CN115253450A - Municipal sewage treatment system and municipal sewage treatment method thereof - Google Patents
Municipal sewage treatment system and municipal sewage treatment method thereof Download PDFInfo
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- CN115253450A CN115253450A CN202210940606.8A CN202210940606A CN115253450A CN 115253450 A CN115253450 A CN 115253450A CN 202210940606 A CN202210940606 A CN 202210940606A CN 115253450 A CN115253450 A CN 115253450A
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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
- B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
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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
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
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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
- B01D33/80—Accessories
- B01D33/801—Driving means, shaft packing systems or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2221/00—Applications of separation devices
- B01D2221/12—Separation devices for treating rain or storm water
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Abstract
The invention relates to the technical field of municipal sewage treatment, in particular to a municipal sewage treatment system and a municipal sewage treatment method thereof; the method comprises the following steps: a collection well; the collecting well is used for collecting sewage; a grid cover; the grid cover covers the upper end of the collecting well and is used for performing coarse filtration on sewage; a sewage pipe; the sewage pipe provides a transportation channel for collected sewage; the system for municipal sewage treatment further comprises: a driven roller; the driven roller is rotationally connected between two opposite inner walls of the collecting well; a conveyor belt; the conveying belt is in transmission connection between the two driven rollers; according to the invention, the driving assembly drives the conveyor belt to drive, and the filtering tank on the conveyor belt removes impurities from sewage and gathers the impurities to one side, so that the filtering effect and the drainage effect of the other side are ensured, and the sewage collection efficiency is not influenced while the sewage is primarily treated by the sewage collection source.
Description
Technical Field
The invention relates to the technical field of municipal sewage treatment, in particular to a municipal sewage treatment system and a municipal sewage treatment method thereof.
Background
Municipal sewage refers to wastewater produced in people's daily life, such as rainwater, bath water, toilet water, waste water and waste oil produced by cooking, and other domestic wastewater associated with people's daily life. The urban sewage treatment method can be divided into a physical treatment method, a biological treatment method, a sewage sludge treatment method and a chemical treatment method according to the water quality type; rainwater is used as one type of municipal sewage, and is generally filtered by a fence well cover, enters a rainwater collecting well, is collected along a sewer in a centralized manner, and is discharged after sewage treatment is carried out on the collected rainwater;
and in the actual rainwater collection in-process, in order to guarantee drainage effect, there is great gap on the fence well lid, so have more impurity to fall into or maliciously put into the rainwater collection well, impurity can cause the jam of rainwater collection well and sewer, influence rainwater collection efficiency, also increased the rainwater simultaneously and handled the degree of difficulty, especially the rainwater around trees collects the well jam is especially obvious.
In view of the above, in order to overcome the above technical problems, the present invention provides a municipal sewage treatment system and a municipal sewage treatment method thereof, which solve the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a municipal sewage treatment system and a municipal sewage treatment method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a municipal sewage treatment system, which comprises:
a collection well; the collecting well is used for collecting sewage; the cross section of the collecting well is square;
a grid cover; the grid cover covers the upper end of the collecting well and is used for roughly filtering sewage;
a sewage pipe; the sewage pipe provides a transport channel for collected sewage;
the municipal sewage treatment system further comprises:
a driven roller; the driven roller is rotationally connected between two opposite inner walls of the collecting well;
a conveyor belt; the conveying belt is in transmission connection between the two driven rollers;
a filter tank; the filter tank is arranged on the end face of the conveyor belt;
a drive assembly; the driving assembly is arranged below the conveying belt and used for driving the conveying belt to transmit.
Preferably, two opposite side walls in the collecting well are fixedly connected with partition plates; the separation plate divides the space of the collecting well into a treatment cavity and a storage cavity; the storage cavity is horizontally and fixedly connected with a baffle;
the part of the grid cover positioned above the storage cavity is arranged in a sealing way;
a through groove is horizontally formed in the partition plate; one end of the conveyor belt extends into the through groove;
the driving assembly comprises a rotating plate and a rotating shaft; the rotating shaft is rotatably connected between two side walls of the collecting well; the rotating plates are uniformly distributed and fixedly connected on the rotating shaft; the edge of the rotating plate can be inserted into the filter tank after rotating.
Preferably, the distance from the conveyor belt to the grid cover is increased with distance from the through slot; the baffle is provided with an overflow groove.
Preferably, the groove wall of the through groove, which is far away from the grid cover, is in contact with the lower end face of the conveyor belt.
Preferably, the driven roller is uniformly and fixedly connected with a bump; the lug can be clamped into the filter tank under the driving of the driven roller.
Preferably, the through groove is fixedly connected with an inclined plate close to the notch of the treatment cavity; the inclined plate is obliquely arranged; the inclination degree of the inclined plate is the same as that of the conveying belt; one end of the inclined plate, which is far away from the through groove, extends to the position right above the rotating shaft.
Preferably, the filter tank is arranged close to two edges of the conveyor belt; the middle part of the edge of the rotating plate is concave; the end surface of the middle part of the edge of the rotating plate is provided with a sliding chute; the sliding plate is connected in the sliding groove in a sliding manner; the sliding plate is connected with the sliding groove through a spring.
A method for municipal sewage treatment, the method being adapted for use in the municipal sewage treatment system described above, the method comprising the steps of:
s1: in rainy days, rainwater falls on the ground and then converges with impurities and sundries on the ground to form sewage, the impurities and the sundries can be driven by water flow to move to the grid cover for primary coarse filtration, the rest impurities and the sundries can fall on the conveyor belt, the sewage in the sewage pipe can drive the driving assembly to rotate, the driven assembly after rotation drives the conveyor belt to drive the driven roller, the impurities and the sundries above the conveyor belt can be driven after the conveyor belt drives the conveyor belt to move the impurities and the sundries from the treatment cavity to the storage cavity through the through grooves, finally the impurities and the sundries fall on the baffle plate to be collected, the moisture in the impurities and the sundries falling into the storage cavity can also converge and pass through the overflow groove under the action of gravity, finally the moisture falls into the sewage pipe, and a worker can regularly open the grid cover to treat the impurities and the sundries in the storage cavity;
s2: the groove wall of the through groove far away from the grid cover can scrape the lower end face of the conveying belt; the driven roller which is relatively close to the upper side can drive the convex block to be repeatedly inserted into the filtering groove on the conveyor belt in the rotating process, so that impurities clamped in the filtering groove are pushed out of the filtering groove, and finally the impurities are pushed into the storage cavity; the lugs on the driven roller which is relatively lower extrude impurities and sundries left on the inner side of the conveyor belt out of the filter tank to the lower part of the conveyor belt;
s3: after the conveying belt pours impurities into the storage cavity, water falls into a part, which is relatively lower than the conveying belt, of the conveying belt along the inclined surface of the conveying belt under the action of gravity, is filtered by the filter tank and then impacts the driving assembly; the sewage which passes through the filter tank above the inclined plate falls on the upper end of the inclined plate, flows along the inclined plate, is finally gathered on the inclined plate and flows out along one end of the inclined plate, which is far away from the through groove, and the effluent sewage impacts the inclined plate;
s4: after the sewage passes through the filter tank and moves into the sewage pipe, the primary treatment of the sewage is completed, and the sewage is concentrated and treated again after falling into the sewage pipe.
The invention has the following beneficial effects:
1. according to the invention, the driving assembly drives the conveyor belt to drive, and the filtering tank on the conveyor belt removes impurities from sewage and gathers the impurities to one side, so that the filtering effect and the drainage effect of the other side are ensured, and the sewage collection efficiency is not influenced while the sewage is primarily treated by the sewage collection source.
2. According to the invention, the conveying belt is obliquely arranged, so that the conveying belt is driven by the driving assembly to transmit from bottom to top, after impurities and sundries are poured into the storage cavity by the conveying belt, the upper part of one end of the conveying belt, which is far away from the through groove, can be always kept in a state without being blocked by the impurities and sundries, and water can fall into a relatively lower part of the conveying belt along the inclined surface of the conveying belt under the action of gravity, so that the aim of filtering and treating sewage in time is achieved.
3. The middle part of the edge of the rotating plate is recessed, so that the edge end part of the rotating plate is inserted into the filter tank to drive the conveyor belt to convey, the spring in the rotating plate can push the sliding plate out along the sliding groove after the middle part of the edge of the rotating plate is far away from the conveyor belt, the rotating plate is lengthened, and the rotating plate can be driven to rotate under the condition that the water amount in the sewage pipe is low; through setting up the filter tank and being close to both edges at the conveyer belt terminal surface for at the in-process that the slide was close to the conveyer belt at every turn, the conveyer belt can extrude the slide and retract in the spout, so the slide can not hinder the conveyer belt transmission.
Drawings
The invention is further described with reference to the following figures and embodiments.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a perspective view of the present invention in a cross-sectional view
FIG. 5 is an enlarged view at B in FIG. 4;
FIG. 6 is an enlarged view at C of FIG. 4;
FIG. 7 is a cross-sectional view of the drive assembly of the present invention;
FIG. 8 is an enlarged view at D of FIG. 7;
FIG. 9 is an enlarged view at E in FIG. 7;
FIG. 10 is a flow chart of the present invention;
in the figure: the device comprises a collecting well 1, a treatment cavity 11, a storage cavity 12, a baffle 13, an overflow groove 131, a grid cover 2, a sewage pipe 3, a driven roller 4, a bump 41, a conveyor belt 5, a filter tank 51, a driving assembly 6, a rotating plate 61, a sliding groove 611, a sliding plate 612, a spring 613, a rotating shaft 62, a partition plate 7, a through groove 71 and an inclined plate 8.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 10, a municipal sewage treatment system according to the present invention comprises:
a collection well 1; the collecting well 1 is used for collecting sewage; the cross section of the collecting well 1 is square;
a grid cover 2; the grid cover 2 covers the upper end of the collecting well 1 and is used for performing coarse filtration on sewage;
a sewage pipe 3; the sewage pipe 3 provides a transportation channel for the collected sewage;
the system for municipal sewage treatment further comprises:
a driven roller 4; the driven roller 4 is rotatably connected between two opposite inner walls of the collecting well 1;
a conveyor belt 5; the conveying belt 5 is in transmission connection between the two driven rollers 4;
a filter tank 51; the filter tank 51 is arranged on the end face of the conveyor belt 5;
a drive assembly 6; the driving assembly 6 is arranged below the conveyor belt 5 and is used for driving the conveyor belt 5 to transmit;
when the rainwater collecting device works, in the actual rainwater collecting process, in order to ensure the drainage effect, a large gap is formed in the fence well cover, so that more impurities fall into or are maliciously placed into the rainwater collecting well 1, the impurities can cause the blockage of the rainwater collecting well 1 and a sewer, the rainwater collecting efficiency is influenced, the rainwater treatment difficulty is increased, and the blockage of the rainwater collecting well 1 around trees is particularly obvious;
therefore, in rainy days, rainwater falls on the ground and then converges with impurities and sundries such as garbage on the ground to form sewage, for example, plant garbage such as leaves and branches, and domestic garbage such as barbecue sticks and plastic bags, the impurities and sundries can be driven by water flow to move to the grid cover 2 for primary coarse filtration, the rest impurities and sundries can fall on the conveyor belt 5 and are filtered again through the filter tank 51, and the sewage can pass through the filter tank 51 and move into the sewage pipe 3, in the process, in order to ensure that the filter tank 51 is not blocked and the filtering effect is not influenced, the drive component 6 drives the conveyor belt 5 to transmit on the driven roller 4, the impurities and sundries above the conveyor belt 5 are driven after the transmission of the conveyor belt 5 and then converge to one side, so that the other side can continue to filter, the primary treatment of the sewage is completed, and the sewage falls into the sewage pipe 3 and then is concentrated for secondary treatment;
according to the invention, the driving assembly 6 drives the conveyor belt 5 to drive, and the filter tank 51 on the conveyor belt 5 removes impurities from sewage and gathers the impurities to one side, so that the filtering effect and the drainage effect of the other side are ensured, and the sewage collection efficiency is not influenced while the sewage is primarily treated by the sewage collection source.
As an embodiment of the present invention, two opposite side walls in the collecting well 1 are fixedly connected with a partition plate 7; the separation plate 7 divides the space of the collecting well 1 into a treatment cavity 11 and a storage cavity 12; a baffle 13 is horizontally and fixedly connected in the storage cavity 12;
the part of the grid cover 2 above the storage cavity 12 is arranged in a sealing way;
a through groove 71 is horizontally formed in the partition plate 7; one end of the conveyor belt 5 extends into the through groove 71;
the driving assembly 6 comprises a rotating plate 61 and a rotating shaft 62; the rotating shaft 62 is rotatably connected between two side walls of the collecting well 1; the rotating plates 61 are uniformly distributed and fixedly connected on the rotating shaft 62; the edge of the rotating plate 61 can be inserted into the filter tank 51 after rotating;
during operation, sewage falls into the sewage pipe 3 after being collected by the collecting well 1, the rotating plate 61 is pushed to rotate in the flowing process of the sewage in the sewage pipe 3, the rotating plate 61 rotates around the rotating shaft 62, the rotating plate 61 rotates to drive the conveying belt 5 to rotate around the driven roller 4 through the filtering groove 51, the conveying belt 5 drives impurity impurities filtered at the upper end after transmission, so that the impurity impurities move into the storage cavity 12 from the treatment cavity 11 through the through groove 71, finally fall onto the baffle 13 to complete the collection of the impurity impurities, the sewage is primarily filtered and is cleaner compared with the prior art, the conveying belt 5 under transmission can pour away garbage, the filtering groove 51 on the conveying belt 5 is prevented from being blocked by the impurities to influence the sewage collection efficiency, and a worker can regularly open the grid cover 2 to treat the impurity impurities in the storage cavity 12; the filter tank 51 can be dredged in the process that the edge of the rotating plate 61 is inserted into the filter tank 51 each time; the larger the rainfall, i.e. the larger the sewage flow velocity of the sewage pipe 3, means the larger the velocity at which the conveyor belt 5 is driven, so that a corresponding adjustment is achieved according to the rainfall.
As an embodiment of the present invention, the distance from the conveyor belt 5 to the grille cover 2 is increased as being away from the through-groove 71; the baffle 13 is provided with an overflow groove 131; when the device works, the conveying belt 5 is obliquely arranged, so that the conveying belt 5 is driven by the driving assembly 6 to transmit from bottom to top, after the conveying belt 5 pours impurity sundries into the storage cavity 12, the upper part of one end, far away from the through groove 71, of the conveying belt 5 can always keep a state without being blocked by the impurity sundries, water can fall into a relatively lower part of the conveying belt 5 along the inclined surface of the conveying belt 5 under the action of gravity, the aim of filtering and treating sewage in time is fulfilled, moisture in the impurity sundries falling into the storage cavity 12 can also be gathered and pass through the overflow groove 131 under the action of gravity, and finally the moisture drops into the sewage pipe 3, and the impurity sundries in the storage cavity 12 are guaranteed to be dry; the rainwater of the inclined conveyor belt 5 is collected to the position, far away from the through groove 71, of the conveyor belt 5 for filtration, and the filtered sewage impacts the lower rotating plate 61 under the action of gravity, so that the gravitational potential energy is converted into kinetic energy, the driving assembly 6 obtains the kinetic energy and then rotates at an accelerated speed, the driving assembly 6 after rotating at an accelerated speed drives the conveyor belt 5 to convey at an accelerated speed, and the filtration effect is enhanced; the sewage can also clean impurities on the rotating plate 61 when the sewage impacts on the rotating plate 61.
As an embodiment of the present invention, the groove wall of the through groove 71 away from the grid cover 2 contacts the lower end surface of the conveyor belt 5; during operation, after the conveyer belt 5 pours impurity sundries into the storage chamber 12, the groove wall of the through groove 71 far away from the grid cover 2 scrapes the lower end face of the conveyer belt 5, so that the surface of the conveyer belt 5 is cleaned, and the impurity sundries on the conveyer belt 5 can be collected in the storage chamber 12.
As an embodiment of the present invention, the driven roller 4 is fixedly connected with the bumps 41; the lug 41 can be clamped into the filter tank 51 under the driving of the driven roller 4; when the device works, the driven roller 4 is driven to repeatedly insert into the filter tank 51 on the conveyor belt 5 in the rotating process, so that the driven roller 4 and the conveyor belt 5 are prevented from slipping on one hand, and the filter tank 51 is dredged on the other hand, the impurity impurities clamped in the filter tank 51 can be pushed out of the filter tank 51 by the aid of the convex block 41 on the driven roller 4 in the storage cavity 12, and finally the impurity impurities are pushed into the storage cavity 12; impurity sundries can be clamped into the inner side of the conveyor belt 5 after being filtered by the filter tank 51 and finally close to the driven roller 4 in the treatment chamber 11 under the action of gravity, and the lug 41 on the driven roller 4 in the treatment chamber 11 can extrude the residual impurity sundries in the inner side of the conveyor belt 5 out of the filter tank 51 to the lower side of the conveyor belt 5, so that the influence of the residual impurity sundries in the inner side of the conveyor belt 5 on the filtering effect of the filter tank 51 on the conveyor belt 5 is prevented.
As an embodiment of the present invention, the through groove 71 is fixedly connected with the inclined plate 8 near the notch of the processing cavity 11; the inclined plate 8 is obliquely arranged; the inclination degree of the inclined plate 8 is the same as that of the conveyor belt 5; one end of the inclined plate 8, which is far away from the through groove 71, extends to a position right above the rotating shaft 62; during operation, sewage passing through the filter tank 51 above the inclined plate 8 falls on the upper end of the inclined plate 8 and flows along the inclined plate 8, and finally the sewage is gathered on the inclined plate 8 and flows out along one end of the inclined plate 8, which is far away from the through groove 71, and the flowing sewage impacts the rotating plate 61, so that the rotating plate 61 obtains kinetic energy under impact, and simultaneously impurities attached to the rotating plate 61 can be washed, the rotating plate 61 can rotate at an accelerated speed due to the kinetic energy, the driving assembly 6 after the rotation at an accelerated speed drives the conveyor belt 5 to rotate at an accelerated speed, and the sewage treatment efficiency is further improved; the swash plate 8 is designed to prevent the drive unit 6 from reversing, which would cause the belt 5 to reverse.
As an embodiment of the present invention, the filter tank 51 is disposed near both edges of the conveyor belt 5; the middle part of the edge of the rotating plate 61 is concave; the middle end face of the edge of the rotating plate 61 is provided with a sliding groove 611; a sliding plate 612 is slidably connected in the sliding groove 611; the sliding plate 612 is connected with the sliding groove 611 through a spring 613; when the device works, the middle part of the edge of the rotating plate 61 is inwards concave, so that the end part of the edge of the rotating plate 61 is inserted into the filter tank 51 to drive the conveyor belt 5 to convey, and after the middle part of the edge of the rotating plate 61 is far away from the conveyor belt 5, the inner spring 613 can push the sliding plate 612 out along the sliding groove 611 to lengthen the rotating plate 61, so that the rotating plate 61 can be driven to rotate under the condition that the water content in the sewage pipe 3 is low after the rotation; by arranging the filter tank 51 on the end surface of the conveyor belt 5 near both edges, the conveyor belt 5 presses the slide plate 612 to retract into the slide groove 611 each time the slide plate 612 approaches the conveyor belt 5, so that the slide plate 612 does not obstruct the transmission of the conveyor belt 5.
A method for municipal sewage treatment, the method being adapted for use in the municipal sewage treatment system described above, the method comprising the steps of:
s1: in rainy days, rainwater falls on the ground and then converges with impurities and sundries on the ground to form sewage, the impurities and sundries can be driven by water flow to move to the grid cover 2 for primary coarse filtration, the rest impurities and sundries can fall on the conveyor belt 5, the sewage in the sewage pipe 3 can drive the driving assembly 6 to rotate, the driven assembly 6 after rotation drives the conveyor belt 5 to drive the impurities and sundries above the conveyor belt 5, so that the impurities and sundries pass through the through groove 71 from the treatment cavity 11 and move into the storage cavity 12, finally fall onto the baffle 13 to complete the collection of the impurities and sundries, the moisture in the impurities and sundries falling into the storage cavity 12 can also converge through the overflow groove 131 under the action of gravity, finally fall into the sewage pipe 3, and a worker can regularly open the grid cover 2 to treat the impurities and sundries in the storage cavity 12;
s2: the groove wall of the through groove 71 far away from the grid cover 2 scrapes the lower end surface of the conveyor belt 5; the driven roller 4 which is relatively close to the upper part can drive the convex block 41 to be repeatedly inserted into the filtering groove 51 on the conveyor belt 5 in the rotating process, so that impurities clamped in the filtering groove 51 are pushed out of the filtering groove 51, and finally the impurities are pushed into the storage cavity 12; the lug 41 on the driven roller 4 which is relatively lower extrudes the impurity impurities left on the inner side of the conveyor belt 5 out of the filter tank 51 to the lower part of the conveyor belt 5;
s3: after the conveyor belt 5 pours impurities into the storage cavity 12, water falls into a relatively lower part of the conveyor belt 5 along the inclined surface of the conveyor belt 5 under the action of gravity, is filtered by the filter tank 51 and then impacts the driving assembly 6; the sewage passing through the filter tank 51 above the inclined plate 8 falls on the upper end of the inclined plate 8, flows along the inclined plate 8, is finally gathered on the inclined plate 8 and flows out along one end of the inclined plate 8 far away from the through groove 71, and the flowing sewage impacts the rotating plate 61;
s4: after the sewage passes through the filter tank 51 and moves into the sewage pipe 3, the sewage is primarily treated, and the sewage is concentrated and treated again after falling into the sewage pipe 3.
The specific working process is as follows:
in rainy days, rainwater falls on the ground and then converges with impurities and sundries such as garbage on the ground to form sewage, for example, plant garbage such as leaves and branches, and domestic garbage such as barbecue sticks and plastic bags, the impurities and sundries can be driven by water flow to move to the grid cover 2 for primary coarse filtration, the rest impurities and sundries can fall on the conveyor belt 5 and are filtered again through the filter tank 51, the sewage can pass through the filter tank 51 and move into the sewage pipe 3, in the process, the drive component 6 drives the conveyor belt 5 to transmit on the driven roller 4, the impurities and sundries above the conveyor belt 5 can be driven after the transmission of the conveyor belt 5, so that the impurities and sundries converge to one side, the other side can be filtered continuously, the primary treatment of the sewage is completed, and the sewage is concentrated and treated again after falling into the sewage pipe 3;
the sewage is collected by the collecting well 1 and then falls into the sewage pipe 3, the rotating plate 61 is pushed to rotate in the flowing process of the sewage in the sewage pipe 3, the rotating plate 61 rotates around the rotating shaft 62, the rotating plate 61 rotates and drives the conveyor belt 5 to rotate around the driven roller 4 through the filter tank 51, the impurity impurities filtered at the upper end can be driven after the conveyor belt 5 is driven, the impurity impurities move from the treatment cavity 11 to the storage cavity 12 through the through groove 71, finally the impurity impurities fall onto the baffle 13 to be collected, the conveyed conveyor belt 5 can pour the garbage away, the filter tank 51 on the conveyor belt 5 is prevented from being blocked by the impurities to influence the sewage collecting efficiency, and a worker can open the grid cover 2 regularly to treat the impurity impurities in the storage cavity 12; the conveying belt 5 is obliquely arranged, so that the conveying belt 5 is driven by the driving assembly 6 to transmit from bottom to top, after the conveying belt 5 pours impurity impurities into the storage cavity 12, the upper part of one end, far away from the through groove 71, of the conveying belt 5 can always keep a state without being blocked by the impurity impurities, water can fall into a relatively lower part of the conveying belt 5 along the inclined surface of the conveying belt 5 under the action of gravity, moisture in the impurity impurities falling into the storage cavity 12 can also be gathered and pass through the overflow groove 131 under the action of gravity, and finally the moisture drops into the sewage pipe 3, and the impurity impurities in the storage cavity 12 are guaranteed to be dry; the rainwater of the inclined conveyor belt 5 is collected to the position, far away from the through groove 71, of the conveyor belt 5 for filtration, and the filtered sewage impacts the lower rotating plate 61 under the action of gravity, so that the gravitational potential energy is converted into kinetic energy, and the driving assembly 6 is accelerated to rotate after obtaining the kinetic energy; the sewage can impact the rotating plate 61 and can clean impurities on the rotating plate 61;
after the conveyor belt 5 pours the impurities into the storage cavity 12, the groove wall of the through groove 71 far away from the grid cover 2 scrapes the lower end face of the conveyor belt 5; the driven roller 4 can drive the convex block 41 to be repeatedly inserted into the filter tank 51 on the conveyor belt 5 in the rotating process, the convex block 41 on the driven roller 4 in the storage cavity 12 can push the impurity and sundries clamped in the filter tank 51 out of the filter tank 51, and finally the impurity and sundries are pushed into the storage cavity 12; impurities and sundries are filtered by the filter tank 51 and then clamped into the inner side of the conveyor belt 5, and finally the impurities and the sundries are close to and attached to the driven roller 4 in the treatment cavity 11 under the action of gravity, and the impurities and the sundries left on the inner side of the conveyor belt 5 are extruded out of the filter tank 51 to the lower part of the conveyor belt 5 by the convex blocks 41 on the driven roller 4 in the treatment cavity 11; the sewage passing through the filter tank 51 above the inclined plate 8 falls on the upper end of the inclined plate 8 and flows along the inclined plate 8, and finally is gathered on the inclined plate 8 and flows out along one end of the inclined plate 8 far away from the through groove 71, the flowing sewage impacts the rotating plate 61, meanwhile, impurities attached to the rotating plate 61 can be washed, the rotating plate 61 can rotate at an accelerated speed due to kinetic energy, and the driving assembly 6 after accelerated rotation drives the conveyor belt 5 to rotate at an accelerated speed; the middle part of the edge of the rotating plate 61 is concaved inwards, so that the end part of the edge of the rotating plate 61 is inserted into the filter tank 51 to drive the conveyor belt 5 to convey, and after the middle part of the edge of the rotating plate 61 is far away from the conveyor belt 5, the inner spring 613 can push the sliding plate 612 out along the sliding groove 611 to lengthen the rotating plate 61, and the lengthened rotating plate 61 can also drive the rotating plate 61 to rotate under the condition that the water amount in the sewage pipe 3 is low; by arranging the filter tank 51 at the end face of the conveyor belt 5 near both edges, the conveyor belt 5 will press the sliding plate 612 to retract into the sliding groove 611 each time the sliding plate 612 approaches the conveyor belt 5, and the sliding plate 612 will not obstruct the transmission of the conveyor belt 5.
In the description of the present invention, it is to be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred devices or elements must have specific orientations, be constructed and operated in specific orientations, and thus, are not to be construed as limiting the scope of the present invention, and furthermore, the terms "first", "second", "third", etc. are only used for distinguishing the description, and are not to indicate or imply relative importance.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A municipal sewage treatment system comprising:
a collection well (1); the collecting well (1) is used for collecting sewage;
a grid cover (2); the grid cover (2) covers the upper end of the collecting well (1) and is used for performing coarse filtration on sewage;
a sewer pipe (3); the sewage pipe (3) provides a transportation channel for the collected sewage;
the method is characterized in that: the municipal sewage treatment system further comprises:
a driven roller (4); the driven roller (4) is rotationally connected between two opposite inner walls of the collecting well (1);
a conveyor belt (5); the conveying belt (5) is in transmission connection between the two driven rollers (4);
a filtration tank (51); the filter tank (51) is arranged on the end face of the conveyor belt (5);
a drive assembly (6); the driving assembly (6) is arranged below the conveyor belt (5) and used for driving the conveyor belt (5) to transmit.
2. A system for municipal sewage treatment according to claim 1, wherein:
two opposite side walls in the collecting well (1) are fixedly connected with partition plates (7); the separation plate (7) divides the space of the collecting well (1) into a treatment cavity (11) and a storage cavity (12); a baffle (13) is horizontally and fixedly connected in the storage cavity (12);
the part of the grid cover (2) above the storage cavity (12) is arranged in a sealing way;
a through groove (71) is horizontally formed in the partition plate (7); one end of the conveyor belt (5) extends into the through groove (71);
the driving assembly (6) comprises a rotating plate (61) and a rotating shaft (62); the rotating shaft (62) is rotatably connected between two side walls of the collecting well (1); the rotating plates (61) are uniformly distributed and fixedly connected on the rotating shaft (62); the edge of the rotating plate (61) can be inserted into the filter tank (51) after rotating.
3. A system for municipal sewage treatment according to claim 2, wherein: the distance from the conveyor belt (5) to the grid cover (2) is increased with the distance from the through groove (71); the baffle (13) is provided with an overflow groove (131).
4. A system for municipal sewage treatment according to claim 2, wherein: the groove wall of the through groove (71) far away from the grid cover (2) is in contact with the lower end face of the conveyor belt (5).
5. A system for municipal sewage treatment according to claim 2, wherein: the driven roller (4) is uniformly and fixedly connected with a bump (41); the projection (41) can be clamped into the filter tank (51) under the drive of the driven roller (4).
6. A system for municipal sewage treatment according to claim 3, wherein: the through groove (71) is close to the notch of the treatment cavity (11) and is fixedly connected with the inclined plate (8); the inclined plate (8) is obliquely arranged; the inclination degree of the inclined plate (8) is the same as that of the conveyor belt (5); one end of the inclined plate (8) far away from the through groove (71) extends to the position right above the rotating shaft (62).
7. A system for municipal sewage treatment according to claim 2, wherein: the filter tank (51) is arranged close to two edges of the conveyor belt (5); the middle part of the edge of the rotating plate (61) is concave; a sliding groove (611) is formed in the end face of the middle of the edge of the rotating plate (61); the sliding groove (611) is connected with a sliding plate (612) in a sliding way; the sliding plate (612) is connected with the sliding groove (611) through a spring (613).
8. A method for municipal sewage treatment, which is applied to the municipal sewage treatment system according to any one of claims 1 to 7, wherein: the method comprises the following steps:
s1: in rainy days, rainwater falls on the ground and then converges with impurities and sundries on the ground to form sewage, the impurities and sundries can be driven by water flow to move to the grid cover (2) for primary coarse filtration, the rest impurities and sundries can fall on the conveyor belt (5), the sewage in the sewage pipe (3) can drive the driving assembly (6) to rotate, the driven assembly (6) after rotation drives the conveyor belt (5) to transmit on the driven roller (4), the conveyor belt (5) can drive the impurities and sundries above the conveyor belt (5) after transmission, so that the impurities and sundries pass through the through groove (71) from the treatment cavity (11) and move to the storage cavity (12), finally fall onto the baffle (13) to complete the collection of the impurities and sundries, the moisture in the impurities and sundries falling into the storage cavity (12) can also converge and pass through the overflow groove (131) under the action of gravity, and finally fall into the sewage pipe (3), and workers can regularly open the grid cover (2) to treat the impurities and sundries in the storage cavity (12);
s2: the groove wall of the through groove (71) far away from the grid cover (2) can scrape the lower end surface of the conveyor belt (5); the driven roller (4) which is relatively close to the upper part can drive the convex block (41) to be repeatedly inserted into the filter tank (51) on the conveyor belt (5) in the rotating process, so that the impurities and sundries clamped in the filter tank (51) are pushed out of the filter tank (51), and finally the impurities and sundries are pushed into the storage cavity (12); the bump (41) on the driven roller (4) which is relatively lower can extrude impurities and sundries left on the inner side of the conveyor belt (5) out of the filter tank (51) to the lower part of the conveyor belt (5);
s3: after impurities and impurities are poured into the storage cavity (12) by the conveyor belt (5), water falls into a relatively lower part of the conveyor belt (5) along an inclined plane of the conveyor belt (5) under the action of gravity, is filtered by the filter tank (51), and then impacts the driving assembly (6); the sewage passing through the filter tank (51) above the inclined plate (8) falls on the upper end of the inclined plate (8), flows along the inclined plate (8), and finally gathers on the inclined plate (8) and flows out along one end of the inclined plate (8) far away from the through groove (71), and the flowing-out sewage impacts the rotating plate (61);
s4: after the sewage passes through the filter tank (51) and moves into the sewage pipe (3), the primary treatment of the sewage is completed, and the sewage is concentrated and treated again after falling into the sewage pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210940606.8A CN115253450A (en) | 2022-08-06 | 2022-08-06 | Municipal sewage treatment system and municipal sewage treatment method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210940606.8A CN115253450A (en) | 2022-08-06 | 2022-08-06 | Municipal sewage treatment system and municipal sewage treatment method thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210940606.8A Pending CN115253450A (en) | 2022-08-06 | 2022-08-06 | Municipal sewage treatment system and municipal sewage treatment method thereof |
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