plurality of vertical cylinders 25 are fixed on the lower side plate of the frame 1, a plurality of vertical rods 26 corresponding to the vertical cylinders 25 one by one are fixed at the lower end of the water collecting tank 10, the lower ends of the vertical rods 26 are inserted into the vertical cylinders 25, and a pressure spring is connected between the lower ends of the vertical rods 26 and the lower end of the cylinder 22.
When the impurity is less, prevent that impurity from not being compressed and just being discharged, go out feed cylinder 3 left end have a closing cap 27, closing cap 27 can be sealed with go out feed cylinder 3 left end, articulated together through the torsional spring between closing cap 27 upper end and the feed cylinder 3.
The left end of the rotating shaft 4 is sleeved with a supporting cylinder 28, a bearing is arranged between the supporting cylinder 28 and the rotating shaft 4, and the supporting cylinder 28 and the feeding cylinder are connected together through a plurality of connecting rods 29.
A motor is connected to a planet carrier 8 in the planetary gear train and is fixed on the frame 1.
The lower side plate of the water collecting tank 10 is funnel-shaped, and the water outlet is positioned at the lowest end of the water collecting tank 10.
It is worth noting that the water pump 11 in the invention can adopt various models, such as a diaphragm pump, a centrifugal pump, a single-screw pump and the like, wherein the water pumping speed of the water pump 11 is consistent with the normal water passing speed of the filter screen 6, and the water inlet speed is also controlled in the process; in order to prevent the upper end of the cylinder 22 from bursting the bottom of the water collecting tank 10, a rubber skin layer is adhered to the upper end of the cylinder 22; when the water collecting tank is used, a part of water is accumulated in the water collecting tank 10, the water collecting tank 10 is positioned at the lowest end under the action of gravity, the lower end of the water collecting tank 10 is firmly supported by the cylinders 22, the friction wheel 14 on the right side of the water collecting tank 10 is coaxially attached to the second gear 12, and the pinion 19 and the second gear 12 rotate synchronously; in order to reduce the abrasion of the fixture block 24, a concave hole is formed in the center of the left end face of the second gear 12, and when the second gear 12 is coaxial with the pinion 19, the right end of the fixture block 24 is placed in the concave hole; the lead of the helical blade 5 in the device is gradually reduced from right to left, the helical blade 5 can be extruded in the process of pushing the impurities from right to left, the sealing cover 27 at the left end of the discharging barrel 3 is closed when the impurities are small, and if the impurities are more, the impurities can be effectively discharged only after being extruded when passing through the discharging barrel 3; a plurality of clamping holes can be uniformly distributed on the circumference taking the second gear 12 as the center; the spring connected to the slider 18 has a small elastic force, and the spring can restore the roller shaft 15.
Before use, the friction wheel 14 is tightly attached to the upper half part of the second gear 12, when the water-saving water dispenser is used, a part of water is conveyed into the feeding box 2 firstly, so that the water-saving water dispenser is characterized in that the friction wheel 14 is coaxially attached to the feeding box 2 and is contacted with the vertical cylinder 25 under the action of water, at the water-saving water; the motor drives the planet carrier 8 to rotate, at the moment, the outer gear ring is in a no-load state, the sun gear 7 is fixed with the rotating shaft 4, the rotating shaft 4 is provided with the helical blade 5, and the helical blade 5 is in contact with the filter screen 6, so that the sun gear 7 has certain resistance, the rotating shaft 4 is kept in a non-rotating or basically non-rotating state, and the loss of the brush and the filter screen 6 is reduced; after a period of time, a part of meshes on the filter screen 6 are blocked by impurities, at the moment, the pumping speed of the water pump 11 is unchanged, but the water passing speed of the filter screen 6 is reduced, so that the water amount in the water collection tank 10 is reduced, the water collection tank 10 moves upwards under the action of pressure springs on a plurality of vertical rods 26 below, the water collection tank 10 drives the friction wheel 14 to move upwards through the fixed shaft 13, the friction wheel 14 gradually moves upwards along the left end surface of the second gear 12, the resistance of the outer gear ring is increasingly large, the planet carrier 8 still keeps rotating at the moment, so that the rotating shaft 4 gradually starts to rotate, the rotating shaft 4 rotates to drive the helical blade 5 to push the impurities to the left, if the permeability of the filter screen 6 is restored at the moment, the water just accumulated in the upper feeding tank 2 can rapidly pass through the filter screen 6, the water collection tank 10 gradually descends to be in contact with the vertical cylinder 25, the resistance on the outer gear ring is gradually reduced at the moment and tends to idle running, at the same time, the rotation speed of the rotating shaft 4 gradually decreases. As for the roller shaft 15 at the lower side,
if more impurity concentrates and appears and block up filter screen 6, the water yield in the header tank 10 reduces rapidly, header tank 10 rebound under the effect of a plurality of pressure springs, friction pulley 14 rebound, second gear 12 makes the rotational resistance of outer ring gear bigger and bigger through first gear 9, when the fixture block 24 card of fixed axle 13 right-hand member is downthehole at the card of second gear 12 left end, second gear 12 is thoroughly fixed and can not rotate by fixture block 24, outer ring gear is fixed promptly, the motor drives planet carrier 8 and rotates this moment, sun gear 7 drives pivot 4 and rotates, pivot 4 transports impurity left through helical blade 5, impurity is extruded when going out feed cylinder 3, moisture in it is discharged.
The invention has the outstanding advantages and remarkable progress that:
1. according to the invention, by utilizing the characteristics of the planetary gear and combining the specific situation of the invention, the planet carrier 8 is input, the rotating shaft 4 and the first friction wheel 14 are output, when the permeability of the filter screen 6 is normal, the rotating shaft 4 has certain rotating resistance due to the action of the helical blade 5 and the brush on the helical blade 5, at the moment, the friction wheel 14 is coaxially attached to the second gear 12, the outer gear ring drives the second gear 12 to idle through the first gear 9, namely, under the condition that the permeability of the filter screen 6 is good, the helical blade 5 and the brush on the helical blade 5 are not moved, the abrasion to the filter screen 6 can be greatly reduced, and the service lives of the filter screen 6, the helical blade 5 and the brush are prolonged; when filter screen 6 is blockked up by impurity, because the water in the header tank 10 reduces, header tank 10 drives the friction pulley 14 up-shifting on right side, the rotational resistance that outer ring gear meets increases gradually, pivot 4 overcomes the resistance and slowly begins to rotate, when second gear 12 is fixed by fixture block 24 on the fixed axle 13 not changeing, outer ring gear is fixed this moment, planet carrier 8 drives pivot 4 through sun gear 7 and rotates, filter screen 6's clearance and compression have been realized, after filter screen 6 clean-up, the water of intaking incasement overstocked water can flow down rapidly and make header tank 10 remove downwards once more, friction pulley 14 and second gear 12 up to the right-hand member are in coaxially.
2. According to the invention, the rotation resistance met by the outer gear ring is controlled by utilizing the up-and-down movement of the water collecting tank 10, so that the rotation or fixation of the rotating shaft 4 is controlled, unnecessary friction loss is reduced, and the maintenance period of the filter screen 6, the helical blade 5 and the hairbrush is prolonged.
3. According to the invention, by changing the diameter and the lead of the helical blade 5, moisture in impurities can be extruded out in the impurity removing process, solid-liquid separation is realized, and the sealing cover 27 at the left end is combined, so that the impurities can be effectively ensured to be discharged only after being compressed, and because the impurities move leftwards under the action of the helical blade 5 and gradually become compact, a sealed environment is formed, and the leakage of sewage from the discharge cylinder 3 can be prevented.
4. According to the invention, the roller shaft 15 with hard fibers is used for reciprocating on the filter screen 6, so that the cleaning of the outside of the filter screen 6 is realized, the spring elasticity connected with the sliding block 18 is small and can be ignored relative to the rotation inertia when the external gear ring drives the incomplete gear 21 to idle, and when the pinion 19 is positioned at the toothless part of the incomplete gear 21, the roller shaft 15 can be restored under the action of the spring.
The filter screen 6 cleaning device is ingenious in structure, can ensure that the permeability of the filter screen 6 is in the optimal state, can timely compress and discharge impurities on the filter screen 6, reduces the loss of the filter screen 6 and the brush, prolongs the service cycle, cleans the two sides of the filter screen 6, and ensures the cleaning effect.
Claims (6)
1. A sewage treatment device is characterized by comprising a rack (1), a feeding box (2) with an upper end opening is fixed on an upper side plate of the rack (1), a conical discharging barrel (3) is fixed on the left side of the lower end of the feeding box (2), a horizontal rotating shaft (4) is arranged in the feeding box (2), the right end of the rotating shaft (4) penetrates through a right side plate of the feeding box (2) and is arranged on the right side of the feeding box (2), a spiral blade (5) is fixed on the rotating shaft (4), the outer edge surface of the spiral blade (5) is contacted with the inner side wall of the discharging barrel (3), a filter screen (6) is fixed at the lower end of the feeding box (2) through a plurality of screws, the filter screen (6) is of an arc structure concentric with the rotating shaft (4), a hard fiber forming brush is arranged on the outer edge surface of the spiral blade (5), the brush can clean the filter screen (6) along with the rotation of the spiral blade (5), and a planetary gear train is arranged on the right side of the feeding box (2), the sun gear (7) and the rotating shaft (4) are coaxially fixed, the planet carrier (8) can actively rotate, and the outer circular surface of the planet carrier (8) is fixed with the first gear (9);
a water collecting tank (10) arranged below the feeding tank (2) is arranged in the rack (1), the upper end of the water collecting tank (10) is open, a water outlet is formed in the lower end of the water collecting tank (10), a water suction pump (11) is installed on the water outlet, a second gear (12) capable of rotating is arranged on the right side plate of the rack (1), the left end face of the second gear (12) is a friction face, the water collecting tank (10) can move up and down, a fixed shaft (13) is arranged at the right end of the water collecting tank (10), and a friction wheel (14) attached to the left end face of the second gear (12) is installed on the fixed shaft (13);
a roller shaft (15) parallel to the rotating shaft (4) is arranged on the lower side of the feeding box (2), the roller shaft (15) can roll back and forth along the surface of the filter screen (6), and hard fibers are arranged on the surface of the roller shaft (15) and can clean the outer side of the filter screen (6);
the novel filter screen is characterized in that arc-shaped plates (16) coaxial with the filter screen (6) are arranged at two ends of the roll shaft (15), arc-shaped grooves (17) coaxial with the filter screen (6) are formed in the arc-shaped plates (16), sliding blocks (18) capable of sliding along the arc-shaped grooves (17) are arranged in the arc-shaped grooves (17), springs are connected between the sliding blocks (18) and the end portions of the corresponding arc-shaped grooves (17), two ends of each sliding block (18) are arranged on two sides of each arc-shaped plate (16), protrusions are arranged at two ends of each sliding block (18) to enable the sliding blocks (18) and the arc-shaped plates (16) not to be separated, two ends of the roll shaft (15) are rotatably connected with the sliding blocks (18), and bearings are arranged between two ends of the roll shaft (15) and the sliding blocks (18); a pinion (19) is fixed at the right end of the roller shaft (15), an arc-shaped rack (20) coaxial with the arc-shaped plate (16) is meshed with the lower side of the pinion (19), the rack (20) is fixed with the arc-shaped plate (16) close to the rack, an incomplete gear (21) is fixed at the left end of an outer gear ring in the planetary gear train, and the incomplete gear (21) rotates to drive the pinion (19) to roll along the rack (20).
2. The sewage treatment device according to claim 1, wherein a cylinder (22) capable of moving left and right and rotating is sleeved at the right end of the fixed shaft (13), the friction wheel (14) is sleeved on the cylinder (22), a bearing is installed between the friction wheel (14) and the cylinder (22), an annular plate (23) is sleeved at the left end of the fixed shaft (13), a bearing is installed between the annular plate (23) and the fixed shaft (13), and a pressure spring is arranged between the annular plate (23) and the cylinder (22) and enables the friction wheel (14) to keep contact with the left end face of the second gear (12).
3. The sewage treatment device according to claim 1, wherein a horizontal blind hole is formed at the right end of the fixing shaft (13), a clamping block (24) capable of moving left and right is arranged in the blind hole, a pressure spring is connected between the clamping block (24) and the blind hole, a clamping hole is formed in the left end surface of the second gear (12), the clamping hole is eccentric to the second gear (12), the second gear (12) is fixed and does not rotate when the clamping block (24) is arranged in the clamping hole, and the right end of the clamping block (24) is hemispherical.
4. The sewage treatment device according to claim 1, wherein a plurality of vertical cylinders (25) are fixed on the lower side plate of the frame (1), a plurality of vertical rods (26) corresponding to the vertical cylinders (25) one by one are fixed at the lower end of the water collection tank (10), the lower ends of the vertical rods (26) are inserted into the vertical cylinders (25), and a pressure spring is connected between the lower ends of the vertical rods (26) and the lower ends of the cylinders (22).
5. The sewage treatment device according to claim 1, wherein the left end of the discharging barrel (3) is provided with a sealing cover (27), the sealing cover (27) can seal the left end of the discharging barrel (3), and the upper end of the sealing cover (27) is hinged with the discharging barrel (3) through a torsion spring.
6. The sewage treatment device according to claim 1, wherein the supporting cylinder (28) is sleeved at the left end of the rotating shaft (4), a bearing is arranged between the supporting cylinder (28) and the rotating shaft (4), and the supporting cylinder (28) and the feeding cylinder are connected together through a plurality of connecting rods (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010613529.6A CN111672175B (en) | 2020-06-30 | 2020-06-30 | Sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010613529.6A CN111672175B (en) | 2020-06-30 | 2020-06-30 | Sewage treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111672175A CN111672175A (en) | 2020-09-18 |
| CN111672175B true CN111672175B (en) | 2021-11-19 |
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ID=72456937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010613529.6A Active CN111672175B (en) | 2020-06-30 | 2020-06-30 | Sewage treatment device |
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| Country | Link |
|---|---|
| CN (1) | CN111672175B (en) |
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| CN112516710A (en) * | 2020-12-02 | 2021-03-19 | 李扬 | Environment-friendly industrial waste gas purification device |
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| CN106390555B (en) * | 2016-10-11 | 2018-12-11 | 鹤壁职业技术学院 | A kind of screw extrusion automatic dewatering unit |
| CN106669276A (en) * | 2016-11-23 | 2017-05-17 | 盐城市星火阀业制造有限公司 | Multistage-separation efficient solid-liquid separation device |
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