CN112870808A - Sewage sludge environment-friendly recovery device - Google Patents
Sewage sludge environment-friendly recovery device Download PDFInfo
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- CN112870808A CN112870808A CN202110435023.5A CN202110435023A CN112870808A CN 112870808 A CN112870808 A CN 112870808A CN 202110435023 A CN202110435023 A CN 202110435023A CN 112870808 A CN112870808 A CN 112870808A
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- outer cylinder
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- 238000011084 recovery Methods 0.000 title claims abstract description 20
- 239000010801 sewage sludge Substances 0.000 title claims abstract description 16
- 239000010802 sludge Substances 0.000 claims abstract description 43
- 238000007599 discharging Methods 0.000 claims abstract description 30
- 239000010865 sewage Substances 0.000 claims abstract description 28
- 239000012535 impurity Substances 0.000 claims abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims abstract description 16
- 239000007787 solid Substances 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 13
- 238000004064 recycling Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000007790 scraping Methods 0.000 abstract description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000002351 wastewater 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
- B01D29/62—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
-
- 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
- B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/23—Supported filter elements arranged for outward flow filtration
-
- 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
- B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
- B01D29/56—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 multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—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 multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to a sewage sludge environment-friendly recovery device, which comprises an outer cylinder body, a second screen cylinder, a first screen cylinder and a rotating shaft, wherein a first cavity for containing solid impurities is formed in the first screen cylinder; the second cavity is provided with a first one-way helical blade, a first fixing ring is arranged at the discharging ring groove, and a first rotating disc is arranged at the bottom of the first fixing ring. According to the invention, the first screen cylinder and the second screen cylinder are used for separating and fixing impurities, fluid sludge and liquid sewage, and the first unidirectional helical blade is used for scraping the sludge on the outer peripheral surface of the first screen cylinder and the inner peripheral surface of the first screen cylinder, so that the problem of separation of sludge and sewage is solved, and the problem of sludge adhesion on the inner wall of the recovery equipment is fundamentally solved.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an environment-friendly sewage sludge recovery device.
Background
With the acceleration of urbanization process, the amount of generated sewage increases year by year. In order to reduce the pollution of sewage to the environment, a large amount of financial resources are invested in countries and enterprises, and a plurality of sewage treatment plants are established to treat urban sewage. Sludge from some types of wastewater has the advantage of being recycled and used as fertilizer or even as a feedstock for combustion to generate electricity.
In the prior art, when separating sludge and sewage, a sewage treatment device is generally adopted to carry out preliminary filtration on the sludge and the sewage, a filter screen is adopted in the sewage treatment device, a proper flocculating agent is put in to precipitate the sludge in the sewage, and then the filter screen is detached to recycle the sludge on the filter screen. There is thus a problem that: because sewage and mud get into together and make that there is partial mud to adhere to on sewage treatment plant's the inside wall to make the mud volume on the filter screen reduce, finally lead to the recovery volume of mud to reduce, and need dismantle the filter screen and retrieve again, work efficiency is low.
Patent CN202010254748.X discloses a sewage sludge environmental protection recovery unit, including handling the case, it is primary filter screen and the secondary filter screen of arranging from top to bottom to handle the incasement, still rotate the turning block that sets up at both ends on the primary filter screen, when the turning block rotated, the space formation of turning block and primary filter screen supplied the space of scraping the mud piece and passing through, still be equipped with the torsional spring on the turning block, still be equipped with on the secondary filter screen and be used for water conservancy diversion sewage to erode to the branch water block of scraping the mud piece, still be equipped with the cam that is used for the shake to scrape the mud piece on handling the case lateral wall. Adopt and scrape the mud piece and strike off the mud of handling the case lateral wall to adopt crank mechanism to drive and scrape mud piece reciprocating motion from top to bottom, can reduce the mud and adhere to the possibility of handling the case lateral wall, increase the recovery volume of mud. But the device does not fundamentally solve the problem that the sludge adheres to the inner wall of the treatment tank.
Disclosure of Invention
In order to solve the technical problems, the invention provides an environment-friendly sewage sludge recovery device. The technical scheme adopted by the invention is as follows:
an environment-friendly sewage sludge recovery device comprises:
an outer cylinder body is arranged on the outer cylinder body,
the second screen drum is coaxial with the outer drum body, and the diameter of the second screen drum is smaller than that of the outer drum body;
the first screen drum is coaxial with the outer drum body, and the diameter of the first screen drum is smaller than that of the second screen drum;
the rotating shaft is a middle shaft of the outer cylinder body;
the first cavity is formed in the first screen cylinder and used for containing solid impurities;
the second cavity is formed by the outer circumferential surface of the first screen cylinder and the inner circumferential surface of the second screen cylinder and is used for containing fluid sludge;
the third cavity is a cavity for accommodating liquid sewage formed by the outer circumferential surface of the second screen cylinder and the inner circumferential surface of the outer cylinder body;
the feeding pipe is communicated with the first cavity and the outside, is arranged at the top end of the outer cylinder and is used for discharging a mixture formed by liquid sewage, fluid sludge and fixed impurities;
the discharge ring groove is communicated with the second cavity and the outside, is arranged at the bottom end of the outer cylinder and is used for discharging fluid sludge;
the first discharge pipe is communicated with the third cavity and the outside, is arranged on one side of the bottom end of the outer cylinder body and is used for discharging liquid sewage;
also includes:
the first unidirectional helical blade is sleeved on the periphery of the first screen cylinder and arranged in the second cavity, and a plurality of support columns which are coaxial with the first unidirectional helical blade are arranged on the first unidirectional helical blade;
the first driving assembly is arranged at the top of the outer cylinder body;
the first unidirectional helical blade can rotate in the second cavity by taking the rotating shaft as the center through the first driving assembly;
the first fixing ring is arranged at the discharge ring groove, first discharge grooves along the radial direction of the first fixing ring are uniformly distributed on the first fixing ring, and the first discharge grooves are communicated with the outside of the outer cylinder body;
the first rotating disc is arranged at the bottom of the first fixing ring, and second discharge chutes along the radial direction of the first rotating disc are uniformly distributed on the first rotating disc;
when the first rotating disc coaxially rotates relative to the first fixing ring, the second discharging groove and the first discharging groove are intermittently communicated along the vertical direction.
Scraping and extruding the fluid sludge on the inner wall of the second cavity to the bottom end of the second cavity through the first unidirectional helical blade, wherein when the first discharge chute on the first fixing ring is not communicated with the second discharge chute on the first fixing disc, the bottom end of the second cavity is in a sealed state, and at the moment, the first unidirectional helical blade further extrudes the liquid sludge at the bottom end of the second cavity, so that the liquid sewage in the liquid sludge flows into the third cavity through the second sieve mesh; when the first discharge chute on the first fixing ring is communicated with the second discharge chute on the first fixing disc, the extruded sludge with low water content is discharged through the second discharge chute.
Preferably, the first drive assembly comprises:
and the first servo motor is arranged at the top of the outer cylinder body, and an output shaft of the first servo motor is coaxially and fixedly connected with the top end of the rotating shaft and is in synchronous transmission connection with the first one-way helical blade.
The first gear is fixedly arranged on the output shaft of the first servo motor;
the second gear and the first gear are coaxial and are rotationally arranged at the top of the outer cylinder body through the fixed shaft, and the second gear is meshed with the first gear;
and the inner gear ring is coaxial with the first unidirectional helical blades and is fixedly connected with the support columns, and the inner gear ring is meshed with the second gear.
Preferably, the top end of the first discharging groove is provided with a first guide surface along both sides of the first fixing ring in the radial direction.
Preferably, the inner edge and the outer edge of the first unidirectional helical blade are provided with rubber strips which are in interference fit with the outer peripheral surface of the first screen cylinder and the inner peripheral surface of the second screen cylinder.
Preferably, the inner diameter of the bottom end of the first screen cylinder is gradually reduced downwards and coaxially penetrates through the outer cylinder body.
Preferably, the environmental protection device further comprises:
the second one-way helical blade is arranged on the rotating shaft;
the second fixing ring is fixedly arranged at the bottom end of the first screen drum, third discharge chutes along the radial direction of the second fixing ring are uniformly distributed on the second fixing ring, and second guide surfaces are arranged at the bottom ends of the third discharge chutes along the radial two sides of the second fixing ring;
and the second rotating disc is arranged at the bottom end of the second fixing ring, and fourth discharge chutes along the radial direction of the second rotating disc are uniformly distributed on the second rotating disc.
Preferably, the environment-friendly device is still including receiving the feed cylinder, and the coaxial setting of receiving the feed cylinder is in outer barrel bottom, receives feed cylinder top and ejection of compact annular intercommunication, and the bottom is provided with the inclined plane of slope towards one side in the receive feed cylinder, and the inclined plane low side is provided with along the radial third discharging pipe that runs through of receive feed cylinder.
Preferably, the outer barrel bottom end is provided with the second discharging pipe of intercommunication first sieve barrel bottom and the outside of outer barrel coaxially, and the second discharging pipe is coaxial to be run through and receives the feed cylinder.
Preferably, the first rotating disk has teeth uniformly distributed on its outer circumferential surface.
Preferably, the environmental protection device further comprises a second driving assembly, and the second driving assembly comprises:
the output shaft of the second servo motor and the first rotating disc are coaxially and fixedly arranged on the outer cylinder;
and the third gear is coaxially and fixedly arranged on the output shaft of the second servo motor and is meshed with the teeth on the outer peripheral surface of the first rotating disc.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention separates and fixes impurities, fluid sludge and liquid sewage through the first screen cylinder and the second screen cylinder, and the first one-way helical blade is driven by the first driving component to thoroughly and completely scrape the sludge on the outer circumferential surface of the first screen cylinder and the inner circumferential surface of the second screen cylinder, so that the problem of separation of the sludge and the sewage is solved, the problem of sludge adhesion on the inner wall of the recovery equipment is fundamentally solved, and the sludge recovery rate is improved.
2. According to the invention, by rotating the second unidirectional helical blade, the first driving assembly and the second fixing ring, solid impurities accumulated in the first screen cylinder can be extruded outwards and discharged, so that the solid impurities can be prevented from being blocked on the screen surface of the first screen cylinder to influence the separation effect of sludge.
3. The collecting barrel and the second collecting pipe can effectively collect the discharged fluid sludge, prevent solid impurities from being mixed with the fluid sludge again, and improve the recovery working efficiency.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a perspective cross-sectional view at section D-D of FIG. 2;
FIG. 4 is a cross-sectional view at section D-D of FIG. 2;
FIG. 5 is a perspective view of a first unidirectional helical blade;
FIG. 6 is an enlarged view of a portion of FIG. 4 at E;
FIG. 7 is an enlarged view of a portion of FIG. 4 at F;
FIG. 8 is an enlarged view of a portion of FIG. 4 at G;
FIG. 9 is an enlarged view of a portion of FIG. 4 at H;
FIG. 10 is an exploded perspective view of a first stationary ring and a first rotating disk of the present invention;
fig. 11 is a perspective view of a second retainer ring of the present invention.
The reference numbers in the figures are:
a-an outer cylinder; a1-feed tube; a2-discharge ring groove; a3-first tapping pipe; a4-second discharge pipe;
b-a second screen cylinder;
c-a first screen cylinder;
1-a first unidirectional helical blade; 1 a-a rubber strip; 1 b-a support column;
2-a first retainer ring; 2 a-a first discharge chute; 2 b-a first guide surface;
3-a first rotating disk; 3 a-a second discharge chute; 3 b-tooth;
4-a rotating shaft; 4 a-a second unidirectional helical blade;
5-a first drive assembly; 5 a-a first servo motor; 5 b-a first gear; 5 c-a second gear; 5 d-fixing the shaft; 5 e-an inner gear ring;
6-a second retainer ring; 6 a-a third discharge chute; 6 b-a second guide surface;
7-a second rotating disc; 7 a-a fourth discharge chute;
8-a material collecting barrel; 8 a-inclined plane; 8 b-a third discharge pipe;
9-a second drive assembly; 9 a-a second servomotor; 9 b-third gear.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
A sewage sludge environment-friendly recovery device comprises an outer cylinder body A, a second screen cylinder B, a first screen cylinder C and a middle shaft of the outer cylinder body, namely a rotating shaft 4, wherein the second screen cylinder B and the first screen cylinder C are coaxial with the outer cylinder body; the top end of the outer barrel A is provided with a feeding pipe A1 communicated with the first cavity and the outside, the bottom end of the outer barrel A is provided with a discharging ring groove A2 communicated with the second cavity and the outside, and the outer barrel A is also provided with a first discharging pipe A3 communicated with the third cavity and the outside;
this sewage sludge environmental protection recovery unit is still including:
the first unidirectional helical blade 1 is sleeved on the periphery of the first screen cylinder C and arranged in the second cavity, and a plurality of support columns 1b which are coaxial with the first unidirectional helical blade 1 are arranged on the first unidirectional helical blade 1;
the first driving assembly 5 is arranged at the top of the outer cylinder A;
the first unidirectional helical blade 1 can rotate in a second cavity by taking a rotating shaft as a rotating shaft through the first driving assembly 5;
the first fixing ring 2 is fixedly arranged at the discharge ring groove A2, and first discharge grooves 2a which are communicated with the outside of the outer cylinder A along the radial direction of the first fixing ring 2 are uniformly distributed on the first fixing ring 2;
the first rotating disc 3 is arranged at the bottom of the first fixing ring 2, and second discharge chutes 3a along the radial direction of the first rotating disc 3 are uniformly distributed on the first rotating disc 3;
when the first rotating disc 3 coaxially rotates relative to the first fixed ring 2, the second discharging groove 3a and the first discharging groove 2a are intermittently communicated along the vertical direction.
The method comprises the steps that a mixture formed by liquid sewage, fluid sludge and fixed impurities is put into a first cavity formed by a first screen drum C through a feeding pipe A1, the diameter of a screen hole of the first screen drum C is larger than that of the fluid sludge and smaller than that of the solid impurities, namely the solid impurities cannot penetrate through the screen hole of the first screen drum C, so that the fixed impurities are remained in the first cavity, the liquid sewage and the fluid sludge move into a second cavity through the circumferential surface of the first screen drum C, and the fluid sludge cannot penetrate through the screen hole of the second screen drum B because the diameter of the screen hole of the second screen drum B is smaller than that of the fluid sludge, so that the fluid sludge is remained in the second cavity, and the liquid sewage moves into a third cavity through the second screen drum B and is discharged outwards through a first discharging pipe A3;
the first unidirectional helical blade 1 can scrape down the sludge attached to the outer peripheral surface of the first screen cylinder C and the inner peripheral surface of the second screen cylinder B and send the sludge to the bottom end in the second cavity, meanwhile, the sludge is compacted and abutted to the top end of the first fixing ring 2 under the action of downward extrusion force of the rotating first unidirectional helical blade 1, the first rotating disc 3 coaxially rotates at the bottom end of the first fixing ring 2, the second discharge chute 3a and the first discharge chute 2a are intermittently communicated with the outside along the vertical direction, and the sludge passes through the intermittently communicated first discharge chute 2a and the second discharge chute 3a, is discharged outwards through the discharge ring groove A2 and is further recovered;
compared with equipment for separating and recycling through a sieve plate, the equipment disclosed by the invention has the advantages that liquid sewage, fluid sludge and fixed impurities are separated through the first sieve cylinder C and the second sieve cylinder B, the outer peripheral surface of the first sieve cylinder C and the inner peripheral surface of the first sieve cylinder C are scraped through the first unidirectional helical blade 1, and finally, the liquid sewage is discharged outwards through the communicated first discharge chute 2a, the second discharge chute 3a and the discharge annular groove A2, so that the problem of attachment of the sludge to the inner wall of the separation and recycling equipment is fundamentally solved.
Further, the first drive assembly 5 includes:
the first servo motor 5a is arranged at the top of the outer cylinder A, and an output shaft of the first servo motor 5a is coaxially and fixedly connected with the top end of the rotating shaft 4 and is in synchronous transmission connection with the first unidirectional helical blade 1;
the first gear 5b, the first gear 5b is coaxially and fixedly arranged on the output shaft of the first servomotor 5 a;
a second gear 5c and a fixed shaft 5d, wherein the second gear 5c is coaxial with the first gear 5b and is rotatably arranged at the top of the outer cylinder A through the fixed shaft 5d, and the second gear 5c is meshed with the first gear 5 b;
the inner gear ring 5e is coaxial with the first unidirectional helical blade 1 and is fixedly connected with the support column 1b, and the inner gear ring 5e is meshed with the second gear 5 c.
The first servo motor 5a is started, an output shaft of the first servo motor drives the rotating shaft 4 to coaxially rotate in the first screen drum C, meanwhile, the output shaft drives the first gear 5b to coaxially rotate, and the first gear 5b is meshed with the second gear 5C, so that the first gear 5b drives the second gear 5C to coaxially rotate on the fixed shaft 5d, the inner gear ring 5e is further driven to coaxially rotate at the top of the outer cylinder A, and the inner gear ring 5e can drive the first one-way helical blade 1 to coaxially rotate in the second cavity through the supporting column 1b, and therefore the first one-way helical blade 1 can conveniently scrape and extrude sludge.
Further, the top end of the first discharging chute 2a is provided with a first guide surface 2b along both sides of the first fixing ring 2 in the radial direction.
Can guide mud through first guide face 2b and pile up in first blown down tank 2a to be convenient for when first blown down tank 2a and second blown down tank 3a intercommunication, the mud that receives the extrusion force can outwards be discharged fast, prevents that fluid mud from piling up on first retainer plate 2 top.
Further, the inner edge and the outer edge of the first unidirectional helical blade 1 are provided with rubber strips 1a which are in interference fit with the outer peripheral surface of the first screen cylinder C and the inner peripheral surface of the second screen cylinder B.
Set up rubber strip 1a through interior limit and the outside at first one-way helical blade 1, can strengthen first one-way helical blade 1's axial stability for first one-way helical blade 1 can stably strike off and extrude mud in the second cavity, scrapes the adnexed mud along the axial completely on the outer peripheral face of a first sieve section of thick bamboo C and the inner peripheral face of a second sieve section of thick bamboo B, thereby is convenient for improve the mud rate of recovery.
Further, the inside diameter of the bottom end of the first screen cylinder C is gradually reduced downwards and coaxially penetrates through the outer cylinder body A.
Further, the environment-friendly recycling device further comprises:
a second unidirectional helical blade 4a provided on the rotary shaft 4;
And the second rotating disc 7 is fixedly arranged at the bottom end of the second fixing ring 6, and fourth discharge chutes 7a along the radial direction of the second rotating disc 7 are uniformly distributed on the second rotating disc 7.
When solid impurities are accumulated in the first screen cylinder C, the first driving component 5 is started, the output shaft of the first driving component drives the rotating shaft 4 to rotate in the first screen cylinder C, the second unidirectional helical blade 4a arranged on the rotating shaft 4 can scrape the solid impurities attached to the inner circumferential surface of the first screen cylinder C, and the solid impurities are extruded downwards along the axial direction to be accumulated at the bottom end of the first screen cylinder C with gradually reduced inner diameter, i.e. the top end of the second fixed ring 6, when the second rotating disc 7 rotates coaxially relative to the second fixed ring 6, the third discharging chute 6a and the fourth discharging chute 7a are intermittently communicated with the outside of the outer cylinder A, that is, while the third discharge chute 6a communicates with the fourth discharge chute 7a, the pressed solid impurities vertically pass through the third discharge chute 6a and the second guide surface 6b, thereby discharging the solid impurities out of the first screen cylinder C, and then can prevent that solid impurity jam from influencing the separation effect of mud on first sieve section of thick bamboo C sifter.
Further, environment-friendly device is still including receiving feed cylinder 8, and receive feed cylinder 8 and outer barrel A are coaxial and set up in outer barrel A's bottom, and 8 tops of receive feed cylinder communicate with ejection of compact annular A2, and 8 bottom in the feed cylinder of receiving are provided with the slope 8a of slope towards one side, and 8a low sides on slope are provided with along the radial third discharging pipe 8b that runs through of receive feed cylinder.
Further, outer barrel A bottom coaxial be provided with the outside second discharging pipe A4 of first sieve bobbin end of intercommunication and outer barrel, and the coaxial receipts feed cylinder 8 that runs through of second discharging pipe A4.
When fluid sludge passes through the discharge ring groove A2, the sludge falls into the material receiving barrel 8, and as the inclined surface 8a is arranged at the bottom end of the material receiving barrel 8, the material flows to the lowest end of the inclined surface 8a, and the third discharge pipe 8b along the radial direction of the material receiving barrel 8 is arranged at the lower end of the inclined surface 8a, the sludge can be discharged outwards through the third discharge pipe 8b, and the second discharge pipe A4 can prevent solid impurities in the first sieve barrel C from falling into the material receiving barrel 8; through receiving feed cylinder 8 and second discharging pipe A4 can be effectual collect discharged fluid impurity to one side discharge, and then be convenient for improve work efficiency, prevent that fluid mud and solid impurity from mixing again together.
Further, environment-friendly device is still including second drive assembly 9, and it is fixed to be set up on outer barrel A, and second drive assembly 9 is including:
the second servo motor 9a is fixedly arranged on the outer cylinder A, and the output shaft of the second servo motor 9a is coaxial with the first rotating disc 3;
and a third gear 9b fixedly provided on the output shaft of the second servomotor 9a, the third gear 9b meshing with the teeth 3b on the outer peripheral surface of the first rotary disk.
Start second servo motor 9a, its output shaft drives third gear 9b coaxial rotation on barrel A outside, because of the tooth 3b meshing mutually on third gear 9b and the first rotary disk, even make third gear 9b can drive first rotary disk 3 and rotate at barrel A bottom end axle outside to be convenient for intermittent type nature intercommunication first blown down tank 2a and second blown down tank 3 a.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The environment-friendly sewage and sludge recovery device is characterized by comprising an outer cylinder, a second screen cylinder, a first screen cylinder and a rotating shaft, wherein a first cavity for containing solid impurities is formed in the first screen cylinder, a second cavity for containing fluid sludge is formed by the outer circumferential surface of the first screen cylinder and the inner circumferential surface of the second screen cylinder, and a third cavity for containing liquid sewage is formed by the outer circumference of the second screen cylinder and the inner circumferential surface of the outer cylinder;
the top end of the outer cylinder body is provided with a feeding pipe communicated with the first cavity and the outside, the bottom end of the outer cylinder body is provided with a discharging ring groove communicated with the second cavity and the outside, and one side of the bottom end of the outer cylinder body is provided with a first discharging pipe communicated with the third cavity and the outside;
a first unidirectional helical blade sleeved on the periphery of the first screen drum is arranged in the second cavity, and a plurality of support columns coaxial with the first unidirectional helical blade are arranged on the first unidirectional helical blade;
the top of the outer cylinder body is provided with a first driving assembly;
the first one-way helical blade can rotate in the second cavity by taking the rotating shaft as a center through the first driving assembly;
a first fixing ring is arranged at the position of the discharge ring groove, first discharge grooves along the radial direction of the first fixing ring are uniformly distributed on the first fixing ring, and the first discharge grooves are communicated with the outside of the outer cylinder body;
a first rotating disc is arranged at the bottom of the first fixing ring, and second discharge chutes along the radial direction of the first rotating disc are uniformly distributed on the first rotating disc;
when the first rotating disc coaxially rotates relative to the first fixing ring, the second discharging groove and the first discharging groove are intermittently communicated in the vertical direction.
2. The environmentally friendly sewage sludge recycling apparatus of claim 1, wherein the first driving assembly comprises:
the first servo motor is arranged at the top of the outer cylinder, and an output shaft of the first servo motor is coaxially and fixedly connected with the top end of the rotating shaft and is in synchronous transmission connection with the first one-way helical blade;
the first gear is fixedly arranged on the output shaft of the first servo motor;
the second gear and the first gear are coaxial and are rotationally arranged at the top of the outer cylinder body through the fixed shaft, and the second gear is meshed with the first gear;
and the inner gear ring is coaxial with the first unidirectional helical blades and is fixedly connected with the support columns, and the inner gear ring is meshed with the second gear.
3. The environment-friendly sewage sludge recycling device according to claim 1, wherein the top end of the first discharging chute is provided with first guide surfaces along both sides of the first fixing ring in the radial direction.
4. The sewage sludge environment-friendly recovery device according to claim 1, wherein the inner edge and the outer edge of the first unidirectional helical blade are provided with rubber strips which are in interference fit with the outer peripheral surface of the first screen cylinder and the inner peripheral surface of the second screen cylinder.
5. The environmentally friendly sewage sludge recycling device according to claim 1, wherein the bottom end of the first screen cylinder has a diameter gradually decreasing downwards and penetrates through the outer cylinder body.
6. The sewage sludge environment-friendly recycling device according to claim 4, further comprising:
the second one-way helical blade is arranged on the fixed shaft;
the second fixing ring is fixedly arranged at the bottom end of the first screen drum, third discharge chutes along the radial direction of the second fixing ring are uniformly distributed on the second fixing ring, and second guide surfaces are arranged at the bottom ends of the third discharge chutes along the radial two sides of the second fixing ring;
and the second rotating disc is fixedly arranged at the bottom end of the second fixing ring, and the second rotating disc is uniformly provided with fourth discharge chutes along the radial direction of the second rotating disc.
7. The environment-friendly sewage sludge recovery device according to claim 1, further comprising a material receiving barrel arranged at the bottom of the outer barrel body, wherein the top end of the material receiving barrel is communicated with the material discharging ring groove, the bottom end in the material receiving barrel is provided with an inclined surface inclined towards one side, and the lower end of the inclined surface is provided with a third material discharging pipe which penetrates through the material receiving barrel in the radial direction.
8. The sewage sludge environment-friendly recovery device according to claims 1 to 6, wherein the bottom end of the outer cylinder body is provided with a second discharge pipe which is communicated with the bottom end of the first screen cylinder body and the outside of the outer cylinder body, and the second discharge pipe penetrates through the material collecting cylinder.
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| CN113927939A (en) * | 2021-11-03 | 2022-01-14 | 浙江国丰油脂有限公司 | Intelligent edible oil squeezing equipment |
| CN114146476A (en) * | 2022-02-07 | 2022-03-08 | 东莞市金旺食品有限公司 | Wastewater treatment equipment for candy factory and use method thereof |
| CN114226401A (en) * | 2021-12-21 | 2022-03-25 | 广东省建筑设计研究院有限公司 | Residue separator to organic solid waste |
| CN115069749A (en) * | 2022-06-01 | 2022-09-20 | 中科信宇环境科技(宁波)有限公司 | High-efficiency municipal greening soil treatment device and treatment method thereof |
| CN115501667A (en) * | 2022-11-23 | 2022-12-23 | 连云港恒鑫通矿业有限公司 | External-entering type cylindrical slag-separating screen |
| CN115518436A (en) * | 2022-10-17 | 2022-12-27 | 潍坊林凯机械有限公司 | High-energy-efficiency squeezing machine |
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| CN115501667A (en) * | 2022-11-23 | 2022-12-23 | 连云港恒鑫通矿业有限公司 | External-entering type cylindrical slag-separating screen |
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Effective date of registration: 20230420 Address after: 464000 northeast corner of the intersection of Jingbei 1st Road and Weibei 2nd Road, Yangshan New District, Xinyang City, Henan Province Applicant after: Henan Kaiyuan Water Technology Co.,Ltd. Address before: 310000 building 11, Nanyuan, HeXie Jiayuan, Jianggan District, Hangzhou City, Zhejiang Province Applicant before: Jiao Huali |
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