CN223422553U - High-efficient separator of dirty solid-liquid of dairy cow plant excrement - Google Patents

Abstract

The utility model discloses a high-efficiency solid-liquid separation device for fecal sewage in a dairy farm, and particularly relates to the technical field of fecal sewage treatment. The device for efficiently separating the excrement from the solid and liquid of the dairy farm comprises a primary separation and a secondary separation, wherein the primary separation comprises a collecting tank, a rotating shaft is rotatably arranged in the collecting tank, a stirring disc is fixedly arranged at the bottom end of the rotating shaft, a first motor is fixedly arranged at the top of the collecting tank, and the first motor is fixed with the rotating shaft. The solid-liquid efficient separation device for the dairy farm manure can effectively separate the solid from the liquid in the manure through the combination of primary separation and secondary separation. The first-stage separation utilizes centrifugal force to make heavier gravel be deposited at the bottom of collecting tank, and the sand content in the fecal sewage in the middle portion can be obviously reduced, and the second-stage separation can be used for conveying liquid and fine gravel by means of screw conveyer so as to raise separation efficiency.

Description

High-efficient separator of dirty solid-liquid of dairy cow plant excrement

Technical Field

The utility model relates to the technical field of fecal sewage treatment, in particular to a fecal sewage solid-liquid efficient separation device for a dairy farm.

Background

With the rapid development of modern animal husbandry, cow breeding has become an important component of agricultural economy. However, a large amount of excrement generated in the production process of the dairy farm is polluted seriously, and precious resources are wasted if the excrement is not effectively treated. Therefore, the fecal sewage treatment becomes one of the problems to be solved urgently in the dairy cow breeding industry.

At present, cow dung is used as padding or used as a raw material in a methane tank, no matter what the cow dung is used, the cow dung needs to be subjected to solid-liquid separation, liquid can be recycled or used as fertilizer, when the cow dung is used as the raw material of the methane tank, a certain amount of sand exists in the collecting process of the cow dung, a part of sand precipitation can block a liquid leakage hole of the solid-liquid separation device when the solid-liquid separation device is used, so that the subsequent separation efficiency is reduced, more sand is precipitated in the methane tank, and a pipeline of the methane tank is easy to be blocked.

Therefore, it is necessary to provide a device for efficiently separating solid and liquid from excrement in a dairy farm to solve the technical problems.

Disclosure of utility model

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the solid-liquid efficient separation device for the excrement of the dairy farm, which can effectively separate the solid and the liquid in the excrement through the combination of primary separation and secondary separation.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides a dirty solid-liquid high-efficient separator of dairy farm excrement, includes first order separation and second level separation, the first order separation includes the collection tank, the rotation is installed to collection tank inside, the bottom fixed mounting of pivot has the agitator disk, the top fixed mounting of collection tank has first motor, first motor with the pivot is fixed, the inlet pipe is installed at collection tank top, be provided with a plurality of pipettes that are annular array and distribute in the collection tank, the pipette is in collection tank inside and pivot middle part, a plurality of the pipettes all extend to collection tank top and fixed mounting have same annular pipe, one side fixed mounting of annular pipe has first transfer line, install first infusion pump on the first transfer line, install the second infusion pipe on the first infusion pump, the second level divides the installation section of thick bamboo that sets up including the slope, the second infusion pipe with installation section of thick bamboo intercommunication, installation section of thick bamboo inside rotation installation auger, the auger comprises transmission shaft and screw thread delivery blade, the one end of motor is equipped with same annular pipe, one side fixed mounting is equipped with the drain on the installation section of thick bamboo.

Preferably, the mounting cylinder bottom fixed mounting has the collecting vat, the dirty solid-liquid high-efficient separator of dairy cow plant excrement still includes the collecting vat, install the fluid-discharge tube on the collecting vat, the fluid-discharge tube extends to the collecting vat is inside, install the third transfer line on the first transfer line, install the second infusion pump on the third transfer line, install the fourth transfer line on the second infusion pump, the fourth transfer line extends to inside the collecting vat, all install the solenoid valve on first transfer line, third transfer line and the fourth transfer line.

Preferably, a baffle is obliquely arranged below the inner part of the collecting box, one side of the baffle is not contacted with the collecting box, a connecting port is formed, and the collecting box is divided into two layers under the action of the baffle.

Preferably, the second delivery pump is further provided with a clean water delivery pipe, the clean water delivery pipe is also provided with an electromagnetic valve, and the electromagnetic valve on the clean water delivery pipe is in an open state only when the inside of the collecting tank and the mounting cylinder is cleaned, and other time periods are all in a closed state.

Preferably, a plurality of liquid suction holes are formed in the liquid suction pipe.

Preferably, the bottom of the collecting tank is conical, and the bottom is provided with a discharging pipe.

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

(1) Through the combination of the first-stage separation and the second-stage separation, the solid and the liquid in the excrement can be effectively separated. The first-stage separation utilizes the centrifugal force to enable heavier grits to be deposited at the bottom of the collecting tank, and the content of the grits in the fecal sewage in the middle part is obviously reduced;

(2) The device can convey the liquid separated from the second stage to a collecting tank to dilute the excrement and the sewage, so that the waste liquid is reasonably utilized;

(3) The device can clean the collecting tank and the mounting cylinder, improve the convenience of maintenance and ensure the long-term stable operation of equipment.

Drawings

Fig. 1 is a schematic structural diagram of a cow farm manure solid-liquid efficient separation device provided by the utility model;

fig. 2 is a schematic diagram of a part of the structure of the high-efficiency solid-liquid separation device for the excrement of the dairy farm;

FIG. 3 is a schematic cross-sectional structure view of the dairy farm manure solid-liquid high-efficiency separation device shown in FIG. 1;

FIG. 4 is a schematic diagram of the secondary separation structure of FIG. 3;

Fig. 5 is a schematic structural view of a pipette in the high-efficiency solid-liquid separation device for the excrement of the dairy farm.

The device comprises a 1-collecting tank, a 2-rotating shaft, a 3-stirring disc, a 4-first motor, a 5-feeding pipe, a 6-liquid suction pipe, a 7-annular pipe, an 8-annular pipe, a 9-first liquid conveying pump, a 10-first liquid conveying pump, an 11-mounting cylinder, a 12-screw feeder, a 13-second motor, a 14-blow-off pipe, a 15-liquid leakage hole, a 16-collecting tank, a 17-collecting tank, a 18-collecting tank, a 19-collecting tank, a 20-collecting tank, a 21-fourth liquid conveying pipe, a 22-baffle, a 23-conveying pipe, a 24-liquid suction hole and a 25-electromagnetic valve.

Detailed Description

The utility model will be further illustrated by the following description and examples, which include but are not limited to the following examples.

Example 1

As shown in fig. 1 to 5, the device for efficiently separating solid and liquid from excrement in a dairy farm provided by the utility model comprises: the first-stage separation and the second-stage separation, the first-stage separation comprises a collecting tank 1, a rotating shaft 2 is rotatably arranged in the collecting tank 1, a stirring disc 3 is fixedly arranged at the bottom end of the rotating shaft 2, a first motor 4 is fixedly arranged at the top of the collecting tank 1, the first motor 4 is fixed with the rotating shaft 2, after the motor 2 is started, the rotating shaft 2 can drive the stirring disc 3 to rotate, so that the excrement in the collecting tank 1 rotates, heavier and larger gravels in the excrement can move towards the inside of the collecting tank 1 under the action of centrifugal force, the gravels in the middle part of the excrement are greatly reduced, a feeding pipe 5 is arranged at the top of the collecting tank 1, cow dung (cow dung diluted by cow urine and water) enters the collecting tank 1 through the feeding pipe 5, a plurality of liquid suction pipes 6 distributed in a ring array are arranged in the collecting tank 1, the liquid suction pipes 6 are arranged in the collecting tank 1 and in the middle of the rotating shaft 2, a plurality of liquid suction pipes 6 extend to the upper side of the collecting tank 1 and are fixedly provided with the same annular pipe 7, one side of the annular pipe 7 is fixedly provided with a first liquid conveying pipe 8, the first liquid conveying pipe 8 is provided with a first liquid conveying pump 9, the first liquid conveying pump 9 is provided with a second liquid conveying pipe 10, the second liquid conveying pipe 10 is separated and comprises a mounting cylinder 11 which is obliquely arranged, the second liquid conveying pipe 10 is communicated with the mounting cylinder 11, after the first liquid conveying pump 9 is started, the excrement in the collecting tank 1 is sucked into the liquid suction pipes 6, then the excrement is conveyed into the mounting cylinder 11 through the annular pipe 7, the first liquid conveying pipe 8 and the second liquid conveying pipe 10, the sand and gravel content in the excrement is low, the utility model provides a biogas digester, including installation section of thick bamboo 11, install section of thick bamboo 11 is inside to rotate and install auger 12, auger 12 comprises transmission shaft and screw thread conveying blade, second motor 13 is installed to the one end of auger 12, can drive auger 12 rotation after the second motor 13 starts, and the back is rotated to auger 12, carries the dirty extension direction along installation section of thick bamboo 11 of excrement inside with installation section of thick bamboo 11 install a plurality of weeping holes 15 in the bottom of installation section of thick bamboo 11, the dirty in-process excrement of auger transportation excrement can flow out through weeping holes 15 to realize solid-liquid separation, because the dirty grit in excrement of installation section of thick bamboo 11 is less and less, this just makes weeping holes 15 can not be stopped up easily, thereby makes solid-liquid separation keep higher efficiency, install blow off pipe 14 on the installation section of thick bamboo 11, the solid that carries through the auger can directly enter into the biogas digester through blow off pipe 14.

Example 2

As shown in fig. 2-3, the bottom of the installation cylinder 11 is fixedly provided with a collecting tank 16, the liquid separated from the inside of the installation cylinder 11 enters the collecting tank 16 through a liquid leakage hole 15, the device for efficiently separating the excrement from the dairy farm further comprises a collecting tank 17, the collecting tank 16 is provided with a liquid discharge pipe 18, the liquid discharge pipe 18 extends into the collecting tank 17, the liquid collected by the collecting tank 16 can enter the collecting tank 17 through the liquid discharge pipe 18, the first liquid transfer pipe 8 is provided with a third liquid transfer pipe 19, the third liquid transfer pipe 19 is provided with a second liquid transfer pump 20, the second liquid transfer pump 20 is provided with a fourth liquid transfer pipe 21, the fourth liquid transfer pipe 21 extends into the collecting tank 17, after the second liquid transfer pump 20 is started, the liquid in the collecting tank 17 can enter the first liquid transfer pipe 8 through the fourth liquid transfer pipe 21 and the third liquid transfer pipe 19, then the liquid is injected into the annular pipe 7 and is sprayed out from the plurality of liquid suction pipes 6 to dilute, the first liquid suction pipe 8, the third liquid suction pipe 19 and the fourth liquid suction pipe 21 are respectively provided with the electromagnetic valve 25 (the specific installation of the electromagnetic valve is shown in figure 2), when the excrement in the collecting tank 1 is conveyed into the installation cylinder 11, the electromagnetic valves 25 on the third liquid suction pipe 19 and the fourth liquid suction pipe 21 are respectively in a closed state, the electromagnetic valve 25 on the second liquid suction pipe 10 is in an open state, at the moment, under the action of the first liquid suction pump 9, the excrement in the collecting tank 1 is conveyed into the installation cylinder 11, when the liquid in the collecting tank 17 is required to be conveyed into the collecting tank 1 to dilute the excrement, the second liquid suction pipe 20 is started, and meanwhile, the electromagnetic valves 25 on the third liquid suction pipe 19 and the fourth liquid suction pipe 21 are respectively in an open state, while the solenoid valve 25 on the second transfer line 10 is in a closed state, at which time the liquid in the collection tank 17 is transferred to the collection tank 1.

Further, a baffle 22 is obliquely installed below the inner part of the collecting tank 17, one side of the baffle 22 is not contacted with the collecting tank 17, a connection port is formed, the collecting tank 17 is divided into two layers under the action of the baffle 22, after the liquid in the collecting tank 16 is conveyed into the collecting tank 17 by the liquid discharge pipe 18, sediment (including part of gravel) in the liquid is deposited in the collecting tank 17, the sediment is preferentially deposited below the baffle 22, and when the liquid in the collecting tank 17 is absorbed by the fourth infusion pipe 21, the baffle 22 can play a role of blocking the sediment, so that more sediment is prevented from being conveyed into the collecting tank 1 again.

Further, the second transfer pump 20 is further provided with a clean water transfer pipe 23, the clean water transfer pipe 23 is also provided with an electromagnetic valve 25, the electromagnetic valve 25 on the clean water transfer pipe 23 is in an open state only when the inside of the collection tank 1 and the installation cylinder 11 is cleaned, other time periods are all in a closed state, when the inside of the collection tank 1 and the installation cylinder 11 is cleaned, the clean water transfer pipe 23 is connected with a water tank, the electromagnetic valve 25 on the clean water transfer pipe 23, the third transfer pipe 19 and the first transfer pipe 8 is in an open state, the electromagnetic valve 25 on the fourth transfer pipe 21 is in a closed state, and the second transfer pump 20 and the first transfer pump 9 are started simultaneously, at this time, clean water is transferred into the inside of the collection tank 1 and the installation cylinder 11, thereby cleaning the inside of the collection tank 1 and the installation cylinder 11 is realized.

Example 3

As shown in fig. 5, the liquid suction pipe 6 is provided with a plurality of liquid suction holes 24, and the liquid suction holes 24 are arranged to enable the liquid on the inner wall of the collection tank 1 and the liquid in the middle of the rotating shaft 2 to enter the liquid suction pipe 6 more quickly.

Example 4

As shown in fig. 3, the bottom of the collecting tank 1 is conical, and a discharging pipe is arranged at the bottom, so that the conical structure is more beneficial to depositing sediment such as gravel, and the arrangement of the discharging pipe is beneficial to discharging sediment such as gravel in the collecting tank 1.

When the device is used, diluted manure enters the collecting tank 1 through the feeding pipe 5, the first motor 4 and the second motor 13 are started, the first motor 4 drives the rotating shaft 2 and the stirring disc 3 to rotate, the manure is centrifuged, heavier gravel moves towards the edge of the collecting tank 1 under the action of centrifugal force, the gravel content in the manure at the middle part is obviously reduced, the first conveying pump 9 is started again, the electromagnetic valve 25 on the first conveying pipe 8 is in an open state, the other electromagnetic valves 25 are in a closed state, at the moment, the manure in the collecting tank 1 enters the annular pipe 7 through the liquid suction pipe 6, and then enters the mounting cylinder 11 through the first conveying pipe 8 and the second conveying pipe 10. The second motor 13 rotates to drive the screw feeder 12 to rotate, when the excrement enters the installation cylinder 11, the excrement is conveyed obliquely upwards by the screw feeder 12, in the conveying process, liquid in the excrement can be leaked into the collecting tank 16 through the liquid leakage hole 15, and solids can be conveyed to the blow-off pipe 14 to be discharged.

Claims (6)

1. Dirty solid-liquid high-efficient separator of dairy farm excrement, its characterized in that includes:

the primary separation and the secondary separation, the primary separation comprises a collecting tank (1), a rotating shaft (2) is rotatably arranged in the collecting tank (1), a stirring disc (3) is fixedly arranged at the bottom end of the rotating shaft (2), a first motor (4) is fixedly arranged at the top of the collecting tank (1), the first motor (4) is fixed with the rotating shaft (2), a feeding pipe (5) is arranged at the top of the collecting tank (1), a plurality of liquid suction pipes (6) distributed in an annular array are arranged in the collecting tank (1), the liquid suction pipes (6) are arranged between the inside of the collecting tank (1) and the middle part of the rotating shaft (2), the plurality of liquid suction pipes (6) extend to the upper part of the collecting tank (1) and are fixedly provided with the same annular pipe (7), one side of the annular pipe (7) is fixedly provided with a first infusion pipe (8), the first infusion pipe (8) is provided with a first infusion pump (9), the first infusion pump (9) is provided with a second infusion pipe (10), the second stage separation comprises an obliquely arranged mounting cylinder (11), the second infusion pipe (10) is communicated with the mounting cylinder (11), the inside of the mounting cylinder (11) is rotationally provided with an auger (12), the auger (12) consists of a transmission shaft and a threaded conveying blade, one end of the auger (12) is provided with a second motor (13), the bottom of the installation cylinder (11) is provided with a plurality of liquid leakage holes (15), and the installation cylinder (11) is provided with a drain pipe (14).

2. The dairy farm manure solid-liquid efficient separation device according to claim 1, wherein a collecting tank (16) is fixedly installed at the bottom of the installation cylinder (11), the dairy farm manure solid-liquid efficient separation device further comprises a collecting tank (17), a liquid discharge pipe (18) is installed on the collecting tank (16), the liquid discharge pipe (18) extends to the inside of the collecting tank (17), a third liquid delivery pipe (19) is installed on the first liquid delivery pipe (8), a second liquid delivery pump (20) is installed on the third liquid delivery pipe (19), a fourth liquid delivery pipe (21) is installed on the second liquid delivery pump (20), the fourth liquid delivery pipe (21) extends to the inside of the collecting tank (17), and electromagnetic valves (25) are installed on the first liquid delivery pipe (8), the third liquid delivery pipe (19) and the fourth liquid delivery pipe (21).

3. The efficient solid-liquid separation device for the dairy farm manure according to claim 1, wherein a baffle plate (22) is obliquely arranged below the inside of the collection box (17), and one side of the baffle plate (22) is not contacted with the collection box (17) to form a connection port.

4. The dairy farm manure solid-liquid efficient separation device according to claim 1, wherein a clear water conveying pipe (23) is further installed on the second conveying pump (20), and an electromagnetic valve (25) is also installed on the clear water conveying pipe (23).

5. The dairy farm manure solid-liquid efficient separation device according to claim 1, wherein a plurality of liquid suction holes (24) are formed in the liquid suction pipe (6).

6. The dairy farm manure solid-liquid efficient separation device according to claim 1, wherein the bottom of the collection tank (1) is conical, and a discharge pipe is arranged at the bottom.