阅读说明：本技术 一种复合式高频振动干湿预分离装置 (Combined type high-frequency vibration dry-wet pre-separation device ) 是由 冷天华 袁昌定 何道领 韦艺媛 高敏 于 2021-07-23 设计创作，主要内容包括：本发明公开了一种复合式高频振动干湿预分离装置,包括分离体,分离体的上端面两侧连接有支撑柱,支撑柱的上端面连接有支撑条,支撑条的下端面连接有振动机构,振动机构的下方连接有分离斗,分离斗上设有若干个分离孔,分离斗的底部设有第一排料管,第一排料管之间连通有第一电磁阀,第一排料管的一端设有第二排料管,分离体下方设有干湿分离机的进料口,第二排料管的另一端位于进料口的上方,第二排料管与分离体的连接有设有第一橡胶环,分离体的一侧外壁上连接控制器,振动机构、第一电磁阀均与控制器电性连接,解决了现有畜禽喂养精饲料后排泄的粪便难以形成固态,粪便在收集池内和粪水混合后形成糊状物,导致干湿分离机难以进行分离的问题。(The invention discloses a combined high-frequency vibration dry-wet pre-separation device, which comprises a separation body, wherein two sides of the upper end surface of the separation body are connected with support columns, the upper end surface of each support column is connected with a support strip, the lower end surface of each support strip is connected with a vibration mechanism, a separation hopper is connected below the vibration mechanism, a plurality of separation holes are formed in the separation hopper, a first discharge pipe is arranged at the bottom of the separation hopper, a first electromagnetic valve is communicated between the first discharge pipes, one end of the first discharge pipe is provided with a second discharge pipe, a feed inlet of a dry-wet separator is arranged below the separation body, the other end of the second discharge pipe is positioned above the feed inlet, a first rubber ring is connected between the second discharge pipe and the separation body, a controller is connected on the outer wall of one side of the separation body, and the vibration mechanism and the first electromagnetic valve are both electrically connected with the controller, so that the excrement discharged after the conventional livestock and poultry are fed with concentrated feed is difficult to form a solid state, the excrement and the liquid dung are mixed in the collecting tank to form paste, so that the problem that the dry-wet separator is difficult to separate is caused.)

1. The utility model provides a combined type high-frequency vibration is separator in advance futilely wets, which is characterized in that, including the separator (1), separator (1) is inside hollow cylinder, the upper end opening of separator (1), the up end both sides of separator (1) are connected with support column (2), the up end of support column (2) is connected with support bar (3), the lower terminal surface of support bar (3) is connected with vibration mechanism, vibration mechanism's below is connected with separation fill (4), separation fill (4) are inside hollow trapezoidal body, the upper end opening of separation fill (4), the bore of separation fill (4) up end diminishes to the bore of lower terminal surface gradually, separation fill (4) are located the inside of separator (1), separation fill (4) are located the top of separator (1), be equipped with a plurality of separation hole (5) on separation fill (4), separation hole (5) run through the inner wall and the outer wall of separation fill (4), the separating holes (5) are uniformly distributed on the separating hopper (4), a first discharging pipe (6) is arranged at the bottom of the separating hopper (4), the first discharging pipe (6) is communicated with the inside of the separating hopper (4), a first electromagnetic valve (7) is communicated between the first discharging pipes (6), a second discharging pipe (8) is arranged at one end of the first discharging pipe (6), the second discharging pipe (8) is a flexible pipe, one end of the second discharging pipe (8) is communicated with the first discharging pipe (6), the other end of the second discharging pipe (8) is positioned outside the separating body (1), a feeding hole (9) of a dry-wet separating machine is arranged below the separating body (1), the other end of the second discharging pipe (8) is positioned above the feeding hole (9), a first rubber ring (10) is connected with the separating body (1), and the first rubber ring (10) is connected with the outer wall of the second discharging pipe (8), the outer wall of one side of the separating body (1) is connected with a controller (11), and the vibration mechanism and the first electromagnetic valve (7) are electrically connected with the controller (11).

2. The combined type high-frequency vibration dry-wet pre-separation device as claimed in claim 1, wherein the vibration mechanism comprises a vibrator (12), the vibrator (12) is connected with the lower end face of the supporting bar (3), the vibrator (12) is connected with the upper end face of the separation bucket (4) through a supporting bar (13), a fixing rod (14) is arranged between the vibrator (12) and the supporting bar (3), one end of the fixing rod (14) is connected with the vibrator (12), the other end of the fixing rod (14) is connected with the lower end face of the supporting bar (3), and the vibrator (12) is electrically connected with the controller (11).

3. The combined type high-frequency vibration dry-wet pre-separation device is characterized in that a vibration spring (15) is arranged between the separation hopper (4) and the separation body (1), one end of the vibration spring (15) is connected with the outer wall of the separation hopper (4), and the other end of the vibration spring (15) is connected with the inner wall of the separation body (1).

4. The combined type high-frequency vibration dry-wet pre-separation device is characterized in that a drain pipe (16) is arranged on the outer wall of the other side of the separation body (1), the drain pipe (16) is communicated with the inside of the separation body (1), the joint of the drain pipe (16) and the separation body (1) is positioned at the bottom of the separation body (1), a filter screen (17) is arranged on the inner wall of the drain pipe (16), and the aperture of the filter screen (17) is smaller than that of the separation hole (5).

5. The combined type high-frequency vibration dry-wet pre-separation device as claimed in claim 1, wherein a third material discharging pipe (18) is further arranged at the bottom of the separation body (1), one end of the third material discharging pipe (18) is communicated with the inside of the separation body (1), the other end of the third material discharging pipe (18) is communicated with the material inlet (9), a second electromagnetic valve (19) is communicated between the third material discharging pipes (18), and the second electromagnetic valve (19) is electrically connected with the controller (11).

6. The combined type high-frequency vibration dry-wet pre-separating device as claimed in claim 5, wherein a second rubber ring (20) is arranged at the joint of the third discharging pipe (18) and the separating body (1), and the second rubber ring (20) is connected with the outer wall of the third discharging pipe (18).

Technical Field

The invention relates to a device, in particular to a combined type high-frequency vibration dry-wet pre-separation device.

Background

With the modern livestock and poultry breeding industry becoming intensive and specialized, the direction of maximization develops, current beasts and birds adopt a large amount of concentrated feed to feed, the faecal of excreting is difficult to form solid-state after the concentrated feed is fed to current beasts and birds, the faecal of excreting is mostly rare form thing, lead to needing a large amount of clear water to wash faecal, the faecal after the washing gets into the collecting pit along with the sparge water inside together, the excrement forms the mash easily after mixing with the liquid dung in the collecting pit, lead to the moisture content in the excrement and urine more than or equal to 95%, lead to current dry wet separating centrifuge to be difficult to carry out dry wet separation processing, still contain a large amount of moisture in the excrement and urine after dry wet separating centrifuge separates, can give subsequent processing step and increase the degree of difficulty, lead to subsequent dry excrement and urine directly utilize, still contain a large amount of moisture in the excrement and urine and lead to being difficult to shifting, the problem of transportation.

Disclosure of Invention

The invention aims to solve the technical problems that excrement discharged after concentrated feed is fed to livestock and poultry is difficult to form a solid state, and the excrement is mixed with liquid dung in a collecting tank to form paste, so that the conventional dry-wet separator is difficult to separate.

The invention is realized by the following technical scheme:

a combined type high-frequency vibration dry-wet pre-separation device comprises a separation body, wherein the separation body is a cylinder with a hollow interior, an upper end opening of the separation body is connected with support columns on two sides of an upper end face of the separation body, support bars are connected on the upper end face of each support column, a vibration mechanism is connected on a lower end face of each support bar, a separation hopper is connected below the vibration mechanism and is a trapezoidal body with a hollow interior, an upper end opening of the separation hopper is gradually reduced from the caliber of the upper end face to the caliber of the lower end face of the separation hopper, the separation hopper is positioned in the separation body and is positioned above the separation body, a plurality of separation holes are formed in the separation hopper and penetrate through the inner wall and the outer wall of the separation hopper, the separation holes are uniformly distributed on the separation hopper, a first discharge pipe is arranged at the bottom of the separation hopper and is communicated with the interior of the separation hopper, a first electromagnetic valve is communicated between the first discharge pipes, and one end of the first discharge pipe is provided with a second discharge pipe, the second is arranged the material pipe and is the flexible tube, the one end and the first row of material pipe intercommunication of material pipe are arranged to the second, the other end that the second was arranged the material pipe is located the outside of separator, the separator below is equipped with the feed inlet of dry wet separating centrifuge, the other end that the second was arranged the material pipe is located the top of feed inlet, the second is arranged the material pipe and is equipped with first rubber ring with being connected with of separator, the outer wall connection of material pipe is arranged with the second to first rubber ring, connect the controller on one side outer wall of separator, vibration mechanism, first solenoid valve all with controller electric connection.

The working principle of the invention is as follows: in order to solve the technical problems, a combined high-frequency vibration dry-wet pre-separation device is arranged at present, the inside of a separation body is hollow and is used for placing a separation hopper, an upper end opening of the separation body is used for the separation hopper to enter the inside of the separation body, the separation hopper vibrates inside the separation body, so that moisture contained in the excrement enters the inside of the separation body, the excrement filtered by water is left inside the separation hopper, two sides of the upper end surface of the separation body are used for connecting supporting columns, the upper end surfaces of the supporting columns are used for connecting supporting strips, the lower end surfaces of the supporting strips are used for connecting a vibration mechanism, the vibration mechanism is used for connecting the separation hopper, and the vibration mechanism is also used for driving the separation hopper to vibrate, the separating hopper is used for screening water in excrement, so that the water in the excrement enters the inside of the separating body through the separating holes, the excrement with water filtered is output through the first discharging pipe, the excrement is conveyed to the second discharging pipe, the second discharging pipe conveys the excrement to the outside of the separating body, the excrement subjected to dry-wet pre-separation enters the feeding hole of the dry-wet separating machine, the dry-wet separation is performed on the excrement through the dry-wet separating machine, the first electromagnetic valve is used for opening and closing the first discharging pipe, preferably, the first discharging pipe is a rigid pipe, the first electromagnetic valve is convenient to completely close by the first discharging pipe being the rigid pipe, the phenomenon that the water in the excrement and the excrement enters the second discharging pipe through a gap between the first discharging pipe and the first electromagnetic valve is avoided, the second discharging pipe is a flexible pipe, the second discharging pipe is convenient to vibrate along with the separating hopper, and damage to the second discharging pipe is avoided, first rubber ring is used for sealing the junction that the second was arranged material pipe and separator, and first rubber ring still is used for slowing down the wearing and tearing that the second was arranged the material pipe, and when having avoided the separation fill to drive the second and arrange the material pipe and vibrate, the material pipe was directly worn and torn with the inner wall of separator to the second, and the controller is used for transferring vibration mechanism, first solenoid valve and carries out work.

The first electromagnetic valve is moved by the controller to work, so that the first discharging pipe is closed by the first electromagnetic valve, the vibrating mechanism is moved by the controller to work, the vibrating mechanism drives the separating hopper to vibrate up and down in the separating body, excrement liquid required to be subjected to dry-wet pre-separation is poured from the upper end of the separating hopper to enter the separating hopper, the vibrating mechanism drives the separating hopper to vibrate, the separating hopper drives the excrement liquid to vibrate together, the controller regulates and controls the vibration frequency of the vibrating mechanism so as to facilitate the dry-wet pre-separation of the excrement liquid with different water contents, the separating hopper continuously vibrates to ensure that the excrement liquid in the excrement liquid enters the separating body through the separating holes, excrement of filtered water is left in the separating hopper, the vibrating mechanism is continuously moved by the controller to work, and when the excrement in the separating hopper forms jelly, the first electromagnetic valve is moved to work through the controller, a channel of the first discharging pipe is opened through the first electromagnetic valve, excrement after filtration enters the second discharging pipe through the first discharging pipe, the excrement is conveyed to a feeding hole of the dry-wet separator through the second discharging pipe, the dry-wet separator is convenient to perform dry-wet separation on the excrement again, after the excrement is discharged through excrement water in the separator, continuous dry-wet pre-separation is convenient to perform on the excrement liquid through repeated operation, the dry-wet pre-separation device is provided through the combined type high-frequency vibration dry-wet pre-separation device, the problem that the existing excrement after the livestock and poultry are fed with the concentrated feed is difficult to form a solid state, the excrement is mixed with the excrement water in a collecting pool to form paste, and the problem that the existing dry-wet separator is difficult to separate is solved.

Further, the vibrating mechanism comprises a vibrator, the vibrator is connected with the lower end face of the supporting bar, the vibrator is connected with the upper end face of the separating hopper through a supporting bar, a fixing bar is arranged between the vibrator and the supporting bar, one end of the fixing bar is connected with the vibrator, the other end of the fixing bar is connected with the lower end face of the supporting bar, the vibrator is electrically connected with the controller, the upper end face of the vibrator is connected with the lower end face of the supporting bar, the controller is used for moving the vibrator to work, so that the vibrator outputs different vibration frequencies, the feces liquid with different water contents is conveniently subjected to dry-wet pre-separation, the supporting bar is used for connecting the vibrator with the upper end face of the separating hopper, the four corners of the upper end face of the separating hopper are connected through the supporting bar, the vibrator is convenient to drive the separating hopper to vibrate, the fixing bar is used for enhancing the connection of the vibrator and the supporting bar, and the deviation generated when the vibrator drives the separating hopper to vibrate is avoided, and the vibrator is prevented from separating from the lower end surface of the supporting bar conveniently.

Further, be equipped with vibrating spring between separation fill and the separator, vibrating spring's one end and the outer wall connection of separation fill, vibrating spring's the other end and the inner wall connection of separator, vibrating spring is used for strengthening the connection of separation fill, the problem of rocking about taking place when having avoided vibration mechanism to drive the separation fill vibration, vibrating spring still is used for strengthening the vibration of separation fill, when driving the downward motion of separation fill through vibration mechanism, through separation fill compression vibrating spring, vibrating spring promotes the upward motion of separation fill during the upward motion of separation fill, increase the vibration of separation fill through vibrating spring, be convenient for promote the excrement liquid and carry out wet pre-separation futilely.

Furthermore, a drain pipe is arranged on the outer wall of the other side of the separating body, the drain pipe is communicated with the inside of the separating body, the joint of the drain pipe and the separating body is positioned at the bottom of the separating body, a filter screen is arranged on the inner wall of the drain pipe, the aperture of the filter screen is smaller than that of the separating hole, the drain pipe is used for discharging separated liquid dung so as to discharge the liquid dung after the separation inside the separating body, a large amount of liquid dung is prevented from being accumulated inside the separating body, a liquid dung grinding and separating hopper is avoided, so that the liquid dung is difficult to be subjected to dry-wet pre-separation, the separated liquid dung is discharged into a collecting pool through the drain pipe to be stored, when the vibrating mechanism drives the separating hopper to vibrate, the liquid dung with smaller diameter enters the inside of the separating body through the separating hole, the filter screen arranged in the drain pipe is convenient for secondary filtration of the liquid dung, the aperture of the filter screen is smaller than that of the separating hole, so that the liquid dung passing through the separating hole is filtered by the filter screen, the liquid dung passes through the filter screen, and the excrement with smaller diameter is left in the separating body, so that the excrement and the liquid dung can be fully pre-separated.

Furthermore, a third discharging pipe is arranged at the bottom of the separating body, one end of the third discharging pipe is communicated with the inside of the separating body, the other end of the third discharging pipe is communicated with the feeding hole, a second electromagnetic valve is communicated between the third discharging pipes and electrically connected with a controller, the third discharging pipe is communicated with the inside of the separating body and used for opening and closing the third discharging pipe, the controller is used for turning the second electromagnetic valve to work, the second electromagnetic valve is closed by the controller when the drainage pipe discharges the liquid dung, the liquid dung is prevented from entering the third pipe to be discharged, the drainage pipe turns the second electromagnetic valve to open a pipeline of the third discharging pipe after discharging the liquid dung in the separating body, and the third discharging pipe is used for discharging the liquid dung left after filtering by the filter screen, and the excrement subjected to secondary separation is conveyed to the feed inlet through a third discharge pipe, and is separated again through a dry-wet separator.

Further, the junction of row's material pipe and the separator is equipped with the second rubber ring to the third, and the second rubber ring is connected with the outer wall of row's material pipe of third, and the second rubber ring is used for sealing the junction of row's material pipe and separator, has avoided the liquid dung of separator inside to take place to leak through the junction of row's material pipe of third and separator.

Compared with the prior art, the invention has the following advantages and beneficial effects:

1. according to the combined type high-frequency vibration dry-wet pre-separation device, the filter screen arranged in the drain pipe is convenient for secondary filtration of liquid dung, the aperture of the filter screen is smaller than that of the separation hole, so that the filter screen filters the liquid dung passing through the separation hole, the liquid dung passes through the filter screen, and the liquid dung with smaller diameter is left in the separation body;

2. according to the combined type high-frequency vibration dry-wet pre-separation device, the controller continuously moves the vibration mechanism to work, when the excrement in the separation hopper forms jelly, the controller moves the first electromagnetic valve to work, the channel of the first discharging pipe is opened through the first electromagnetic valve, and the filtered excrement is conveyed to the feeding hole of the dry-wet separator through the first discharging pipe and the second discharging pipe;

3. according to the combined high-frequency vibration dry-wet pre-separation device, the controller regulates and controls the vibration frequency of the vibration mechanism, so that liquid dung with different water contents can be conveniently subjected to dry-wet pre-separation, the separation hopper is continuously vibrated, so that liquid dung in the liquid dung enters the separation body through the separation holes, and the liquid dung filtered by water is left in the separation hopper.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic view of the structure of the present invention.

Reference numbers and corresponding part names in the drawings:

1-a separation body, 2-a support column, 3-a support strip, 4-a separation hopper, 5-a separation hole, 6-a first discharge pipe, 7-a first electromagnetic valve, 8-a second discharge pipe, 9-a feed inlet, 10-a first rubber ring, 11-a controller, 12-a vibrator, 13-a support rod, 14-a fixed rod, 15-a vibration spring, 16-a discharge pipe, 17-a filter screen, 18-a third discharge pipe, 19-a second electromagnetic valve and 20-a second rubber ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Example 1

The invention relates to a combined type high-frequency vibration dry-wet pre-separation device, which comprises a separation body 1, wherein the separation body 1 is a hollow cylinder, the upper end of the separation body 1 is provided with an opening, two sides of the upper end surface of the separation body 1 are connected with support columns 2, the upper end surface of each support column 2 is connected with a support strip 3, the lower end surface of each support strip 3 is connected with a vibration mechanism, a separation hopper 4 is connected below the vibration mechanism, the separation hopper 4 is a trapezoidal body with a hollow interior, the upper end of the separation hopper 4 is provided with an opening, the caliber of the upper end surface of the separation hopper 4 is gradually reduced from the caliber of the lower end surface, the separation hopper 4 is positioned inside the separation body 1, the separation hopper 4 is positioned above the separation body 1, the separation hopper 4 is provided with a plurality of separation holes 5, the separation holes 5 penetrate through the inner wall and the outer wall of the separation hopper 4, the separation holes 5 are uniformly distributed on the separation hopper 4, the bottom of the separation hopper 4 is provided with a first discharging pipe 6, first row of material pipe 6 and separator 4's inside intercommunication, the intercommunication has first solenoid valve 7 between the first row of material pipe 6, the one end of first row of material pipe 6 is equipped with the second and arranges material pipe 8, the second is arranged material pipe 8 and is the flexible tube, the one end and the first row of material pipe 6 intercommunication of second row material pipe 8, the other end that the second was arranged material pipe 8 is located the outside of disjunctor 1, disjunctor 1 below is equipped with feed inlet 9 of dry-wet separating centrifuge, the other end that the second was arranged material pipe 8 is located the top of feed inlet 9, the second is arranged material pipe 8 and is connected with of disjunctor 1 and is equipped with first rubber ring 10, the outer wall connection of material pipe 8 is arranged to first rubber ring 10 and second, connect controller 11 on the outer wall of one side of disjunctor 1, vibration mechanism, first solenoid valve 7 all with controller 11 electric connection.

The specific implementation manner of this embodiment is: the first electromagnetic valve is moved by the controller to work, so that the first discharging pipe is closed by the first electromagnetic valve, the vibrating mechanism is moved by the controller to work, the vibrating mechanism drives the separating hopper to vibrate up and down in the separating body, excrement liquid required to be subjected to dry-wet pre-separation is poured from the upper end of the separating hopper to enter the separating hopper, the vibrating mechanism drives the separating hopper to vibrate, the separating hopper drives the excrement liquid to vibrate together, the controller regulates and controls the vibration frequency of the vibrating mechanism so as to facilitate the dry-wet pre-separation of the excrement liquid with different water contents, the separating hopper continuously vibrates to ensure that the excrement liquid in the excrement liquid enters the separating body through the separating holes, excrement of filtered water is left in the separating hopper, the vibrating mechanism is continuously moved by the controller to work, and when the excrement in the separating hopper forms jelly, the first electromagnetic valve is moved to work through the controller, a channel of the first discharging pipe is opened through the first electromagnetic valve, excrement after filtration enters the second discharging pipe through the first discharging pipe, the excrement is conveyed to a feeding hole of the dry-wet separator through the second discharging pipe, the dry-wet separator is convenient to perform dry-wet separation on the excrement again, after the excrement is discharged through excrement water in the separator, continuous dry-wet pre-separation is convenient to perform on the excrement liquid through repeated operation, the dry-wet pre-separation device is provided through the combined type high-frequency vibration dry-wet pre-separation device, the problem that the existing excrement after the livestock and poultry are fed with the concentrated feed is difficult to form a solid state, the excrement is mixed with the excrement water in a collecting pool to form paste, and the problem that the existing dry-wet separator is difficult to separate is solved.

Example 2

Based on embodiment 1, as shown in fig. 1, the vibration mechanism includes a vibrator 12, the vibrator 12 is connected to the lower end surface of the supporting bar 3, the vibrator 12 is connected to the upper end surface of the separation bucket 4 through a supporting bar 13, a fixing bar 14 is provided between the vibrator 12 and the supporting bar 3, one end of the fixing bar 14 is connected to the vibrator 12, the other end of the fixing bar 14 is connected to the lower end surface of the supporting bar 3, the vibrator 12 is electrically connected to a controller 11, a vibration spring 15 is provided between the separation bucket 4 and the separation body 1, one end of the vibration spring 15 is connected to the outer wall of the separation bucket 4, and the other end of the vibration spring 15 is connected to the inner wall of the separation body 1.

The specific implementation manner of this embodiment is: the upper end face of the vibrator is connected with the lower end face of the supporting bar, the controller is used for moving the vibrator to work, so that the vibrator outputs different vibration frequencies, the liquid dung with different water contents is conveniently subjected to dry-wet pre-separation, the supporting bar is used for connecting the vibrator with the upper end face of the separation hopper and is connected with four corners of the upper end face of the separation hopper through the supporting bar, so that the vibrator is convenient to drive the separation hopper to vibrate, the fixing bar is used for enhancing the connection of the vibrator and the supporting bar, the deflection generated when the vibrator drives the separation hopper to vibrate is avoided, the vibrator is also convenient to be separated from the lower end face of the supporting bar, a vibration spring is arranged between the separation hopper and the separation body, one end of the vibration spring is connected with the outer wall of the separation hopper, the other end of the vibration spring is connected with the inner wall of the separation body, the vibration spring is used for enhancing the connection of the separation hopper, and the problem of left-right shaking generated when the vibration mechanism drives the separation hopper to vibrate is avoided, the vibrating spring is also used for enhancing the vibration of the separating hopper, when the vibrating mechanism drives the separating hopper to move downwards, the vibrating spring is compressed by the separating hopper, the vibrating spring promotes the separating hopper to move upwards when the separating hopper moves upwards, and the vibrating spring increases the vibration of the separating hopper, so that the liquid dung is promoted to be subjected to dry-wet pre-separation.

Example 3

Based on the basis of the above embodiment, as shown in fig. 1, a drain pipe 16 is arranged on the outer wall of the other side of the separation body 1, the drain pipe 16 is communicated with the inside of the separation body 1, the joint of the drain pipe 16 and the separation body 1 is located at the bottom of the separation body 1, a filter screen 17 is arranged on the inner wall of the drain pipe 16, the aperture of the filter screen 17 is smaller than that of the separation hole 5, a third discharge pipe 18 is further arranged at the bottom of the separation body 1, one end of the third discharge pipe 18 is communicated with the inside of the separation body 1, the other end of the third discharge pipe 18 is communicated with the feed inlet 9, a second electromagnetic valve 19 is communicated between the third discharge pipes 18, the second electromagnetic valve 19 is electrically connected with the controller 11, a second rubber ring 20 is arranged at the joint of the third discharge pipe 18 and the separation body 1, and the second rubber ring 20 is connected with the outer wall of the third discharge pipe 18.

The specific implementation manner of this embodiment is: the drain pipe is used for discharging separated liquid dung, so that the liquid dung separated from the interior of the separating body is discharged, a large amount of liquid dung is prevented from being accumulated in the separating body, a liquid dung grinding and separating hopper is avoided, dry-wet pre-separation of liquid dung is difficult to carry out, the separated liquid dung is discharged into the collecting pool through the drain pipe to be stored, excrement with smaller diameter enters the interior of the separating body through the separating holes when the vibrating mechanism drives the separating hopper to vibrate, a filter screen arranged in the drain pipe is convenient for filtering the liquid dung again, the aperture of the filter screen is smaller than that of the separating holes, the excrement passing through the separating holes is filtered by the filter screen, the excrement with smaller diameter is left in the separating body, the full pre-separation of the excrement and the liquid dung is convenient to realize, the third discharging pipe is used for being communicated with the interior of the separating body, the second electromagnetic valve is used for opening, The third discharging pipe is closed, the controller is used for moving the second electromagnetic valve to work, the second electromagnetic valve is closed through the controller when the drain pipe discharges liquid dung, the liquid dung is prevented from entering the third discharging pipe, the drain pipe drives the second electromagnetic valve through the controller to open a pipeline of the third discharging pipe after discharging the liquid dung in the separating body, the third discharging pipe is used for discharging the remaining liquid dung after filtering the filter screen, the liquid dung after re-separating is conveyed to the feed inlet through the third discharging pipe, the liquid dung is separated again through the dry-wet separator, a second rubber ring is arranged at the joint of the third discharging pipe and the separating body, the second rubber ring is connected with the outer wall of the third discharging pipe and used for sealing the joint of the third discharging pipe and the separating body, and leakage of the liquid dung in the separating body at the joint of the third discharging pipe and the separating body is avoided.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.