CN220317583U - Box sewage treatment device - Google Patents

Abstract

The utility model discloses box-type sewage treatment equipment, which comprises a box body and a controller, wherein an equipment cabinet is arranged at one end of the box body, and a solid removing tank, an anaerobic tank, an anoxic tank, an aerobic tank and a sedimentation tank which are arranged in sequence and separated by a vertical partition plate are arranged in the box body; the anaerobic tank is characterized in that a filter screen is arranged in the anaerobic tank, a first lifting pump communicated with an inner cavity at the top of the anaerobic tank through a pipeline is arranged below the filter screen, a flood dragon conveyor which is transversely arranged is arranged on the filter screen, and a solid discharging port is arranged at one end, far away from the anaerobic tank, of the bottom end of the anaerobic tank. According to the utility model, the units for treating sewage, namely the solid removal tank, the anaerobic tank, the anoxic tank, the aerobic tank and the sedimentation tank, are intensively arranged in one integrated box, so that the space can be saved, the cost is reduced, the distance between two adjacent units is greatly reduced, the sewage conveying distance is reduced, the energy loss for conveying sewage is reduced, and the sewage treatment efficiency is greatly improved.

Description

Box sewage treatment device

Technical Field

The utility model relates to a sewage treatment technology, in particular to box-type sewage treatment equipment.

Background

At present, industrial wastewater treatment has a plurality of treatment processes, and each process is combined by different treatment units to form a wastewater treatment flow. Because the treatment flow is long, the combined units are more, the required equipment investment is large, the equipment utilization efficiency is low, and the equipment occupies large land area and space.

An anaerobic-anoxic-aerobic sewage treatment simulation device disclosed in the patent number CN208500512U comprises a water storage sedimentation tank, a perfusion tube, an anaerobic tank, an anoxic tank, an aerobic tank, a secondary sedimentation tank and a filter; the water storage sedimentation tank, the infusion tube, the anaerobic tank, the anoxic tank, the aerobic tank, the secondary sedimentation tank and the filter are separately arranged, the occupied area is large, longer pipelines are required to be arranged between the two tanks for communication, the sewage is troublesome to convey, the energy loss is large, and the conveying efficiency is low.

All the treatment units are combined in one device, so that the equipment investment can be reduced, and the wastewater treatment cost can be reduced. The utility model provides a box-type sewage treatment device which improves the prior art.

Disclosure of Invention

The utility model aims to solve the technical problems of large occupied area and high equipment cost investment of the existing sewage treatment unit and improve the sewage treatment efficiency by providing the box-type sewage treatment equipment and arranging the integrated sewage treatment box.

The utility model relates to box-type sewage treatment equipment, which comprises a box body and a controller, wherein an equipment cabinet is arranged at one end of the box body, and a solid removal tank, an anaerobic tank, an anoxic tank, an aerobic tank and a sedimentation tank which are arranged in sequence and separated by vertical separation plates are arranged in the box body;

the upper part in the solid removing tank is provided with a flocculation tank and a coagulation aiding tank, a water passing hole is formed in a vertical partition plate between the flocculation tank and the coagulation aiding tank, a through hole and a valve arranged at the through hole are formed in a transverse partition plate between the coagulation aiding tank and the solid removing tank, stirring mechanisms are arranged in the flocculation tank and the coagulation aiding tank, a first dosing device and a second dosing device which are respectively communicated with the flocculation tank and the coagulation aiding tank through dosing pipes are arranged in the equipment cabinet, a water inlet is formed in the top end of the flocculation tank, and a water draining and cleaning port is formed in the side wall of the sedimentation tank;

a filter screen is arranged in the solid removing tank, a first lifting pump communicated with an inner cavity at the top of the anaerobic tank through a pipeline is arranged below the filter screen, a flood dragon conveyor which is transversely arranged is arranged on the filter screen, and a solid discharging port is arranged at one end, far away from the anaerobic tank, of the bottom end of the solid removing tank;

the device cabinet is internally provided with a first aeration device and a second aeration device which are connected with the anoxic tank and the aerobic tank through air pipes, a seal top cover of the anaerobic tank, the anoxic tank and the aerobic tank is provided with an exhaust gas collecting pipe connected with an external purifier, and the exhaust gas collecting pipe is provided with a valve and a miniature air pump.

Preferably, the equipment cabinet is arranged close to one end of the solid removing pool, and one end of the equipment cabinet is provided with a cabinet door.

Preferably, the top of flocculation tank, helping the pond of congealing is equipped with removes solid pond lid, rabbling mechanism is for installing two puddlers and agitator motor that remove solid pond and cover, remove the protrusion is equipped with the support on the inner wall in solid pond the sand grip of horizontal baffle, be equipped with the sealing strip between horizontal baffle and the sand grip to horizontal baffle passes through the bolt structure and is connected with the sand grip.

Preferably, the filter screen comprises an arc-shaped groove with two ends connected with vertical partition plates at two ends of the fixing pond and inclined plates arranged at two sides of the arc-shaped groove and connected with side plates of the fixing pond, the arc-shaped groove is of a semi-cylindrical filter screen structure, a dragon of the dragon conveyor is arranged in the arc-shaped groove, a bearing structure for supporting a dragon of the dragon conveyor is arranged on the vertical partition plates at two ends of the fixing pond, and a dragon driving motor and a reduction gear assembly for driving the dragon are arranged in the equipment cabinet; one end of the arc-shaped groove is provided with a funnel structure communicated with the row of fixed ports.

Preferably, the top in anaerobic tank, anoxic tank and the good oxygen pond is equipped with the crossbeam, be connected with the lead screw through axial bearing rotation on the crossbeam, sealed top cap's top is equipped with positive and negative rotation motor, positive and negative rotation motor's pivot bottom with be equipped with bevel gear drive assembly between the top of lead screw, be equipped with the crane through lead screw nut and its connection on the lead screw, be equipped with three-dimensional elastic filler structure on the crane.

Preferably, the lifting frame comprises a cylinder, two outer rings and connecting rods, wherein the cylinder, the two outer rings and the connecting rods are connected with the screw rod through screw nuts, the two outer rings are respectively connected with the upper end and the lower end of the cylinder through a plurality of connecting rods, vertical sliding grooves are formed in the tank walls of the anaerobic tank, the anoxic tank and the aerobic tank, sliding blocks mutually matched with the vertical sliding grooves are arranged on the outer walls of the outer rings, and the upper end and the lower end of the three-dimensional elastic filler structure are respectively connected with the two outer rings.

Preferably, one side of each sealing top cover is respectively provided with a dosing port communicated with the anaerobic tank, the anoxic tank and the aerobic tank; the other side of the sealing top cover is provided with a sealing cover which is locked with the top walls of the anaerobic tank, the anoxic tank and the aerobic tank through a bolt structure.

Preferably, a second lifting pump connected with the anaerobic tank through a pipeline is arranged between the anaerobic tank and the anoxic tank, a third lifting pump connected with the anoxic tank through a pipeline is arranged between the anoxic tank and the aerobic tank, and a sludge reflux conveying pump connected with the bottom of the inner cavity of the sedimentation tank and the bottom of the inner cavity of the anaerobic tank through a pipeline is arranged between the bottom of the inner cavity of the sedimentation tank and the bottom of the inner cavity of the anaerobic tank.

Preferably, the top end of the lifting frame is provided with a liquid level sensor electrically connected with a controller in the equipment cabinet, and the first lifting pump, the second lifting pump, the third lifting pump, the sludge reflux conveying pump, the micro air extracting pump and the dragon driving motor are electrically connected with the controller; and valves electrically connected with the controller are arranged on the pipelines at the inlets of the first lift pump, the second lift pump, the third lift pump and the sludge reflux conveying pump.

Preferably, the first medicine adding device and the second medicine adding device comprise a medicine box, a medicine adding pump and a medicine conveying pipe; the first aeration device and the second aeration device comprise a blower, an aerator and an air conveying pipeline.

Advantageous effects

The utility model has the advantages that:

1. in the utility model, the units for treating sewage, namely the solid removing tank, the anaerobic tank, the anoxic tank, the aerobic tank and the sedimentation tank, are intensively arranged in one integrated box, so that the space can be saved, the use cost of occupied land is reduced, the cost of equipment construction and purchase is reduced, the distance between two adjacent units is greatly reduced, the sewage conveying distance is reduced, the energy loss for conveying sewage is reduced, the distance is reduced, the centralized management can be realized, and the sewage treatment efficiency is greatly improved.

2. In the utility model, the flocculation tank and the coagulation assisting tank are arranged above the solid removing tank, so that sewage can be conveyed into the solid removing tank by utilizing gravity, the conveying cost is reduced, the speed of mixing the stirring mechanism agent and the sewage is set, and the sewage treatment efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a schematic view showing the external structure of a box-type sewage treatment apparatus of the present utility model;

FIG. 2 is a schematic view showing the internal structure of the box-type sewage treatment apparatus of the present utility model;

FIG. 3 is an enlarged cross-sectional view of the combination of the filter screen and the dragon conveyor of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of the lifting frame and the three-dimensional elastic filler structure in the utility model;

FIG. 5 is an enlarged cross-sectional view of the structure of the forward and reverse motor and lead screw, bevel gear drive assembly of the present utility model;

fig. 6 is an enlarged top view of the structure of the utility model in which the lifting frame is engaged with the vertical chute.

Wherein: 1. a case; 2. an equipment cabinet; 3. removing a solid pool; 4. an anaerobic tank; 5. an anoxic tank; 6. an aerobic tank; 7. a sedimentation tank; 8. a flocculation tank; 9. a coagulation assisting tank; 10. a transverse partition; 11. a water passing hole; 12. a through hole; 13. a stirring mechanism; 14. a first dosing device; 15. a second dosing device; 16. a water inlet; 17. a water discharging and cleaning port; 18. filtering and screening; 19. a first lift pump; 20. a dragon conveyor; 21. a fixed port is arranged; 22. a first aeration device; 23. a second aeration device; 24. sealing the top cover; 25. an exhaust gas collection pipe; 26. a micro suction pump; 27. removing a fixed pool cover; 29. a convex strip; 30. an arc-shaped groove; 31. a sloping plate; 32. a funnel structure; 33. a cross beam; 34. a screw rod; 35. a forward and reverse rotation motor; 36. bevel gear drive assembly; 37. a lifting frame; 38. a three-dimensional elastic filler structure; 39. a cylinder; 40. an outer ring; 41. a connecting rod; 42. a vertical chute; 43. a slide block; 44. a second lift pump; 45. a third lift pump; 46. a sludge reflux conveying pump; 47. a liquid level sensor; 48. a medicine adding port; 49. a support rod; 50. a bearing seat; 51. a horizontal axis; 52. an intermediate bevel gear; 53. a drive bevel gear; 54. driven bevel gears.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "inside", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The terms "first," "second," "third," and the like, if any, are used for descriptive purposes only and for distinguishing between technical features and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

The specific embodiments of the present utility model are as follows:

referring to fig. 1-6, the box-type sewage treatment equipment comprises a box body 1 and a controller, wherein an equipment cabinet 2 is arranged at one end of the box body 1, and a solids removal tank 3, an anaerobic tank 4, an anoxic tank 5, an aerobic tank 6 and a sedimentation tank 7 which are arranged in sequence and separated by vertical separation plates are arranged in the box body 1; the upper part in the solid removing tank 3 is provided with a flocculation tank 8 and a coagulation aiding tank 9, a water passing hole 11 is formed in a vertical partition plate between the flocculation tank 8 and the coagulation aiding tank 9, a through hole 12 and a valve arranged at the through hole are formed in a transverse partition plate 10 between the coagulation aiding tank 9 and the solid removing tank 3, stirring mechanisms 13 are arranged in the flocculation tank 8 and the coagulation aiding tank 9, a first dosing device 14 and a second dosing device 15 which are respectively communicated with the flocculation tank 8 and the coagulation aiding tank 9 through dosing pipes are arranged in the equipment cabinet 2, a water inlet 16 is formed in the top end of the flocculation tank 8, and a water draining hole 17 is formed in the side wall of the sedimentation tank 7;

a filter screen 18 is arranged in the solid removing tank 3, a first lifting pump 19 communicated with an inner cavity at the top of the anaerobic tank 4 through a pipeline is arranged below the filter screen 18, a horizontally arranged dragon conveyor 20 is arranged on the filter screen 18, and a solid discharging port 21 is arranged at one end, far away from the anaerobic tank 4, of the bottom end of the solid removing tank 3;

the device cabinet 2 is internally provided with a first aeration device 22 and a second aeration device 23 which are connected with the anoxic tank 5 and the aerobic tank 6 through air pipes, a seal top cover 24 of the anaerobic tank 4, the anoxic tank 5 and the aerobic tank 6 is provided with an exhaust gas collecting pipe 25 connected with an external purifier, and the exhaust gas collecting pipe 25 is provided with a valve and a micro air pump 26.

In the box-type sewage treatment equipment, the units for treating sewage, namely the solid removal tank 3, the anaerobic tank 4, the anoxic tank 5, the aerobic tank 6 and the sedimentation tank 7, are intensively arranged in one integrated box, so that the space can be saved, the use cost of occupied land is reduced, the equipment construction and purchase cost is reduced, the distance between two adjacent units is greatly reduced, the sewage conveying distance is reduced, the energy loss for conveying sewage is reduced, the distance is reduced, the centralized management can be realized, and the sewage treatment efficiency is greatly improved.

In the box-type sewage treatment equipment, the flocculation tank 8 and the coagulation assisting tank 9 are arranged above the solid removing tank 3, so that sewage can be conveyed into the solid removing tank 3 by utilizing gravity, and the conveying cost is reduced; the stirring mechanism 13 is arranged in the flocculation tank 8 and the coagulation aiding tank 9, the stirring mechanism 13 is used for stirring the sewage in the flocculation tank 8 and the coagulation aiding tank 9 added with the medicaments, the speed of mixing the medicaments injected into the flocculation tank 8 and the coagulation aiding tank 9 by the first and second dosing devices 14 and 15 with the sewage is improved, and the speed of separating out the solids in the flocculation tank 8 and the coagulation aiding tank 9 is improved.

The first dosing device 14 is used for adding flocculant into the first flocculation tank 8, and the second dosing device 15 is used for adding coagulant aid into the coagulant aid tank 9; the flocculant is polyaluminium chloride (PAC), which is an inorganic substance, an emerging water purification material, and an inorganic high polymer coagulant, namely polyaluminium for short. The water-soluble inorganic high molecular polymer is between AlCl3 and Al (OH) 3, has high electric neutralization and bridging effects on colloid and particulate matters in water, can strongly remove micro toxic substances and heavy metal ions, has stable properties, and is an inorganic high molecular water treatment agent with larger relative molecular mass and higher charge; the coagulant aid is Polyacrylamide (PAM), which is a homopolymer of acrylamide or a polymer copolymerized with other monomers, and the (PAM) polyacrylamide is one of the most widely used varieties in water-soluble polymers.

Adding a flocculating agent into the sewage in the first flocculation tank 8, stirring the sewage to fully mix the sewage and the flocculating agent, and mutually bonding and aggregating colloid particles in the water to coagulate and flocculate impurities so as to realize primary coagulation; then continuously adding flocculant into the sewage in the first flocculation tank 8, and overflowing the coagulated sewage generated in the first flocculation tank 8 from the water through holes 11 to the coagulation aiding tank 9; the second dosing device 15 adds coagulant aid into the coagulation-aiding tank 9 to improve coagulation and flocculation effects of floccules in the flowing-in coagulated sewage, and utilizes strong adsorption bridging effect of the high-molecular coagulant aid to make fine and loose floccules coarse and compact, and the coagulant aid is matched with the coagulant to be used so as to enable solid suspended matters aggregated in the water to be quickly settled.

In the box-type sewage treatment equipment, a filter screen 18 is arranged in a solid removal tank 3 to primarily separate solid matters from sewage, and sand is conveyed to one end through a dragon conveyor 20 and then discharged from a solid discharge port 2.

In the box-type sewage treatment equipment, the first aeration device 22 and the second aeration device 23 can provide aeration for the anoxic tank 5 and the aerobic tank 6, the first aeration device 22 and the second aeration device 23 are arranged in the equipment cabinet 2, the distance between the first aeration device 22 and the second aeration device and the anoxic tank 5 and the aerobic tank 6 is shorter, and the energy consumption required by oxygen supply can be reduced. The controller can control the oxygen supply of the first aeration device 22 and the second aeration device 23 to ensure that the requirements of biological bacteria are met.

In this embodiment, the equipment cabinet 2 is disposed near one end of the solids removal tank 3, and one end of the equipment cabinet 2 is provided with a cabinet door.

Further, the top of flocculation tank 8, helping the pond 9 is equipped with removes solid pond lid 27, rabbling mechanism 13 is for installing two puddlers and agitator motor on removing solid pond lid 27, remove the protrusion is equipped with the support on the inner wall of solid pond 3 horizontal baffle 10's sand grip 29, be equipped with the sealing strip between horizontal baffle 10 and the sand grip 29 to horizontal baffle 10 passes through the bolt structure and is connected with sand grip 29, and horizontal baffle 10 will remove solid pond 3 and divide into upper and lower two parts, and upper portion is divided into flocculation tank 8, helps the pond 9 through vertical baffle again.

Further, the filter screen 18 includes an arc groove 30 with two ends connected with vertical partition plates at two ends of the fixing pond 3 and an inclined plate 31 arranged at two sides of the arc groove 30 and connected with side plates of the fixing pond 3, the arc groove 30 is of a semi-cylindrical filter screen structure, the dragon of the dragon conveyor 20 is arranged in the arc groove 30, the vertical partition plates at two ends of the fixing pond 3 are provided with a bearing structure for supporting the dragon of the dragon conveyor 20, and the equipment cabinet 2 is internally provided with a dragon driving motor and a reduction gear assembly for driving the dragon; one end of the arc-shaped groove 30 is provided with a funnel structure 32 communicated with the row of fixed ports 21.

Further, the top in anaerobic tank 4, anoxic tank 5 and good oxygen pond 6 is equipped with crossbeam 33, be connected with lead screw 34 through axial bearing rotation on the crossbeam 33, the top of sealed top cap 24 is equipped with forward-reverse motor 35, be equipped with bevel gear drive assembly 36 between the pivot bottom of forward-reverse motor 35 and the top of lead screw 34, be equipped with on the lead screw 34 through screw nut rather than the crane 37 of being connected, be equipped with three-dimensional elastic filler structure 38 on the crane 37.

In the embodiment, the forward and reverse rotation motor 35 drives the screw rod 34 to rotate through the bevel gear transmission assembly 36, the screw rod 34 rotates to drive the lifting frame 37 to slide up and down, the three-dimensional elastic filler structure 38 on the lifting frame 37 can move up and down, and the controller can adjust the highest position of the lifting frame 37 according to the liquid level height in the anaerobic tank 4, so that the three-dimensional elastic filler structure 38 is prevented from being exposed to the water surface; the sewage in the anaerobic tank 4 can be disturbed by moving the position up and down by the three-dimensional elastic filler structure 38, so that the efficiency of treating organic matters in the sewage by anaerobic bacteria can be improved.

Further, the lifting frame 37 includes a cylinder 39 connected with the screw rod 34 through a screw nut, two outer rings 40 and a connecting rod 41, the screw nut is fixedly arranged on the cylinder 39, the two outer rings 40 are respectively connected with the upper end and the lower end of the cylinder 39 through a plurality of connecting rods 41, vertical sliding grooves 42 are formed in the tank walls of the anaerobic tank 4, the anoxic tank 5 and the aerobic tank 6, sliding blocks 43 mutually matched with the vertical sliding grooves 42 are formed in the outer walls of the outer rings 40, and the upper end and the lower end of the three-dimensional elastic filler structure 38 are respectively connected with the two outer rings 40. The outer ring 40 can move stably up and down under the sliding connection of the sliding block 43 and the vertical sliding groove 42.

Further, the bevel gear transmission assembly 36 includes a bearing seat 50 provided on the cross beam 33, a transverse shaft 51 is rotatably provided on the bearing seat 50, a middle bevel gear 52 is provided on the transverse shaft 51, a driving bevel gear 53 meshed with the middle bevel gear 52 is provided at the bottom end of the output shaft of the reversing motor 35, and a driven bevel gear 54 meshed with the middle bevel gear 52 is provided at the top end of the screw rod 34.

Further, a lower support rod 49 for supporting the bottom of the screw rod 34 is arranged at the bottom of the anaerobic tank 4, the anoxic tank 5 and the aerobic tank 6, and a bearing for supporting the bottom of the screw rod 34 is arranged on the lower support rod 49.

Further, a chemical adding port 48 communicated with the anaerobic tank 4, the anoxic tank 5 and the aerobic tank 6 is arranged on one side of each sealing top cover 24, and various microorganism bacteria can be added into the chemical adding port 48; the other side of the sealing top cover 24 is provided with a top wall which is locked with the anaerobic tank 4, the anoxic tank 5 and the aerobic tank 6 through a bolt structure.

Further, a second lift pump 44 connected with the anaerobic tank 4 and the anoxic tank 5 through a pipeline is arranged between the anoxic tank 5 and the aerobic tank 6, a third lift pump 45 connected with the anoxic tank 5 and the aerobic tank 6 through a pipeline is arranged between the aerobic tank 6 and the sedimentation tank 7, a fourth lift pump 55 connected with the anoxic tank and the sedimentation tank through a pipeline is arranged between the anoxic tank and the sedimentation tank, and a sludge reflux conveying pump 46 connected with the anoxic tank and the anoxic tank through a pipeline is arranged between the bottom of the inner cavity and the bottom of the inner cavity of the anaerobic tank 4.

Further, a liquid level sensor 47 electrically connected to the controller in the equipment cabinet 2 is disposed at the top end of the lifting frame 37, and the first lifting pump 19, the second lifting pump 44, the third lifting pump 45, the fourth lifting pump 55, the sludge reflux conveying pump 46, the micro air pump 26 and the dragon driving motor are electrically connected to the controller; valves electrically connected with the controller are arranged on the pipelines at the inlets of the first lift pump 19, the second lift pump 44, the third lift pump 45, the fourth lift pump 55 and the sludge reflux conveying pump 46. The controller may control the operation of the individual electrical devices.

Further, the first and second dosing devices 14 and 15 include a medicine box, a dosing pump and a medicine delivery tube; the first aeration device 22 and the second aeration device 23 each include a blower, an aerator, and an air delivery pipe.

The foregoing description of specific exemplary embodiments of the utility model has been presented for the purpose of illustration and description, but it is not intended to limit the utility model to the precise form disclosed, and it is apparent that many changes and modifications may be made in accordance with the above teachings, and while embodiments of the utility model have been shown and described, this specific embodiment is merely illustrative of the utility model and not restrictive, the particular features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner, the exemplary embodiments being selected and described for the purpose of explaining the specific principles of the utility model and its practical application, so that modifications, substitutions, variations, and various other changes may be made to the embodiments without creatively departing from the principles and spirit of the utility model as desired by those skilled in the art without departing from the scope of the patent claims.

Claims (10)

1. The box-type sewage treatment equipment comprises a box body (1) and a controller, and is characterized in that an equipment cabinet (2) is arranged at one end of the box body (1), and a solid removing tank (3), an anaerobic tank (4), an anoxic tank (5), an aerobic tank (6) and a sedimentation tank (7) which are arranged in sequence in the box body (1) in a separated mode through vertical partition plates;

the upper part in the solid removing tank (3) is provided with a flocculation tank (8) and a coagulation aiding tank (9), a water passing hole (11) is formed in a vertical partition plate between the flocculation tank (8) and the coagulation aiding tank (9), a through hole and a valve arranged at the through hole are formed in a transverse partition plate (10) between the coagulation aiding tank (9) and the solid removing tank (3), stirring mechanisms (13) are arranged in the flocculation tank (8) and the coagulation aiding tank (9), a first dosing device (14) and a second dosing device (15) which are respectively communicated with the flocculation tank (8) and the coagulation aiding tank (9) through dosing pipes are arranged in the equipment cabinet (2), a water inlet (16) is formed in the top end of the flocculation tank (8), and a clear water outlet (17) is formed in the side wall of the sedimentation tank (7);

a filter screen (18) is arranged in the solid removing tank (3), a first lifting pump (19) communicated with an inner cavity at the top of the anaerobic tank (4) through a pipeline is arranged below the filter screen (18), a horizontally arranged dragon conveyor (20) is arranged on the filter screen (18), and a solid discharging port (21) is arranged at one end, far away from the anaerobic tank (4), of the bottom end of the solid removing tank (3);

the device is characterized in that a first aeration device (22) and a second aeration device (23) which are connected with the anoxic tank (5) and the aerobic tank (6) through air pipes are arranged in the device cabinet (2), an exhaust gas collecting pipe (25) connected with an external purifier is arranged on a sealing top cover (24) of the anoxic tank (4), the anoxic tank (5) and the aerobic tank (6), and a valve and a miniature air pump (26) are arranged on the exhaust gas collecting pipe (25).

2. A tank-type sewage treatment apparatus according to claim 1, wherein the apparatus cabinet (2) is disposed near one end of the solids removal tank (3), and one end of the apparatus cabinet (2) is provided with a cabinet door.

3. The box-type sewage treatment device according to claim 1, wherein the top ends of the flocculation tank (8) and the coagulation-helping tank (9) are provided with a solid removing tank cover (27), the stirring mechanism (13) is provided with two stirring rods and a stirring motor which are arranged on the solid removing tank cover (27), the inner wall of the solid removing tank (3) is convexly provided with a convex strip (29) for supporting the transverse partition plate (10), a sealing strip is arranged between the transverse partition plate (10) and the convex strip (29), and the transverse partition plate (10) is connected with the convex strip (29) through a bolt structure.

4. A box-type sewage treatment device according to claim 1, 2 or 3, wherein the filter screen (18) comprises an arc-shaped groove (30) with two ends connected with vertical partition boards at two ends of the fixing pond (3) and inclined plates (31) arranged at two sides of the arc-shaped groove (30) and connected with side plates of the fixing pond (3), the arc-shaped groove (30) is of a semi-cylindrical filter screen structure, a dragon of the dragon conveyor (20) is arranged in the arc-shaped groove (30), a dragon bearing structure for supporting the dragon of the dragon conveyor (20) is arranged on the vertical partition boards at two ends of the fixing pond (3), and a dragon driving motor and a reduction gear assembly for driving the dragon are arranged in the device cabinet (2); one end of the arc-shaped groove (30) is provided with a funnel structure (32) communicated with the row of fixed ports (21).

5. The box-type sewage treatment device according to claim 4, wherein a cross beam (33) is arranged at the top in the anaerobic tank (4), the anoxic tank (5) and the aerobic tank (6), a screw rod (34) is rotatably connected to the cross beam (33) through an axial bearing, a forward and reverse motor (35) is arranged at the top end of the sealing top cover (24), a bevel gear transmission assembly (36) is arranged between the bottom end of a rotating shaft of the forward and reverse motor (35) and the top end of the screw rod (34), a lifting frame (37) connected with the screw rod through a screw rod nut is arranged on the screw rod (34), and a three-dimensional elastic filler structure (38) is arranged on the lifting frame (37).

6. The box-type sewage treatment device according to claim 5, wherein the lifting frame (37) comprises a cylinder (39) connected with the screw rod (34) through a screw rod nut, two outer rings (40) and a connecting rod (41), the two outer rings (40) are respectively connected with the upper end and the lower end of the cylinder (39) through a plurality of connecting rods (41), vertical sliding grooves (42) are formed in the tank walls of the anaerobic tank (4), the anoxic tank (5) and the aerobic tank (6), sliding blocks (43) mutually matched with the vertical sliding grooves (42) are arranged on the outer walls of the outer rings (40), and the upper end and the lower end of the three-dimensional elastic filler structure (38) are respectively connected with the two outer rings (40).

7. The box-type sewage treatment device according to claim 6, wherein one side of each sealing top cover (24) is respectively provided with a medicine adding port (48) communicated with the anaerobic tank (4), the anoxic tank (5) and the aerobic tank (6); the sealing top cover (24) is locked with the top walls of the anaerobic tank (4), the anoxic tank (5) and the aerobic tank (6) through bolts.

8. The box-type sewage treatment device according to claim 6, wherein a second lifting pump (44) connected with the anaerobic tank (4) through a pipeline is arranged between the anaerobic tank (4) and the anoxic tank (5), a third lifting pump (45) connected with the anoxic tank (5) and the aerobic tank (6) through a pipeline is arranged between the anoxic tank and the aerobic tank, and a sludge reflux conveying pump (46) connected with the anoxic tank and the anoxic tank through a pipeline is arranged between the bottom of the inner cavity of the sedimentation tank (7) and the bottom of the inner cavity of the anaerobic tank (4).

9. The box-type sewage treatment device according to claim 8, wherein a liquid level sensor (47) electrically connected with a controller in a device cabinet (2) is arranged at the top end of the lifting frame (37), and the first lifting pump (19), the second lifting pump (44), the third lifting pump (45), the sludge reflux conveying pump (46), the micro sucking pump (26) and the dragon driving motor are electrically connected with the controller; and valves electrically connected with the controller are arranged on pipelines at the inlets of the first lifting pump (19), the second lifting pump (44), the third lifting pump (45) and the sludge reflux conveying pump (46).

10. A tank sewage treatment plant according to claim 1, wherein the first dosing means (14), the second dosing means (15) comprise a medicament tank, a dosing pump and a delivery tube; the first aeration device (22) and the second aeration device (23) comprise a blower, an aerator and an air conveying pipeline.