CN114681982A - Rural domestic sewage distributed treatment system and distributed sewage pretreatment device - Google Patents
Rural domestic sewage distributed treatment system and distributed sewage pretreatment device Download PDFInfo
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- CN114681982A CN114681982A CN202210313425.2A CN202210313425A CN114681982A CN 114681982 A CN114681982 A CN 114681982A CN 202210313425 A CN202210313425 A CN 202210313425A CN 114681982 A CN114681982 A CN 114681982A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/015—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements
- B01D33/0158—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements self-supporting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
- B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
- B01D33/64—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by compression
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Filtration Of Liquid (AREA)
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Abstract
The invention relates to the technical field of domestic sewage treatment, in particular to a rural domestic sewage distributed treatment system and a distributed sewage pretreatment device. According to the invention, the distributed sewage pretreatment device is arranged at a low-lying place through the arrangement of the water storage tank and the filter press tank, sewage enters the water storage tank to be stored, the weight of the water storage tank is increased to drive the communicating pipe and the filter screen plate to move downwards, so that the filter screen plate downwards extrudes liquid in the filter press tank, the sewage in the filter press tank is filtered and the impurities are compressed by utilizing the gravity of the sewage in the water storage tank, and the high-degree physical filtration of the sewage is realized.
Description
Technical Field
The invention relates to the technical field of domestic sewage treatment, in particular to a rural domestic sewage distributed treatment system and a distributed sewage pretreatment device.
Background
The main way of current rural sewage treatment is just to concentrate sewage discharge, still have local peasant simultaneously with leading-in field side of domestic sewage or roadside, incur in the middle of big local sewage all can flow into the river, not only can influence the ecological environment of rural area, still can influence the water quality of rural area simultaneously, because rural resident dispersion of living, and then make sewage spread comparatively dispersedly, bring certain degree of difficulty for practicing sewage treatment work, can't exert sewage treatment equipment's effect and effect.
The existing rural domestic sewage distributed treatment mode is characterized in that one or more households share one small-sized one-stop treatment device to treat domestic sewage, a biological membrane and a filler are required to be replaced periodically during use, the use cost is high, the biological membrane in the rural domestic sewage is easy to damage due to large sewage discharge fluctuation, the sewage treatment effect is not good, and due to the existence of silt, excrement, kitchen garbage and the like in sewage, the laying cost of a sewage pipeline is high, sewage conveying is difficult, and the realization is difficult.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a rural domestic sewage distributed treatment system and a distributed sewage pretreatment device, wherein the distributed sewage pretreatment device is arranged at a low-lying part of the terrain through the arrangement of a water storage tank and a filter pressing tank, sewage enters the water storage tank to be stored, the weight of the water storage tank is increased so as to drive a communicating pipe and a filter screen plate to move downwards, so that the filter screen plate downwards extrudes liquid in the filter pressing tank, the sewage in the filter pressing tank is filtered and compressed by utilizing the gravity of the sewage in the water storage tank, so that the higher-degree physical filtration of the sewage is realized, impurities entering a water conveying network pipe are reduced, the conveying burden of the water conveying network pipe is lightened, and the conveying cost is reduced, through the arrangement of the distributed sewage pretreatment device, before the sewage enters the water conveying network pipe, the pretreatment device is used for separating solid impurities in the sewage, the liquid impurities entering the water delivery network management are reduced, so that the requirement on the water delivery network management is lowered, the cost of the network management is reduced, the water delivery cost of the network management is also lowered due to the reduction of the impurities, the liquid is subjected to centralized treatment through the centralized treatment station, the treatment cost is reduced, the water treatment effect is more stable, and the sewage treatment cost is reduced and the sewage treatment effect is improved.
The purpose of the invention can be realized by the following technical scheme:
a rural domestic sewage distributed treatment system comprises a plurality of pretreatment devices and a centralized treatment station, wherein the pretreatment devices are connected with the centralized treatment station through a water delivery network management pipe, the pretreatment devices are used for filtering, concentrating and collecting sludge and solid impurities in domestic sewage, and the centralized treatment station is used for performing centralized treatment on sewage.
The distributed sewage pretreatment device comprises a collecting box, wherein the top surface of the collecting box is communicated with a filter-pressing box, a water storage box is arranged above the filter-pressing box, the bottom end of the water storage box is fixedly connected with a communicating pipe which is communicated up and down, the top end of the filter-pressing box is provided with a first round hole, the outer side wall of one side of the bottom end of the filter-pressing box is provided with a second round hole, the bottom end of the communicating pipe penetrates through the round holes and is connected with the inner wall of the first round hole in a sliding manner, the bottom end of the communicating pipe is fixedly connected with a filter screen plate, the outer side wall of the filter-pressing box is provided with a lower sleeve, the bottom end of the outer side wall of one side of the water storage box is communicated with an upper sleeve, the bottom end of the lower sleeve is communicated with the second round hole, the top end of the lower sleeve is sleeved with the upper sleeve in a sliding manner, a spring telescopic rod is fixedly connected between the water storage box and the filter-pressing box, the outer side walls of the two long sides of the bottom end of the filter-pressing box are provided with side notches, and the inner walls of the side notches are connected with a scraper plate and a sealing plate in a sliding manner, the scraper is positioned above the sealing plate, the other short side outer wall at the bottom end of the filter-pressing box is fixedly connected with a driving mechanism for driving the scraper and the sealing plate to slide, the distributed sewage pretreatment device is installed at a low-lying place and is used for communicating a domestic sewage pipe with the water storage tank, the water storage tank is supported by the elasticity of the spring telescopic rod, sewage enters the water storage tank and is stored, the weight of the water storage tank is increased so as to overcome the elasticity of the spring telescopic rod to move downwards, the water storage tank drives the communicating pipe and the filter screen plate to move downwards, so that the filter screen plate downwards extrudes liquid in the filter-pressing box, the filtered liquid above the filter screen plate is conveyed into the water conveying net pipe by the communicating pipe, the filter screen plate is driven to continuously extrude downwards along with the continuous increase of the sewage in the water storage tank to filter the sewage in the filter-pressing box, impurities in the sewage are compressed to the bottom of the filter-pressing box, and the communicating pipe completely discharges the liquid above the filter screen plate, then actuating mechanism drives two scraper blades and two shroudings equal reciprocating motion once, make the shrouding open the bottom of filter-pressing case, the impurity of filter screen board bottom surface is scraped down to the scraper blade, impurity falls into the collecting box, the scraper blade resets, two shroudings reclose the filter-pressing case, water level in the water storage tank is crossed behind the sheathed tube top, sewage in the water storage tank is by in upper sleeve pipe and the lower casing suction filter-pressing case, the spring telescopic link uplifts the water storage tank again, make the water storage tank shift up, realize utilizing the gravity of sewage in the water storage tank to filter sewage in the filter-pressing case and to the compression of impurity, realize the physics of sewage and filter, reduce the impurity that gets into in the water delivery network management, alleviate the transport burden of water delivery network management, reduce transport cost, the collecting box is concentrated corruption to impurity, improve the reuse value of impurity.
Further, the method comprises the following steps: the bottom end of the annular outer side wall of the communicating pipe is provided with a communicating port, the top end of the annular outer side wall of the communicating pipe is provided with a water outlet, the communicating pipe is communicated with the water delivery net pipe through the water outlet, and liquid above the filter screen plate is discharged through the communicating port.
Further, the method comprises the following steps: the annular outer side wall bottom of the communicating pipe is provided with a lower limiting ring above the communicating port, the annular outer side wall top of the communicating pipe is provided with an upper limiting ring below the water outlet, the descending height of the filter screen plate is limited through the upper limiting ring, the ascending heights of the filter screen plate and the communicating pipe are limited through the lower limiting ring, and the communicating port is prevented from being shielded.
Further, the method comprises the following steps: the top of holding water tank is provided with the water inlet, it includes the kink to go up the sleeve pipe, the high position of kink is located the water inlet below for sewage is close to hold full and is made by in upper casing and the lower sleeve pipe suction filter-press case in the holding water tank.
Further, the method comprises the following steps: the driving mechanism comprises a motor, the other short outer side wall at the bottom of the filter-pressing box is rotatably connected with a first gear, the other short outer side wall at the bottom of the filter-pressing box is rotatably connected with a second gear below the first gear, a first toothed bar is arranged above the first gear, a second toothed bar is arranged below the first gear, the right end of the first toothed bar is fixedly connected with a scraper at the right side, the left end of the second toothed bar is fixedly connected with another scraper at the left side, the first toothed bar and the second toothed bar are both meshed with the first gear, a third toothed bar is arranged above the second gear, a fourth toothed bar is arranged below the second gear, the left end of the third toothed bar is fixedly connected with one sealing plate at the left side, the right end of the fourth toothed bar is fixedly connected with another sealing plate at the right side, the third toothed bar and the fourth toothed bar are both meshed with the second gear, and a connecting rod is fixedly connected between the right end of the third toothed bar and the first toothed bar, the inner wall top of holding water tank is provided with water level response module, through water level response module, start linear electric motor before the kink is crossed to water level in the holding water tank, make linear electric motor's output reciprocal flexible once, when the linear electric motor output extended, drive a rack bar and move to a left side, rack bar drives two right sides of rack bar through gear one, realize driving two scraper blades and draw close to the centre, thereby scrape the impurity of filter plate bottom surface down, rack bar moves on a left side and drives three left sides of rack bar through the connecting rod and move, rack bar three drives four right sides of rack bar through gear two, realize driving two shrouding and deviate from the slip to both sides and open, make impurity fall into in the collecting box, linear electric motor's output returns and contracts, drive two scraper blades and slide to open to both sides, two shrouding draw close again.
Further, the method comprises the following steps: the height position of the second round hole is consistent with that of the scraper, so that when the filter screen plate descends above the scraper, sewage can be conveniently filled between the filter screen plate and the sealing plate.
Further, the method comprises the following steps: and a slope is formed on one side wall of each of the two scraping plates, which is close to each other, so that the scraping plates can scrape impurities on the bottom surface of the filter screen plate conveniently.
Further, the method comprises the following steps: and the outer side wall of the bottom end of the filter-pressing box is fixedly connected with a shell to protect the linear motor, the first gear and the first rack bar.
Further, the method comprises the following steps: the inside bottom of holding water tank has linked firmly the swash plate, reduces the sediment in the holding water tank and remains the top surface one end of collecting box has seted up the discharge gate, conveniently drags for the impurity in the collecting box.
The invention has the beneficial effects that:
1. the distributed sewage pretreatment device is arranged at a low-lying place through the arrangement of the water storage tank and the filter pressing tank, sewage enters the water storage tank to be stored, the weight of the water storage tank is increased so as to overcome the elastic force of the telescopic rod of the spring to move downwards, the water storage tank drives the communicating pipe and the filter screen plate to move downwards, the filter screen plate downwards extrudes liquid in the filter pressing tank, the filtered liquid above the filter screen plate is conveyed into the water delivery net pipe through the communicating pipe, the filter screen plate is driven to continuously extrude downwards along with the continuous increase of the sewage accumulated in the water storage tank, the sewage in the filter pressing tank is filtered, impurities in the sewage are compressed to the bottom of the filter pressing tank, the closing plates open the bottom end of the filter pressing tank, the scraper scrapes the impurities of the filter bottom surface net plate down, the impurities fall into the collecting tank, the scraper resets, the two closing plates close the filter pressing tank again, the sewage in the water storage tank is pumped into the filter pressing tank through the upper sleeve and the lower sleeve after the water level in the water storage tank, the spring telescopic rod lifts the water storage tank again to enable the water storage tank to move upwards, so that the sewage in the filter-press tank is filtered and the impurities are compressed by using the gravity of the sewage in the water storage tank, the sewage is physically filtered to a higher degree, the impurities entering a water delivery network pipe are reduced, the conveying burden of the water delivery network pipe is reduced, the conveying cost is reduced, and the impurities are subjected to concentrated decomposition treatment by the collecting box to improve the recycling value of the impurities;
2. through the arrangement of the distributed sewage pretreatment device, before sewage enters the water delivery network management, solid impurities in the sewage are separated by using the pretreatment device, so that liquid impurities entering the water delivery network management are reduced, the requirement on the water delivery network management is lowered, the cost of the network management is lowered, the water delivery cost of the network management is also lowered due to the reduction of the impurities, the liquid is subjected to centralized treatment through a centralized treatment station, the treatment cost is lowered, the water treatment effect is more stable, and the sewage treatment cost is reduced and the sewage treatment effect is improved;
3. through the setting of scraper blade, the filter plate board is constantly extrudeed downwards, filters the filter-pressing incasement sewage to compress to the filter-pressing bottom of the case portion with the impurity in the sewage, actuating mechanism drives two scraper blades and draws close to the centre, thereby scrapes the filter-pressing board bottom surface, scrapes impurity down, effectively reduces the jam of filter-pressing board, facilitates the use.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic flow diagram of the system of the present invention;
FIG. 2 is a schematic view of the overall structure of the pretreatment apparatus of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic view of the structure of the collection chamber of the present invention;
FIG. 5 is a schematic view showing a structure in which a water storage tank is lifted in accordance with the present invention;
FIG. 6 is a schematic view of the internal structure of the filter press box of the present invention;
FIG. 7 is a schematic view of the drive mechanism of the present invention;
FIG. 8 is a schematic view of the construction of the scraper blade and closing plate of the present invention;
FIG. 9 is a schematic view of the structure of the communicating tube of the present invention;
FIG. 10 is a schematic view of the construction of the filter press box of the present invention.
In the figure: 100. a water storage tank; 110. a water inlet; 120. a sloping plate; 200. a filter-pressing box; 210. a first round hole; 220. a second round hole; 230. a side notch; 240. closing the plate; 250. a squeegee; 300. a communicating pipe; 310. a filter screen plate; 320. a communication port; 330. a water outlet; 340. a lower limit ring; 350. an upper confinement ring; 400. a collection box; 410. a discharge port; 500. a drive mechanism; 510. a water level sensing module; 520. a motor; 530. a first gear; 531. a toothed bar I; 532. a second toothed bar; 540. a second gear; 541. a rack bar III; 542. a rack bar IV; 550. a connecting rod; 560. a housing; 600. setting a sleeve; 610. sleeving a sleeve; 611. a bending section; 700. the spring is a telescopic rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, a decentralized treatment system for rural domestic sewage includes a plurality of pretreatment devices and a centralized treatment station, wherein the pretreatment devices are connected to the centralized treatment station through a water delivery network management, the pretreatment devices are used for filtering, concentrating and collecting sludge and solid impurities in the domestic sewage, and the centralized treatment station is used for centralized treatment of the sewage.
A distributed sewage pretreatment device comprises a collection box 400, the top surface of the collection box 400 is communicated with a filter-pressing box 200, a water storage box 100 is arranged above the filter-pressing box 200, the bottom end of the water storage box 100 is fixedly connected with a communicating pipe 300 which is communicated up and down, the top end of the filter-pressing box 200 is provided with a first round hole 210, the outer side wall of one short side of the bottom end of the filter-pressing box 200 is provided with a second round hole 220, the bottom end of the communicating pipe 300 passes through the first round hole 210 and is connected with the inner wall of the first round hole 210 in a sliding way, the bottom end of the communicating pipe 300 is fixedly connected with a filter screen plate 310, the outer side wall of the filter-pressing box 200 is provided with a lower sleeve 600, the bottom end of one outer side wall of the water storage box 100 is communicated with an upper sleeve 610, the bottom end of the lower sleeve 600 is communicated with the second round hole 220, the top end of the lower sleeve 600 is sleeved with the upper sleeve 610 in a sliding way, a spring telescopic rod 700 is fixedly connected between the water storage box 100 and the filter-pressing box 200, the outer side walls of two long sides of the bottom end of the filter-pressing box 200 are both provided with side notches 230, the inner walls of the side notches 230 are connected with a scraper 250 and a sealing plate 240 in a sliding way, the scraper 250 is located above the sealing plate 240, the other short side outer wall at the bottom end of the filter-pressing box 200 is fixedly connected with a driving mechanism 500 for driving the scraper 250 and the sealing plate 240 to slide, the distributed sewage pretreatment device is installed in a depression, a domestic sewage pipe is communicated with the water storage tank 100, the water storage tank 100 is supported by the elasticity of the spring telescopic rod 700, sewage enters the water storage tank 100 to be stored, the weight of the water storage tank 100 is increased to overcome the downward movement of the elasticity of the spring telescopic rod 700, the water storage tank 100 drives the communicating pipe 300 and the filter screen plate 310 to move downwards, so that the filter screen plate 310 downwards extrudes the liquid in the filter-pressing box 200, the filtered liquid above the filter screen plate 310 is conveyed into the water conveying net pipe by the communicating pipe 300, the filter screen plate 310 is driven to continuously downwards extrude along with the increasing amount of sewage stored in the water storage tank 100, the sewage in the filter-pressing box 200 is filtered, and impurities in the sewage are compressed to the bottom of the filter-pressing box 200, the communicating pipe 300 discharges all the liquid above the filter screen plate 310, then the driving mechanism 500 drives the two scrapers 250 and the two sealing plates 240 to reciprocate once, so that the sealing plates 240 open the bottom end of the filter press box 200, the scrapers 250 scrape off the impurities on the bottom surface of the filter screen plate 310, the impurities fall into the collecting box 400, the scrapers 250 reset, the two sealing plates 240 re-seal the filter press box 200, after the water level in the water storage tank 100 crosses the top end of the upper sleeve 610, the sewage in the water storage tank 100 is pumped into the filter press box 200 by the upper sleeve 610 and the lower sleeve 600, the spring telescopic rod 700 re-lifts the water storage tank 100 to move the water storage tank 100 upwards, the sewage in the filter press box 200 is filtered and the impurities are compressed by using the gravity of the sewage in the water storage tank 100, the physical filtration of the sewage is realized, the impurities entering the water delivery network management are reduced, the delivery burden of the water delivery network management is reduced, the delivery cost is reduced, the impurities are concentrated and decomposed by the collecting box 400, the recycling value of the impurities is improved.
The bottom end of the annular outer side wall of the communication pipe 300 is provided with a communication port 320, the top end of the annular outer side wall of the communication pipe 300 is provided with a water outlet 330, the communication pipe 300 is communicated with a water delivery network pipe through the water outlet 330, the liquid above the filter screen plate 310 is discharged through the communication port 320, the lower limiting ring 340 is arranged at the bottom end of the annular outer side wall of the communication pipe 300 above the communication port 320, the upper limiting ring 350 is arranged at the top end of the annular outer side wall of the communication pipe 300 below the water outlet 330, the descending height of the screen plate 310 is limited by the upper limit ring 350, the ascending height of the screen plate 310 and the communicating pipe 300 is limited by the lower limit ring 340, the communicating port 320 is prevented from being shielded, the water inlet 110 is provided at the top end of the water storage tank 100, the upper sleeve 610 includes a bending part 611, the height position of the bending part 611 is located below the water inlet 110, so that the contaminated water in the holding tank 100 approaches the full level to be drawn into the filter press case 200 by the upper sleeve 610 and the lower sleeve 600.
The driving mechanism 500 comprises a motor 520, the other short outer side wall at the bottom end of the filter-pressing box 200 is rotatably connected with a first gear 530, the other short outer side wall at the bottom end of the filter-pressing box 200 is positioned below the first gear 530 and is rotatably connected with a second gear 540, a first toothed bar 531 is arranged above the first gear 530, a second toothed bar 532 is arranged below the first gear 530, the right end of the first toothed bar 531 is fixedly connected with one scraper 250 positioned at the right side, the left end of the second toothed bar 532 is fixedly connected with the other scraper 250 positioned at the left side, both the first toothed bar 531 and the second toothed bar 532 are meshed with the first gear 530, a third toothed bar 541 is arranged above the second gear 540, a fourth toothed bar 542 is arranged below the second gear 540, the left end of the third toothed bar 541 is fixedly connected with one sealing plate 240 positioned at the left side, the right end of the fourth toothed bar 542 is fixedly connected with the other sealing plate 240 positioned at the right side, both the third toothed bar 541 and the fourth toothed bar 542 are meshed with the second gear 540, and a connecting rod 550 is fixedly connected between the right end of the third toothed bar 541 and the first toothed bar 531, the top end of the inner wall of the water storage tank 100 is provided with a water level sensing module 510, the water level sensing module 510 is used, the linear motor 520 is started before the water level in the water storage tank 100 crosses the bending part 611, the output end of the linear motor 520 stretches and retracts in a reciprocating manner once, when the output end of the linear motor 520 extends, the first rack 531 is driven to move left, the first rack 531 drives the second rack 532 to move right through the first gear 530, the two scraping plates 250 are driven to be closed towards the middle, impurities on the bottom surface of the filter screen plate 310 are scraped, the first rack 531 moves left and drives the third rack 541 to move left through the connecting rod 550, the third rack 541 drives the fourth rack 542 to move right through the second gear 540, the two sealing plates 240 are driven to deviate from and slide towards two sides to be opened, the impurities fall into the collecting tank 400, the output end of the linear motor 520 retracts to drive the two scraping plates 250 to slide and open towards two sides, and the two sealing plates 240 are closed again.
The height position of the second round hole 220 is consistent with that of the scraper 250, when the filter screen plate 310 descends above the scraper 250, sewage can be conveniently filled between the filter screen plate 310 and the sealing plate 240, a slope is formed in one side wall, close to each other, of the two scraper 250, the impurities on the bottom surface of the filter screen plate 310 can be conveniently scraped by the scraper 250, the outer shell 560 is fixedly connected to the outer side wall of the bottom end of the filter-pressing box 200, the linear motor 520, the first gear 530 and the first rack 531 are protected, the inclined plate 120 is fixedly connected to the bottom end of the inner part of the water storage box 100, the phenomenon that the sediment in the water storage box 100 is remained on one end of the top surface of the collection box 400 is reduced, and the impurities in the collection box 400 can be conveniently cleaned and fished.
The working principle is as follows: when in use, the distributed sewage pretreatment device is arranged at a low-lying place, a domestic sewage pipe is communicated with the water storage tank 100, the water storage tank 100 is supported by the elasticity of the spring telescopic rod 700, sewage enters the water storage tank 100 to be stored, the weight of the water storage tank 100 is increased so as to overcome the elasticity of the spring telescopic rod 700 to move downwards, the water storage tank 100 drives the communicating pipe 300 and the filter screen plate 310 to move downwards, so that the filter screen plate 310 downwards extrudes liquid in the filter press-filtering tank 200, the filtered liquid above the filter screen plate 310 is conveyed into the water conveying net pipe by the communicating pipe 300, the filter screen plate 310 is driven to continuously downwards extrude along with the increasing of the sewage stored in the water storage tank 100, the sewage in the filter press-filtering tank 200 is filtered, impurities in the sewage are compressed to the bottom of the filter press-filtering tank 200, and the liquid above the filter screen plate 310 is completely discharged by the communicating pipe 300,
through water level sensing module 510, start linear electric motor 520 before kink 611 is crossed to the water level in water storage tank 100, when linear electric motor 520 output extends, drive rack bar 531 and move to the left, rack bar 531 drives rack bar two 532 and moves to the right through gear one 530, realize driving two scraper plates 250 and draw close to the centre, thereby scrape the impurity of filter plate 310 bottom surface down, rack bar 531 moves to the left and drives rack bar three 541 and moves to the left through connecting rod 550, rack bar three 541 drives rack bar four 542 and moves to the right through gear two 540, realize driving two shrouding 240 and deviate from the slip to both sides and open, make impurity fall into in collecting box 400, linear electric motor 520's output is retracted, drive two scraper plates 250 and open to both sides slip, two shrouding 240 draw close the closure again.
After the water level in the water storage tank 100 passes through the top end of the upper sleeve 610, sewage in the water storage tank 100 is pumped into the filter-pressing tank 200 by the upper sleeve 610 and the lower sleeve 600, the water storage tank 100 is lifted by the spring telescopic rod 700 again, so that the water storage tank 100 moves upwards, the sewage in the filter-pressing tank 200 is filtered and the impurities are compressed by the gravity of the sewage in the water storage tank 100, the physical filtration of the sewage is realized, the impurities entering a water delivery network pipe are reduced, the conveying burden of the water delivery network pipe is reduced, the conveying cost is reduced, the impurities are decomposed in a centralized manner by the collecting tank 400, and the recycling value of the impurities is improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (10)
1. Rural domestic sewage distributed processing system, its characterized in that includes a plurality of preprocessing device and centralized processing station, and is a plurality of preprocessing device passes through the water delivery network management and is connected with the centralized processing station, preprocessing device is used for filtering, concentrating and collecting sludge and solid-state impurity in the domestic sewage, the centralized processing station is used for carrying out the centralized processing to sewage.
2. Distributed sewage pretreatment device, which is characterized by comprising a collection box (400), wherein the top surface of the collection box (400) is communicated with a filter-pressing box (200), a water storage box (100) is arranged above the filter-pressing box (200), the bottom end of the water storage box (100) is fixedly connected with a communicating pipe (300) which is communicated up and down, the top end of the filter-pressing box (200) is provided with a first round hole (210), the lateral wall of the short side of the bottom end of the filter-pressing box (200) is provided with a second round hole (220), the bottom end of the communicating pipe (300) passes through the first round hole (210) and is in sliding connection with the inner wall of the first round hole (210), the bottom end of the communicating pipe (300) is fixedly connected with a filter screen plate (310), the lateral wall of the filter-pressing box (200) is provided with a lower sleeve (600), the bottom end of the lateral wall of one side of the water storage box (100) is communicated with an upper sleeve (610), and the bottom end of the second round hole (220) of the lower sleeve (600), the top and the last sleeve pipe (610) of lower casing pipe (600) slip socket joint, spring telescopic link (700) have been linked firmly between water storage tank (100) and filter-pressing case (200), side notch (230) have all been seted up to two long side lateral walls in filter-pressing case (200) bottom, the inner wall sliding connection of side notch (230) has scraper blade (250) and shrouding (240), scraper blade (250) are located the top of shrouding (240), the other short side lateral wall in bottom of filter-pressing case (200) has linked firmly and is used for driving scraper blade (250) and gliding actuating mechanism (500) of shrouding (240).
3. The distributed sewage pretreatment device according to claim 2, wherein a communication port (320) is opened at a bottom end of an annular outer side wall of the communication pipe (300), and a water outlet (330) is provided at a top end of the annular outer side wall of the communication pipe (300).
4. The decentralized sewage pretreatment device according to claim 3, wherein a lower limiting ring (340) is disposed at the bottom end of the annular outer side wall of the communication pipe (300) above the communication port (320), and an upper limiting ring (350) is disposed at the top end of the annular outer side wall of the communication pipe (300) below the water outlet (330).
5. The decentralized sewage pretreatment device according to claim 2, characterized in that the top end of the water storage tank (100) is provided with a water inlet (110), and the upper sleeve (610) comprises a bent part (611), and the height position of the bent part (611) is below the water inlet (110).
6. The decentralized sewage pretreatment device according to claim 2, wherein said driving mechanism (500) comprises a motor (520), a first gear (530) is rotatably connected to the other short outer side wall at the bottom end of said filter press box (200), a second gear (540) is rotatably connected to the other short outer side wall at the bottom end of said filter press box (200) at a position below said first gear (530), a first rack (531) is disposed above said first gear (530), a second rack (532) is disposed below said first gear (530), the right end of said first rack (531) is fixedly connected to one scraper (250) at the right side, the left end of said second rack (532) is fixedly connected to the other scraper (250) at the left side, said first rack (531) and said second rack (532) are both meshed with said first gear (530), and a third rack (541) is disposed above said second gear (540), the below of two (540) gears is provided with four (542) rack bars, the left end of three (541) rack bars links firmly with one shrouding (240) that is located the left side, the right-hand member of four (542) rack bars links firmly with another shrouding (240) that is located the right side, three (541) rack bars, four (542) rack bars all mesh with two (540) gears, and link firmly between the right-hand member of three (541) rack bars and one (531) rack bars connecting rod (550), the inner wall top of water storage tank (100) is provided with water level sensing module (510).
7. The decentralized wastewater pretreatment device according to claim 2, characterized in that the height of the second circular hole (220) coincides with the height of the scraper (250).
8. The decentralized wastewater pretreatment device according to claim 2, characterized in that the side walls of the two scrapers (250) which are adjacent to each other are sloped.
9. The decentralized sewage pretreatment device according to claim 5, characterized in that the bottom end outside wall of the filter press box (200) is fixedly connected with a housing (560).
10. The decentralized sewage pretreatment device according to claim 2, characterized in that the bottom end of the interior of the water storage tank (100) is fixedly connected with a sloping plate (120), and one end of the top surface of the collection tank (400) is provided with a discharge hole (410).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210313425.2A CN114681982B (en) | 2022-03-28 | 2022-03-28 | Rural domestic sewage decentralized processing system and decentralized sewage pretreatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210313425.2A CN114681982B (en) | 2022-03-28 | 2022-03-28 | Rural domestic sewage decentralized processing system and decentralized sewage pretreatment device |
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| CN114681982A true CN114681982A (en) | 2022-07-01 |
| CN114681982B CN114681982B (en) | 2023-07-25 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1234787A (en) * | 1968-03-08 | 1971-06-09 | Progress Engineers Ltd | Improvements in and relating to filter presses |
| WO1988003048A1 (en) * | 1986-10-29 | 1988-05-05 | Merai Josef | Process and installation for dewatering waste water sludge |
| AU628750B1 (en) * | 1991-06-21 | 1992-09-17 | Ishigaki Company Limited | A filter press with cake removing devices |
| CN210885755U (en) * | 2019-11-08 | 2020-06-30 | 湖南省水利水电科学研究院 | Y-shaped sludge filter pressing device |
| CN216497890U (en) * | 2021-12-20 | 2022-05-13 | 青海沁淼环保设备有限公司 | Filter equipment for sewage treatment |
-
2022
- 2022-03-28 CN CN202210313425.2A patent/CN114681982B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1234787A (en) * | 1968-03-08 | 1971-06-09 | Progress Engineers Ltd | Improvements in and relating to filter presses |
| WO1988003048A1 (en) * | 1986-10-29 | 1988-05-05 | Merai Josef | Process and installation for dewatering waste water sludge |
| AU628750B1 (en) * | 1991-06-21 | 1992-09-17 | Ishigaki Company Limited | A filter press with cake removing devices |
| CN210885755U (en) * | 2019-11-08 | 2020-06-30 | 湖南省水利水电科学研究院 | Y-shaped sludge filter pressing device |
| CN216497890U (en) * | 2021-12-20 | 2022-05-13 | 青海沁淼环保设备有限公司 | Filter equipment for sewage treatment |
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| Publication number | Publication date |
|---|---|
| CN114681982B (en) | 2023-07-25 |
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