CN210085233U

CN210085233U - Livestock and poultry manure sewage dewatering system

Info

Publication number: CN210085233U
Application number: CN201920285193.8U
Authority: CN
Inventors: 黄欣武; 李书宝
Original assignee: Jiangsu Tiaoqiao Environmental Engineering Co Ltd
Current assignee: Jiangsu Tiaoqiao Environmental Engineering Co Ltd
Priority date: 2019-03-06
Filing date: 2019-03-06
Publication date: 2020-02-18
Anticipated expiration: 2029-03-06

Abstract

The utility model provides a beasts and birds excrement sewage dewatering system relates to sewage excrement treatment facility technical field, has solved the not thorough technical problem of separator solid-liquid separation. The livestock and poultry manure dehydration system comprises a drainage box, a solid-liquid partition device, an intermediate treatment device, a material conveying device, a centrifugal separation device and a spiral pushing device, wherein the centrifugal separation device is arranged in the drainage box and is positioned above the intermediate treatment device; the middle treatment device comprises an upward convex supporting plate, a first discharge port and a second discharge port, wherein the first discharge port and the second discharge port are arranged at two ends of the supporting plate, a filter column is arranged on the first discharge port, a plurality of layers of filter screens are sequentially arranged in the filter column, and a funnel part is arranged at the bottom of the drainage box. The utility model discloses make the excrement after centrifugal separation dirty enter into intermediate treatment device in, carry out the separation of stewing many times, separate more thoroughly, the high arc fagging of both sides low in the middle of, the infundibulate of drain box bottom for liquid and solid can flow out under the action of gravity, avoid piling up in the system.

Description

Livestock and poultry manure sewage dewatering system

Technical Field

The utility model belongs to the technical field of dirty excrement treatment facility technique and specifically relates to a separation effect is good, no solid and liquid accumulational beasts and birds excrement sewage dewatering system is related to.

Background

At present, livestock and poultry breeding pollution treatment becomes a mandatory measure for national agricultural emission reduction, and solid-liquid separation of sewage and manure is a key reduction process for realizing standard treatment of livestock and poultry farms. However, the traditional mechanical solid-liquid separation equipment generally adopts two methods of mechanical vibration screening and screw extrusion, and the violent vibration of the sewage and the excrement causes that the separated basically is a small amount of undigested feed residues such as bran and the like, the separation rate is extremely low, most of the sewage and the nutrient components thereof are discharged into the next treatment facility, the concentration load of a sewage treatment system is greatly increased, the standard treatment target is difficult to achieve, and the serious extrusion of the sewage and the sewage still has a large amount of solid excrement in the filtered water, so that the solid-liquid separation is incomplete, and simultaneously, the trouble is brought to the subsequent sewage treatment.

The applicant has found that the prior art has at least the following technical problems:

at present, a centrifugal livestock and poultry manure dewatering device which is provided with a centrifugal barrel mechanism and is used for carrying out secondary separation on sewage separated by a solid-liquid separator and separating residual solid manure from the sewage so as to further improve the solid-liquid separation efficiency is also available in the market, although the secondary centrifugal separation is adopted to improve a certain separation efficiency, because the rotating speed of the centrifugal separation barrel is fast, the centrifugal acting force is large, dissolved soft solid manure is easy to fall into a drainage box along with liquid sewage in the centrifugal separation process, and the solid-liquid separation is not thorough; moreover, the bottom of the drainage box is a plane, and when the length of the drainage box is longer, liquid accumulation and residue are easily formed on the side far away from the drainage outlet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a separation effect is good, there is not accumulational beasts and birds excrement dewatering system of solid and liquid to solve the not thorough technical problem of separator solid-liquid separation that exists among the prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of beasts and birds excrement and sewage dewatering system, include

The top of the drainage tank is provided with a sewage inlet, the side part of the drainage tank is provided with a second solid sewage outlet, and the bottom of the drainage tank is provided with a first solid sewage outlet and a water outlet;

the solid-liquid partitioning device is arranged in the drainage box and is positioned between the first solid sewage discharge port and the water discharge port, the inner cavity of the drainage box is divided into a left part and a right part which are respectively a liquid manure area and a solid manure area, and the second solid sewage discharge port is positioned in the liquid manure area;

the intermediate treatment device is horizontally arranged in the drainage box and divides the liquid manure area and the solid manure area into an upper part and a lower part respectively; a first discharge port and a second discharge port are respectively arranged on the intermediate treatment device corresponding to the liquid manure area and the solid manure area;

the material conveying device is arranged in the liquid manure area, and two ends of the material conveying device are respectively connected with the second solid sewage discharge outlet and the first discharge outlet;

a centrifugal separation device disposed in the drain tank and above the intermediate treatment device; a third discharge port is formed in the centrifugal separation device corresponding to the liquid manure area, and a fourth discharge port is formed in the centrifugal separation device corresponding to the solid manure area; the sewage inlet is connected with the inside of the centrifugal separation device through a conveying pipe;

and the spiral pushing device is arranged in the centrifugal separation device and used for pushing the solid manure to the right side from the left side of the centrifugal separation device so as to discharge the solid manure into the drainage box from the fourth discharge port.

As a further improvement, the intermediate treatment device includes the area with the same fagging of drain box inner chamber area and setting are in cavity on the first discharge gate filters the post, sets up filter screen subassembly, setting in filtering the post inner chamber are in on the filter column lateral wall with filter screen subassembly position assorted through-hole runs through, pass the material device with the through-hole is connected.

As a further improvement, the fagging is middle convex curved arc board or middle convex board of bending that makes progress, first discharge gate with the second discharge gate is located respectively the lower in fagging both ends.

As a further improvement, the filter column is of a rectangular cylinder structure, and the length of the filter column is the same as the width of the inner cavity of the drainage box.

As a further improvement of the utility model, the filter screen subassembly includes the edge filter column direction of height sets up a plurality of range upon range of filter screens, all the filter screen slope sets up.

As a further improvement of the utility model, all the filter screen inclination directions are the same.

As a further improvement of the present invention, the filter mesh aperture below is smaller than the filter mesh aperture above.

As a further improvement, the material conveying device is arranged obliquely, the second solid sewage outlet is connected with the filter plate between the first discharge ports, and the aperture of the filter plate is smaller than the aperture of the finest filter screen in the filter screen assembly.

As a further improvement of the utility model, the drain box bottom corresponds to solid-liquid partition device both sides are equipped with a convex funnel portion downwards respectively, first solid drain with the outlet is established respectively two the lower of funnel portion.

As a further improvement of the utility model, the second solid drain with first discharge gate is the rectangular hole, its respectively with drainage box inner chamber width with the fagging width is the same.

Compared with the prior art, the utility model following beneficial effect has:

the utility model discloses a set up middle processing apparatus in the centrifugal separation device outside, make the excrement after centrifugal separation dirty enter into middle processing apparatus in, it makes the dirty separation of solid excrement and liquid excrement more thoroughly to stew solid-liquid separation many times, and through setting middle processing apparatus to the low arc structure in middle high both sides, through being provided with the infundibulate with the drain tank bottom portion, make liquid and solid can flow out under the action of gravity, avoid piling up in the system, it is effectual to have a separation, and is easy and simple to handle, simple structure's characteristics.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the livestock and poultry manure dewatering system.

In the figure 1, a drainage tank; 11. a sewage inlet; 12. a first solid sewage drain; 13. a second solid sewage drain outlet; 14. a water outlet; 15. a funnel part; 2. a solid-liquid partitioning device; 3. an intermediate processing device; 31. a first discharge port; 32. a second discharge port; 33. a supporting plate; 34. a filtration column; 35. a screen assembly; 351. a filter screen; 36. a through hole is penetrated; 4. a material conveying device; 5. a centrifugal separation device; 51. a third discharge port; 52. A fourth discharge port; 100. a liquid manure area; 200. a feces fixing area.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a livestock and poultry excrement dewatering system, include

The top of the drainage tank 1 is provided with a sewage inlet 11, the side part of the drainage tank is provided with a second solid sewage outlet 13, and the bottom of the drainage tank is provided with a first solid sewage outlet 12 and a water outlet 14;

the solid-liquid partition device 2 is arranged in the drainage box 1 and is positioned between the first solid sewage outlet 12 and the drainage outlet 14, the inner cavity of the drainage box 1 is divided into a left part and a right part which are respectively a liquid manure area 100 and a solid manure area 200, and the second solid sewage outlet 13 is positioned in the liquid manure area 100;

the intermediate treatment device 3 is horizontally arranged along the length direction of the drainage box 1 and divides the liquid manure area 100 and the solid manure area 200 into an upper part and a lower part respectively; the intermediate treatment device 3 is provided with a first discharge port 31 and a second discharge port 32 corresponding to the liquid manure area 100 and the solid manure area 200 respectively;

the material conveying device 4 is arranged in the liquid manure area 100, and two ends of the material conveying device 4 are respectively connected with the second solid sewage outlet 13 and the first discharge hole 31;

a centrifugal separation device 5 disposed in the drainage tank 1 and above the intermediate treatment device 3; the two ends of the centrifugal separation device 5 are respectively positioned in the liquid manure area 100 and the solid manure area 200, a third discharge hole 51 is formed in the position, corresponding to the liquid manure area 100, of the centrifugal separation device 5, and a fourth discharge hole 52 is formed in the position, corresponding to the solid manure area 200, of the centrifugal separation device 5; the sewage inlet 11 is connected with the inside of the centrifugal separation device 5 through a conveying pipe; centrifugal separation device 5 includes the centrifugal barrel, and the centrifugal barrel includes straight section and necking down section, and straight section adopts the wire net to make, and the necking down section adopts the steel sheet to make, and third discharge gate 51 is the mesh on the straight section of centrifugal barrel.

And the spiral pushing device is arranged in the centrifugal separation device 5 and used for pushing the solid excrement to the right side from the left side of the centrifugal separation device 5 so as to discharge the solid excrement into the drainage box 1 from the fourth discharge hole 52.

It should be noted that, in the present invention, the centrifugal separation device 5 and the spiral pushing device are implemented by using the products in the prior art, such as 201721818356.1 named as a device for dehydrating feces and urine of livestock and poultry, and will not be described again.

As an optional embodiment, the intermediate treatment device 3 comprises a supporting plate 33 with the same area as the inner cavity area of the drainage box 1, a hollow filter column 34 arranged on the first discharge port 31, a filter screen assembly 35 arranged in the inner cavity of the filter column 34, and a through hole 36 arranged on the side wall of the filter column 34 and matched with the filter screen assembly 35 in position, and the material transfer device 4 is connected with the through hole 36.

As an alternative embodiment, the supporting plate 33 is a bent plate with an upward convex middle or a bent plate with an upward convex middle, and the first discharging hole 31 and the second discharging hole 32 are respectively located at the lowest positions of the two ends of the supporting plate 33.

It should be noted that, in the utility model, the filtering column 34 is a rectangular column structure, and the length of the filtering column 34 is the same as the width of the inner cavity of the drainage box 1.

As an alternative embodiment, the filter screen assembly 35 includes a plurality of stacked filter screens 351 arranged along the height direction of the filter column 34, all the filter screens 351 are arranged obliquely, and the lower end of each filter screen 351 corresponds to one through hole 36. The material conveying device 4 is connected with the through hole 36 at the lowest position.

In an alternative embodiment, all the filter screens 351 are inclined in the same direction, and at the same or different inclination angles.

As an alternative embodiment, the aperture of the lower filter screen 351 is smaller than the aperture of the upper filter screen 351.

It should be noted that in the utility model discloses in, pass material device 4 and set up the filter between second solid drain 13 and first discharge gate 31 for the slope, the aperture of filter is less than the finest filter screen aperture among all filter screen assemblies 35.

In order to facilitate the discharge of liquid and solid, the bottom of the drainage box 1 is provided with a funnel part 15 which protrudes downwards corresponding to the two sides of the solid-liquid partition device 2, and the first solid sewage discharge outlet 12 and the water discharge outlet 14 are respectively arranged at the lowest part of the two funnel parts 15.

It should be noted that, in the utility model, the second solid sewage outlet 13 and the first discharge port 31 are rectangular holes, which are the same as the width of the inner cavity of the drainage box 1 and the width of the supporting plate 33.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A livestock and poultry manure dewatering system is characterized by comprising

2. The livestock and poultry manure dewatering system as claimed in claim 1, wherein the intermediate treatment device comprises a supporting plate with the same area as that of the inner cavity of the drainage box, a hollow filter column arranged on the first discharge port, a filter screen assembly arranged in the inner cavity of the filter column, and a through hole arranged on the side wall of the filter column and matched with the filter screen assembly in position, and the material conveying device is connected with the through hole.

3. The livestock and poultry manure dewatering system as claimed in claim 2, wherein the supporting plate is a curved plate protruding upward from the middle or a bent plate protruding upward from the middle, and the first discharge port and the second discharge port are respectively located at the lowest positions of the two ends of the supporting plate.

4. The livestock and poultry manure dewatering system as claimed in claim 2, wherein the filter column is of a rectangular cylinder structure, and the length of the filter column is the same as the width of the inner cavity of the drainage box.

5. The livestock and poultry manure dewatering system of claim 2, 3 or 4, wherein the filter screen assembly comprises a plurality of stacked filter screens arranged along the height direction of the filter column, and all the filter screens are arranged obliquely.

6. Livestock and poultry manure dewatering system according to claim 5, characterized in that all the filter screens are inclined in the same direction.

7. Livestock and poultry manure dewatering system according to claim 5, characterized in that the pore size of the filter screen located below is smaller than the pore size of the filter screen located above.

8. Livestock and poultry manure dewatering system according to claim 7, characterized in that the material transfer means is a filter plate arranged obliquely between the second solid discharge outlet and the first discharge outlet, the pore size of the filter plate being smaller than the pore size of the finest filter screen in the filter screen assembly.

9. The livestock and poultry manure dewatering system as claimed in claim 1, wherein a downwardly protruding funnel part is respectively arranged at the bottom of the drainage box corresponding to two sides of the solid-liquid partition device, and the first solid sewage outlet and the water outlet are respectively arranged at the lowest position of the two funnel parts.

10. The livestock and poultry manure dewatering system as claimed in claim 2, wherein the second solid sewage discharge outlet and the first discharge outlet are rectangular holes which are the same as the width of the inner cavity of the drainage box and the width of the supporting plate, respectively.