CN116059705A

CN116059705A - Chicken manure sand removing device and method

Info

Publication number: CN116059705A
Application number: CN202310173898.1A
Authority: CN
Inventors: 李铮; 李洪燕; 胡万通; 李志丹; 曹雨婷; 陈蕾
Original assignee: Beijing Zhenhui Energy Saving And Environmental Protection Technology Co ltd; Huoqiu Huinuo Renewable Energy Technology Co ltd
Current assignee: Beijing Zhenhui Energy Saving And Environmental Protection Technology Co ltd; Huoqiu Huinuo Renewable Energy Technology Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-05-05

Abstract

The invention discloses a chicken manure desanding device and a desanding method, comprising a manure receiving tank, wherein the bottom of the manure receiving tank is communicated with a pump pit, a silt pump is arranged in the pump pit, a stirrer and a sand scraping device for scattering chicken manure are arranged in the manure receiving tank, the sand scraping device comprises a scraping plate, a sand scraping motor and a rotating shaft which is rotationally connected with an output shaft of the sand scraping motor, a desanding pipe is sleeved in the rotating shaft, the bottom end of the desanding pipe penetrates through the rotating shaft to extend into the pump pit and is connected with the output end of the silt pump, and the other end of the desanding pipe extends out of the top of the manure receiving tank and is connected with the input end of a sand-water separator arranged outside the manure receiving tank; the invention not only can realize continuous automatic sand removal, but also has reliable work, no blockage, long service life, good sand removal effect and wide application range, and can effectively improve the sand removal efficiency of chicken manure.

Description

Chicken manure sand removing device and method

Technical Field

The invention relates to the technical field of livestock and poultry raising manure treatment, in particular to a chicken manure sand removal device and a corresponding sand removal method.

Background

In order to meet the increasing demands, the industrial scale of poultry is continuously enlarged, the cultivation density is continuously increased, and correspondingly, the chicken manure is also intensively produced in a large amount. The chicken manure has high nitrogen content and high resource utilization value, and the commonly adopted chicken manure treatment mode is aerobic fermentation for producing organic fertilizer and anaerobic fermentation for producing methane. However, since the chicken feed contains a certain amount of gravel, the chicken manure has a high sand content, and if the chicken manure is not removed during anaerobic treatment, the pipeline at the rear end and the like will be blocked. Therefore, the chicken manure degritting technology is very important for recycling the chicken manure. In some sand removing devices in the prior art, part of sand and stones are still difficult to separate together with excrement, so that the overall sand removing effect is affected, and finally, part of manual assistance is still needed in a sand setting tank to remove sand, so that the sand removal is difficult.

The Chinese patent application with the application number of 200910008638.9 discloses a fecal sand removing device, which comprises a sand setting tank, wherein the sand setting tank is divided into a multi-stage overflow structure through a detachable gate, and sand in the sand setting tank is overflowed step by step and separated through the sand setting tank of the scraper type biogas engineering sand removing device after fecal and water are mixed. Firstly, the technical proposal adopts a plurality of grit chambers for grading and desanding, which has larger occupied area and poorer sanitary condition; secondly, without a stirring and crushing device, part of sand and stones are difficult to separate after being wrapped with the excrement, so that the sand removal effect is affected, and the sand removal is difficult; finally, in the technical scheme, the excrement and gravel after multistage precipitation are piled up in the last sedimentation tank, and need to be cleaned manually and transported to a freight car, so that labor and time cost are increased.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides a high-efficiency chicken manure sand removing device capable of automatically removing sand and stone, and provides a sand removing method.

The aim of the invention is realized by the following technical scheme:

the utility model provides a chicken manure degritting device, includes the dirty receiving tank of excrement, the dirty receiving tank bottom intercommunication of excrement has the pump pit, be equipped with the silt pump in the pump pit, the dirty receiving tank of excrement is inside to be equipped with the agitator that is used for breaking up chicken manure and scrape the sand device, scrape the sand device including scraper blade, scrape sand motor and with scrape the pivot that sand motor output shaft rotated and be connected, the pivot endotheca is equipped with the degritting pipe, the bottom of degritting pipe passes the pivot and extends to in the pump pit and be connected with the output of silt pump, and the other end of degritting pipe extends to the dirty receiving tank top of excrement and is connected with the input that sets up the sand-water separator outside the dirty receiving tank of excrement.

In the above summary of the invention, further, the bottom of the fecal sewage receiving pool is provided with a concave portion in a manner that the periphery is concave towards the middle, and the concave portion is communicated with the pump pit.

In the above summary, further, the lower end fixedly connected with bracing piece of pivot, be equipped with many sand scraping support on the bracing piece, the scraper blade is fixed in the pivot bottom through many sand scraping support, has the clearance between scraper blade and the dirty receiving tank bottom of excrement, and the inclination of scraper blade and the concave part parallel arrangement of dirty receiving tank bottom of excrement.

In the above summary of the invention, further, the top of the excrement receiving tank is further provided with a supporting plate, a rotary supporting box is arranged on the supporting plate, a large gear and a small gear which are meshed with each other are arranged inside the rotary supporting box, the small gear is fixed on an output shaft of the sand scraping motor, the large gear is fixed on the top end of the rotating shaft, the sand scraping motor drives the rotating shaft to rotate through meshing between the large gear and the small gear, and one end of the rotating shaft penetrates through the rotary supporting box and the supporting plate and extends into the excrement receiving tank.

In the above summary of the invention, a speed reducer is further disposed between the scraping motor and the rotary supporting box.

In the above summary of the invention, further, two agitators are disposed in the fecal sewage receiving tank, the two agitators are push-in agitators, the push-in agitators are fixed on the supporting plate, and the agitating part of the push-in agitators extends to the inside of the fecal sewage receiving tank through the supporting plate.

In the above summary of the invention, further, the output end of the sand-water separator is connected with a water pipe and a conveyor belt respectively, and one end of the water pipe passes through the side wall of the fecal sewage receiving pool and extends into the fecal sewage receiving pool.

In the above summary, further, two micro-mixers are further disposed on the silt pump.

The invention also relates to a sand removal method, which comprises the following specific working steps:

s1, firstly, injecting water with a set water level into a fecal sewage receiving pond;

s2, starting two top-in stirrers, discharging chicken manure into a manure receiving tank, diluting the chicken manure by water to control the dry matter concentration of the material to be 10%, and scattering the chicken manure piled up by the two top-in stirrers in the process of pouring the chicken manure into the manure receiving tank;

s3, stirring and uniformly mixing chicken manure and water which are added into the manure receiving tank through two top-in stirrers, so that chicken manure and sand are separated;

s4, after the jacking stirrer starts stirring and uniformly mixing chicken manure for two minutes, starting a sand scraping motor to drive a scraping plate to rotate, and pushing gravel deposited at the bottom of the manure receiving tank into a pump pit;

and S5, after the sand scraping motor is started for twenty minutes, starting a sand pump and a sand-water separator, wherein the sand pump pumps the mixture of the sand and the excrement in the pumping pit and pumps the mixture into the sand-water separator through a sand removing pipe, the sand-water separator separates the sand from the excrement water, the excrement water returns to the receiving tank again, and the sand is transported away.

The beneficial effects of the invention are as follows:

1. the invention is provided with the top-in stirrer, the top-in stirrer can scatter chicken manure when the chicken manure is poured into the manure receiving tank, so that the chicken manure is prevented from being piled up, the blockage is avoided, the sand removal effect is good, and the sand removal efficiency of the chicken manure is effectively improved;

2. the bottom of the excrement receiving pool is communicated with the sand for containing the sand after stirring and precipitation separation, the sand after stirring and precipitation and the chicken manure are timely extracted from the excrement receiving pool through the silt pump and the sand removing pipe, continuous automatic sand removal can be realized without manually cleaning the chicken manure in the process, the work is reliable, the service life of parts is long, and the work efficiency is improved;

3. the invention is also provided with the sand-water separator, the extracted gravel is sent to the sand-water separator to separate the gravel from the manure water, the manure water returns to the receiving tank again, the separated gravel is convenient to transport away, and the device has small occupied area, convenient operation and wide application range.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

fig. 2 is a partial enlarged view of the present invention a.

In the figure, a 1-excrement receiving tank, a 2-pump pit, a 3-silt pump, a 4-stirrer, a 5-sand scraping device, a 51-sand scraping motor, a 52-scraping plate, a 53-rotating shaft, a 54-supporting rod, a 55-sand scraping support, a 6-sand removing pipe, a 7-sand-water separator, an 8-rotary supporting box, a 9-speed reducer, a 10-concave part, an 11-supporting plate, a 12-water conveying pipe and a 13-conveying belt.

Detailed Description

Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.

Examples:

in the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must be provided with a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Referring to fig. 1 and 2, a chicken manure desanding device comprises a manure receiving tank 1, wherein the manure receiving tank 1 is used for mixing manure, a pump pit 2 is communicated with the bottom of the manure receiving tank 1, a silt pump 3 is arranged in the pump pit 2, a stirrer 4 for scattering chicken manure and a sand scraping device 5 are arranged in the manure receiving tank 1, the stirrer 4 breaks up materials poured into the manure receiving tank 1 to prevent chicken manure from piling up, the sand scraping device 5 comprises a scraping plate 52, a sand scraping motor 51 and a rotating shaft 53 which is rotationally connected with an output shaft of the sand scraping motor 51, a sand removing pipe 6 is sleeved in the rotating shaft 53, the bottom end of the sand removing pipe 6 penetrates through the rotating shaft 53 to extend into the pump pit 2 and is connected with an output end of the silt pump 3, and the other end of the sand removing pipe 6 extends out of the top of the manure receiving tank 1 and is connected with an input end of a sand water separator 7 arranged outside the manure receiving tank 1.

In the above embodiment, preferably, the bottom of the fecal sewage receiving pond 1 is provided with a concave portion 10 in a concave manner from the periphery to the middle, and the concave portion 10 is communicated with the pump pit 2. Specifically, the chicken manure and the gravel can be separated in the mixing and stirring process, the gravel sinks under the action of gravity, the settled gravel slides into the pump pit 2 along the inclination angle of the concave part 10, and the gravel is extracted from the pump pit 2 through the silt pump 3.

The lower extreme fixedly connected with bracing piece 54 of pivot 53, be equipped with many sand scraping support 55 on the bracing piece 54, the scraper blade 52 is fixed in the pivot 53 bottom through many sand scraping support 55, has the clearance between scraper blade 52 and the dirty receiving tank 1 bottom of excrement, has certain clearance between scraper blade 52 and the depressed part promptly, and optimally, this clearance sets up to 10cm, and the inclination of scraper blade 52 and the dirty receiving tank 1 bottom of excrement's depressed part 10 parallel arrangement. Specifically, the sand scraper is continuously operated in an operational state, so that the sand deposited at the bottom is pushed into the pump pit 2 by the operated sand scraping motor 51 and scraper 52.

The top of dirty receiving tank 1 of excrement still is equipped with backup pad 11, be equipped with gyration supporting box 8 on the backup pad 11, gyration supporting box 8 inside is equipped with intermeshing's gear wheel and pinion (not marked in the figure), the pinion is fixed on the scraping motor 51 output shaft, the gear wheel is fixed pivot 53 top, the scraping motor 51 drives pivot 53 rotation through the meshing between gear wheel and the pinion, pivot 53 one end passes gyration supporting box 8 and backup pad 11 and extends to the dirty receiving tank 1 of excrement inside. Specifically, because the sand removing pipe 6 is sleeved inside the rotating shaft 53, in order to enable the rotating shaft 53 to drive the scraping plate 52 to operate without influencing the use of the sand removing pipe 6, and further, the supporting plate 11 is provided with the rotary supporting box 8, as shown in fig. 2, a large gear and a small gear meshed with each other are arranged inside the rotary supporting box 8, the rotation of the output shaft of the sand scraping motor 51 drives the small gear to rotate, the large gear is meshed with the small gear to drive the rotating shaft 53 to rotate, the sand removing pipe 6 sleeved inside the rotating shaft 53 is not influenced in the rotating process of the rotating shaft 53 to work, one end of the sand removing pipe 6 can extend to the outside through the rotating shaft 53, the supporting plate 11 and the rotary supporting box 8, and gravel can be conveniently extracted into the sand-water separator 7.

A speed reducer 9 is further arranged between the sand scraping motor 51 and the rotary supporting box, so that the rotating speed of the sand scraping motor 51 is prevented from being too high, and the rotating shaft 53 is prevented from being damaged.

In the foregoing embodiment, preferably, two agitators 4 are disposed in the fecal sewage receiving tank 1, the two agitators 4 are push-in agitators, the push-in agitators are fixed on the supporting plate 11, and the agitating part of the push-in agitators extends to the interior of the fecal sewage receiving tank 1 through the supporting plate 11. The two top-in stirrers scatter the chicken manure poured into the manure receiving tank 1, so that the chicken manure is prevented from forming mounds to be accumulated and the gravel separation is not facilitated.

In the above embodiment, preferably, the output end of the sand-water separator 7 is connected with a water pipe 12 and a conveyor belt 13, respectively, and one end of the water pipe 12 extends into the excrement receiving tank 1 through the side wall of the excrement receiving tank 1. Specifically, the mixture of gravel and manure pumped by the silt pump 3 is pumped into the sand-water separator 7, the gravel is separated from manure water in the sand-water separator 7, the manure water can be returned to the receiving tank for recycling through the water pipe 12, the gravel is transmitted to a freight car through the conveyor belt 13 for carrying away, the whole process is full-automatic, manual conveying of the gravel by workers is not needed, and the working efficiency is improved.

In the above embodiment, preferably, two micro-mixers are further disposed on the silt pump 3. Under normal operating condition, at silt pump 3 sand in-process, two micro-mixer also start, prevent because sand deposit volume is great, lead to pump pit 2 to pile up seriously for silt pump 3 can't start.

The specific working process comprises the following steps:

firstly, injecting water with a set water level into the excrement receiving tank 1, starting two jacking-in stirrers, discharging chicken manure into the excrement receiving tank 1, diluting the chicken manure by water to control the dry matter concentration of the material to be 10%, and scattering the chicken manure piled by the two jacking-in stirrers in the process of pouring the chicken manure into the excrement receiving tank 1 to prevent the chicken manure from piling;

then stirring and uniformly mixing chicken manure and water which are added into the manure receiving tank 1 by two top-in stirrers, so that chicken manure and sand are separated;

under the above steps, after the top-in stirrer starts stirring and mixing chicken manure for two minutes, the sand scraping motor 51 is started to drive the rotating shaft 53 to rotate, so that the scraping plate 52 rotates, and gravel deposited at the bottom of the manure receiving tank 1 is pushed into the pump pit 2 in the rotation process of the scraping plate 52;

finally, twenty minutes after the sand scraping motor 51 is started, the sediment pump 3, the sand-water separator 7 and the conveyor belt 13 are started, the sediment pump 3 pumps the mixture of the sand and the excrement in the pumping pit 2 and pumps the mixture into the sand-water separator 7 through the sand removing pipe 6, the sand-water separator 7 separates the sand from the excrement water, the excrement water returns to the receiving tank through the water pipe 12 and can be recycled, and the sand is conveyed to a freight car through the conveyor belt 13 for carrying away.

The foregoing examples merely illustrate specific embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.

Claims

1. The utility model provides a chicken manure degritting device, includes dirty receiving tank (1) of excrement, its characterized in that, dirty receiving tank (1) bottom intercommunication of excrement has pump pit (2), be equipped with silt pump (3) in pump pit (2), the dirty receiving tank (1) of excrement inside agitator (4) and the scraping device (5) that are used for breaking up chicken manure, scrape sand device (5) including scraper blade (52), scrape sand motor (51) and with scrape sand motor (51) output shaft rotation connection's pivot (53), pivot (53) endotheca is equipped with degritting pipe (6), the bottom of degritting pipe (6) is passed pivot (53) and is extended to in pump pit (2) and be connected with the output of silt pump (3), and the other end of degritting pipe (6) extends to outside excrement dirty receiving tank (1) top and is connected with the input of setting up outside dirty receiving tank (1) sand separator (7).

2. The chicken manure sand removal device according to claim 1, wherein the bottom of the manure receiving tank (1) is provided with a concave part (10) which is arranged in a concave manner from the periphery to the middle, and the concave part (10) is communicated with the pump pit (2).

3. The chicken manure sand removal device according to claim 2, wherein the lower end of the rotating shaft (53) is fixedly connected with a supporting rod (54), a plurality of sand scraping supports (55) are arranged on the supporting rod (54), the scraping plate (52) is fixed at the bottom end of the rotating shaft (53) through the sand scraping supports (55), a gap is reserved between the scraping plate (52) and the bottom of the manure receiving tank (1), and the inclination angle of the scraping plate (52) is parallel to the concave part (10) at the bottom of the manure receiving tank (1).

4. The chicken manure desanding device according to claim 2, characterized in that a supporting plate (11) is further arranged at the top of the manure receiving tank (1), a rotary supporting box (8) is arranged on the supporting plate (11), a large gear and a small gear which are meshed with each other are arranged inside the rotary supporting box (8), the small gear is fixed on an output shaft of a sand scraping motor (51), the large gear is fixed at the top end of the rotating shaft (53), the sand scraping motor (51) drives the rotating shaft (53) to rotate through meshing between the large gear and the small gear, and one end of the rotating shaft (53) penetrates through the rotary supporting box (8) and the supporting plate (11) and extends into the manure receiving tank (1).

5. The chicken manure desanding device of claim 4, wherein a speed reducer (9) is further arranged between the sand scraping motor (51) and the rotary supporting box (8).

6. The chicken manure degritting device according to claim 4, wherein two stirrers (4) are arranged in the manure receiving tank (1), the two stirrers (4) are jacking stirrers, the jacking stirrers are fixed on a supporting plate (11), and stirring parts of the jacking stirrers extend into the manure receiving tank (1) through the supporting plate (11).

7. The chicken manure degritting device according to claim 1, characterized in that the output end of the sand-water separator (7) is respectively connected with a water conveying pipe (12) and a conveying belt (13), and one end of the water conveying pipe (12) penetrates through the side wall of the manure receiving tank (1) and extends into the manure receiving tank (1).

8. The chicken manure sand removal device according to claim 1, wherein two micro-mixers are further arranged on the sediment pump (3).

9. A method for removing sand based on the chicken manure sand removing device as claimed in any of claims 1 to 8, characterized by comprising the following specific working steps:

s1, injecting water with a set water level into a fecal sewage receiving pond (1);

s2, starting two top-in stirrers, discharging chicken manure into a manure receiving tank (1), diluting the chicken manure by water to control the dry matter concentration of the material to be 10%, and scattering the chicken manure piled up by the two top-in stirrers in the process of pouring the chicken manure into the manure receiving tank (1);

s3, stirring and uniformly mixing chicken manure and water which are added into the manure receiving tank (1) through two top-in stirrers, so that chicken manure and sand are separated;

s4, after the jacking stirrer starts stirring and uniformly mixing chicken manure for two minutes, starting a sand scraping motor (51) to drive a scraping plate (52) to rotate, and pushing gravel deposited at the bottom of the manure receiving tank (1) into a pump pit (2);

s5, after the sand scraping motor (51) is started for twenty minutes, starting the sand pump (3) and the sand-water separator (7), wherein the sand pump (3) pumps the mixture of the sand and the excrement in the pumping pit (2) into the sand-water separator (7) through the sand removing pipe (6), the sand-water separator (7) separates the sand from the excrement water, the excrement water returns to the receiving tank again, and the sand is transported away.