CN114681982B - Rural domestic sewage decentralized processing system and decentralized sewage pretreatment device - Google Patents
Rural domestic sewage decentralized processing system and decentralized sewage pretreatment device Download PDFInfo
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- CN114681982B CN114681982B CN202210313425.2A CN202210313425A CN114681982B CN 114681982 B CN114681982 B CN 114681982B CN 202210313425 A CN202210313425 A CN 202210313425A CN 114681982 B CN114681982 B CN 114681982B
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Sewage (AREA)
Abstract
The invention relates to the technical field of domestic sewage treatment, in particular to a rural domestic sewage decentralized treatment system and a decentralized sewage pretreatment device. According to the invention, the distributed sewage pretreatment device is arranged at a low-lying position through the arrangement of the water storage tank and the filter pressing tank, sewage enters the water storage tank and is stored, the weight of the water storage tank is increased so as to drive the communicating pipe and the filter screen plate to move downwards, the filter screen plate downwards extrudes liquid in the filter pressing tank, the sewage in the filter pressing tank is filtered by utilizing the gravity of the sewage in the water storage tank, and impurities are compressed, so that the sewage is physically filtered to a higher degree.
Description
Technical Field
The invention relates to the technical field of domestic sewage treatment, in particular to a rural domestic sewage decentralized treatment system and a decentralized sewage pretreatment device.
Background
The main method of current rural sewage disposal is to concentrate the sewage and discharge, and simultaneously there is local peasant to lead domestic sewage into the field limit or the road limit, and the great local sewage that will be incurred all flows into the river, can not only influence the ecological environment of rural area, can also influence the water quality of rural area simultaneously, because the resident in rural area is lived dispersedly, and then makes the sewage spread comparatively dispersedly, brings certain degree of difficulty for practicing sewage treatment work, can't exert sewage disposal equipment's effect and effect.
The existing rural domestic sewage decentralized treatment mode is characterized in that a small one-stop treatment device is shared by one or more households to treat domestic sewage, the biological film and the filler are required to be replaced periodically during use, the use cost is high, the biological film inside the sewage is easy to damage due to large fluctuation of sewage discharge amount, the sewage treatment effect is not good, and the sewage is difficult to realize due to the existence of sediment, excrement, kitchen waste and the like in the sewage in a centralized treatment mode, and the laying cost of a sewage pipeline is high, so that the sewage is difficult to convey.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a rural domestic sewage decentralized processing system and a decentralized sewage pretreatment device, the decentralized sewage pretreatment device is arranged at a low-lying position through the arrangement of a water storage tank and a filter-pressing tank, sewage enters the water storage tank and is 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, the filter screen plate downwards extrudes liquid in the filter-pressing tank, the sewage in the filter-pressing tank is filtered by utilizing the gravity of the sewage in the water storage tank and the impurity is compressed, thereby realizing the higher physical filtration of the sewage, reducing the impurity entering a water delivery network pipe, relieving the delivery burden of the water delivery network pipe, reducing the delivery cost, separating the solid impurity in the sewage by utilizing the pretreatment device before the sewage enters the water delivery network pipe, reducing the liquid impurity entering the water delivery network pipe, thereby reducing the requirement on the water delivery network pipe, reducing the cost of the water delivery network pipe, and the impurity concentration cost, and realizing the centralized treatment of the liquid in the water delivery tank, reducing the cost of the water delivery network pipe, and realizing the centralized treatment effect of the sewage treatment by a sewage treatment station.
The aim of the invention can be achieved by the following technical scheme:
the rural domestic sewage decentralized processing system comprises a plurality of pretreatment devices and a centralized processing station, wherein a plurality of pretreatment devices are connected with the centralized processing station through a water delivery network pipe, the pretreatment devices are used for filtering, concentrating and collecting sludge and solid impurities in the domestic sewage, and the centralized processing station is used for carrying out centralized processing on the 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, a communicating pipe which is communicated up and down is fixedly connected to the bottom end of the water storage box, a round hole I is formed in the top end of the filter pressing box, a round hole II is formed in the outer side wall of the bottom end of the filter pressing box, the bottom end of the communicating pipe penetrates through the round hole and is in sliding connection with the inner wall of the round hole I, a filter screen plate is fixedly connected to the bottom end of the communicating pipe, a lower sleeve is arranged on the outer side wall of the filter pressing box, an upper sleeve is communicated with the bottom end of the lower sleeve and the round hole II, the top end of the lower sleeve is in sliding sleeve connection with the upper sleeve, a spring telescopic rod is fixedly connected between the water storage box and the filter pressing box, side notches are formed in the outer side walls of the two long sides of the bottom end of the filter pressing box, the inner wall of the side slot is connected with a scraping plate and a sealing plate in a sliding way, the scraping plate is positioned above the sealing plate, the other short side outer side wall of the bottom end of the filter pressing box is fixedly connected with a driving mechanism for driving the scraping plate and the sealing plate to slide, the dispersed sewage pretreatment device is arranged at a low-lying position, a domestic sewage pipe is communicated with a water storage tank, the water storage tank is supported by the elasticity of a spring telescopic rod, sewage enters the water storage tank to be stored, the weight of the water storage tank is increased so as to overcome the elasticity of the spring telescopic rod and move downwards, the water storage tank drives a communicating pipe and a filter screen plate to move downwards, the filter screen plate downwards extrudes liquid in the filter pressing box, the filtered liquid above the filter screen plate is conveyed into a water conveying pipe, the sewage accumulated in the water storage tank is continuously increased along with the continuous extrusion of the filter screen plate, the sewage in the filter pressing box is filtered, and impurities in the sewage are compressed to the bottom of the filter pressing box, the communicating pipe is with the whole discharge of liquid of filter screen board top, then actuating mechanism drives two scrapers and two shrouding and all reciprocate once for the bottom of filter-pressing case is opened to the shrouding, the scraper blade scrapes down the impurity of filter screen board bottom surface, the impurity falls into the collecting box, the scraper blade resets, two shrouding recloses the filter-pressing case, the water level in the water storage tank is passed over the top of upper sleeve pipe after, sewage in the water storage tank is by upper sleeve pipe and lower sleeve pipe suction filter-pressing incasement, the spring telescopic link lifts the water storage tank again, make the water storage tank reciprocate, realize utilizing the gravity of sewage in the water storage tank to filter sewage in the filter-pressing case and compress to the impurity, realize the physical filtration to the sewage, reduce the impurity that gets into in the water network management, alleviate the transportation burden of water network management, reduce the cost of transportation, the collecting box concentrates the corruption to the impurity, improve the reuse value of impurity.
The method is further characterized in that: 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.
The method is further characterized in that: the upper limit ring is arranged at the bottom end of the annular outer side wall of the communicating pipe above the communicating port, the upper limit ring is arranged at the top end of the annular outer side wall of the communicating pipe below the water outlet, the descending height of the filter screen plate is limited by the upper limit ring, the ascending height of the filter screen plate and the communicating pipe is limited by the lower limit ring, and the communicating port is prevented from being shielded.
The method is further characterized in that: the top of water storage tank is provided with the water inlet, go up the sleeve pipe and include the kink, the high position of kink is located the water inlet below for sewage in the water storage tank is close to storing fully and makes by last sleeve pipe and lower sleeve pipe suction filter-pressing incasement.
The method is further characterized in that: the driving mechanism comprises a motor, a first gear is rotationally connected with the other short outer side wall at the bottom end of the filter pressing box, a second gear is rotationally connected with the other short outer side wall at the bottom end of the filter pressing box, 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 one scraper plate positioned on the right side, the left end of the second toothed bar is fixedly connected with the other scraper plate positioned on 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 positioned on the left side, the right end of the fourth toothed bar is fixedly connected with the other sealing plate positioned on the right side, the third toothed bar and the fourth toothed bar are both meshed with the second gear, and the right end of the toothed bar III and the toothed bar I are fixedly connected with a connecting rod, the top end of the inner wall of the water storage tank is provided with a water level sensing module, a linear motor is started before the water level in the water storage tank passes through the bending part through the water level sensing module, the output end of the linear motor is enabled to reciprocate once, when the output end of the linear motor is extended, the toothed bar I is driven to move left, the toothed bar I is driven to move right through a gear I, two scraping plates are driven to approach towards the middle, thereby scraping impurities on the bottom surface of the filter screen plate, the toothed bar I is driven to move left through the connecting rod, the toothed bar III is driven to move right through a gear II, two sealing plates are driven to deviate from the two sides to slide and open, the impurities fall into the collecting box, the output end of the linear motor is retracted, the two scraping plates are driven to slide to open to the two sides, and the two sealing plates are closed again.
The method is further characterized in that: the height position of the second round hole is consistent with the height position of the scraping plate, so that when the filter screen plate descends above the scraping plate, sewage is conveniently filled between the filter screen plate and the sealing plate.
The method is further characterized in that: slopes are formed on one side wall, close to each other, of the two scraping plates, and impurities on the bottom surface of the screen plate are scraped by the scraping plates conveniently.
The method is further characterized in that: the outer side wall of the bottom end of the filter pressing box is fixedly connected with a shell, and the linear motor, the first gear and the first toothed bar are protected.
The method is further characterized in that: the inside bottom of water storage tank links firmly the swash plate, reduces the sediment in the water storage tank and remains the discharge gate has been seted up to the top surface one end of collecting box, conveniently drags for the impurity in the collecting box.
The invention has the beneficial effects that:
1. through setting up of water storage tank and filter-pressing case, install this dispersed sewage pretreatment device in the low-lying place of topography, sewage gets into water storage tank and is stored, thereby water storage tank's weight increases and move down by overcoming the elasticity of spring telescopic link, water storage tank drives communicating pipe and filter screen board, make the filter screen board push down the liquid in the filter-pressing case of filtration, the liquid after filtering above the filter screen board is carried into the water network management by communicating pipe, with the sewage that holds up in the water storage tank constantly increases, drive the filter screen board and push down constantly, filter sewage in the filter-pressing case, and compress impurity in the sewage to the filter-pressing case bottom, the shrouding opens the bottom of filter-pressing case, the scraper blade scrapes down impurity in the filter screen board bottom surface, the impurity falls into the collecting box, the scraper blade resets, two shrouding water levels in the water storage tank are overcome the top of upper sleeve pipe and are moved down, the filter-pressing case is drawn into by upper sleeve pipe and lower sleeve pipe, the telescopic link lifts water storage tank again, make water storage tank move up, realize utilizing the gravity in the water storage tank to carry out filtration to filter-pressing incase sewage and sewage in the filter-pressing case and sewage, the sewage in the filter-pressing case is compressed down, realize the high compression to realize, the filter-pressing to realize in the filter-pressing case and the sewage, the impurity is carried in the water network management to the high-level, the cost is reduced, the cost is transported to the impurity is concentrated to the input to the impurity, the impurity is reduced, and is transported to the cost to the impurity is reduced, and is reduced to the cost to the impurity is transported to the impurity to the quality and is concentrated;
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 the pretreatment device, so that liquid impurities entering the water delivery network management are reduced, the requirement on the water delivery network management is reduced, the cost of the network management is reduced, the water delivery cost of the impurities is reduced, the concentrated treatment is carried out on the liquid through the concentrated 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;
3. through the setting of scraper blade, the filter screen board constantly extrudees downwards to filter the interior sewage of filter-pressing case to compress the impurity in the sewage to filter-pressing case bottom, actuating mechanism drives two scrapers and draws close to the centre, thereby scrapes the filter screen bottom, scrapes the impurity down, effectively reduces the jam of filter-pressing board, facilitates the use.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic flow diagram of a system in accordance with the present invention;
FIG. 2 is a schematic diagram of the overall structure of the pretreatment device in the present invention;
FIG. 3 is a schematic diagram of the front structure of the present invention;
FIG. 4 is a schematic view of the structure of the collecting box in the invention;
FIG. 5 is a schematic view of the structure of the water storage tank in the lifting state of the invention;
FIG. 6 is a schematic diagram of the internal structure of the filter press box according to the present invention;
FIG. 7 is a schematic view of the driving mechanism of the present invention;
FIG. 8 is a schematic view of the scraper and seal plate structure of the present invention;
FIG. 9 is a schematic view showing the structure of a communication pipe according to the present invention;
FIG. 10 is a schematic diagram of the structure of the press box in 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 round hole I; 220. a round hole II; 230. a side notch; 240. a sealing plate; 250. a scraper; 300. a communicating pipe; 310. a screen plate; 320. a communication port; 330. a water outlet; 340. a lower limit ring; 350. an upper limit ring; 400. a collection box; 410. a discharge port; 500. a driving mechanism; 510. a water level sensing module; 520. a motor; 530. a first gear; 531. a toothed bar I; 532. a toothed bar II; 540. a second gear; 541. a toothed bar III; 542. a toothed bar IV; 550. a connecting rod; 560. a housing; 600. running a sleeve; 610. a sleeve is arranged; 611. a bending part; 700. a spring telescopic rod.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 10, the rural domestic sewage decentralized processing system comprises a plurality of pretreatment devices and a centralized processing station, wherein the pretreatment devices are connected with the centralized processing station through a water delivery network pipe and are used for filtering, concentrating and collecting sludge and solid impurities in domestic sewage, and the centralized processing station is used for carrying out centralized processing on sewage.
The distributed sewage pretreatment device comprises a collecting box 400, wherein the top surface of the collecting box 400 is communicated with a filter pressing box 200, a water storage tank 100 is arranged above the filter pressing box 200, a communicating pipe 300 which is communicated up and down is fixedly connected at the bottom end of the water storage tank 100, a round hole I210 is formed at the top end of the filter pressing box 200, a round hole II 220 is formed at the outer side wall of the bottom end I of the filter pressing box 200, the bottom end of the communicating pipe 300 penetrates through the round hole I210 and is in sliding connection with the inner wall of the round hole I210, a filter screen plate 310 is fixedly connected at the bottom end of the communicating pipe 300, a lower sleeve 600 is arranged at the outer side wall of the filter pressing box 200, an upper sleeve 610 is communicated at the bottom end of one side outer side wall of the water storage tank 100, the bottom end of the lower sleeve 600 is communicated with the round hole II 220, the top end of the lower sleeve 600 is in sliding sleeve joint with the upper sleeve 610, a spring telescopic rod 700 is fixedly connected between the water storage tank 100 and the filter pressing box 200, side notches 230 are formed at the outer side walls of the two long sides of the bottom end of the filter pressing box 200, the inner wall of the side slot 230 is slidably connected with the scraping plate 250 and the sealing plate 240, the scraping plate 250 is positioned above the sealing plate 240, the other short side outer side wall of the bottom end of the filter pressing box 200 is fixedly connected with the driving mechanism 500 for driving the scraping plate 250 and the sealing plate 240 to slide, the dispersed sewage pretreatment device is arranged at a low-lying place, a domestic sewage pipe is communicated with the water storage box 100, the water storage box 100 is supported by the elasticity of the spring telescopic rod 700, sewage enters the water storage box 100 to be stored, the weight of the water storage box 100 is increased so as to overcome the elasticity of the spring telescopic rod 700 to move downwards, the water storage box 100 drives the communicating pipe 300 and the filter screen plate 310 to move downwards, the filtered liquid above the filter screen plate 310 is conveyed into the water conveying pipe by the communicating pipe 300, the filtered liquid above the filter screen plate 310 is continuously extruded downwards along with the continuous increase of the sewage accumulated in the water storage box 100, the sewage in the filter-pressing box 200 is filtered, impurities in the sewage are compressed to the bottom of the filter-pressing box 200, the communicating pipe 300 completely discharges liquid above the filter screen plate 310, then the driving mechanism 500 drives the two scraping plates 250 and the two sealing plates 240 to reciprocate once, so that the sealing plates 240 open the bottom end of the filter-pressing box 200, the scraping plates 250 scrape the impurities on the bottom surface of the filter screen plate 310, the impurities fall into the collecting box 400, the scraping plates 250 reset, the two sealing plates 240 reseal the filter-pressing box 200, after the water level in the water storage tank 100 passes through the top end of the upper sleeve 610, the sewage in the water storage tank 100 is pumped into the filter-pressing box 200 by the upper sleeve 610 and the lower sleeve 600, the spring telescopic rod 700 lifts the water storage tank 100 again, the water storage tank 100 moves upwards, the physical filtration of the sewage is realized by utilizing the gravity of the sewage in the water storage tank 100, the conveying burden of the conveying network pipe 310 is reduced, the conveying cost is reduced, the impurity concentration of the collecting box 400 is realized, and the reutilization value of the impurities is improved.
The communication port 320 has been seted up to the annular lateral wall bottom of communicating pipe 300, the annular lateral wall top of communicating pipe 300 is provided with delivery port 330, communicating pipe 300 is through delivery port 330 and water delivery network management intercommunication, liquid discharge above the filter screen plate 310 through the communication port 320, the annular lateral wall bottom of communicating pipe 300 is located the top of communication port 320 and is provided with down spacing ring 340, the annular lateral wall top of communicating pipe 300 is located the below of delivery port 330 and is provided with upper spacing ring 350, limit the decline height of filter screen plate 310 through last spacing ring 350, limit the rising height of filter screen plate 310 and communicating pipe 300 through lower spacing ring 340, avoid the communication port 320 to be shielded, the top of water tank 100 is provided with water inlet 110, upper sleeve 610 includes kink 611, the high position of kink 611 is located water inlet 110 below, make in the water tank 100 be close to full and make by upper sleeve 610 and lower sleeve 600 suction filter-pressing case 200.
The driving mechanism 500 comprises a motor 520, a gear I530 is rotationally connected with the other short outer side wall at the bottom end of the filter pressing box 200, a gear II 540 is rotationally connected with the other short outer side wall at the bottom end of the filter pressing box 200, a toothed bar I531 is rotationally connected with the lower position of the gear I530, a toothed bar II 532 is arranged below the gear I530, the right end of the toothed bar I531 is fixedly connected with one scraper 250 positioned on the right side, the left end of the toothed bar II 532 is fixedly connected with the other scraper 250 positioned on the left side, the toothed bar I531 and the toothed bar II 532 are both meshed with the gear I530, a toothed bar III 541 is arranged above the gear II 540, a toothed bar IV 542 is arranged below the gear II 540, the left end of the toothed bar III 541 is fixedly connected with one sealing plate 240 positioned on the left side, the right end of the toothed bar IV 542 is fixedly connected with the other sealing plate 240 positioned on the right side, the toothed bar III 541 and the toothed bar IV 542 are both meshed with the gear II 540, and a connecting rod 550 is fixedly connected between the right end of the toothed bar III 541 and the toothed bar I531, 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 in the water storage tank 100 passes through the bending part 611 and starts the linear motor 520 through the water level sensing module 510, the output end of the linear motor 520 is enabled to reciprocate once, when the output end of the linear motor 520 is extended, the toothed bar I531 is driven to move left, the toothed bar I531 drives the toothed bar II 532 to move right through the gear I530, the two scrapers 250 are driven to approach the middle, thereby scraping the impurities on the bottom surface of the filter screen 310, the toothed bar I531 moves left through the connecting rod 550 to drive the toothed bar III 541 to move left, the toothed bar III 541 drives the toothed bar IV 542 to move right through the gear II 540, the two sealing plates 240 are driven to deviate from the two sides to slide and open, the impurities fall into the collecting box 400, the output end of the linear motor 520 is retracted, the two scrapers 250 are driven to slide to open to the two sides, the two seal plates 240 are closed again.
The height position of the round hole II 220 is consistent with the height position of the scraping plate 250, when the filter screen plate 310 descends to the upper side of the scraping plate 250, sewage is conveniently filled between the filter screen plate 310 and the sealing plate 240, a slope is formed in one side wall of the two scraping plates 250, impurities on the bottom surface of the filter screen plate 310 are conveniently scraped by the scraping plate 250, the outer side wall of the bottom end of the filter pressing box 200 is fixedly connected with the shell 560, the linear motor 520, the gear I530 and the toothed bar I531 are protected, the inclined plate 120 is fixedly connected with the bottom end inside the water storage box 100, the discharge hole 410 is formed in one end of the top surface of the sediment residual collecting box 400 in the water storage box 100 is reduced, and impurities in the collecting box 400 are conveniently fished.
Working principle: when in use, the dispersed 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 and is 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, the filter screen plate 310 downwards extrudes liquid in the filter pressing tank 200, the filtered liquid above the filter screen plate 310 is conveyed into a water conveying net pipe by the communicating pipe 300, the filter screen plate 310 is driven to be continuously extruded downwards along with the continuous increase of the sewage accumulated in the water storage tank 100, the sewage in the filter pressing tank 200 is filtered, impurities in the sewage are compressed to the bottom of the filter pressing tank 200, the communicating pipe 300 completely discharges the liquid above the filter screen plate 310,
through the water level sensing module 510, the linear motor 520 is started before the water level in the water storage tank 100 passes over the bending part 611, when the output end of the linear motor 520 is extended, the toothed bar I531 is driven to move left, the toothed bar I531 drives the toothed bar II 532 to move right through the gear I530, the purpose of driving the two scrapers 250 to approach towards the middle is achieved, thereby scraping down impurities on the bottom surface of the filter screen plate 310, the toothed bar I531 moves left, the toothed bar III 541 is driven to move left through the connecting rod 550, the toothed bar III 541 drives the toothed bar IV 542 to move right through the gear II 540, the purpose of driving the two sealing plates 240 to deviate from and slide to open to two sides is achieved, impurities fall into the collecting box 400, the output end of the linear motor 520 is retracted, the two scrapers 250 are driven to slide to open to two sides, and the two sealing plates 240 are closed again.
After the water level in the water storage tank 100 passes over the top end of the upper sleeve 610, sewage in the water storage tank 100 is pumped into the filter pressing box 200 by the upper sleeve 610 and the lower sleeve 600, the spring telescopic rod 700 lifts the water storage tank 100 again, so that the water storage tank 100 moves upwards, the sewage in the filter pressing box 200 is filtered and compressed by utilizing 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 pipe are reduced, the delivery load of the water delivery network pipe is lightened, the delivery cost is reduced, the impurity is concentrated and decomposed by the collecting box 400, and the reutilization value of the impurities is improved.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, 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 present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 merely illustrative and explanatory of the invention, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (5)
1. The utility model provides a decentralized wastewater pretreatment device, its characterized in that, including collecting box (400), the top surface intercommunication of collecting box (400) has filter-pressing case (200), the top of filter-pressing case (200) is provided with water storage tank (100), communicating pipe (300) of upper and lower intercommunication have been linked firmly to the bottom of water storage tank (100), round hole one (210) have been seted up on the top of filter-pressing case (200), round hole two (220) have been seted up to the bottom short side lateral wall of filter-pressing case (200), round hole one (210) have been passed to the bottom of communicating pipe (300) and with round hole one (210) inner wall sliding connection, filter screen plate (310) have been linked firmly to the bottom of communicating pipe (300), the lateral wall of filter-pressing case (200) is provided with down sleeve pipe (600), one side lateral wall bottom intercommunication of water storage tank (100) has upper sleeve (610), the bottom of lower sleeve pipe (600) and round hole two (220) intercommunication, the top and upper sleeve (610) slip socket joint of lower sleeve (600), between water storage tank (100) and filter-pressing case (200) have both sides expansion link (200) constant velocity profile (230) and two side wall (230) inner wall sliding connection, the scraper blade (250) is positioned above the sealing plate (240), a driving mechanism (500) for driving the scraper blade (250) and the sealing plate (240) to slide is fixedly connected to the other short side outer side wall of the bottom end of the filter pressing box (200), sewage enters the water storage box (100) and is stored, the weight of the water storage box (100) is increased so as to overcome the elasticity of the spring telescopic rod (700) to move downwards, and after the water level in the water storage box (100) passes over the top end of the upper sleeve (610), the sewage in the water storage box (100) is pumped into the filter pressing box (200) by the upper sleeve (610) and the lower sleeve (600);
the water storage tank is characterized in that a communication port (320) is formed in the bottom end of the annular outer side wall of the communication pipe (300), a water outlet (330) is formed in the top end of the annular outer side wall of the communication pipe (300), a lower limiting ring (340) is arranged above the communication port (320) in the bottom end of the annular outer side wall of the communication pipe (300), an upper limiting ring (350) is arranged below the water outlet (330) in the top end of the annular outer side wall of the communication pipe (300), a water inlet (110) is formed in the top end of the water storage tank (100), the upper sleeve (610) comprises a bending part (611), the height of the bending part (611) is located below the water inlet (110), and a linear motor (520) is started before the water level in the water storage tank (100) passes over the bending part (611) through a water level sensing module (510), so that the output end of the linear motor (520) stretches back and forth once;
the driving mechanism (500) comprises a motor (520), a gear I (530) is rotationally connected to the other short outer side wall at the bottom end of the filter pressing box (200), a gear II (540) is rotationally connected to the other short outer side wall at the bottom end of the filter pressing box (200) and positioned below the gear I (530), a toothed bar I (531) is arranged above the gear I (530), a toothed bar II (532) is arranged below the gear I (530), the right end of the toothed bar I (531) is fixedly connected with one scraper blade (250) positioned on the right side, the left end of the toothed bar II (532) is fixedly connected with the other scraper blade (250) positioned on the left side, the toothed bar I (531) and the toothed bar II (532) are meshed with the gear I (530), a toothed bar III (541) is arranged above the gear II (540), a toothed bar IV (542) is arranged below the gear II (540), the left end of the toothed bar III (541) is fixedly connected with one sealing plate (240) positioned on the left side, the left end of the toothed bar III (541) is fixedly connected with the toothed bar III (541) and the top end of the water level III (541) is fixedly connected with the water level III (541) by the water level sensor (100), the height position of the round hole II (220) is consistent with the height position of the scraping plate (250).
2. A decentralized wastewater pretreatment device according to claim 1, characterized in that a side wall of the two scrapers (250) close to each other is provided with a slope.
3. The decentralized wastewater pretreatment device according to claim 1, wherein a housing (560) is fixedly connected to the outer sidewall of the bottom end of the filter pressing case (200).
4. The device for pretreatment of sewage according to claim 1, wherein an inclined plate (120) is fixedly connected to the bottom inside said water storage tank (100), and a discharge port (410) is provided at one end of the top surface of said collection tank (400).
5. A rural domestic sewage decentralized processing system, which is characterized by comprising a centralized processing station and a plurality of decentralized sewage pretreatment devices according to claim 1, wherein a plurality of pretreatment devices are connected with the centralized processing station through a water delivery network pipe, the pretreatment devices are used for filtering, concentrating and collecting sludge and solid impurities in domestic sewage, and the centralized processing station is used for carrying out centralized processing on the sewage.
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| 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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| 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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| CN114681982B true 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 |
|---|---|
| CN114681982A (en) | 2022-07-01 |
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