CN219784054U

CN219784054U - Multilayer solid-liquid separation machine

Info

Publication number: CN219784054U
Application number: CN202322223862.8U
Authority: CN
Inventors: 龚铁山; 龚铁纪; 周映华; 曹发
Original assignee: Hunan Lv Jie Agriculture Development Ltd
Current assignee: Hunan Lv Jie Agriculture Development Ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2023-10-03
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses a multilayer solid-liquid separator which comprises a frame, at least more than three groups of waste water separation mechanisms obliquely arranged on the frame, a water collecting cylinder body arranged below the waste water separation mechanism, a solid storage bin arranged at one end of the waste water separation mechanism and a solid material extrusion mechanism arranged below the solid storage bin; the waste water separating mechanisms are arranged up and down, and each waste water separating mechanism comprises a roller frame, a flexible net detachably arranged outside the roller frame, a main shaft arranged along the central axis of the roller frame and a driving mechanism for driving the main shaft to rotate; one end of the main shaft, which is close to the solid storage bin, is lower than the other end of the main shaft, and one end of the water collecting cylinder, which is far away from the solid storage bin, is obliquely arranged downwards relative to the horizontal direction and is provided with a liquid discharge pipeline; wherein, at least one group of flexible nets of the waste water separation mechanism are spliced by flexible nets with different meshes. Convenient installation and replacement, high separation efficiency and no residue in flushing.

Description

Multilayer solid-liquid separation machine

Technical Field

The utility model relates to the technical field of cultivation wastewater treatment, in particular to a multilayer solid-liquid separator.

Background

In recent years, the breeding industry rapidly develops, and the generated environmental problem has more and more serious influence on daily life and health of people. Among them, the cultivation wastewater is particularly prominent. With the implementation of new environmental protection measures, new requirements are put forward on the treatment process and the emission standard of the cultivation wastewater. When the cultivation wastewater is treated, solid-liquid separation is indispensable, and the quality of the separation effect directly influences the cost of sewage treatment and the sewage treatment process.

The solid-liquid separator (also called pig manure dehydrator or pig manure-urine separator) can separate the sewage containing the pollutants such as pig manure, duck manure, cow manure, chicken manure and the like into liquid fertilizer and solid manure residues. The liquid fertilizer can be directly used for crop utilization and absorption, the solid manure can be transported to a fertilizer-lacking area for use, the effect of improving the soil structure can be achieved, and meanwhile, the organic compound fertilizer can be prepared through fermentation.

At present, common culture wastewater solid-liquid separators in the market include extrusion type solid-liquid separators, inclined screen type solid-liquid separators, cylindrical type solid-liquid separators, vibration type solid-liquid separators and the like. On one hand, the screens of the solid-liquid separators are mainly steel wire meshes or steel bars and are mainly fixed on the separator keels in a welding, rivet, screw and other modes, so that the filtering effect is poor; on the other hand, there are problems of complicated installation and inconvenient replacement. In addition, the existing solid-liquid separator adopts one-time separation, has no fine separation through simple solid-liquid separation, has poor separation effect and is easy to block. The water collecting cylinder body at the lower end of the separator is a cylindrical cylinder body, and residues in the cylinder body are difficult to wash.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a multi-layer solid-liquid separator which comprises a frame, at least more than three groups of waste water separation mechanisms obliquely arranged on the frame, a water collecting cylinder arranged below the waste water separation mechanism, a solid storage bin arranged at one end of the waste water separation mechanism and a solid material extrusion mechanism arranged below the solid storage bin;

the waste water separating mechanisms are arranged up and down, and each waste water separating mechanism comprises a roller frame, a flexible net detachably arranged outside the roller frame, a main shaft arranged along the central axis of the roller frame and a driving mechanism for driving the main shaft to rotate; one end of the main shaft, which is close to the solid bin, is lower than the other end of the main shaft, and a liquid inlet arranged on the roller frame is communicated with wastewater to be separated; the liquid outlet of the liquid discharge pipeline of the upper-layer waste water separation mechanism is arranged in the roller frame of the lower-layer waste water separation mechanism which is adjacently arranged;

one end of the water collecting cylinder body, which is far away from the solid storage bin, is obliquely arranged downwards relative to the horizontal direction, and a liquid discharge pipeline is arranged;

the solid bin comprises a feed inlet and a discharge outlet positioned at the bottom of the solid bin and used for collecting waste residues discharged by the waste water separator;

wherein, at least one group of flexible nets of the waste water separation mechanism are spliced by flexible nets with different meshes.

Preferably, the upper end of the water collecting cylinder body is provided with an opening, the cross section of the water collecting cylinder body is a stepped groove, and a flushing groove is formed at the bottom of the water collecting cylinder body; the water collecting cylinder body comprises a first inclined plate and a second inclined plate which are arranged by outwards inclining and extending from two sides of the flushing groove, and guard plates which are arranged by upwards extending from the upper ends of the first inclined plate and the second inclined plate.

Preferably, the solid material extrusion mechanism comprises a charging barrel, an auger shaft arranged in the charging barrel, and a first motor for driving the auger shaft to rotate, wherein a discharge opening is formed in one end of the charging barrel, and a filtering hole is formed in the bottom of the charging barrel.

Preferably, the mesh numbers of the flexible nets of the plurality of waste water separation mechanisms are different, wherein the mesh number of the flexible nets of the upper waste water separation mechanism is smaller than that of the flexible nets of the lower waste water separation mechanism which is adjacently arranged.

Preferably, the flexible net of the upper waste water separation mechanism is formed by splicing at least 2 first flexible nets and second flexible nets with different meshes.

Preferably, the mesh number of the first flexible net is smaller than that of the flexible net of the lower-layer waste water separation mechanism, and the mesh number of the second flexible net is larger than that of the lower-layer flexible net.

Preferably, the second flexible web is 180 mesh and the first flexible web is 40 mesh.

Preferably, the automatic back washing machine further comprises a back washing mechanism arranged in the roller frame, wherein the back washing mechanism comprises a water supply pipeline and a spray head; the water supply pipeline is arranged at the outer side of the roller frame along the length direction of the roller frame; a water valve is arranged on the water supply pipeline; the number of the spray heads is multiple, and the spray heads are arranged on the water supply pipeline at intervals and face the flexible net.

Preferably, the flexible net is a nylon net or a polytetrafluoroethylene net.

Preferably, the roller frame further comprises a cover body arranged above the roller frame.

The beneficial effects of the utility model are that

(1) According to the waste water separation mechanism, the solid-liquid separation effect can be improved through the roller frame and the water collecting barrel body which are reversely and obliquely arranged; the flexible net is detachably arranged outside the roller frame, so that the roller frame is convenient to install and replace; in addition, the flexible net has better plasticity, so that the solids in the wastewater falling on the net surface are repeatedly impacted due to elasticity, the liquid flows out through the meshes, the solids are remained in the roller, and the effect of solid-liquid separation is obviously improved. The cross section of the water collecting cylinder body is a stepped groove, and a flushing groove is formed at the bottom, so that the water collecting cylinder body is easier to flush and has no residue.

(2) In the utility model, three or more groups of wastewater separating mechanisms are adopted, and are arranged up and down, and the waste liquid separating effect is better through the combination of primary filtration and fine filtration by three or more stages of filtration; the flexible nets in the upper group and the lower group are different in mesh number, and the mesh apertures of the flexible nets in each group can be set in different sizes, so that the separation effect is better, and the flexible net can be prevented from being blocked.

(3) The utility model combines the back flushing mechanism on the waste water separation mechanism, which can solve the problem of filter screen blockage.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of a front view structure of the present utility model;

FIG. 3 is a schematic view of the structure of the water collecting cylinder of the present utility model;

FIG. 4 is a schematic structural view of a first flexible web of the present utility model;

the device comprises a 10-rack, a 20-waste water separation mechanism, a 23-roller frame, a 24-flexible net, a 25-main shaft, a 26-driving mechanism, a 27-liquid inlet, a 28-liquid outlet, a 30-water collecting cylinder, a 31-liquid discharge pipeline, a 32-flushing tank, a 33-first inclined plate, a 34-second inclined plate, a 35-guard plate, a 40-solid bin, a 41-material inlet, a 42-material outlet, a 50-solid material extrusion mechanism, a 51-material cylinder, a 52-auger shaft, a 53-first motor, a 54-material outlet, a 55-filtering hole, a 60-cover body, a 70-back flushing mechanism, a 71-water supply pipeline and a 72-spray head.

Detailed Description

The present utility model will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present utility model.

Referring to fig. 1 to 4

The utility model provides a multi-layer solid-liquid separator, referring to fig. 1 and 2, comprising a frame 10, at least three groups of wastewater separator mechanisms 20 obliquely arranged on the frame 10, a water collecting cylinder 30 arranged below the wastewater separator mechanisms 20, a solid storage bin 40 arranged at one end of the wastewater separator mechanisms 20 and a solid material extrusion mechanism 50 arranged below; the wastewater separator 20 comprises a roller frame 23, a flexible net 24 detachably arranged outside the roller frame 23, a main shaft 25 arranged along the central axis of the roller frame 23 and a driving mechanism 26 for driving the main shaft 25 to rotate; the driving mechanism 26 is driven by a motor, the flexible net 24 is detachable, and the screen mesh is low in cost and easy to replace. In addition, the flexible net has better plasticity, so that the solids in the wastewater falling on the net surface are repeatedly impacted due to elasticity, the liquid flows out through the meshes, the solids are remained in the roller, and the effect of solid-liquid separation is obviously improved. One end of the main shaft 25, which is close to the solid bin 40, is lower than the other end of the main shaft 25, and a liquid inlet 27 formed in the roller frame 23 is communicated with wastewater to be separated; the inclination angle of the main shaft 25 is 2-30 degrees. One end of the water collecting cylinder 30, which is far away from the solid bin 40, is arranged obliquely downwards relative to the horizontal direction, and is provided with a liquid discharge pipeline 31; the solid bin 40 comprises a feed inlet 41 and a discharge outlet 42 positioned at the bottom of the solid bin and used for collecting waste residues discharged by the waste water separator. The feed inlet 41 is located near the bottom of the roller frame 23, and the waste liquid is rotationally filtered in the cylinder due to the inclined arrangement of the roller frame, and the waste residue is discharged from the tail into the feed inlet 41. The solid bin 40 can be correspondingly arranged according to the number of the wastewater separator mechanisms, a plurality of solid bins can be arranged in an up-down superposition way, and the discharge port of the solid bin positioned at the upper part is aligned with the feed port of the solid bin positioned at the lower part. Wherein, at least one group of flexible nets 24 of the waste water separation mechanism are spliced by flexible nets with different meshes. A liquid outlet 28 of a liquid discharge pipeline 31 of the upper wastewater separator mechanism is arranged in a roller frame 23 of the lower wastewater separator mechanism which is adjacently arranged; a water valve is arranged on the liquid discharge pipeline 31; the water collecting cylinder body 30 and the roller frame 23 are made of 304 stainless steel, so that the water collecting cylinder is high in corrosion resistance, high in strength, long in service life and smooth in appearance.

In one embodiment, referring to fig. 3, the upper end of the water collecting cylinder 30 is provided with an opening, the cross section of the bottom of the water collecting cylinder is a stepped groove, and a flushing groove 32 is formed at the bottom of the water collecting cylinder, so that the water collecting cylinder is easier to flush without residues. Further, the water collecting cylinder 30 includes a first inclined plate 33 and a second inclined plate 34 extending from both sides of the flushing groove 32 obliquely outward, and a guard plate 35 extending from upper ends of the first inclined plate 33 and the second inclined plate 34 upward.

In one embodiment, the solid material extruding mechanism 50 includes a material cylinder 51, a screw shaft 52 disposed in the material cylinder 51, and a first motor 53 for driving the screw shaft to rotate, one end of the material cylinder 51 is provided with a material outlet 54, and a filtering hole 55 is disposed at the bottom of the material cylinder 51.

In one embodiment, the flexible mesh of the plurality of waste water separation mechanisms is different, wherein the flexible mesh of the upper waste water separation mechanism is smaller than the flexible mesh of the lower waste water separation mechanism. For the three-layer structure, the flexible mesh number of each layer of waste water separation mechanism is sequentially increased from top to bottom, and the separation effect of each layer can be obviously improved through the grading arrangement.

In one embodiment, referring to fig. 4, the flexible net of the upper waste water separation mechanism is formed by splicing at least 2 pieces of first flexible net and second flexible net with different mesh numbers. By setting the pore sizes of the flexible net 24 differently, the slag-liquid separation speed is high, and the flexible net can be prevented from being blocked. The upper layer, if three or more layers are used, means the uppermost layer.

Further, the first flexible mesh has a mesh number less than that of the flexible mesh 24 of the underlying waste water separation mechanism, and the second flexible mesh has a mesh number greater than that of the underlying flexible mesh 24.

Further, the second flexible mesh is 180 mesh and the first flexible mesh is 40 mesh.

In one embodiment, the device further comprises a back flushing mechanism 70 arranged in the roller frame 23, wherein the back flushing mechanism 70 comprises a water supply pipeline 71 and a spray head 72; the water supply pipe 71 is provided outside the drum frame 23 in the longitudinal direction of the drum frame 23; a water valve is provided on the water supply line 71; the number of the spray heads 72 is plural, and are disposed at intervals on the water supply line 71 and directed toward the flexible web 24.

In one embodiment, the flexible mesh 24 is a nylon mesh or a polytetrafluoroethylene mesh.

In one embodiment, the device further comprises a cover 60 arranged above the roller frame 23, wherein the cover 60 is used for preventing waste water from splashing when the roller frame 23 rotates for filtering.

When the multilayer solid-liquid separator separates wastewater, the operation process is as follows:

firstly, wastewater to be separated flows into a roller frame 23 in an upper wastewater separation mechanism above through a liquid inlet 27, the roller frame 23 is driven to rotate by a motor of a driving mechanism 26, sewage is uniformly distributed on a flexible net 24, and solid particles are separated for the first time through the corresponding flexible net 24 by virtue of the centrifugal force and gravity of flowing water; the separated liquid enters the water collecting cylinder 30, the cylinder rotates, the solid materials gathered on the flexible net 24 fall down in a rotating way, and the separated solid materials enter the solid material bin 40;

secondly, when the liquid in the water collecting cylinder 30 positioned above is collected fully or reaches a target liquid level, a water valve on a liquid discharge pipeline 31 is opened, the liquid flows into a roller frame 23 in the wastewater separator mechanism 20 positioned below through the liquid outlet 28, and the second separation is completed through the corresponding flexible net 24; the separated liquid enters the water collecting cylinder 30, and when the liquid in the water collecting cylinder 30 is fully collected or reaches a target liquid level, a water valve on a liquid discharge pipeline 31 of the water collecting cylinder is opened to be discharged; the separated solid material enters the solid material bin 40; in turn, multiple separations are completed.

During the separation operation, the back flushing mechanism 70 is timely started to flush the flexible net 24 according to the separation condition of the flexible net 24, so that the blockage is avoided; the self-cleaning flushing and the continuous collection of solids are realized.

Finally, the solid materials in the solid material bin 40 are discharged into the solid material extrusion mechanism 50 through the discharge hole 42, and the solid materials are discharged after further treatment.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 devices or elements 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.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like 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 can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing is a further detailed description of the utility model in connection with specific embodiments, and it is not intended that the utility model be limited to such description. It will be apparent to those skilled in the art that several simple deductions or substitutions can be made without departing from the spirit of the utility model.

Claims

1. The multi-layer solid-liquid separator is characterized by comprising a frame, at least more than three groups of waste water separation mechanisms obliquely arranged on the frame, a water collecting cylinder body arranged below the waste water separation mechanism, a solid storage bin arranged at one end of the waste water separation mechanism and a solid material extrusion mechanism arranged below the solid storage bin;

the solid bin comprises a feed inlet and a discharge outlet positioned at the bottom of the solid bin;

2. The multi-layer solid-liquid separator according to claim 1, wherein the upper end of the water collecting cylinder is provided with an opening, the cross section of the water collecting cylinder is a stepped groove, and a flushing groove is formed at the bottom of the water collecting cylinder; the water collecting cylinder body comprises a first inclined plate and a second inclined plate which are arranged by outwards inclining and extending from two sides of the flushing groove, and guard plates which are arranged by upwards extending from the upper ends of the first inclined plate and the second inclined plate.

3. The multi-layer solid-liquid separator according to claim 1, wherein the solid material extruding mechanism comprises a charging barrel, an auger shaft arranged in the charging barrel, and a first motor for driving the auger shaft to rotate, one end of the charging barrel is provided with a discharge port, and the bottom of the charging barrel is provided with a filtering hole.

4. The multi-layer solid-liquid separator according to claim 1, wherein the flexible mesh numbers of the plurality of the waste water separation mechanisms are different, wherein the flexible mesh number of the upper waste water separation mechanism is smaller than the flexible mesh number of the lower waste water separation mechanism adjacently arranged.

5. The multi-layer solid-liquid separator according to claim 4, wherein the flexible net of the upper waste water separation mechanism is formed by splicing at least 2 first flexible nets and second flexible nets with different mesh numbers.

6. The multi-layer solid-liquid separator according to claim 5, wherein the mesh number of the first flexible net is smaller than the mesh number of the flexible net of the underlying wastewater separation mechanism, and the mesh number of the second flexible net is larger than the mesh number of the underlying flexible net.

7. The multi-layer solid-liquid separator according to claim 6, wherein the second flexible mesh is 180 mesh and the first flexible mesh is 40 mesh.

8. The multi-layered solid-liquid separator of claim 1, further comprising a back flush mechanism disposed within the drum frame, the back flush mechanism comprising a water supply line and a spray head; the water supply pipeline is arranged at the outer side of the roller frame along the length direction of the roller frame; a water valve is arranged on the water supply pipeline; the number of the spray heads is multiple, and the spray heads are arranged on the water supply pipeline at intervals and face the flexible net.

9. The multi-layer solid-liquid separator according to claim 1, wherein the flexible net is a nylon net or a polytetrafluoroethylene net.

10. The multi-layer solid-liquid separator according to claim 1, further comprising a cover disposed over the roller frame.