CN111253022A - Cow dung sand washing tank and method - Google Patents

Abstract

The invention discloses a cow dung sand washing tank and a method, comprising a settling tank, a first conveying mechanism, a second conveying mechanism, a water return pipeline and a dung pumping mechanism, wherein the first conveying mechanism is arranged at the bottom side of the interior of the settling tank; one end of the excrement pumping mechanism extends into the settling tank, and the other end of the excrement pumping mechanism is positioned outside the settling tank; the water return pipeline is communicated with the settling tank and is used for returning the filtered water from the second conveying mechanism and the excrement pumping mechanism to the settling tank. The invention can automatically operate and has high use efficiency.

Description

Cow dung sand washing tank and method

Technical Field

The invention relates to the field of agricultural machinery, in particular to a cow dung sand washing tank and a method.

Background

The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art. The inventor finds that fine sand cushion fences are mostly adopted for culturing cattle in places such as Ningxia, inner Mongolia and the like in China, and the feces of the cattle fences are necessarily carried with a large amount of fine sand. The fine sand carried in the cow dung not only influences the reutilization of the cow dung, but also needs to be periodically supplemented with sand. At present, large-scale sand settling tanks are mostly adopted for middle and large-scale breeding enterprises to wash sand from cow dung in a mode of manually stirring and periodically digging sand by engineering trucks, and the operation mode is more traditional, consumes energy, consumes time and is more labor.

The inventor thinks that the prior working method for washing the sand of the cow dung by the mode of manually washing, stirring and periodically digging the sand by the engineering truck is substantially to realize the separation of the cow dung and the sand. The density of the sand mixed in the cow dung is different from that of the cow dung, so the cow dung and the sand can be separated by using the sand settling tank. The current manual operation method restricts the further improvement of the working efficiency of the method.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a cow dung sand washing tank which can solve the problem of low efficiency of the existing device, can automatically operate and has high use efficiency.

In order to realize the purpose, the invention discloses the following technical scheme:

in a first aspect, an embodiment of the invention provides a cow dung sand washing tank, which comprises a settling tank, a first conveying mechanism, a second conveying mechanism, a water return pipeline and a dung pumping mechanism, wherein the first conveying mechanism is arranged at the bottom side of the interior of the settling tank, the starting end of the second conveying mechanism is positioned in the settling tank, and the second conveying mechanism can receive materials of the first conveying mechanism and convey the materials to the outside of the settling tank; one end of the excrement pumping mechanism extends into the settling tank, and the other end of the excrement pumping mechanism is positioned outside the settling tank; the water return pipeline is communicated with the settling tank and is used for returning the filtered water from the second conveying mechanism and the excrement pumping mechanism to the settling tank.

With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, where the first conveying mechanism includes a belt conveyor, and an outer surface of a belt of the belt conveyor is provided with a plurality of filter hoppers, and a plurality of filters are all capable of filtering deposited sand to allow water to pass through; the second conveying mechanism comprises a belt conveyor, a plurality of filter hoppers are arranged on the outer surface of a belt of the belt conveyor, and the filter hoppers can filter settled sand to enable water to pass through.

With reference to the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, where the second conveying mechanism has a first conveying direction and a second conveying direction, an angle between the first conveying direction and the second conveying direction of the second conveying mechanism is an acute angle, and the conveying direction of the first conveying mechanism is perpendicular to the first conveying direction of the second conveying mechanism; the first conveying mechanism and the second conveying mechanism are both connected with a power source.

With reference to the first aspect, an embodiment of the present invention provides a third possible implementation manner of the first aspect, where bottom sides of the sand collecting hopper and the manure collecting hopper are both communicated with a water return pipeline.

With reference to the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, where a first side of the settling tank is further provided with a feed elevator bucket.

With reference to the first aspect, an embodiment of the present invention provides a fifth possible implementation manner of the first aspect, where a blade is further installed in the settling tank, the blade is connected to a power source, and the blade is used to stir cow dung slurry in the settling tank.

In a second aspect, an embodiment of the present invention provides a cow dung sand washing method, using the cow dung sand washing tank, including the following steps:

1) pouring water into the sand settling tank;

2) sending the cow dung into a sand settling tank through a feeding lifting bucket;

3) starting a plug flow stirrer, and stirring the cow dung-sand-water slurry in the settling tank;

4) the cow dung is sent into a dung collecting hopper for draining through a slurry pumping dung outlet system, and the sand is sent into a sand collecting hopper for filtering through a sand scraping system and a water filtering sand outlet hopper; the filtered water returns to the sand washing tank through a return pipeline.

Compared with the prior art, the embodiment provided by the invention has the following beneficial effects:

1) the embodiment of the invention successfully separates the cow dung from the sand, can completely replace the traditional modes of manual stirring and engineering vehicle sand cleaning, has small equipment investment, low operation energy consumption, intelligent operation mode and small occupied area, and can effectively solve the problem of separating the cow dung and the sand containing the sand.

2) In the embodiment of the invention, the used water return pipeline returns the water after the treated cow dung-water mixture and sand-water mixture are filtered to the settling tank, so that the water is recycled.

3) In the embodiment of the invention, the first conveying mechanism arranged at the bottom of the settling tank can collect and transport the settled sand, and the settled sand is transported out through the second conveying mechanism.

4) In the embodiment of the invention, the first conveying mechanism and the second conveying mechanism which are improved by the belt conveyor are used, the sedimentation state of water can be prevented from being damaged in the process of dredging sand by an engineering vehicle, and thus the sand with higher purity can be obtained.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a general schematic diagram of the present invention according to one or more embodiments.

In the figure, 1-a feeding lifting hopper, 2-a sand settling tank, 3-a water supplementing pipeline, 4-a plug flow stirrer, 5-a slurry pumping manure outlet system, 6-a sand scraping system, 7-a water filtering manure outlet hopper, 8-a sand collecting hopper, 9-a manure collecting hopper, 10-a water return pipeline, 11-a pulp separating plate and 12-a water draining net. The spacing or dimensions between each other are exaggerated to show the location of the various parts, and the illustration is for illustrative purposes only.

Detailed Description

It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", "third", etc., are only used for descriptive purposes and are not intended to indicate or imply relative importance.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The terms "mounted", "connected", "fixed", and the like in the present invention are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.

As described in the background art, aiming at the defect of the working efficiency of the existing method for separating cow dung from sand by manual operation, the invention aims to provide a cow dung sand washing tank which can automatically operate and has high use efficiency, and the invention is further explained by combining the attached drawings and the specific implementation mode.

Example 1

Referring to fig. 1, the present embodiment discloses a cow dung sand washing tank for separating cow dung from sand, which includes a feeding lifting bucket 1, a sand settling tank 2, a water supplementing pipeline 3, a plug flow stirrer 4, a slurry pumping and discharging system 5, a sand scraping system 6, a water filtering and discharging bucket 7, a sand collecting bucket 8, a manure collecting bucket 9, a water return pipeline 10, a slurry separating plate 11 and a draining net 12, wherein the sand settling tank 2 is disposed on the ground, the feeding lifting bucket 1 is located on the left side of the sand settling tank 2, and the feeding bucket can lift cow dung in the bucket from the ground height to the position above the sand settling tank and pour the cow dung-sand mixture in the bucket into the sand settling tank 2; the desilting tank 2 is provided with an upward opening, and the water pipe orifice of the water replenishing pipeline 3 is right opposite to the opening of the Chensha tank body so as to conveniently irrigate or replenish water to the desilting tank 2; the initial end of the pipeline of the slurry pumping excrement discharging system 5 extends into the sand sinking groove 2, and the tail end of the pipeline of the slurry pumping excrement discharging system 5 is provided with an excrement collecting hopper 9; the side wall of the sand settling tank 2 is provided with a tank body opening, the tank body opening is connected with the starting end of a water return pipeline 10, the tail end of the water return pipeline 10 is divided into two paths which are respectively communicated with a sand collecting hopper 8 and a manure collecting hopper 9, and a draining net 12 is arranged in the sand collecting hopper 9.

In the embodiment, a sand scraping system 6 is further arranged at the bottom side of the interior of the sand settling tank 2 and used for transporting the settled sand deposited at the bottom of the sand settling tank 2 out to a sand collecting hopper 8.

The sand settling tank 2 in this embodiment is a rectangular parallelepiped tank, and in other embodiments, the sand settling tank 2 may also be a cylindrical or prismatic tank.

The sand scraping system 6 comprises two conveying mechanisms which are respectively a first conveying mechanism and a second conveying mechanism, wherein the first conveying mechanism is positioned at the bottom of the inner side of the sand settling tank 2, and the second conveying mechanism is vertically arranged close to the wall of the first sand settling tank 2; the first conveying mechanism and the second conveying mechanism are two mechanisms which are independently arranged, but the sand conveyed by the first conveying mechanism can be received by the second conveying mechanism.

More specifically, the first conveying mechanism includes: the belt conveyor is provided with a plurality of sand scraping plates outside a belt, and when the first conveying mechanism runs, the sand scraping plates can scrape away deposited sand on the bottom side inside the sand settling tank 2 and push the deposited sand to the second conveying mechanism; the second conveying mechanism comprises a belt conveyor, a plurality of water filtering sand discharging hoppers 7 are arranged on the outer side of a belt of the belt conveyor, and when the second conveying mechanism operates, the water filtering sand discharging hoppers can receive and convey sand from the first conveyor.

The second conveying mechanism has two transport directions, which are a first transport direction and a second transport direction respectively, and an acute angle is formed between the first transport direction and the second transport direction of the second conveying mechanism, please refer to fig. 1, the first transport direction is an upward direction perpendicular to the ground, and 45 degrees is formed between the second transport direction and the first transport direction, so that the settled sand from the first conveying mechanism is transported to the sand collecting hopper 8.

It will be appreciated that to improve the efficiency of the transport, to avoid the collected sand from sliding off, the filtered sand hopper 7 is inclined relative to the belt, with the direction of inclination coinciding with the direction of transport.

The water-filtering and sand-discharging hopper 7 comprises a hopper-shaped filter screen which is capable of filtering sand, allowing water to pass through,

in order to ensure the continuous operation of the first conveying mechanism and the second conveying mechanism during operation, the second side part of the bottom of the sand settling tank 2, namely the side part of the sand settling tank 2 close to the tail end of the first conveying mechanism, is provided with a groove, a part of sand from the first conveying mechanism can be accumulated in the groove, and the second conveying mechanism extends into the groove.

The silt deposit tank 2 is also provided with a plug flow stirrer 4, the plug flow stirrer 4 in the embodiment adopts a blade, the tail end of the blade is connected with a power source, and the power source drives the blade to rotate in the liquid-filled silt deposit tank 2, so that the cow dung-sand-water suspension in the silt deposit tank 2 keeps certain fluidity, and the separation of cow dung and sand is promoted.

The slurry pumping manure discharging system 5 in the embodiment comprises a first slurry pumping pipeline, a second slurry pumping pipeline and a water pump, wherein the initial end of the first slurry pumping pipeline extends into the sand sinking groove 2, the tail end of the first slurry pumping pipeline is communicated with a water suction port of the water pump, the initial end of the second slurry pumping pipeline is communicated with a water discharge port of the water pump, and the tail end of the second slurry pumping pipeline is aligned to the manure collecting hopper 9.

The water replenishing pipeline 3 in the embodiment is communicated with a water source.

The opening of the tank body communicated with the water return pipeline 10 in this embodiment is located below the liquid level of the sand settling tank 2. As shown in fig. 1, the slot opening is located at the 3/4 level of the slot.

In the embodiment, the dung-sand separation is carried out on the sand-containing cow dung by utilizing the specific gravity difference of the dung-sand so as to realize the reutilization of the subsequent cow dung and the sand. Cow dung is sent into a sand settling tank 2 through a feeding lifting bucket 1, sand grains are settled after being stirred and washed by a plug flow stirrer 4, the cow dung is sent into a dung collecting bucket 9 through a slurry pump for draining, and the settled sand is sent into a sand collecting bucket 8 through a sand scraping system 6 and a water filtering sand discharging bucket 7 for filtering water. The filtered water returns to the sand washing tank through a return pipeline 10. Meanwhile, the water return pipeline 10 used in this embodiment returns the water filtered from the treated cow dung-water mixture and the sand-water mixture to the settling tank, so as to realize the recycling of the water.

It is understood that the "beginning" and "end" in this embodiment are referred to the flow direction of the substance.

It can be understood that a pulp separating plate for isolation is also arranged between the first pulp pumping pipeline and the second conveying mechanism.

Example 2

Embodiment 2 discloses a cow dung sand washing method, which uses the cow dung sand washing device disclosed in embodiment 1, and comprises the following steps:

1) water is filled into the sand settling tank 2 by using a water supplementing pipeline 3;

2) the cow dung is sent into a sand settling tank 2 through a feeding lifting bucket 1;

3) starting the plug flow stirrer 4, and stirring the cow dung-sand-hydrosolvent in the settling tank;

4) cow dung is sent into a dung collecting hopper 9 for draining through a slurry pumping dung outlet system 5, and sand is sent into a sand collecting hopper 8 for filtering through a sand scraping system 6 and a water filtering sand outlet hopper 7; the filtered water returns to the sand washing tank through a return pipeline 10.

More specifically, the water is injected into the sand settling tank 2, the sand-containing cow dung is conveyed into the sand settling tank 2 through the feeding lifting bucket 1, the sand grains settle to the bottom of the tank after the materials are stirred by the plug flow halving device, cow dung slurry after cleaning is pumped into the manure collecting bucket 9 through the slurry pumping and manure discharging system 5, the water is drained from the manure collecting bucket 9, the cow dung and the water are separated by a pore plate at the bottom of the manure collecting bucket 9 to obtain the sand-free cow dung, and the water returns to the sand settling tank 2 through the water return pipeline 10 for cyclic utilization.

The bottom of the tank body pushes the settled sand into a semi-cylindrical groove at one end of the tank body through a rotary sand scraping system 6 with a scraper blade, then a water filtering sand outlet hopper 7 lifts the settled sand in the semi-cylindrical groove at the bottom of the tank body out of the tank body through a sand digging hopper on a chain and sends the lifted settled sand into a sand collecting hopper 8, the bottom of the sand digging hopper is of a pore plate structure and serves as a water draining net 12, sand and water can be preliminarily separated, the pore plate at the bottom of the sand collecting hopper 8 can further separate the residual moisture in the sand, and the drained moisture returns to the sand settling tank 2 through a water returning pipeline 10 for recycling.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A cow dung sand washing tank is characterized by comprising a settling tank, a first conveying mechanism, a second conveying mechanism, a water return pipeline and a dung pumping mechanism, wherein the first conveying mechanism is arranged at the bottom side of the interior of the settling tank; one end of the excrement pumping mechanism extends into the settling tank, and the other end of the excrement pumping mechanism is positioned outside the settling tank; the water return pipeline is communicated with the settling tank and is used for returning the filtered water from the second conveying mechanism and the excrement pumping mechanism to the settling tank.

2. The cow dung sand washing tank as claimed in claim 1, wherein the first conveying mechanism includes a belt conveyor, an outer surface of a belt of the belt conveyor being provided with a plurality of filter hoppers capable of filtering settled sand to pass water; the second conveying mechanism comprises a belt conveyor, a plurality of filtering hoppers are arranged on the outer surface of a belt of the belt conveyor, and a plurality of filters can filter settled sand to enable water to pass through.

3. The cow dung sand washing trough of claim 1, wherein the second conveying mechanism has a first conveying direction and a second conveying direction, an angle between the first conveying direction and the second conveying direction of the second conveying mechanism is an acute angle, and the conveying direction of the first conveying mechanism is perpendicular to the first conveying direction of the second conveying mechanism; the first conveying mechanism and the second conveying mechanism are both connected with a power source.

4. The cow dung sand washing tank as claimed in claim 1, further comprising a dung collecting hopper and a sand collecting hopper, wherein the dung collecting hopper and the sand collecting hopper are both positioned at the second side of the settling tank, the end of the second conveying mechanism is aligned with the opening of the dung collecting hopper, and the end of the dung pumping mechanism is aligned with the opening of the sand collecting hopper.

5. The cow dung sand washing tank as claimed in claim 4, wherein the bottom sides of the sand collecting hopper and the manure collecting hopper are communicated with a water return pipeline.

6. The cow dung sand washing trough as claimed in claim 4, wherein a draining net is laid on both the bottom side of the inside of the sand hopper and the bottom side of the inside of the manure collecting hopper.

7. The cow dung sand washing tank as claimed in claim 1, wherein the first side of the settling tank is further provided with a feed elevating hopper.

8. The cow dung sand washing tank as claimed in claim 1, wherein a blade is further installed in the settling tank, the blade is connected with a power source, and the blade is used for stirring the solvent in the settling tank.

9. The cow dung sand washing tank as claimed in claim 1, wherein the manure pumping mechanism includes a first slurry pumping pipe, a second slurry pumping pipe and a water pump, the first slurry pumping pipe extends into the sand sinking tank from the beginning, the end of the first slurry pumping pipe is communicated with a water suction port of the water pump, and the second slurry pumping pipe is communicated with a water discharge port of the water pump from the beginning.

10. A cow dung sand washing method is characterized in that the cow dung sand washing tank as claimed in any one of the claims 1 to 9 is used, and the method comprises the following steps:

1) pouring water into the sand settling tank;

2) sending the cow dung into a sand settling tank through a feeding lifting bucket;

3) starting a plug flow stirrer, and stirring the cow dung-sand-hydrosolvent in the settling tank;

4) the cow dung is sent into a dung collecting hopper for draining through a slurry pumping dung outlet system, and the sand is sent into a sand collecting hopper for filtering through a sand scraping system and a water filtering sand outlet hopper; the filtered water returns to the sand washing tank through a return pipeline.

Images