Small-sized sewage treatment boat type sedimentation tank device

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a small-sized sewage treatment boat type sedimentation tank device. Comprising a shell assembly, a precipitation assembly and a drainage assembly, the shell assembly comprises a ship-type shell, the precipitation assembly comprises a positioning partition plate and a second supporting plate, the drainage assembly comprises a first mounting plate, a filter screen and a second mounting plate, and an inner cavity of the ship-type shell is divided into a flow guide cavity and a precipitation cavity; a cleaning plate is rotationally connected to the top of the ship-type shell through a hinge, sludge discharge pipes are connected to the bottom of the ship-type shell at equal intervals, a flow guide plate is connected to one end of a positioning partition plate, and a precipitation inclined plate is arranged on the inner side of a precipitation cavity. The filter screen flow channel is in a gradually-expanding shape, and the diameter of the filter screen flow channel is gradually increased from the inlet end of the filter screen, so that the pressure of a water body filtered by the filter screen is gradually recovered, meanwhile, the water body can keep smooth flowing in the expanding process, and water body separation and vortex generation are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely is a small -size sewage treatment ship type sedimentation tank device. BACKGROUND

[0002] The sedimentation tank is a kind of construction that removes suspended solids in water by sedimentation, and is a water purification equipment, which removes suspended solids in water by the action of natural sedimentation or coagulation sedimentation.Sedimentation tanks are divided into horizontal sedimentation tanks and vertical sedimentation tanks according to the direction of water flow.The sedimentation effect depends on the flow rate of water in the sedimentation tank and the residence time of water in the tank.

[0003] The sewage treatment ship type sedimentation tank is a sedimentation device for sewage treatment, which removes suspended solids in sewage by sedimentation.It is similar to a ship in shape, and is usually composed of a ship-shaped shell and an internal partition structure.

[0004] The prior art patent document with the authorized announcement number CN218435168U discloses a small -size sewage treatment ship type sedimentation tank device, which includes a machine body, a stirring device and a dosing device for adding flocculants.The dosing device is arranged on one side of the upper end of the machine body, and the stirring device is arranged in the machine body.The bottom of the machine body is provided with a sewage discharge device.This technical solution can buffer the water flow by the second baffle and the second filter screen in the water outlet tank, and reduce the impact of the water flow on the second filter screen by reducing the speed of the water flow.However, the second filter screen with constant diameter cannot maintain smooth flow of water during expansion, which can easily cause water separation and vortex generation. SUMMARY

[0005] To solve the problem that the second filter screen with constant diameter cannot maintain smooth flow of water during expansion, which can easily cause water separation and vortex generation, the utility model discloses a small -size sewage treatment ship type sedimentation tank device, which gradually increases the diameter of the filter screen flow channel from the inlet end of the filter screen, so that the water pressure after filtration gradually recovers, and the water flow can maintain smooth flow during expansion, reducing water separation and vortex generation.

[0006] In order to achieve the above object, the utility model discloses the technical scheme that adopts: a small -size sewage treatment ship type sedimentation tank device, including shell assembly, sedimentation subassembly, drainage component, the shell assembly includes ship type shell, the sedimentation subassembly includes positioning baffle, second support plate, the drainage component includes first mounting plate, filter screen, second mounting plate, the inner chamber of ship type shell is divided into guide flow cavity and sedimentation chamber, the top of ship type shell is connected with the cleaning board through the hinge rotation, one end of ship type shell is connected with the water inlet pipe, the end that ship type shell is away from the water inlet pipe is connected with the drain pipe, the bottom of ship type shell is connected with the sludge discharge pipe at equal intervals, one end of positioning baffle is connected with the flow guide plate, the inner side of flow guide plate is provided with the flow guide groove, the inner side of sedimentation chamber is provided with the sedimentation inclined plate, the inner wall of first mounting plate is connected with the reinforcing rib, the one end that reinforcing rib is away from first mounting plate is connected with the mounting ring, the inner side of mounting ring is provided with the installation groove.

[0007] The utility model discloses the beneficial effect is: the filter screen flow passage adopts the shape of gradual expansion, from the filter screen entrance end, the diameter of filter screen flow passage gradually increases, make the water body pressure gradually recover after flowing through the filter screen, make water body in the expansion process can keep smooth flow, reduce the generation of water body separation and vortex.

[0008] In order to sewage through the water inlet pipe and flow into the ship type shell, the sludge that deposits by the sludge discharge pipe:

[0009] As the further improvement of the above technical scheme: one end of the water inlet pipe is connected with the sewage discharge pipe, the top of the sludge discharge pipe is connected with the valve, the inner side of the ship type shell wall is connected with the observation window.

[0010] The beneficial effect of the improvement is: when using, sewage flows into the ship type shell through the water inlet pipe, and the sludge that deposits is discharged by the sludge discharge pipe, and the flow guide cavity can be observed through the observation window.

[0011] In order to the speed of sewage slows down after meeting the flow guide plate, and is used for the shunt of sewage through the flow guide groove:

[0012] As the further improvement of the above technical scheme: the flow guide plate has four, four the flow guide plate is connected with the positioning baffle at equal intervals, and the two ends of the flow guide plate are connected with the inner wall of the flow guide cavity.

[0013] The beneficial effect of the improvement is: after the sewage containing suspended matter enters the flow guide cavity, the speed of sewage slows down after meeting the flow guide plate, and is used for the shunt of sewage through the flow guide groove, and under the action of gravity, the suspended matter gradually sinks to the bottom of the sedimentation chamber.

[0014] In order to use the baffle to buffer the flow rate of sewage, thereby reducing the impact of sewage on the sedimentation cavity:

[0015] As a further improvement of the above technical solution: the inner wall of the sedimentation cavity is connected with a first support plate, the top of the first support plate is connected with a baffle, the inner wall of the sedimentation cavity is connected with a second support plate, and the top of the second support plate is connected with the first mounting plate and the second mounting plate.

[0016] The beneficial effects of this improvement are: the second support plate is used to support the installation of the first mounting plate and the second mounting plate, the first support plate is used to support the installation of the positioning partition plate and the baffle, and the baffle is used to buffer the flow rate of sewage, thereby reducing the impact of sewage on the sedimentation cavity.

[0017] In order to divide the originally spacious flow channel space by the sedimentation inclined plate, when the sewage flows between the sedimentation inclined plates, the cross-sectional area of the flow channel decreases:

[0018] As a further improvement of the above technical solution: the sedimentation inclined plates are installed at equal intervals on the inner side of the boat-shaped shell, and the two ends of the sedimentation inclined plates are welded to the inner wall of the sedimentation cavity.

[0019] The beneficial effects of this improvement are: when the sewage enters the sedimentation cavity, the suspended solids gradually sink under the action of gravity, the sedimentation inclined plate divides the originally spacious flow channel space, and when the sewage flows between the sedimentation inclined plates, the cross-sectional area of the flow channel decreases, according to the continuity equation of fluid mechanics, when the flow rate of the fluid remains constant, the cross-sectional area of the flow channel is inversely proportional to the flow rate, and at the narrowed part of the flow channel, the flow rate of the sewage increases sharply, forming a high-speed jet, which can sink faster to the bottom of the sedimentation cavity with the assistance of the jet suction force, thereby shortening the sedimentation time and improving the sedimentation efficiency.

[0020] In order to use the reinforcing ribs to fix the installation ring, and use the installation slot to form the slot body for the insertion of the filter screen:

[0021] As a further improvement of the above technical solution: the end of the filter screen away from the second mounting plate is welded to the inner wall of the flow guide plate, the outer wall of the first mounting plate is connected to the inner wall of the boat-shaped shell, and the outer wall of the second mounting plate is connected to the inner wall of the boat-shaped shell.

[0022] The beneficial effects of this improvement are: the first mounting plate and the second mounting plate are used to fix the installation of the filter screen in the boat-shaped shell, the reinforcing ribs are used to fix the installation of the installation ring, and the installation slot is used to form the slot body for the insertion of the filter screen.

[0023] In order to gradually increase the diameter of the filter screen flow channel, so that the water pressure after filtering through the filter screen gradually recovers:

[0024] As a further improvement of the above technical solution: the side view cross section of the filter screen is a circular truncated cone type, the end of the filter screen away from the second mounting plate is the inlet end, the end of the filter screen away from the first mounting plate is the outlet end, and the end of the filter screen away from the first mounting plate is welded with the inner wall of the second mounting plate.

[0025] The beneficial effect of the improvement is that the flow channel of the filter screen adopts a gradually expanding shape, the diameter of the flow channel of the filter screen gradually increases from the inlet end of the filter screen, the pressure of the water body filtered by the filter screen is gradually recovered, and the water body can maintain smooth flow during the expansion process, reducing the generation of water body separation and vortex.

[0026] In order to discharge the collected water body through the drain pipe:

[0027] As a further improvement of the above technical solution: one end of the drain pipe penetrates through the wall of the boat-shaped shell and extends to be connected with the water collecting cover, and the end of the water collecting cover away from the drain pipe is connected with the second mounting plate.

[0028] The beneficial effect of the improvement is that the water body filtered by the filter screen flows into the water collecting cover for collection, and the collected water body is discharged through the drain pipe, and the second mounting plate is used for mounting and fixing the end of the filter screen away from the first mounting plate. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a sectional view structural schematic diagram of the boat-shaped shell of the utility model.

[0030] Figure 2 It is a side view structural schematic diagram of the utility model.

[0031] Figure 3 It is a three-dimensional structural schematic diagram of the mounting ring of the utility model.

[0032] Figure 4 It is a three-dimensional structural schematic diagram of the guide plate of the utility model.

[0033] Figure 5 It is a structural schematic diagram of the first mounting plate of the utility model.

[0034] In the drawing: 1, shell assembly; 11, boat-shaped shell; 12, guide cavity; 13, observation window; 14, cleaning plate; 15, water inlet pipe; 16, drain pipe; 17, sludge discharge pipe; 18, sedimentation cavity; 2, sedimentation assembly; 21, positioning partition plate; 22, flow resistance plate; 23, first supporting plate; 24, guide plate; 25, guide groove; 26, second supporting plate; 27, sedimentation inclined plate; 3, drainage assembly; 31, first mounting plate; 32, reinforcing rib; 33, mounting ring; 34, mounting groove; 35, filter screen; 36, second mounting plate; 37, water collecting cover. DETAILED DESCRIPTION

[0035] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model is described in detail below in combination with the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the utility model.

[0036] As Figures 1-5As shown, a small sewage treatment ship type sedimentation tank device, including shell assembly 1, sedimentation assembly 2, drainage assembly 3, the shell assembly 1 includes ship type shell 11, the sedimentation assembly 2 includes positioning partition 21, second support plate 26, the drainage assembly 3 includes first mounting plate 31, filter screen 35, second mounting plate 36, the inner cavity of the ship type shell 11 is divided into flow guide cavity 12 and sedimentation cavity 18, the top of the ship type shell 11 is rotatably connected with the cleaning plate 14 through the hinge, one end of the ship type shell 11 is connected with the water inlet pipe 15, the end of the ship type shell 11 away from the water inlet pipe 15 is connected with the drain pipe 16, the bottom of the ship type shell 11 is connected with the sludge discharge pipe 17 at equal intervals, one end of the positioning partition 21 is connected with the flow guide plate 24, the inner side of the flow guide plate 24 is provided with a flow guide groove 25, the inner side of the sedimentation cavity 18 is provided with a sedimentation inclined plate 27, the inner wall of the first mounting plate 31 is connected with the reinforcing rib 32, one end of the reinforcing rib 32 away from the first mounting plate 31 is connected with the mounting ring 33, the inner side of the mounting ring 33 is provided with a mounting groove 34, one end of the water inlet pipe 15 penetrates the positioning partition 21 and communicates with the flow guide cavity 12, the top of the sludge discharge pipe 17 penetrates the bottom wall of the ship type shell 11 and extends to communicate with the sedimentation cavity 18, the end of the water inlet pipe 15 away from the ship type shell 11 is connected with the sewage discharge pipe, the sludge discharge pipe 17 is connected with a valve, the inner side of the wall of the ship type shell 11 is connected with an observation window 13; When in use, sewage flows into the ship type shell 11 through the water inlet pipe 15, and the settled sludge is discharged through the sludge discharge pipe 17, and the flow guide cavity 12 is observed through the observation window 13, the flow guide plate 24 has four pieces, the four flow guide plates 24 are connected with the positioning partition 21 at equal intervals, and the two ends of the flow guide plate 24 are connected with the inner wall of the flow guide cavity 12; After the sewage containing suspended matter enters the flow guide cavity 12, the speed of the sewage slows down after meeting the flow guide plate 24, and the flow guide groove 25 is used for shunting the sewage, and under the action of gravity, the suspended matter gradually sinks to the bottom of the sedimentation cavity 18, the inner wall of the sedimentation cavity 18 is connected with the first support plate 23, the top of the first support plate 23 is connected with the flow resistance plate 22, the inner wall of the sedimentation cavity 18 is connected with the second support plate 26, and the top of the second support plate 26 is connected with the first mounting plate 31 and the second mounting plate 36; The first mounting plate 31 and the second mounting plate 36 are installed and supported by the second support plate 26, the positioning partition 21 and the flow resistance plate 22 are installed and supported by the first support plate 23, and the flow resistance plate 22 is used for buffering the flow rate of the sewage, thereby reducing the impact of the sewage on the sedimentation cavity 18, the sedimentation inclined plate 27 is installed at the inner side of the ship type shell 11 at equal intervals, and the two ends of the sedimentation inclined plate 27 are welded with the inner wall of the sedimentation cavity 18.Sewage enters the sedimentation chamber 18, under the action of gravity, suspended solids gradually sink, the sedimentation inclined plate 27 makes the originally more spacious flow channel space is divided, sewage flows between the sedimentation inclined plate 27, the flow channel cross-sectional area decreases, according to the continuity equation of fluid mechanics, when the flow of fluid remains constant, the flow channel cross-sectional area is inversely proportional to the flow velocity, at the narrow flow channel, the sewage flow velocity will increase sharply, forming a high-speed jet, under the assistance of jet suction force, can faster to the bottom of the sedimentation chamber 18, shorten the sedimentation time, improve the sedimentation efficiency, the filter screen 35 away from the second mounting plate 36 one end and the inner wall of the flow guide plate 24 is welded, the outer wall of the first mounting plate 31 and the inner wall of the boat type shell 11 is connected, the outer wall of the second mounting plate 36 and the inner wall of the boat type shell 11 is connected;Through the first mounting plate 31 and the second mounting plate 36 are arranged, for the installation and fixation of the filter screen 35 in the boat type shell 11, through the setting of the reinforcing rib 32, for the installation and fixation of the mounting ring 33, through the installation slot 34 for the slot body of the filter screen 35 insertion, the side view cross section of the filter screen 35 is circular truncated cone type, the end of the filter screen 35 away from the second mounting plate 36 is the inlet end, the end of the filter screen 35 away from the first mounting plate 31 is the outlet end, the end of the filter screen 35 away from the first mounting plate 31 and the inner wall of the second mounting plate 36 is welded;The flow channel of the filter screen 35 adopts the shape of gradual expansion, from the inlet end of the filter screen 35, the diameter of the flow channel of the filter screen 35 gradually increases, so that the water body pressure after filtering through the filter screen 35 gradually recovers, at the same time, the water body can keep smooth flow in the expansion process, reduce the generation of water body separation and vortex, one end of the drain pipe 16 penetrates the wall of the boat type shell 11 and extends to be connected with the water collecting cover 37, the end of the water collecting cover 37 away from the drain pipe 16 is connected with the second mounting plate 36;The water body after filtering through the filter screen 35 flows into the water collecting cover 37 for collection, the collected water body is discharged through the drain pipe 16, the second mounting plate 36 is used for the installation and fixation of the end of the filter screen 35 away from the first mounting plate 31.

[0037] The working principle of the utility model is as follows: when in use, sewage flows into the boat-shaped shell 11 through the water inlet pipe 15, the sewage containing suspended matter enters the flow guide cavity 12, the speed of the sewage slows down after meeting the flow guide plate 24, and the flow guide groove 25 is used for shunting the sewage, the second supporting plate 26 is used for installing and supporting the first mounting plate 31 and the second mounting plate 36, the first supporting plate 23 is used for installing and supporting the positioning baffle 21 and the flow resistance plate 22, the flow resistance plate 22 is used for buffering the flow rate of the sewage, thereby reducing the impact of the sewage on the sedimentation cavity 18, the sewage enters the sedimentation cavity 18, under the action of gravity, the suspended matter gradually sinks, the sedimentation inclined plate 27 divides the originally relatively spacious flow channel space, when the sewage flows between the sedimentation inclined plate 27, the cross-sectional area of the flow channel decreases, according to the continuity equation of fluid mechanics, when the flow rate of the fluid remains constant, the cross-sectional area of the flow channel is inversely proportional to the flow rate, at the narrowed part of the flow channel, the flow rate of the sewage sharply increases, forming a high-speed jet, under the assistance of the jet suction force, the sewage can sink faster to the bottom of the sedimentation cavity 18, the sedimentation time is shortened, and the sedimentation efficiency is improved, the flow channel of the filter screen 35 adopts a gradually expanding shape, the diameter of the flow channel of the filter screen 35 gradually increases from the inlet end of the filter screen 35, so that the water pressure of the water filtered by the filter screen 35 gradually recovers, and at the same time, the water can keep smooth flow in the expansion process, the generation of water separation and vortex is reduced, the water filtered by the filter screen 35 flows into the water collecting cover 37 for collection, the collected water is discharged through the drain pipe 16, the second mounting plate 36 is used for installing and fixing the end of the filter screen 35 away from the first mounting plate 31, the first mounting plate 31 and the second mounting plate 36 are arranged for installing and fixing the filter screen 35 in the boat-shaped shell 11, the reinforcing ribs 32 are arranged for installing and fixing the mounting ring 33, the mounting groove 34 is used for the slot body into which the filter screen 35 is inserted, the sludge precipitated is discharged through the sludge discharge pipe 17, and the flow guide cavity 12 is observed through the observation window 13.

[0038] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that processes, methods, articles, or devices that include a series of elements not only include those elements, but also include other elements not explicitly listed, or inherent to such processes, methods, articles, or devices.

[0039] The principle and implementation mode of the present application are described by using specific examples herein, and the above examples are only used for helping to understand the method and core idea of the present application. The above description is only the preferred implementation mode of the present application, and it should be pointed out that due to the limited expression, there are unlimited specific structures in objective, and for ordinary skilled persons in the technical field, some improvements, decorations or changes can be made without departing from the principle of the present application, and the above technical features can be combined in a proper way; the improvements, decorations, changes or combinations, or the direct application of the concept and technical solution of the present application to other occasions without improvement, should be regarded as the protection scope of the present application.

Claims

1. A small sewage treatment ship type sedimentation tank device, comprising a shell assembly (1), a sedimentation assembly (2), a drainage assembly (3), the shell assembly (1) comprises a ship type shell (11), the sedimentation assembly (2) comprises a positioning partition plate (21), a second support plate (26), the drainage assembly (3) comprises a first mounting plate (31), a filter screen (35), a second mounting plate (36), characterized in that: The inner cavity of the boat-shaped shell (11) is divided into a flow guide cavity (12) and a sedimentation cavity (18), the top of the boat-shaped shell (11) is hingedly connected with a cleaning plate (14), one end of the boat-shaped shell (11) is connected with a water inlet pipe (15), the end of the boat-shaped shell (11) away from the water inlet pipe (15) is connected with a water outlet pipe (16), the bottom of the boat-shaped shell (11) is connected with equidistantly arranged sludge discharge pipes (17), one end of the positioning partition plate (21) is connected with a flow guide plate (24), the inner side of the flow guide plate (24) is provided with a flow guide groove (25), the inner side of the sedimentation cavity (18) is provided with a sedimentation inclined plate (27), the inner wall of the first mounting plate (31) is connected with a reinforcing rib (32), the end of the reinforcing rib (32) away from the first mounting plate (31) is connected with a mounting ring (33), and the inner side of the mounting ring (33) is provided with a mounting groove (34).

2. A compact sewage treatment vessel type sedimentation tank device according to claim 1, characterized in that One end of the water inlet pipe (15) penetrates through the positioning partition plate (21) and communicates with the flow guide cavity (12), the top of the sludge discharge pipe (17) penetrates through the bottom wall of the boat-shaped shell (11) and extends to communicate with the sedimentation cavity (18), the end of the water inlet pipe (15) away from the boat-shaped shell (11) is connected with a sewage discharge pipe, and the sludge discharge pipe (17) is connected with a valve.

3. A compact sewage treatment vessel type sedimentation tank apparatus according to claim 1, characterized in that: The four flow guide plates (24) are equidistantly connected with the positioning partition plate (21), and the two ends of the flow guide plate (24) are connected with the inner wall of the flow guide cavity (12).

4. A compact sewage treatment vessel type sedimentation tank apparatus according to claim 1, characterized in that: The inner wall of the sedimentation cavity (18) is connected with a first supporting plate (23), the top of the first supporting plate (23) is connected with a flow resistance plate (22), the inner wall of the sedimentation cavity (18) is connected with a second supporting plate (26), and the top of the second supporting plate (26) is connected with the first mounting plate (31) and the second mounting plate (36).

5. A compact sewage treatment vessel type settling tank apparatus according to claim 1, characterized in that: The sedimentation inclined plates (27) are equidistantly arranged on the inner side of the boat-shaped shell (11), and the two ends of the sedimentation inclined plate (27) are welded with the inner wall of the sedimentation cavity (18).

6. A compact sewage treatment vessel type sedimentation tank apparatus according to claim 1, characterized in that: The end of the filter screen (35) away from the second mounting plate (36) is welded with the inner wall of the flow guide plate (24), the outer wall of the first mounting plate (31) is connected with the inner wall of the boat-shaped shell (11), and the outer wall of the second mounting plate (36) is connected with the inner wall of the boat-shaped shell (11).

7. A compact sewage treatment vessel type sedimentation tank apparatus according to claim 1, characterized in that: The side view cross section of the filter screen (35) is a circular truncated cone type, the end of the filter screen (35) away from the second mounting plate (36) is an inlet end, the end of the filter screen (35) away from the first mounting plate (31) is an outlet end, and the end of the filter screen (35) away from the first mounting plate (31) is welded with the inner wall of the second mounting plate (36).

8. A compact sewage treatment vessel type sedimentation tank apparatus according to claim 1, characterized in that: One end of the water outlet pipe (16) penetrates through the wall of the boat-shaped shell (11) and extends to be connected with a water collecting cover (37), and the end of the water collecting cover (37) away from the water outlet pipe (16) is connected with the second mounting plate (36).

Images