CN216855821U - Solid-liquid separation device for sewage treatment - Google Patents
Solid-liquid separation device for sewage treatment Download PDFInfo
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- CN216855821U CN216855821U CN202220306973.8U CN202220306973U CN216855821U CN 216855821 U CN216855821 U CN 216855821U CN 202220306973 U CN202220306973 U CN 202220306973U CN 216855821 U CN216855821 U CN 216855821U
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Abstract
The utility model discloses a solid-liquid separation device for sewage treatment, which comprises a plurality of screening cylinders which are arranged in a sewage tank at equal intervals and can collect partial solids in sewage, wherein a plurality of mounting holes are formed in the lower end of the cylinder wall of each screening cylinder at equal intervals in the circumferential direction, a one-way screening plate is arranged in each mounting hole, liquid in the sewage tank can enter the screening cylinders through the one-way screening plates, and sewage in the screening cylinders cannot enter the sewage tank through the one-way screening plates; the lower ends of all the screening cylinders are hermetically connected with a liquid outlet pipe network, and the upper ends of all the screening cylinders are hermetically connected with an air guide pipe network capable of generating positive pressure and negative pressure. The utility model has the advantages of convenient cleaning and simple operation, can realize solid-liquid separation by positive and negative pressure, accelerates the solid-liquid separation speed and improves the working efficiency.
Description
Technical Field
The utility model relates to the technical field of sewage treatment equipment, in particular to a solid-liquid separation device for sewage treatment.
Background
In people's daily life and industrial production, the consumption of water resource is very huge, and the sewage after directly will utilizing discharges in nature, can seriously harm the environment, pollutes the water, so need handle sewage before discharging sewage, reduces the destruction to the environment. The existing sewage treatment device has low working efficiency in the solid-liquid separation link, slow solid-liquid separation speed and long period, and a filter screen in the solid-liquid separation device is easy to block, is inconvenient to clean and has high maintenance cost.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical defects, the utility model aims to provide the solid-liquid separation device for sewage treatment, which is convenient to clean and simple to operate, can realize solid-liquid separation by positive and negative pressure, accelerates the solid-liquid separation speed and improves the working efficiency.
In order to solve the technical problems, the utility model adopts the following technical scheme.
The utility model provides a solid-liquid separation device for sewage treatment, which comprises a plurality of screening cylinders which are arranged in a sewage tank at equal intervals and can collect partial solids in sewage, wherein a plurality of mounting holes are formed in the lower end of the cylinder wall of each screening cylinder at equal intervals in the circumferential direction, a one-way screening plate is arranged in each mounting hole, liquid in the sewage tank can enter the screening cylinders through the one-way screening plates, and sewage in the screening cylinders cannot enter the sewage tank through the one-way screening plates;
the lower ends of all the screening cylinders are connected with a liquid outlet pipe network, and the upper ends of all the screening cylinders are connected with an air guide pipe network capable of generating positive pressure and negative pressure;
a fine screen is arranged in the screening cylinder and arranged between the one-way screening plate and the liquid outlet pipe network.
Preferably, the one-way screening plate comprises a fixed frame arranged along the axial direction of the screening cylinder, a plurality of partition plates arranged in parallel to the radial direction of the screening cylinder are arranged in the fixed frame, and the plurality of partition plates are arranged in the fixed frame at equal intervals; the two sides of each partition plate are symmetrically provided with movable plates respectively, one ends, far away from the axis of the screening cylinder, of the movable plates are hinged to the side walls of the partition plates, one ends, close to the axis of the screening cylinder, of the movable plates are connected to the side walls of the partition plates hinged to the movable plates through springs, and the two movable plates between every two adjacent partition plates are in contact and mutually extruded under the action of the springs.
Preferably, the outer wall of the movable plate is coated with a waterproof layer.
Preferably, the screening cylinder further comprises a connecting cover hinged to the lower end of the cylinder wall of the screening cylinder, the liquid outlet pipe network is connected with the lower end of the connecting cover, and the fine screen is detachably arranged in the connecting cover; and a sealing ring is arranged at the upper end of the connecting cover.
Preferably, a one-way valve for preventing liquid from flowing backwards is further installed on a pipeline, connected with the connecting cover, of the liquid outlet pipe network.
Preferably, the air duct network includes the negative pressure air duct of being connected with vacuum pump and the malleation air duct that communicates with compressed air, install first valve on the negative pressure air duct, install the second valve on the malleation air duct, each screening section of thick bamboo top all is linked together with negative pressure air duct, malleation air duct.
The solid-liquid separation device for sewage treatment has the beneficial effects that:
1. the utility model generates positive pressure or negative pressure to the interior of the screening cylinder through the air duct network; sewage is sucked into the screening cylinder and filtered by the fine screen, so that most solid particles are collected in the screening cylinder, and positive pressure and negative pressure are alternately applied to the inside of the screening cylinder, so that the solid-liquid separation speed is accelerated, and the working efficiency is greatly improved;
2. according to the utility model, the collected solids can be cleaned by opening the connecting cover, and the fine screen can be taken out to clean the solids, so that the operation is simple, time and labor are saved, and the reduction of the working efficiency caused by the blockage of the fine screen is effectively avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a front view of the sizing barrel;
FIG. 3 is a cross-sectional view of a sizing drum;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a cross-sectional view of the one-way sifting plate with the sifting cylinder in a water-absorbing state.
Description of reference numerals:
1. the sewage tank comprises a sewage tank body, 2, a screening cylinder, 3, a one-way screening plate, 4, a fixing frame, 5, a partition plate, 6, a movable plate, 7, a spring, 8, a channel, 9, a liquid inlet pipe, 10, a liquid outlet pipe network, 11, a connecting cover, 12, a one-way valve, 13, a fine screen, 14, an air guide pipe network, 15, a negative pressure air guide pipe, 16, a positive pressure air guide pipe, 17, a first valve, 18 and a second valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
The embodiment is as follows:
as shown in fig. 1 to 5, the utility model provides a solid-liquid separation device for sewage treatment, which comprises a plurality of screening cylinders 2 arranged in a sewage pool 1 at equal intervals, wherein a plurality of mounting holes are circumferentially formed at the lower end of the cylinder wall of each screening cylinder 2 at equal intervals, a one-way screening plate 3 is arranged in each mounting hole, and the screening cylinders 2 can collect partial solid impurities in sewage through the one-way screening plates 3;
specifically, the method comprises the following steps:
the one-way screening plate 3 comprises a fixing frame 4 arranged along the axial direction of the screening cylinder 2, the fixing frame 4 penetrates through the cylinder wall of the screening cylinder 2, a plurality of partition plates 5 arranged in parallel to the radial direction of the screening cylinder 2 are arranged in the fixing frame 4, and the plurality of partition plates 5 are arranged in the fixing frame 4 at equal intervals; two sides of each partition plate 5 are symmetrically hinged with a movable plate 6 respectively, one end of each movable plate 6, which is far away from the axis of the sieving cylinder 2, is hinged on the side wall of each partition plate 5, one end of each movable plate 6, which is close to the axis of the sieving cylinder 2, is connected to the side wall of the partition plate 5, which is hinged with the corresponding movable plate 6, through a spring 7, and the movable ends of the two movable plates 6 between two adjacent partition plates 5 are contacted and mutually extruded under the action of the spring 7; wherein, the gap between the two movable plates 6 between the two adjacent partition plates 5 is a passage 8 for sewage to enter the screening cylinder 2 from the outside of the screening cylinder 2;
wherein, the upper port of the sewage pool 1 is connected with a liquid inlet pipe 9, and the lower end of the sieving cylinder 2 is connected with a liquid outlet pipe network 10; the upper ends of all the screening cylinders 2 are connected with the air duct network 14, and the air duct network 14 can generate positive pressure and negative pressure so as to be beneficial to improving the filtering efficiency of the screening cylinders 2.
It should be noted that the sewage after the preliminary filtration is connected to the one end that the effluent water sump 1 was kept away from to feed liquor pipe 9 for the sewage that enters effluent water sump 1 has been sieved bulky impurity, for example plastic bag, the wooden stick of great volume, billet etc. to avoid influencing the normal work of screening section of thick bamboo 2.
In order to facilitate cleaning of solids collected in the screening cylinder 2, the lower end of the cylinder wall of the screening cylinder 2 is hinged with a connecting cover 11, wherein a liquid outlet pipe network 10 is hermetically connected with the connecting cover 11, the connecting cover 11 is fixed at the lower end of the cylinder wall of the screening cylinder 2 through a bolt, and a sealing ring is arranged at the upper end of the connecting cover 11, so that the connecting cover 11 can be hermetically connected with the lower end of the cylinder wall of the screening cylinder 2.
In order to prevent the liquid of the liquid outlet pipe network 10 from flowing backwards into the screening cylinder 2, a one-way valve 12 is further mounted on a pipeline connecting the liquid outlet pipe network 10 and the connecting cover 11;
wherein, the liquid in the screening cylinder 2 enters the liquid outlet pipe network 10 through the one-way valve 12, and the liquid in the liquid outlet pipe network 10 can not enter the screening cylinder 2 through the one-way valve 12.
In order to filter the sewage before the sewage in the screening cylinder 2 flows into the liquid outlet pipe network 10, the connecting cover 11 is provided with a fine screen 13, the material of the fine screen 13 is stainless steel, and the screen holes of the fine screen 13 are fine, so that most of solid impurities can be filtered.
The fine screen 13 is detachable, so that the fine screen 13 can be conveniently taken out to be cleaned, and the reduction of the working efficiency caused by the blockage of the fine screen 13 is avoided; in the scheme, the diameter of the fine screen 13 is equal to the inner diameter of the connecting cover 11, the rubber layer is wrapped on the periphery of the fine screen 13, and the fine screen 13 is directly placed in the connecting cover 11 so that the fine screen 13 is in close contact with the inner wall of the connecting cover 11.
In order to enable the interior of the screening cylinder 2 to generate positive pressure or negative pressure, the air duct network 14 comprises a negative pressure air duct 15 connected with a vacuum pump and a positive pressure air duct 16 communicated with compressed air, a first valve 17 is arranged on the negative pressure air duct 15, a second valve 18 is arranged on the positive pressure air duct 16, and the tops of all the screening cylinders 2 are hermetically communicated with the negative pressure air duct 15 and the positive pressure air duct 16;
specifically, the method comprises the following steps:
when the second valve 18 is closed and the first valve 17 is opened, the vacuum pump is opened, the pressure in the sieving cylinder 2 is negative pressure, under the action of the negative pressure, the movable plate 6 overcomes the elasticity of the spring 7, the movable plate 6 rotates, the channel 8 is opened, and the liquid in the sewage pool 1 enters the sieving cylinder 2; when the second valve 18 is opened and the first valve 17 is closed, the pressure in the screening cylinder 2 is positive pressure, the two movable plates 6 between the two adjacent partition plates 5 are tightly closed, the sewage in the screening cylinder 2 cannot enter the sewage pool 1 through the channel 8, and the sewage in the screening cylinder 2 flows into the liquid outlet pipe network 10 after being filtered by the fine screen 13;
wherein, in order to improve the leakproofness of fly leaf 6, the outer wall cladding of fly leaf 6 has the waterproof layer, the material of waterproof layer is rubber.
Before use, the first valve 17 and the second valve 18 are kept in a closed state.
When the device is used specifically, a user opens the valve of the liquid inlet pipe 9, sewage flows into the sewage tank 1 through the liquid inlet pipe 9, after the sewage tank 1 bears a sufficient amount of sewage, the user opens the vacuum pump, opens the first valve 17, the vacuum pump is communicated with the sieving cylinder 2, the pressure in the sieving cylinder 2 is negative pressure, as shown in fig. 5, under the action of the negative pressure, the movable plates 6 overcome the elastic force of the springs 7, the movable plates 6 rotate, the channels 8 (gaps between two adjacent movable plates 6) are opened, and liquid in the sewage tank 1 enters the sieving cylinder 2 through the channels 8;
after certain sewage is loaded into the screening cylinder 2, a user opens the second valve 18 after closing the first valve 17, the compressed air is communicated with the screening cylinder 2, the pressure in the screening cylinder 2 is changed from negative pressure to positive pressure, as shown in fig. 4, the two movable plates 6 between the two adjacent partition plates 5 are tightly closed, the sewage in the screening cylinder 2 cannot enter the sewage tank 1 through the channel 8, the sewage in the screening cylinder 2 flows into the liquid outlet pipe network 10 after being filtered by the fine screen 13, and solid impurities are collected in the screening cylinder 2.
During the clearance, the user opens the bolt on connecting lid 11 through the instrument, opens connecting lid 11, the solid in the clearance screening section of thick bamboo 2, and the back of finishing is cleared up, and the user takes out fine mesh screen 13 from connecting in the lid 11 and cleans, puts back after the cleanness and connects in lid 11, covers and fixed connection lid 11 to wait to use next time.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. A solid-liquid separation device for sewage treatment is characterized by comprising a plurality of screening cylinders (2) which are arranged in a sewage pool (1) at equal intervals and can collect partial solids in sewage, a plurality of mounting holes are circumferentially formed in the lower end of the cylinder wall of each screening cylinder (2) at equal intervals, a one-way screening plate (3) is arranged in each mounting hole, liquid in the sewage pool (1) can enter the screening cylinders (2) through the one-way screening plates (3), and sewage in the screening cylinders (2) cannot enter the sewage pool (1) through the one-way screening plates (3);
the lower ends of all the screening cylinders (2) are connected with a liquid outlet pipe network (10), and the upper ends of all the screening cylinders (2) are connected with an air guide pipe network (14) capable of generating positive pressure and negative pressure;
a fine screen (13) is arranged in the screening cylinder (2), and the fine screen (13) is arranged between the one-way screening plate (3) and the liquid outlet pipe network (10).
2. The solid-liquid separation device for sewage treatment according to claim 1, wherein the one-way sieving plate (3) comprises a fixed frame (4) arranged along the axial direction of the sieving cylinder (2), and a plurality of partition plates (5) arranged at equal intervals are arranged in the fixed frame (4); every the both sides of division board (5) symmetry respectively are provided with fly leaf (6), the one end that screening section of thick bamboo (2) axis was kept away from in fly leaf (6) articulate in on division board (5) lateral wall, the one end that fly leaf (6) are close to screening section of thick bamboo (2) axis is passed through spring (7) and is connected on division board (5) lateral wall rather than articulated mutually, and two fly leaves (6) between two adjacent division boards (5) contact and extrude each other under the effect of spring (7).
3. The solid-liquid separation device for sewage treatment according to claim 2, wherein the movable plate (6) is coated with a waterproof layer on the outer wall.
4. The solid-liquid separation device for sewage treatment as claimed in claim 1, wherein the screening cylinder (2) further comprises a connecting cover (11) hinged to the lower end of the cylinder wall of the screening cylinder (2), the liquid outlet pipe network (10) is connected with the lower end of the connecting cover (11), and the fine screen (13) is detachably arranged in the connecting cover (11); and a sealing ring is arranged at the upper end of the connecting cover (11).
5. The solid-liquid separation device for sewage treatment as claimed in claim 4, wherein a one-way valve (12) for preventing liquid from flowing backwards is further installed on the pipeline connecting the liquid outlet pipe network (10) and the connecting cover (11).
6. The solid-liquid separation device for sewage treatment according to claim 1, wherein the gas conduit network (14) comprises a negative pressure gas conduit (15) connected with a vacuum pump and a positive pressure gas conduit (16) communicated with compressed air, the negative pressure gas conduit (15) is provided with a first valve (17), the positive pressure gas conduit (16) is provided with a second valve (18), and the top of each sieving cylinder (2) is communicated with the negative pressure gas conduit (15) and the positive pressure gas conduit (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220306973.8U CN216855821U (en) | 2022-02-15 | 2022-02-15 | Solid-liquid separation device for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220306973.8U CN216855821U (en) | 2022-02-15 | 2022-02-15 | Solid-liquid separation device for sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216855821U true CN216855821U (en) | 2022-07-01 |
Family
ID=82155061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220306973.8U Active CN216855821U (en) | 2022-02-15 | 2022-02-15 | Solid-liquid separation device for sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216855821U (en) |
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2022
- 2022-02-15 CN CN202220306973.8U patent/CN216855821U/en active Active
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