CN112870808B - Environment-friendly sewage sludge recovery device - Google Patents
Environment-friendly sewage sludge recovery device Download PDFInfo
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- CN112870808B CN112870808B CN202110435023.5A CN202110435023A CN112870808B CN 112870808 B CN112870808 B CN 112870808B CN 202110435023 A CN202110435023 A CN 202110435023A CN 112870808 B CN112870808 B CN 112870808B
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- 238000011084 recovery Methods 0.000 title claims abstract description 24
- 239000010801 sewage sludge Substances 0.000 title claims abstract description 16
- 239000010802 sludge Substances 0.000 claims abstract description 55
- 239000010865 sewage Substances 0.000 claims abstract description 33
- 239000012535 impurity Substances 0.000 claims abstract description 27
- 239000012530 fluid Substances 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims description 41
- 230000007613 environmental effect Effects 0.000 claims description 7
- 238000004064 recycling Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 abstract description 14
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000007790 scraping Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion 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
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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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
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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
- B01D29/50—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 particularly relates to an environment-friendly sewage sludge 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 accommodating solid impurities is formed in the first screen cylinder, a second cavity for accommodating fluid sludge is formed on the outer circumferential surface of the first screen cylinder and the inner circumferential surface of the second screen cylinder, a third cavity for accommodating liquid sewage is formed on the outer circumferential surface of the second screen cylinder and the inner circumferential surface of the outer cylinder body, and a discharge ring groove communicated with the second cavity and the outside is formed at the bottom end of the outer cylinder body; the second cavity is provided with a first unidirectional helical blade, a first fixed ring is arranged at the discharge ring groove, and a first rotating disc is arranged at the bottom of the first fixed ring. According to the invention, impurities, fluid sludge and liquid sewage are separated and fixed through the first screen cylinder and the second screen cylinder, and the sludge on the outer peripheral surface of the first screen cylinder and the sludge on the inner peripheral surface of the first screen cylinder are scraped through the first unidirectional helical blade, so that the separation problem of the sludge and the sewage is solved, and the problem of sludge adhesion on the inner wall of 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 the urban 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 the country and enterprises, and a plurality of sewage treatment plants are established to treat urban sewage. The sludge in some types of sewage has the advantage of recycling, and the sludge can be used as fertilizer and even as raw material for combustion power generation.
In the prior art, when sludge and sewage are separated, a sewage treatment device is generally adopted to primarily filter the sludge and the sewage, a filter screen is adopted in the sewage treatment device, a proper flocculating agent is put into the sewage to precipitate the sludge in the sewage, and then the filter screen is dismounted to recycle the sludge on the filter screen. This has the following problems: because sewage and mud get into together and make some mud can adhere to on sewage treatment plant's 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 the treatment case, be equipped with primary filter screen and the secondary filter screen of arranging from top to bottom in the treatment case, still rotate the turning block that sets up at both ends on the primary filter screen, and when the turning block rotated, the space that the turning block formed the space that supplies to scrape the mud piece to pass through with the space of primary filter screen, 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 wash to the water distribution piece of scraping the mud piece, still be equipped with the cam that is used for the shake to scrape the mud piece on the treatment case lateral wall. The sludge on the side wall of the treatment tank is scraped by the sludge scraping block, and the sludge scraping block is driven to reciprocate up and down by the crank mechanism, so that the possibility that the sludge is attached to the side wall of the treatment tank can be reduced, and the recovery amount of the sludge is increased. 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 invention adopts the technical scheme that:
an environmental protection sewage sludge recovery device, comprising:
an outer cylinder body is arranged on the inner cylinder body,
a second screen cylinder coaxial with the outer cylinder, the diameter of the second screen cylinder being smaller than the diameter of the outer cylinder;
a first screen cylinder coaxial with the outer cylinder, the first screen cylinder diameter being smaller than the second screen cylinder diameter;
the rotating shaft is a central shaft of the outer cylinder;
the first cavity is a cavity formed in the first screen cylinder and used for containing solid impurities;
the second cavity is a cavity formed by the outer circumferential surface of the first screen cylinder and the inner circumferential surface of the second screen cylinder and used for containing fluid sludge;
a third cavity, which is a cavity for containing liquid sewage formed by the outer circumferential surface of the second screen cylinder and the inner circumferential surface of the outer cylinder;
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 discharging ring groove is communicated with the second cavity and the outside, is arranged at the bottom end of the outer cylinder body and is used for discharging fluid sludge;
the first discharging pipe is communicated with the third cavity and the outside and is arranged at one side of the bottom end of the outer cylinder body and used for discharging liquid sewage;
the method also comprises the following steps:
the first unidirectional spiral blade is sleeved on the periphery of the first screen cylinder and arranged in the second cavity, and a plurality of supporting columns which are coaxial with the first unidirectional spiral blade are arranged on the first unidirectional spiral blade;
a first driving assembly provided at the top of the outer cylinder;
the first unidirectional spiral blade can rotate in the second cavity by taking the rotating shaft as a center through the first driving component;
the first fixing ring is arranged at the discharge ring groove, and first discharge grooves along the radial direction of the first fixing ring are uniformly distributed on the first fixing ring and are communicated with the outside of the outer cylinder body;
the first rotating disc is arranged at the bottom of the first fixed ring, and second discharge grooves 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 fixed ring, the second discharging groove is intermittently communicated with the first discharging groove 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 spiral blade, wherein when the first discharging groove on the first fixing ring is not communicated with the second discharging groove on the first fixing disc, the bottom end of the second cavity is in a sealing state, and the first unidirectional spiral blade further extrudes the liquid sludge at the bottom end of the second cavity at the moment, so that the liquid sewage in the liquid sludge flows into the third cavity through the second mesh; when the first discharging groove on the first fixing ring is communicated with the second discharging groove on the first fixing disc, the extruded sludge with low water content is discharged through the second discharging groove.
Preferably, the first driving assembly includes:
the first servo motor is arranged at the top of the outer cylinder body, and an output shaft of the first servo motor is fixedly connected with the top end of the rotating shaft coaxially and in synchronous transmission connection with the first unidirectional 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 rotatably arranged at the top of the outer cylinder body through the fixed shaft, and the second gear is meshed with the first gear;
the inner gear ring is coaxial with the first unidirectional helical blade and fixedly connected with the plurality of support columns, and is meshed with the second gear.
Preferably, the first discharge chute top end is provided with a first guide surface along both radial sides of the first fixing ring.
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 circumferential surface of the first screen cylinder and the inner circumferential 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:
a second unidirectional helical blade disposed on the rotating shaft;
the second fixing ring is fixedly arranged at the bottom end of the first screen drum, third discharging grooves are uniformly distributed on the second fixing ring along the radial direction of the second fixing ring, and second guide surfaces are arranged at the bottom end of the third discharging grooves along the radial two sides of the second fixing ring;
the second rotating disc is arranged at the bottom end of the second fixed ring, and fourth discharge grooves along the radial direction of the second rotating disc are uniformly distributed on the second rotating disc.
Preferably, the environment-friendly device further comprises a receiving cylinder, the receiving cylinder is coaxially arranged at the bottom of the outer cylinder body, the top end of the receiving cylinder is communicated with the discharging ring groove, the inner bottom end of the receiving cylinder is provided with an inclined surface inclined towards one side, and the lower end of the inclined surface is provided with a third discharging pipe penetrating along the radial direction of the receiving cylinder.
Preferably, the bottom end of the outer cylinder body is coaxially provided with a second discharging pipe communicated with the bottom end of the first screen cylinder and the outside of the outer cylinder body, and the second discharging pipe coaxially penetrates through the receiving cylinder.
Preferably, teeth are uniformly distributed on the outer peripheral surface of the first rotating disc.
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 meshed with teeth on the outer peripheral surface of the first rotating disc.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, impurities, fluid sludge and liquid sewage are separated and fixed through the first screen cylinder and the second screen cylinder, the first unidirectional spiral blade is driven by the first driving component to thoroughly scrape the sludge on the outer peripheral surface of the first screen cylinder and the inner peripheral surface of the second screen cylinder, the disc solves the separation problem of the sludge and the sewage, fundamentally solves the sludge adhesion problem on the inner wall of recovery equipment and improves the sludge recovery rate.
2. According to the invention, the second unidirectional helical blade, the first driving component and the second fixing ring are rotated, so that solid impurities accumulated in the first screen cylinder can be extruded outwards and discharged, and the solid impurities can be prevented from blocking the screen surface of the first screen cylinder to influence the separation effect of sludge.
3. According to the invention, the discharged fluid sludge can be effectively collected through the material collecting cylinder and the second material collecting pipe, and meanwhile, solid impurities and the fluid sludge are prevented from being mixed again, so that the recovery working efficiency is improved.
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 schematic 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 the first retainer ring and first rotatable plate of the present invention;
fig. 11 is a perspective view of a second retainer ring of the present invention.
The reference numerals in the figures are:
a-an outer cylinder; a1-a feeding pipe; a2-a discharge ring groove; a3-a first discharge pipe; a4-a second discharging pipe;
b-a second screen drum;
c-a first screen drum;
1-a first unidirectional helical blade; 1 a-a rubber strip; 1 b-support columns;
2-a first fixing ring; 2 a-a first spout; 2 b-a first guiding surface;
3-a first rotating disc; 3 a-a second spout; 3 b-teeth;
4-rotating shaft; 4 a-a second unidirectional helical blade;
5-a first drive assembly; 5 a-a first servomotor; 5 b-a first gear; 5 c-a second gear; 5 d-a fixed shaft; 5 e-an inner gear ring;
6-a second fixing ring; 6 a-a third spout; 6 b-a second guiding surface;
7-a second rotating disc; 7 a-fourth discharge chute;
8-a receiving cylinder; 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 enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
The utility model provides a sewage sludge environmental protection recovery unit, including outer barrel A, second screen cylinder B, first screen cylinder C, the axis of outer barrel is pivot 4, second screen cylinder B and first screen cylinder C are coaxial with outer barrel, the diameter of first screen cylinder C is less than the diameter of second screen cylinder B, second screen cylinder B diameter is less than the diameter of outer barrel A, form the first cavity that is used for holding solid impurity in the first screen cylinder C, the outer periphery of first screen cylinder C and the inner periphery of second screen cylinder B form the second cavity that holds fluid mud, the outer periphery of second screen cylinder B and the inner periphery of outer barrel A form the third cavity that holds liquid sewage; the top end of the outer cylinder body A is provided with a feed pipe A1 communicated with the first cavity and the outside, the bottom end of the outer cylinder body A is provided with a discharge ring groove A2 communicated with the second cavity and the outside, and the outer cylinder body A is also provided with a first discharge pipe A3 communicated with the third cavity and the outside;
the sewage sludge environment-friendly recovery device also comprises:
the first unidirectional spiral blade 1 is sleeved on the periphery of the first screen cylinder C and is arranged in the second cavity, and a plurality of supporting columns 1b which are coaxial with the first unidirectional spiral blade 1 are arranged on the first unidirectional spiral blade 1;
the first driving component 5 is arranged at the top of the outer cylinder A;
the first unidirectional helical blade 1 can rotate in the second cavity by taking the rotating shaft as a rotating shaft through the first driving component 5;
the first fixing ring 2 is fixedly arranged at the discharge ring groove A2, and first discharge grooves 2a which are radially distributed on the first fixing ring 2 and are communicated with the outside of the outer cylinder A;
the first rotating disc 3 is arranged at the bottom of the first fixed ring 2, and second discharge grooves 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 chute 3a and the first discharging chute 2a are intermittently communicated in the vertical direction.
The method comprises the steps that liquid sewage, fluid sludge and a mixture formed by fixed impurities are thrown into a first cavity formed by a first screen cylinder C through a feed pipe A1, the diameter of a screen hole of the first screen cylinder C is larger than that of the fluid sludge and smaller than that of the solid impurities, namely the solid impurities cannot pass through the screen hole of the first screen cylinder C, the fixed impurities are left in the first cavity, the liquid sewage and the fluid sludge pass through the circumferential surface of the first screen cylinder C to move into a second cavity, the diameter of the screen hole of the second screen cylinder B is smaller than that of the fluid sludge, the fluid sludge cannot pass through the screen hole of the second screen cylinder B, the fluid sludge is left in the second cavity, the liquid sewage passes through the second screen cylinder B to move into a third cavity, and the liquid sewage is discharged outwards through a first discharging pipe A3;
the first unidirectional helical blades 1 can scrape and convey 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 to the bottom end in the second cavity, meanwhile, the sludge is pressed and abutted to the top end of the first fixed ring 2 under the downward extrusion force action of the rotating first unidirectional helical blades 1, the first rotating disc 3 coaxially rotates at the bottom end of the first fixed ring 2, the second discharging groove 3a and the first discharging groove 2a are intermittently communicated with the outside along the vertical direction, and the sludge passes through the intermittently communicated first discharging groove 2a and second discharging groove 3a, so that the sludge is discharged outwards through the discharging ring groove A2, and the sludge is recovered;
compared with the equipment for separating and recycling through the sieve plate, the invention separates liquid sewage, fluid sludge and fixed impurities through the first sieve cylinder C and the second sieve cylinder B, scrapes the outer peripheral surface of the first sieve cylinder C and the inner peripheral surface of the first sieve cylinder C through the first unidirectional helical blade 1, and finally discharges the liquid sewage, the fluid sludge and the fixed impurities outwards through the communicated first discharge chute 2a, the second discharge chute 3a and the discharge ring groove A2, thereby fundamentally solving the problem of adhesion between the sludge and the inner wall of the separating and recycling equipment.
Further, the first driving assembly 5 includes:
the first servo motor 5a is arranged at the top of the outer cylinder body A, and an output shaft of the first servo motor 5a is fixedly connected with the top end of the rotating shaft 4 in a coaxial manner and is in synchronous transmission connection with the first unidirectional helical blade 1;
the first gear 5b, the first gear 5b is fixedly arranged on the output shaft of the first servo motor 5a coaxially;
the second gear 5c and the fixed shaft 5d are coaxially arranged with the first gear 5b and are 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;
and the inner gear ring 5e, wherein the inner gear ring 5e is coaxial with the first unidirectional helical blade 1 and 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, the output shaft drives the rotating shaft 4 to coaxially rotate in the first screen cylinder 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, further drives the inner gear ring 5e to coaxially rotate at the top of the outer cylinder A, and the inner gear ring 5e can drive the first unidirectional helical blade 1 to coaxially rotate in the second cavity through the support column 1b, and accordingly sludge is scraped and extruded by the first unidirectional helical blade 1 conveniently.
Further, the top end of the first discharge 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 to pile up in first blown down tank 2a through first guide face 2b 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 discharge fast, prevents that fluid mud from piling up on first retainer plate 2 top.
Further, rubber strips 1a which are in interference fit with the outer circumferential surface of the first screen cylinder C and the inner circumferential surface of the second screen cylinder B are arranged on the inner edge and the outer edge of the first unidirectional helical blade 1.
Through setting up rubber strip 1a at the interior limit and the outside of first one-way helical blade 1, can strengthen the axial stability of first one-way helical blade 1 for first one-way helical blade 1 can scrape and extrude the mud in the second cavity is stable, scrapes down along the axial completely with the outer peripheral face of first screen cylinder C and the attached mud on the inner peripheral face of second screen cylinder B, thereby is convenient for improve the sludge recovery rate.
Further, the inner diameter of the bottom end of the first screen cylinder C gradually decreases downwards and coaxially penetrates through the outer cylinder A.
Further, the environment-friendly recovery device further comprises:
a second unidirectional helical blade 4a provided on the rotation shaft 4;
the second retainer plate 6, the fixed setting of second retainer plate 6 is in first screen cylinder C bottom, and the coaxial normal running fit of second retainer plate 6 and pivot 4, and the equipartition has along its radial third blown down tank 6a on the second retainer plate 6, and third blown down tank 6a bottom all is provided with second guide face 6b along the radial both sides of second retainer plate 6.
The second rotating disc 7 is fixedly arranged at the bottom end of the second fixed ring 6, and fourth discharge grooves 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 assembly 5 is started, the output shaft of the first driving assembly drives the rotating shaft 4 to rotate in the first screen cylinder C, the second unidirectional spiral blades 4a arranged on the rotating shaft 4 can scrape the solid impurities attached to the inner peripheral surface of the first screen cylinder C, the solid impurities are extruded downwards along the axial direction to enable the solid impurities to be accumulated at the bottom end of the first screen cylinder C with gradually reduced inner diameter, namely, the solid impurities are abutted to 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 discharge chute 6a and the fourth discharge chute 7a are intermittently communicated with the outside of the outer cylinder A, namely, when the third discharge chute 6a is communicated with the fourth discharge chute 7a, the extruded solid impurities vertically pass through the third discharge chute 6a and the second guide surface 6b, so that the solid impurities are discharged out of the first screen cylinder C, and the solid impurities can be prevented from being blocked on the screen surface of the first screen cylinder C, and the separation effect of sludge can be prevented.
Further, the environment-friendly device further comprises a receiving cylinder 8, the receiving cylinder 8 is coaxial with the outer cylinder A and is arranged at the bottom of the outer cylinder A, the top end of the receiving cylinder 8 is communicated with the discharging ring groove A2, an inclined surface 8a which is inclined towards one side is arranged at the inner bottom end of the receiving cylinder 8, and a third discharging pipe 8b which penetrates along the radial direction of the receiving cylinder is arranged at the lower end of the inclined surface 8 a.
Further, the bottom end of the outer cylinder A is coaxially provided with a second discharging pipe A4 communicated with the bottom end of the first screen cylinder and the outside of the outer cylinder, and the second discharging pipe A4 coaxially penetrates through the receiving cylinder 8.
When the fluid sludge passes through the discharge ring groove A2, the sludge falls into the receiving cylinder 8, and as the inclined surface 8a is arranged at the inner bottom end of the receiving cylinder 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 receiving cylinder 8 is arranged at the lower end of the inclined surface 8a, so that 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 screen cylinder C from falling into the receiving cylinder 8; can effectually collect the fluid impurity of exhaust to one side discharge through receiving feed cylinder 8 and second discharging pipe A4, and then be convenient for improve work efficiency, prevent that fluid mud and solid impurity from remixing together again.
Further, the environmental protection device further includes a second driving component 9, which is fixedly disposed on the outer cylinder a, and the second driving component 9 includes:
a second servo motor 9a fixedly arranged on the outer cylinder A, wherein an output shaft of the second servo motor 9a and the first rotating disc 3 are coaxial;
and a third gear 9b fixedly provided on the output shaft of the second servo motor 9a, and the third gear 9b is engaged with the teeth 3b on the outer peripheral surface of the first rotary disk.
The second servo motor 9a is started, and the output shaft drives the third gear 9b to coaxially rotate on the outer cylinder A, and the third gear 9b is meshed with the teeth 3b on the first rotating disc, so that the third gear 9b can drive the first rotating disc 3 to rotate on the bottom end shaft of the outer cylinder A, and the first discharging groove 2a and the second discharging groove 3a are conveniently and intermittently communicated.
The foregoing has shown and described the basic principles, principal 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, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. 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 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, a second cavity for containing fluid sludge is formed on 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 on the outer circumferential surface of the second screen cylinder and the inner circumferential surface of the outer cylinder body;
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 cylinder is arranged in the second cavity, and a plurality of supporting columns which are coaxial with the first unidirectional helical blade are arranged on the first unidirectional helical blade;
a first driving component is arranged at the top of the outer cylinder body;
the first unidirectional spiral blade can rotate in the second cavity by taking the rotating shaft as a center through the first driving component;
a first fixing ring is arranged at the discharge ring groove, and first discharge grooves along the radial direction of the first fixing ring are uniformly distributed on the first fixing ring and are communicated with the outside of the outer cylinder body;
the bottom of the first fixed ring is provided with a first rotating disc, and second discharge grooves 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 fixed ring, the second discharging groove is intermittently communicated with the first discharging groove in the vertical direction.
2. The sewage sludge environmentally friendly recovery device of claim 1 wherein said first drive assembly comprises:
the first servo motor is arranged at the top of the outer cylinder body, and an output shaft of the first servo motor is fixedly connected with the top end of the rotating shaft in a coaxial manner and is in synchronous transmission connection with the first unidirectional 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 rotatably arranged at the top of the outer cylinder body through the fixed shaft, and the second gear is meshed with the first gear;
the inner gear ring is coaxial with the first unidirectional helical blade and fixedly connected with the plurality of support columns, and is meshed with the second gear.
3. The sewage sludge environment-friendly recovery device according to claim 1, wherein the top end of the first discharging chute is provided with first guide surfaces along the two radial sides of the first fixing ring.
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 in interference fit with the outer circumferential surface of the first screen cylinder and the inner circumferential surface of the second screen cylinder.
5. The sewage sludge environmentally friendly recovery device according to claim 1, wherein the inner diameter of the bottom end of the first screen cylinder is gradually reduced downwards and penetrates through the outer cylinder.
6. The environmentally friendly sewage sludge recovery device as claimed in claim 4, further comprising:
a second one-way helical blade disposed on the fixed shaft;
the second fixing ring is fixedly arranged at the bottom end of the first screen drum, third discharging grooves are uniformly distributed on the second fixing ring along the radial direction of the second fixing ring, and second guide surfaces are arranged at the bottom end of the third discharging grooves along the radial two sides of the second fixing ring;
the second rotating disc is fixedly arranged at the bottom end of the second fixed ring, and fourth discharge grooves along the radial direction of the second rotating disc are uniformly distributed on the second rotating disc.
7. The sewage sludge environment-friendly recycling device according to claim 1, further comprising a receiving cylinder arranged at the bottom of the outer cylinder body, wherein the top end of the receiving cylinder is communicated with the discharge ring groove, an inclined surface inclined towards one side is arranged at the inner bottom end of the receiving cylinder, and a third discharge pipe penetrating along the radial direction of the receiving cylinder is arranged at the lower end of the inclined surface.
8. The sewage sludge environmental protection recovery device of claim 7, wherein the outer cylinder bottom end is provided with a second discharge pipe which is communicated with the first screen cylinder bottom end and the outer cylinder outside, and the second discharge pipe penetrates through the receiving cylinder.
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| CN113354233B (en) * | 2021-07-19 | 2022-09-16 | 重庆水利电力职业技术学院 | Oily sludge treatment equipment |
| CN113927939B (en) * | 2021-11-03 | 2024-01-30 | 浙江国丰油脂有限公司 | Intelligent edible oil squeezing equipment |
| 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 |
| CN114146476B (en) * | 2022-02-07 | 2022-04-29 | 东莞市金旺食品有限公司 | Wastewater treatment equipment for candy factory and use method thereof |
| CN115069749B (en) * | 2022-06-01 | 2023-11-14 | 中科信宇环境科技(宁波)有限公司 | Efficient municipal greening soil treatment device and treatment method thereof |
| CN115518436B (en) * | 2022-10-17 | 2024-06-28 | 潍坊林凯机械有限公司 | High-energy-efficiency wringing machine |
| CN115501667B (en) * | 2022-11-23 | 2023-05-09 | 连云港恒鑫通矿业有限公司 | External-in type cylinder slag separation sieve |
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