CN218146292U - Livestock manure fermentation premixing machine - Google Patents

Abstract

The utility model relates to the technical field of livestock and poultry manure treatment, in particular to a livestock and poultry manure fermentation premixer which can fully and uniformly mix zymophyte and manure in advance, so that the zymophyte can be fully contacted with the manure, the fermentation efficiency is increased, a mixing tank can be automatically cleaned, the use is convenient, and the reliability is high; the mixing tank comprises a base plate, a support plate and a mixing tank, wherein the support plate is fixedly arranged at the upper end of the base plate through the support, the mixing tank is fixedly arranged on the support plate, a cavity is arranged in the mixing tank, the upper end of the mixing tank is provided with an opening, the lower part of the mixing tank is provided with a discharge pipe, and the discharge pipe is provided with a valve; the automatic cleaning device is characterized by further comprising a supporting table, an electric turntable A, a lifting device, a stirring device and a cleaning device, wherein the supporting table is fixedly installed at the upper end of the bottom plate, the electric turntable A is fixedly installed at the upper end of the supporting table, the lifting device is installed at the rotating end of the upper portion of the electric turntable A, the stirring device is installed on the lifting device, and the cleaning device is installed at the right portion of the upper end of the bottom plate.

Description

Livestock manure fermentation premixing machine

Technical Field

The utility model relates to a livestock and poultry manure treatment's technical field especially relates to a livestock and poultry manure fermentation premixer.

Background

At present, china has become the largest meat and egg producing country in the world, and the production amounts of pork, poultry meat and eggs are in the first place in the world, but with the serious environmental pollution caused by livestock and poultry manure, various treatment modes for the livestock and poultry manure exist at present, wherein the most widely used mode is anaerobic fermentation, so that methane is produced for people, and meanwhile, bacteria and viruses in the livestock and poultry manure can be killed by high temperature generated in the anaerobic fermentation process, so that diseases are prevented from being spread.

The present livestock and poultry manure fermentation treatment device, such as a livestock and poultry manure rapid fermentation tank with the patent application number of "CN201621286002.2" and a livestock and poultry manure fermentation device with the patent application number of "CN 202021028313.5", is that when in use, livestock and poultry manure is added into the fermentation device, and fermentation bacteria are added into the manure between the fermentation device and the fermentation device, so that the fermentation bacteria can ferment the manure in an anaerobic environment.

It is found in the use, because some excrement and urine can be cohered together, its granule is great, and after directly adding fermentation tubes into excrement and urine, fermentation tubes can not be abundant with excrement and urine contact, leads to its fermentation efficiency to reduce, so need one kind can be in advance with the premix device of fermentation tubes fully mixed with excrement and urine.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can be in advance with the abundant misce bene of zymophyte and excrement and urine, make the zymophyte can be abundant with the excrement and urine contact, increased fermented efficiency to can carry out self-cleaning, convenient to use, animal manure fermentation premixer that the reliability is high to the blending tank.

The utility model discloses a fermentation premixing machine of livestock and poultry manure, which comprises a bottom plate, a bracket, an extension plate and a mixing tank, wherein the extension plate is fixedly arranged at the upper end of the bottom plate through the bracket; the automatic cleaning device comprises a bottom plate, a support table, an electric turntable A, a lifting device, a stirring device and a cleaning device, wherein the support table is fixedly arranged at the upper end of the bottom plate; firstly, adding livestock and poultry manure to be fermented into a cavity of a mixing tank, then adding fermentation bacteria into the cavity of the mixing tank, then opening a stirring device to stir the manure and the fermentation bacteria in the cavity of the mixing tank, fully mixing the fermentation bacteria and the manure, then opening a valve on a discharge pipe at the lower part of the mixing tank, discharging the manure uniformly mixed with the fermentation bacteria, transferring the manure into a fermentation tank for fermentation, then cleaning the cavity of the mixing tank through a cleaning device, cleaning the cavity of the mixing tank, and preparing for next use; it can be in advance with the abundant misce bene of zymophyte and excrement and urine, make the zymophyte can be abundant with the excrement and urine contact, increased the efficiency of fermentation to can carry out self-cleaning to the blending tank, convenient to use, the reliability is high.

Preferably, the lifting device comprises a base plate, slide rails, a top plate, a motor A, a lead screw A and a slide block A, the base plate is fixedly arranged at the rotating end of the upper part of the electric turntable A, the two groups of slide rails are fixedly arranged at the upper end of the base plate, the top plate is fixedly arranged at the upper ends of the two groups of slide rails, the motor A is fixedly arranged at the upper end of the top plate, the lead screw A is rotatably arranged on the top plate and the base plate, the slide block A and the lead screw A are in threaded arrangement, the slide block A is vertically and slidably arranged on the two groups of slide rails, and the stirring devices are respectively arranged at the left part and the right part of the slide block A; open motor A, motor A drives lead screw A rotatory, and rotatory lead screw A drives slider A height-adjusting, and slider A drives agitating unit height-adjusting, when stirring the excrement and urine in the blending tank cavity, makes agitating unit descend to in the cavity of blending tank, when wasing the cavity of blending tank, makes agitating unit shift out the cavity of blending tank, prevents to take place to interfere convenient to use with belt cleaning device.

Preferably, the stirring device comprises a fixed plate, a driving motor, a rotating shaft, a plurality of groups of stirring blades, a plurality of groups of stirring rods and a longitudinal mixing device, the fixed plate is fixedly arranged at the right end of the sliding block A, the driving motor is fixedly arranged at the upper end of the fixed plate, the rotating shaft is rotatably arranged on the fixed plate, the upper end of the rotating shaft is connected with the output end of the driving motor, the plurality of groups of stirring blades and the plurality of groups of stirring rods are fixedly arranged on the rotating shaft, and the longitudinal mixing device is arranged at the left part of the sliding block A; when excrement and urine and fermentation tubes to the blending tank cavity stir the mixture, at first make multiunit stirring piece and multiunit puddler all be located the cavity of blending tank, later open driving motor, driving motor drives the pivot rotation, the pivot drives multiunit stirring piece and multiunit puddler rotation, rotatory multiunit stirring piece has promoted controlling between excrement and the fermentation tubes and has mixed, rotatory multiunit puddler has certain effect of smashing to excrement and urine simultaneously, make bold excrement and urine broken into the fritter, the area of contact of excrement and urine with the fermentation tubes has been increased, the mixture of excrement and urine with the fermentation tubes has been promoted.

Preferably, the longitudinal mixing device comprises a connecting plate, a servo motor and a rotating shaft, the connecting plate is fixedly arranged at the left end of the sliding block A, the servo motor is fixedly arranged at the upper end of the connecting plate, the rotating shaft is rotatably arranged on the connecting plate, the upper end of the rotating shaft is connected with the output end of the servo motor, and the rotating shaft is provided with a helical blade; after the excrement and urine stirring in the multiunit stirring piece is to the blending tank cavity is accomplished, at first make slider A rise, slider A makes the pivot rise to the top of blending tank through the fixed plate, later open electric turntable A, electric turntable A drives the base plate rotatory, the base plate makes slider A rotatory around electric turntable A's axis through two sets of slide rails, make the connecting plate rotatory to slider A's right side, the connecting plate makes the axis of rotation be located the top of blending tank, later make slider A drive the connecting plate decline again, the connecting plate drives the axis of rotation and descends to the cavity of blending tank in, later open servo motor, servo motor drives the axis of rotation rotatory, the axis of rotation drives helical blade rotatory, helical blade makes excrement and fermentation tubes in the blending tank cavity turn over from top to bottom at rotatory in-process, the mixture of excrement and fermentation tubes has further been promoted.

Preferably, the cleaning device comprises a moving device, a transverse plate, a power motor, a rotating shaft and a plurality of groups of scraping plates, the moving device is installed on the bottom plate, the transverse plate is installed on the moving device, the power motor is fixedly installed at the upper end of the transverse plate, the rotating shaft is rotatably installed on the transverse plate, the upper end of the rotating shaft is connected with the output end of the power motor, the scraping plates are fixedly installed on the rotating shaft, and brushes are arranged on the scraping plates; after excrement and urine discharge in the blending tank cavity, at first make the pivot shift out the cavity of blending tank, later make the diaphragm remove through the mobile device, the diaphragm makes the multiunit scraper blade remove to the cavity of blending tank through the rotation axis in, and the brush on the multiunit scraper blade all pastes tightly with the inside wall of blending tank cavity, later add the cavity of blending tank with the clear water, later open motor power, motor power drives the rotation axis rotation, the rotation axis drives the multiunit scraper blade rotatory, the multiunit scraper blade drives the brush rotation, make remaining excrement and urine on the indoor lateral wall of blending tank cavity by the sanitization, prevented that excrement and urine from remaining for a long time and making the blending tank produce the stink in the blending tank, made things convenient for the washing to the blending tank.

Preferably, the moving device comprises a support block, an electric turntable B, a support plate, two sets of slide rails B, a top plate B, a motor B, a lead screw B and a slide block B, wherein the support block is fixedly arranged at the upper end of the bottom plate, the electric turntable B is fixedly arranged at the upper end of the support block, the support plate is fixedly arranged at the rotating end of the upper part of the electric turntable B, the two sets of slide rails B are fixedly arranged at the upper end of the support plate, the top plate B is fixedly arranged at the upper ends of the two sets of slide rails B, the motor B is fixedly arranged at the upper end of the top plate B, the lead screw B is rotatably arranged on the support plate and the top plate B, the upper end of the lead screw B is connected with the output end of the motor B, the slide block B is vertically slidably arranged on the top plate B, and the slide block B and the lead screw B are screwed; when the cavity of the mixing tank needs to be cleaned, firstly, an electric turntable B is opened, the electric turntable B drives a supporting plate to rotate, the supporting plate enables a sliding block B to drive a transverse plate to rotate through two groups of sliding rails B, the transverse plate enables a rotating shaft to move above the mixing tank, then, a motor B is opened, the motor B drives a lead screw B to rotate, the rotating lead screw B enables the transverse plate to drive the rotating shaft to descend into the cavity of the mixing tank through the sliding block B, the rotating shaft enables a plurality of groups of scraping plates to descend into the cavity of the mixing tank, a plurality of groups of brushes on the mixing tank are tightly attached to the inner side wall of the cavity of the mixing tank, and then, clean water is added into the cavity of the mixing tank; the cleaning of the mixing tank is facilitated.

Preferably, a dust cover is arranged on the power motor; through the arrangement, dust falling onto the power motor from the outside is reduced, and the cleanness of the power motor in the using process is improved.

Compared with the prior art, the beneficial effects of the utility model are that: can be in advance with the abundant misce bene of zymophyte and excrement and urine, make the zymophyte can be abundant with the excrement and urine contact, increased the efficiency of fermentation to can carry out self-cleaning to the blending tank, convenient to use, the reliability is high.

Drawings

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

FIG. 2 is a schematic structural diagram of a base plate, a slide block A, a motor A and the like;

FIG. 3 is a schematic structural diagram of a motor B, a power motor, a transverse plate and the like;

fig. 4 is a schematic front view of the present invention;

in the drawings, the reference numbers: 1. a base plate; 2. a support; 3. a support plate; 4. a mixing tank; 5. a support platform; 6. an electric turntable A; 7. a substrate; 8. a slide rail A; 9. a top plate A; 10. a motor A; 11. a lead screw A; 12. a slide block A; 13. a fixing plate; 14. a drive motor; 15. a rotating shaft; 16. stirring sheets; 17. a stirring rod; 18. a connecting plate; 19. a servo motor; 20. a rotating shaft; 21. a transverse plate; 22. a power motor; 23. a rotating shaft; 24. a squeegee; 25. supporting a block; 26. an electric turntable B; 27. a support plate; 28. a slide rail B; 29. a top plate B; 30. a motor B; 31. a lead screw B; 32. and a slide block B.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

As shown in figures 1 to 4, the livestock manure fermentation pre-mixer of the utility model comprises a bottom plate 1, a bracket 2, a support plate 3, a mixing tank 4, a support platform 5, an electric turntable A6, a lifting device, a stirring device, a transverse plate 21, a power motor 22, a rotating shaft 23, a plurality of groups of scraping plates 24, a support block 25, an electric turntable B26, a support plate 27, two groups of sliding rails B28, a top plate B29, a motor B30, a lead screw B31 and a slider B32, wherein the support plate 3 is fixedly arranged at the upper end of the bottom plate 1 through the bracket 2, the mixing tank 4 is fixedly arranged on the support plate 3, a cavity is arranged inside the mixing tank 4, the upper end of the mixing tank 4 is an opening, the lower part of the mixing tank 4 is provided with a discharge pipe, the discharge pipe is provided with a valve, the support platform 5 is fixedly arranged at the upper end of the bottom plate 1, the electric turntable A6 is fixedly arranged at the upper end of the support platform 5, the lifting device is arranged at the rotating end of the upper part of the electric turntable A6, agitating unit installs on elevating gear, power motor 22 fixed mounting is in diaphragm 21 upper end, rotation axis 23 rotates and installs on diaphragm 21, the upper end of rotation axis 23 is connected with power motor 22's output, the equal fixed mounting of multiunit scraper blade 24 is on rotation axis 23, all be provided with the brush on the multiunit scraper blade 24, prop up piece 25 fixed mounting in bottom plate 1 upper end, electronic carousel B26 fixed mounting is in a piece 25 upper end, backup pad 27 fixed mounting is in the rotation end on electronic carousel B26 upper portion, two sets of slide rail B28 all fixed mounting are in backup pad 27 upper end, roof B29 fixed mounting is in two sets of slide rail B28 upper ends, motor B30 fixed mounting is in roof B29 upper end, lead screw B31 rotates and installs on backup pad 27 and roof B29, the upper end of lead screw B31 is connected with motor B30's output, slide block B32 is slidable mounting from top to bottom on roof B29, slider B32 and lead screw B31 spiral shell dress.

As shown in fig. 2 and fig. 3, the lifting device includes a base plate 7, slide rails 8, a top plate 9, a motor a10, a lead screw a11 and a slider a12, the stirring device includes a fixing plate 13, a driving motor 14, a rotating shaft 15, a plurality of sets of stirring blades 16, a plurality of sets of stirring rods 17, a connecting plate 18, a servo motor 19 and a rotating shaft 20, the base plate 7 is fixedly installed at a rotating end on the upper portion of an electric turntable A6, two sets of slide rails 8 are all fixedly installed at the upper end of the base plate 7, the top plate 9 is fixedly installed at the upper ends of the two sets of slide rails 8, the motor a10 is fixedly installed at the upper end of the top plate 9, the lead screw a11 is rotatably installed on the top plate 9 and the base plate 7, the slider a12 is screwed with the lead screw a11, the slider a12 is vertically slidably installed on the two sets of slide rails 8, the fixing plate 13 is fixedly installed at the right end of the slider a12, the driving motor 14 is fixedly installed at the upper end of the fixing plate 13, the rotating shaft 15 is rotatably installed on the fixing plate 13, the upper end of the connecting plate 18, the rotating shaft 20 is rotatably installed at the upper end of the connecting plate 18, the upper end of the connecting plate 18 is connected with the upper end of the connecting plate 20, the spiral blades 20, and the output end of the servo motor 20 are provided with the spiral blades 20.

The utility model discloses a livestock and poultry excrement and urine fermentation pre-mixer, it is at work, at first add the livestock and poultry excrement and urine that needs the fermentation in the cavity of blending tank 4, later add zymophyte in the cavity of blending tank 4, then open driving motor 14, driving motor 14 drives pivot 15 rotatory, pivot 15 drives multiunit stirring piece 16 and multiunit puddler 17 rotatory, rotatory multiunit stirring piece 16 has promoted the left and right sides between excrement and urine and the zymophyte and has mixed, rotatory multiunit puddler 17 has certain effect of smashing to excrement and urine simultaneously, make bold excrement and urine break into the fritter, increased the area of contact of excrement and urine and zymophyte, later open motor A10, motor A10 drives lead screw A11 rotatory, rotatory lead screw A11 drives slider A12 height-adjusting, slider A12 drives fixed plate 13 and rises, fixed plate 13 makes pivot 15 rise to the top of blending tank 4, then, the electric turntable A6 is opened, the electric turntable A6 drives the substrate 7 to rotate, the substrate 7 enables the sliding block A12 to rotate around the axis of the electric turntable A6 through the two groups of sliding rails 8, the connecting plate 18 rotates to the right side of the sliding block A12, the connecting plate 18 enables the rotating shaft 20 to be located above the mixing tank 4, then the sliding block A12 drives the connecting plate 18 to descend, the connecting plate 18 drives the rotating shaft 20 to descend into the cavity of the mixing tank 4, then the servo motor 19 is opened, the servo motor 19 drives the rotating shaft 20 to rotate, the rotating shaft 20 drives the spiral blades to rotate, and the spiral blades enable excrement and fermentation bacteria in the cavity of the mixing tank 4 to be overturned up and down in the rotating process, so that the mixture of the excrement and the fermentation bacteria is further promoted, then a valve on a discharge pipe on the lower portion of the mixing tank 4 is opened, and the excrement uniformly mixed with the fermentation bacteria is discharged and then transferred to a fermentation tank for fermentation; can be in advance with the abundant misce bene of zymophyte and excrement and urine, make the contact of zymophyte can be abundant with excrement and urine, increased the efficiency of fermentation.

When the cavity of the mixing tank 4 needs to be cleaned, firstly, the electric rotating disc A6 is opened, the electric rotating disc A6 enables the two sets of slide rails 8 to drive the slide block a12 to rotate through the electric rotating disc A6, the slide block a12 drives the fixing plate 13 and the connecting plate 18 to rotate, so that the fixing plate 13 and the connecting plate 18 are not located above the mixing tank 4, then, the electric rotating disc B26 is opened, the electric rotating disc B26 drives the supporting plate 27 to rotate, the supporting plate 27 enables the slide block B32 to drive the transverse plate 21 to rotate through the two sets of slide rails B28, the transverse plate 21 enables the rotating shaft 23 to move to the upper portion of the mixing tank 4, then, the motor B30 is opened, the motor B30 drives the lead screw B31 to rotate, the rotating shaft 21 drives the rotating shaft 23 to descend into the cavity of the mixing tank 4 through the slide blocks B32, the rotating shaft 23 enables the multiple sets of scraper blades 24 to descend into the cavity of the mixing tank 4, so that the brushes on the mixing tank 4 are all attached to the inner side wall of the mixing tank 4, then, clean and clean the inner side wall of the mixing tank 4, and clean the mixing tank 4 can be cleaned, and the residual odor on the mixing tank 4 is prevented, and the mixing tank 4 is convenient for a long time.

The installation mode, the connection mode or the setting mode of the livestock and poultry manure fermentation premixer of the utility model are common mechanical modes, and the installation mode, the connection mode or the setting mode can be implemented as long as the beneficial effects can be achieved; the utility model discloses a blending tank 4, electric turntable A6, stirring piece 16, puddler 17, driving motor 22, electric turntable B26, motor B30 and lead screw B31 of animal manure fermentation premixing machine are purchase on the market, and technical staff only need install and operate according to its subsidiary instructions in this industry can, and need not the technical staff in this field and pay out creative work.

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, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention is understood according to the specific circumstances.

The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A livestock and poultry manure fermentation premixing machine comprises a base plate (1), a support (2), a support plate (3) and a mixing tank (4), wherein the support plate (3) is fixedly arranged at the upper end of the base plate (1) through the support (2), the mixing tank (4) is fixedly arranged on the support plate (3), a cavity is arranged inside the mixing tank (4), the upper end of the mixing tank (4) is provided with an opening, the lower part of the mixing tank (4) is provided with a discharging pipe, and a valve is arranged on the discharging pipe; the automatic cleaning device is characterized by further comprising a supporting platform (5), an electric turntable A (6), a lifting device, a stirring device and a cleaning device, wherein the supporting platform (5) is fixedly installed at the upper end of the bottom plate (1), the electric turntable A (6) is fixedly installed at the upper end of the supporting platform (5), the lifting device is installed at the rotating end of the upper portion of the electric turntable A (6), the stirring device is installed on the lifting device, and the cleaning device is installed at the right portion of the upper end of the bottom plate (1).

2. The fermentation and premixing machine for the excrement of livestock and poultry according to claim 1, wherein the lifting device comprises a base plate (7), slide rails (8), a top plate (9), a motor A (10), a lead screw A (11) and a slide block A (12), the base plate (7) is fixedly arranged at the rotating end of the upper part of the electric turntable A (6), the two groups of slide rails (8) are fixedly arranged at the upper end of the base plate (7), the top plate (9) is fixedly arranged at the upper ends of the two groups of slide rails (8), the motor A (10) is fixedly arranged at the upper end of the top plate (9), the lead screw A (11) is rotatably arranged on the top plate (9) and the base plate (7), the slide block A (12) and the lead screw A (11) are spirally arranged, the slide block A (12) is vertically slidably arranged on the two groups of slide rails (8), and the stirring devices are respectively arranged at the left part and the right part of the slide block A (12).

3. The fermentation premixing machine for poultry and livestock excrements as defined in claim 1, wherein the stirring device comprises a fixing plate (13), a driving motor (14), a rotating shaft (15), a plurality of groups of stirring blades (16), a plurality of groups of stirring rods (17) and a longitudinal mixing device, the fixing plate (13) is fixedly installed at the right end of the sliding block A (12), the driving motor (14) is fixedly installed at the upper end of the fixing plate (13), the rotating shaft (15) is rotatably installed on the fixing plate (13), the upper end of the rotating shaft (15) is connected with the output end of the driving motor (14), the groups of stirring blades (16) and the groups of stirring rods (17) are fixedly installed on the rotating shaft (15), and the longitudinal mixing device is installed at the left part of the sliding block A (12).

4. A fermentation pre-mixer for livestock and poultry manure according to claim 3, characterized in that the longitudinal mixing device comprises a connecting plate (18), a servo motor (19) and a rotating shaft (20), the connecting plate (18) is fixedly arranged at the left end of the slide block a (12), the servo motor (19) is fixedly arranged at the upper end of the connecting plate (18), the rotating shaft (20) is rotatably arranged on the connecting plate (18), the upper end of the rotating shaft (20) is connected with the output end of the servo motor (19), and the rotating shaft (20) is provided with helical blades.

5. The fermentation premixing machine for the excrement of livestock and poultry according to claim 1, characterized in that the cleaning device comprises a moving device, a transverse plate (21), a power motor (22), a rotating shaft (23) and a plurality of sets of scraping plates (24), the moving device is installed on the bottom plate (1), the transverse plate (21) is installed on the moving device, the power motor (22) is fixedly installed at the upper end of the transverse plate (21), the rotating shaft (23) is rotatably installed on the transverse plate (21), the upper end of the rotating shaft (23) is connected with the output end of the power motor (22), the plurality of sets of scraping plates (24) are fixedly installed on the rotating shaft (23), and brushes are arranged on the plurality of sets of scraping plates (24).

6. A livestock and poultry manure fermentation pre-mixer as claimed in claim 5, wherein the moving device comprises a support block (25), an electric rotating disk B (26), a support plate (27), two sets of slide rails B (28), a top plate B (29), a motor B (30), a screw rod B (31) and a slide block B (32), the support block (25) is fixedly installed at the upper end of the bottom plate (1), the electric rotating disk B (26) is fixedly installed at the upper end of the support block (25), the support plate (27) is fixedly installed at the rotating end of the upper part of the electric rotating disk B (26), the two sets of slide rails B (28) are fixedly installed at the upper end of the support plate (27), the top plate B (29) is fixedly installed at the upper end of the two sets of slide rails B (28), the motor B (30) is fixedly installed at the upper end of the top plate B (29), the screw rod B (31) is rotatably installed on the support plate (27) and the top plate B (29), the upper end of the screw rod B (31) is connected with the output end of the motor B (30), the slide block B (32) is slidably installed on the top plate B (29) up and down, and the slide block B (32) is screwed with the screw rod B (31).

7. A pre-mixer for fermentation of poultry and livestock manure according to claim 5, characterized in that the power motor (22) is provided with a dust cover.

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