CN211215793U

CN211215793U - High-efficient sewage solid-liquid separation equipment

Info

Publication number: CN211215793U
Application number: CN201921346124.XU
Authority: CN
Inventors: 王彬; 张进; 魏亮; 李洁; 邓剑
Original assignee: Sichuan Tianrunde Environment Engineering Co ltd
Current assignee: Sichuan Tianrunde Environment Engineering Co ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-08-11
Anticipated expiration: 2029-08-20

Abstract

The utility model relates to a high-efficient sewage solid-liquid separation equipment, including the box, box one side is equipped with water intake system, and the box opposite side is equipped with out the water system, and the inside slope of box is equipped with filtration system, and the lower one end of filtration system is located water intake system one side, and the higher one end of filtration system is located water output system one side, and the higher one end cooperation of filtration system is provided with spiral filter-pressing system. The utility model discloses can simplify traditional sewage physical treatment mode, collect traditional physical treatment unit in an organic whole, reach and shorten process flow, get rid of difficult settlement particulate matter and tiny sand grain, also can realize sludge concentration and dehydration process in step, provide a high efficiency, energy-conservation, safety, intelligence and take up an area of little solid-liquid separation equipment.

Description

High-efficient sewage solid-liquid separation equipment

Technical Field

The utility model relates to an environmental protection equipment technical field particularly, relates to a high-efficient sewage solid-liquid separation equipment.

Background

Municipal sewage treatment can be divided into physical treatment, chemical treatment and biological treatment according to the principle of action. Physical treatment method: separating and recovering insoluble floating/suspending pollutants by physical action; chemical treatment method: removing pollutants in a dissolved and colloidal state through a chemical reaction; biological treatment method: through the metabolism of the microorganism, the organic matters in the states of solution, colloid and fine floating/suspending are removed.

At present, a sewage physical treatment method is generally provided with a coarse grid, a fine grid and an (aeration) grit chamber for removing impurities with larger specific gravity and particle size in sewage and organic matters on the surface so as to protect pipelines, valves and other facilities from abrasion and blockage and reduce the load of subsequent treatment. The conventional physical treatment method is generally formed by connecting a plurality of treatment units in series, has the disadvantages of more auxiliary equipment, complicated structure, high design requirement, complex working procedures and technical processes, larger occupied area and no contribution to subsequent drying and dehydration.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned technical problem in the correlation technique, the utility model provides a high-efficient sewage solid-liquid separation equipment can simplify traditional sewage physical treatment mode, collects traditional physical treatment unit in an organic whole, reaches and shortens process flow, gets rid of difficult settlement particulate matter and tiny sand grain, also can realize sludge concentration and dehydration process in step, provides a high efficiency, energy-conservation, safety, intelligence and takes up an area of little solid-liquid separation equipment.

In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:

a high-efficiency sewage solid-liquid separation device comprises a box body, wherein a water inlet system is arranged on one side of the box body, a water outlet system is arranged on the other side of the box body, a filtering system is obliquely arranged in the box body, the lower end of the filtering system is positioned on one side of the water inlet system, the higher end of the filtering system is positioned on one side of the water outlet system, a spiral filter-pressing system is arranged at the higher end of the filtering system in a matching way, the filtering system comprises a filtering structure and a cleaning structure, the filtering structure comprises a filtering mesh belt, a ridge type flow-dividing device, a rack, a synchronous belt, a clamp type butt-joint sealing structure and side plates, the filtering mesh belt is divided into two layers, the rack is arranged below the upper layer of the filtering mesh belt, the ridge type flow-dividing device is arranged between the upper layer of, the upper synchronous belt is sealed with the side plate through an elastic pressing strip, the side plate is sealed with the inner side of the box body through a self-clamping type sealing rubber strip, and the return synchronous belt is of a wafer type sealing structure.

Furthermore, the water inlet system comprises a water inlet, an overflow port, a liquid level meter and a water distribution-overflow structure, wherein the overflow port is arranged above the water inlet in an inclined manner, the water distribution-overflow structure is arranged right in front of the water inlet, and the liquid level meter is arranged on one side, close to the water inlet, in the box body.

Furthermore, the water distribution-overflow structure comprises a fan-shaped water distributor and an adjustable weir overflow device.

Furthermore, one section of the filter mesh belt is obliquely arranged in the box body, the other section of the filter mesh belt is arranged in parallel with a horizontal line, the filter mesh belt is of an integral structure, a filter screen carrier roller is arranged outside a bending part, a roller II is arranged inside the bending part, a roller III is arranged inside the tail end of the filter mesh belt which is obliquely arranged, a roller I is arranged inside the tail end of the filter mesh belt which is horizontally arranged, and the roller I is provided with a mesh belt motor reducer.

Furthermore, the cleaning structure comprises an air knife cleaning device, a slag scraping device and a flushing device which are sequentially arranged at the horizontal filter mesh belt.

Further, the effluent system is including subsiding guiding device, heavy mud washing unit, it sets up in the filtration below to subside the guiding device slope, the box is being subsided the high one end of guiding device and is being equipped with the delivery port, the box is being subsided the low one end of guiding device and is being equipped with and wash the mud discharging port, heavy mud washing unit sets up the one side relative with washing the mud discharging port on the box, heavy mud washing unit is connected with heavy mud flushing pipe, heavy mud flushing pipe extends to and washes mud discharging port the place ahead.

Further, spiral filter-pressing system includes spiral filter press, filter-pressing washing unit, spiral filter-pressing structure, spiral filter-pressing export one end is connected with the spring apron, the spiral filter-pressing other end is equipped with the screw motor reduction gear, spiral filter press is being close to the cooperation of spring apron department and is being provided with spiral filter-pressing structure, spiral filter-pressing structure top is located to filter-pressing washing unit, spiral filter-pressing structure bottom is equipped with the filter-pressing outlet.

Furthermore, the pitch of the spiral blades of the spiral filter press ranges from sparse to dense and ranges from 105mm to 140 mm.

Further, the top surface of the box body is provided with a front cover and a rear cover, and the rear cover is matched with the spiral filter pressing system.

Furthermore, a plurality of adjustable shock pads are arranged at the bottom of the box body.

The utility model has the advantages that:

the process is simple and short: the utility model discloses collect a plurality of processing unit in an organic whole of traditional sewage pretreatment technique, can greatly reduce equipment quantity and process.

Energy conservation and high efficiency: the separating device of the utility model has smaller filter mesh diameter, can efficiently retain floating/suspended matters in sewage, and has SS removal rate of 40-60 percent and BOD removal rate of 20-40 percent; the equipment quantity is small, and the energy consumption is low.

Convenient maintenance: the upper end of the utility model is provided with the front and the rear top covers, which can respectively open the internal condition of the observation equipment and check the running state of the separation system at any time; meanwhile, the spiral filter pressing system is detachable and convenient to maintain.

Low investment and small occupied area: in the high-efficiency solid-liquid separation device, solid-liquid separation and sludge concentration and dehydration are all completed in compact equipment, and compared with the traditional pretreatment, the device has the advantages of multiple functions, low investment cost, small occupied area and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and 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 these drawings without creative efforts.

FIG. 1 is a schematic view of a sectional structure of a high-efficiency solid-liquid sewage separator according to an embodiment of the present invention.

Fig. 2 is a schematic view of a top view structure of a high-efficiency sewage solid-liquid separation device according to an embodiment of the present invention.

FIG. 3 is a schematic side view of a high-efficiency sewage solid-liquid separation device according to an embodiment of the present invention.

Fig. 4 is a schematic cross-sectional view of a filter structure according to an embodiment of the present invention.

Fig. 5 is a schematic cross-sectional view of a spiral filter-press system according to an embodiment of the present invention.

In the figure: the device comprises a water inlet 1, an overflow port 2, a liquid level meter 3, a water distribution-overflow structure 4, a filtering structure 5, a box body 6, an air knife cleaning device 7, a slag scraping device 8, a flushing device 9, a spiral filter press 10, a spiral motor reducer 11, a sedimentation diversion device 12, a water outlet 13, a flushing sludge discharge port 14, a filter press flushing device 15, a mesh belt motor reducer 16, a filter screen carrier roller 17, a roller I18, a roller II 19, a roller III 20, an adjustable shock pad 21, a sludge settling flushing device 22, a spring cover plate 23, a filter press water outlet 24, a machine body rear cover 25, a machine body front cover 26, a sludge settling flushing pipe 27, a spiral filter press structure 28, a filtering mesh belt 51, a ridge type flow dividing device 52, a machine frame 53, a synchronous belt 54, a clamp type sealing structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

As shown in fig. 1-5, the high-efficiency solid-liquid sewage separating apparatus according to the embodiment of the present invention comprises a water inlet system, a filtering system, a water outlet system, and a spiral filter pressing system;

in the preferred embodiment, the water inlet system is provided with a water inlet 1, a liquid level meter 3 and a water distribution-overflow structure 4, wherein the water distribution-overflow structure 4 integrates the functions of water distribution and overflow, and is provided with a fan-shaped water distributor and an adjustable weir overflow device.

In the preferred embodiment, the water distribution-overflow structure 4 is arranged right in front of the water inlet 1, so that the impact force of water flow can be reduced, and water is slowly and uniformly distributed on the filter mesh belt 51 with the filter precision of about 0.4 mm-0.8 mm from bottom to top, thereby avoiding disturbance to sediment; the highest water level of the water inlet system can be controlled, the water level is higher than the overflow device of the adjustable water weir, and the water can return to the external adjusting tank through the overflow port 2, so that the liquid is prevented from overflowing.

In the preferred embodiment, the liquid level meter 3 controls the start and stop of the solid-liquid separation device system and adjusts the rotation speed of the filter screen and the motor of the screw filter press 10 by monitoring the liquid level at the water inlet 1.

In the preferred embodiment, the filtering system comprises a filtering structure 5 and a cleaning structure, the filtering structure 5 is provided with a filtering mesh belt 51, a ridge type flow dividing device 52, a frame 53 and a driving motor, and the cleaning structure is sequentially provided with an air knife cleaning device 7, a slag scraping device 8 and a flushing device 9.

In the preferred embodiment, the filter mesh belt 51 is embedded in the timing belt 54, the timing belt 54 is sealed with the side plate 56 through an elastic pressing strip, and the side plate 56 is sealed with the inner side of the box body 6 through a self-clamping sealing rubber strip. The aperture of the filter mesh belt 51 is 0.4 mm-0.8 mm, the thickness is 0.4 mm-0.8 mm, a ridge-type splitter plate is arranged in the filter mesh belt 51, the ridge-type splitter plate is arranged in parallel with the filter screen, the filter liquid after diversion and filtration flows to two sides and enters the water storage tank, solid impurities enter the spiral filter pressing system from the outside along with the rotation of the filter screen, the return synchronous belt 54 adopts a butt-clamp type sealing structure 55, the filter liquid is prevented from passing through the return synchronous belt 54, and the abrasion of the filter mesh belt 51 is reduced; the filter mesh belt 51 is provided with a mesh belt motor driving roller I18, and the roller I18 drives a roller II 19 and a roller III 20 to realize solid-liquid filtering separation.

In the preferred embodiment, the ridge type flow dividing device 52 is positioned between the upper layer and the lower layer of the filter mesh belt 51, the included angle between two ridges is 150-160 degrees, and the ridge type flow dividing device is arranged in parallel with the filter mesh belt 51; the cleaning structure is sequentially provided with an air knife cleaning device 7, a slag scraping device 8 and a washing device 9. Solid-state impurity after 5 separations of filtration are transported to spiral filter pressing system's mud storage tank along with filter mesh belt 51, can not be by gravity freely drop, will blow through air knife belt cleaning device 7, and the rethread that still does not drop scrapes sediment device 8 and scrapes, and washing unit 9 washes 2min every 4h water, prevents that the guipure from blockking up.

In the preferred embodiment, the effluent system is provided with a sedimentation flow guide device 12, the distance between the sedimentation flow guide device 12 and the bottom of the tank is 80-100 mm, the distance between the sedimentation flow guide device 12 and the filter mesh belt 51 is 40-50 mm, and the inclination angle is 30-50 degrees; the solid matter of the tiny particles can be deposited at the bottom by gravity, the bottom is provided with a sludge settling flushing device 22, the solid matter is flushed for 2min every 8h, and a flushing sludge discharge port 14 is opened during flushing; the supernatant slowly enters the water outlet 13 along the sedimentation diversion device 12, and secondary separation can be realized without external power.

In the preferred embodiment, the spiral filter pressing system is provided with a mud storage device, a spiral filter press 10 and a filter pressing flushing device 15. The screw press 10 is a split press device and can be disassembled for convenient maintenance. The distance between the spiral blades of the spiral filter press 10 is from sparse to dense so as to ensure the conveying and filter pressing effect, and the distance is 105-140 mm; the outlet of the spiral filter press 10 is connected with an adjustable spring cover plate 23, and the spring cover plate 23 extrudes to a certain degree to discharge the dehydrated solid substances downwards by gravity.

In the preferred embodiment, the spiral filter pressing structure is a cylinder surrounded by inverted triangular steel bars, and the gap is 3-5 mm; the filter pressing flushing device 15 is located above the spiral filter pressing structure and is flushed for 2min every 8 hours.

In the preferred embodiment, the cleaning device and the screw filter press 10 are started with the operation of the filter mesh belt 51, and the air pressure of the air knife cleaning device 7 is at least 0.8 bar.

For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.

When the device is used specifically, the water inlet system is provided with a water inlet 1, the water distribution-overflow structure 4 can effectively control the water flow speed and the impact degree of the water inlet 1, the highest water level is controlled, liquid reaches the highest water level and returns to the external regulating reservoir through an overflow port 2, the liquid level meter 3 controls the mesh belt motor reducer 16 to adjust the running speed of the filtering structure 5 and controls the spiral motor reducer 11 to adjust the speed of the spiral filter press 10, intercepted solid impurities are arranged above the filtering mesh belt, the impurities fall into a mud storage tank of the spiral filter press 10 along with the filtering mesh belt 51 through gravity, the solid impurities which can not fall freely are sequentially treated by the air knife cleaning device 7, the slag scraping device 8 and the filter screen cleaning device 9, the purpose of cleaning the mesh belt is achieved, the solid impurities entering the spiral filter press system are filter-pressed by the spiral filter press 10, and the dehydrated solid impurities are discharged by the spring, the liquid filtered by the filter screen is subjected to secondary separation in a filter screen filtering system, the separated settled silt is discharged from a flushing silt discharging port 14, and the supernatant is guided by a settling guide device 12 to enter a water outlet tank and finally discharged from a water outlet 13.

The utility model has the advantages of simplify traditional sewage physical treatment mode, collect traditional physical treatment unit in an organic whole, reach and shorten process flow, get rid of difficult settlement particulate matter and tiny sand grain, also can realize sludge concentration and dehydration process in step, provide a high efficiency, energy-conservation, safety, intelligence and take up an area of little solid-liquid separation equipment.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The high-efficiency sewage solid-liquid separation device comprises a box body (6) and is characterized in that a water inlet system is arranged on one side of the box body (6), a water outlet system is arranged on the other side of the box body (6), a filtering system is obliquely arranged inside the box body (6), the lower end of the filtering system is positioned on one side of the water inlet system, the higher end of the filtering system is positioned on one side of the water outlet system, a spiral filter-pressing system is arranged at the higher end of the filtering system in a matching way, the filtering system comprises a filtering structure (5) and a cleaning structure, the filtering structure (5) comprises a filtering mesh belt (51), a ridge type flow-dividing device (52), a rack (53), a synchronous belt (54) and a side plate (56), the filtering mesh belt (51) is divided into two layers, the rack (53) is arranged below the upper layer filtering mesh belt (51), the ridge type flow-dividing device (52) is arranged, filter mesh belt (51) and inlay in hold-in range (54), hold-in range (54) divide into upper portion hold-in range and return stroke hold-in range, upper portion hold-in range passes through the elastic pressing strip and seals with curb plate (56), curb plate (56) are sealed through self-holding formula joint strip and box (6) inboard, the return stroke hold-in range adopts wafer formula seal structure (55).

2. The high-efficiency sewage solid-liquid separation device according to claim 1, wherein the water inlet system comprises a water inlet (1), an overflow port (2), a liquid level meter (3) and a water distribution-overflow structure (4), the overflow port (2) is arranged obliquely above the water inlet (1), the water distribution-overflow structure (4) is arranged right in front of the water inlet (1), and the liquid level meter (3) is arranged on one side of the box body (6) close to the water inlet (1).

3. The high-efficiency solid-liquid separation device for sewage according to claim 2, wherein the water distribution-overflow structure (4) comprises a fan-shaped water distributor and an adjustable weir overflow.

4. A high-efficiency solid-liquid separation device for sewage according to claim 3, wherein one section of the filter mesh belt (51) is obliquely arranged in the box body (6), the other section of the filter mesh belt (51) is arranged parallel to the horizontal line, the filter mesh belt (51) is of an integral structure, a filter screen carrier roller (17) is arranged outside a bending part, a roller second (19) is arranged inside the bending part, a roller third (20) is arranged inside the obliquely arranged end of the filter mesh belt (51), a roller first (18) is arranged inside the horizontally arranged end of the filter mesh belt (51), and the roller first (18) is provided with a mesh belt motor reducer (16).

5. The high-efficiency sewage solid-liquid separation device according to claim 4, wherein the cleaning structure comprises an air knife cleaning device (7), a slag scraping device (8) and a flushing device (9) which are arranged at the horizontal filtering mesh belt (51) in sequence.

6. The high-efficiency sewage solid-liquid separation device according to claim 5, wherein the effluent system comprises a sedimentation diversion device (12) and a sludge settling flushing device (22), the sedimentation diversion device (12) is obliquely arranged below the filtering structure (5), the box is provided with a water outlet (13) at the high end of the sedimentation diversion device (12), the box is provided with a flushing sludge discharge port (14) at the low end of the sedimentation diversion device (12), the sludge settling flushing device (22) is arranged on the box (6) at the side opposite to the flushing sludge discharge port (14), the sludge settling flushing device (22) is connected with a sludge settling flushing pipe (27), and the sludge settling flushing pipe (27) extends to the front of the flushing sludge discharge port (14).

7. The high-efficiency sewage solid-liquid separation device according to claim 6, wherein the spiral filter pressing system comprises a spiral filter press (10), a filter pressing flushing device (15) and a spiral filter pressing structure (28), one end of an outlet of the spiral filter press (10) is connected with a spring cover plate (23), the other end of the spiral filter press (10) is provided with a spiral motor reducer (11), the spiral filter press (10) is provided with the spiral filter pressing structure (28) close to the spring cover plate (23), the filter pressing flushing device (15) is arranged above the spiral filter pressing structure (28), and a filter pressing drainage outlet (24) is formed in the bottom end of the spiral filter pressing structure (28).

8. The high-efficiency sewage solid-liquid separation device according to claim 7, wherein the pitch of the helical blades of the screw filter press (10) ranges from sparse to dense and is 105 mm-140 mm.

9. The high-efficiency sewage solid-liquid separation device according to claim 8, wherein a front cover (26) and a rear cover (25) are arranged on the top surface of the box body (6), and the rear cover (25) is matched with the spiral filter pressing system.

10. A high efficiency solid-liquid separation device for sewage according to any of claims 1 to 9 wherein the bottom of the tank (6) is provided with a plurality of adjustable shock absorbing pads (21).