CN114477492A - Kitchen waste biogas slurry pretreatment device - Google Patents

Abstract

The application discloses kitchen residue natural pond liquid pretreatment device relates to kitchen residue natural pond liquid processing's field, including deoiling pond, air supporting pond and the equalizing basin that sets gradually, natural pond liquid flows to the equalizing basin from the deoiling pond via the air supporting pond, be provided with the drum in the deoiling pond, the lateral wall of drum is connected on the double-phase inner wall on the relative long limit in deoiling pond, the drum separates the deoiling pond for first district, second district and third district, the second district is the inner chamber of drum, the first district lateral wall is provided with the inlet pipe, the inlet has been seted up in the lateral wall in first district to the drum, the lateral wall that the drum is close to the third district is provided with the drain pipe, third district and air supporting pond are linked together, be provided with deoiling device in the second district. This application is handled kitchen residue natural pond liquid through aqueous vapor homogeneous method to get rid of most grease and suspended solid through the deoiling pond, improve the treatment effect to kitchen residue natural pond liquid.

Description

Kitchen waste biogas slurry pretreatment device

Technical Field

The application relates to the technical field of kitchen waste biogas slurry treatment, in particular to a kitchen waste biogas slurry pretreatment device.

Background

The kitchen waste biogas slurry mainly comes from waste water generated in food waste treatment, has the characteristics of high COD (chemical oxygen demand), high grease, high suspended matter, high salinity and the like, and is directly discharged without treatment, so that the ecological environment is easily influenced.

Before the processing of kitchen surplus natural pond liquid, all can carry out the preliminary treatment to kitchen surplus natural pond liquid to it through the preliminary treatment structure usually, the preliminary treatment structure is mainly including setting gradually the air supporting pond, equalizing basin and mud collecting pit, be provided with air feeder in the air supporting pond, kitchen surplus natural pond liquid enters into behind the air supporting pond, add the medicament in the air supporting pond, and blow through air feeder, the bubble of production can make the floccule in the natural pond liquid rise to the surface of water, the clearance of the later stage dross of being convenient for, the air supporting pond communicates to the silt collecting pit, can collect the silt that the air supporting pond depositd and the processing in later stage, the natural pond liquid of good processing then enters into the equalizing basin in the air supporting pond, then the rethread adjusting pit gets into in subsequent biochemical treatment's technology.

The kitchen waste biogas slurry contains more grease and suspended matters, and the working efficiency of the air floatation tank is easily influenced when the kitchen waste biogas slurry enters the air floatation tank together with the biogas slurry, so that an improved space exists.

Disclosure of Invention

In order to improve the treatment effect to grease, suspended solid in the kitchen waste natural pond liquid, this application provides a kitchen waste natural pond liquid pretreatment device.

The application provides a kitchen waste natural pond liquid pretreatment device adopts following technical scheme:

a pretreatment device for kitchen waste biogas slurry comprises an oil removal tank, an air flotation tank and an adjusting tank which are sequentially arranged, wherein biogas slurry flows from the oil removal tank to the adjusting tank through the air flotation tank, a cylinder is arranged in the oil removal tank, the side wall of the cylinder is connected to the inner walls of two opposite long edges of the oil removal tank, the cylinder divides the oil removal tank into a first area, a second area and a third area, the second area is an inner cavity of the cylinder, a feeding pipe is arranged on the side wall of the first area, a liquid inlet is arranged on the side wall of the cylinder in the first area, a liquid outlet pipe is arranged on the side wall of the cylinder close to the third area, the third area is communicated with the air flotation tank, and a deoiling device is arranged in the second area;

the bottom surface of the second area is vertically provided with a stand column, the stand column and the cylinder are coaxially arranged, the oil removing device comprises a rotating cylinder which is rotatably arranged on the side wall of the upper end of the stand column and an oil collecting frame which is arranged on the side wall of the rotating cylinder, the oil removing pool is provided with a driving piece for driving the rotating cylinder to rotate, the oil collecting frame extends along the radial direction of the cylinder, the oil collecting frame is provided with a hollow groove, a rotating shaft is rotatably arranged in the hollow groove, the outer wall of the rotating shaft is provided with a rotating roller, the bottom surface of the oil collecting frame is provided with a abdicating groove for accommodating the rotating roller, the side wall of the abdicating groove can be abutted against the side wall of the rotating roller, the rotating shaft extends along the radial direction of the cylinder, and a linkage piece is arranged between the rotating shaft and the side wall of the cylinder, so that when the rotating cylinder drives the oil collecting frame to move, the rotating shaft can be driven to synchronously rotate by the linkage piece, the rotating direction of the rotating shaft is opposite to the moving direction of the oil collecting frame;

the utility model discloses a novel stirring machine, including stand, supplementary section of thick bamboo, transmission part, rotation section of thick bamboo, stirring piece, the lateral wall of stand rotates and is provided with supplementary section of thick bamboo, leave the distance between the upper end of supplementary section of thick bamboo and the lower extreme of a rotation section of thick bamboo, the stand is provided with the transmission part between supplementary section of thick bamboo and a rotation section of thick bamboo, works as it can drive supplementary section of thick bamboo through the transmission part and rotate to rotate when rotating a section of thick bamboo rotation, and the rotation opposite direction between supplementary section of thick bamboo and the rotation section of thick bamboo, be provided with the stirring piece on the lateral wall of supplementary section of thick bamboo, the stirring piece upwards sets up along the axis direction spiral of supplementary section of thick bamboo.

By adopting the technical scheme, when the driving piece drives the rotating cylinder to rotate, the oil collecting frame can be driven to move, the rotating shaft can be driven to rotate under the action of the linkage piece, the rotating directions of the rotating shaft and the oil collecting frame are opposite, the rotating roller moves towards the direction of the inner cavity of the hollow groove, and part of the side wall of the rotating roller is positioned below the liquid level after the biogas slurry enters the cylinder, so that the rotating roller rotates to drive the grease and suspended matters on the liquid level to the oil collecting frame; when a rotation section of thick bamboo rotates, can rotate through rotating the supplementary section of thick bamboo of a drive, and the rotation direction and the rotation section of thick bamboo opposite direction of a supplementary section of thick bamboo, the lateral wall of supplementary section of thick bamboo still is provided with spiral helicine stirring piece, supplementary section of thick bamboo rotates the flow direction that can drive liquid and the motion opposite direction of collection oil frame, the collection oil frame is when rotating, because the liquid level is located the dorsal floating oil of collection oil frame motion direction etc. and easily follows the collection oil frame motion, be difficult to be collected by the rotor roll, and supplementary section of thick bamboo drives the stirring piece motion, can make the opposite direction of flow of liquid can be so that the grease of liquid level, suspended solid etc. and collection oil frame phase separation, make the collection oil frame can be through better material such as collection grease of rotor roll when rotating.

Optionally, the drum is close to the vertical filling tube that is provided with on the inner wall in first district, the filling tube includes outer tube and inner tube, sliding connection is in the outer tube about the inner tube, there is the part that surpasss the outer tube upper end inner tube upper end, the lower extreme of outer tube is located inlet department, the lower extreme lateral wall of outer tube and the lower extreme lateral wall of inner tube have all seted up the hole that leaks, when the inner tube slides downwards, the hole that leaks of outer tube can coincide with the hole that leaks of inner tube.

Through adopting above-mentioned technical scheme, need add some medicaments in natural pond liquid in order to make emulsion oil etc. can be better when separating with the water, add the medicament in the inner tube, then with inner tube lapse, the medicament can enter into natural pond liquid through the hole that leaks promptly, the lower extreme of inner tube is located inlet department, rivers are easily washed away the medicament, then make the more even of medicament dispersion under the effect of stirring vane, add the bottom surface shutoff that makes the inner tube of gliding in the outer tube on the inner tube after finishing, natural pond liquid is difficult to flow back to in the inner tube.

Optionally, the inner wall of the cylinder is provided with a rotating plate in a rotating manner above the liquid inlet, the rotating plate is provided with a notch, the outer pipe is located in the notch, the side wall of the outer pipe is provided with a protrusion for supporting the rotating plate, and when the rotating plate abuts against the protrusion, the rotating plate is inclined and extends towards the bottom surface of the cylinder.

Through adopting above-mentioned technical scheme, natural pond liquid can drive the rotor plate when entering into the drum from the inlet and rock, and when the medicament entered into natural pond liquid through the hole that leaks, the rotor plate can mix the medicament earlier, improves the homogeneity of medicament dispersion.

Optionally, the first district is provided with the filter frame in the lower extreme of inlet pipe, one side of filter frame towards the inlet is porous structure, the lateral wall that the drum outer wall is close to the first district is provided with two extension boards, the extension board is located the both sides of inlet, the one end that the drum was kept away from to the extension board can the butt on the lateral wall of filter frame, the space that the extension board encloses is flaring structure to the direction of keeping away from the inlet.

Through adopting above-mentioned technical scheme, filter frame can filter some bulky matters in the natural pond liquid earlier, and the extension board is the throat column structure to the direction that is close to the drum, can provide the speed that natural pond liquid passes through the inlet to by the dispersion in natural pond liquid that can be better when making the medicament add.

Optionally, the terminal surface of gathering oil frame is worn out to the one end that the axis of rotation is close to the drum inner wall, the linkage piece is including coaxial setting up in the linkage gear that the axis of rotation is close to the one end of drum inner wall to and set up the linkage ring on the drum inner wall, the lower terminal surface of linkage ring is provided with the tooth that evenly sets up along the linkage ring circumference, the linkage gear can mesh with the tooth of linkage ring lower surface mutually.

By adopting the technical scheme, the linkage gear is meshed with the teeth on the lower surface of the linkage ring, and the oil collecting frame drives the linkage gear to move when rotating, so that the linkage gear drives the rotating shaft to rotate, and the function of driving the rotating roller to move is realized.

Optionally, the stand is inside hollow structure, it is protruding to rotate a section of thick bamboo inner wall and be provided with the ring, the stand lateral wall is offered and is used for supplying the protruding butt of ring in order to form swivelling joint's annular, it has the clearance to rotate between a section of thick bamboo inner wall and the stand, and the stand upper end corresponds the position of rotating a section of thick bamboo and has seted up the oil inlet, the oil collecting frame is close to the one end of rotating a section of thick bamboo and is provided with inside hollow intercommunication mouth, the intercommunication mouth communicates to the inner chamber of rotating a section of thick bamboo.

Through adopting above-mentioned technical scheme, the intercommunication mouth link up to the inner chamber of a rotating cylinder, and after the rotation roller drove the grease on natural pond liquid surface to the collection oil frame, the grease can flow to a rotating cylinder inner chamber through the intercommunication mouth to enter into the stand through the oil inlet, thereby collect the grease.

Optionally, the upper end of the cylinder is provided with a mounting plate, the driving part comprises a driving motor mounted on the mounting plate, and an output shaft of the driving motor is connected to the upper end face of the rotating cylinder.

Through adopting above-mentioned technical scheme, driving motor can rotate simple structure, simple to operate in order to drive a rotation section of thick bamboo.

Optionally, an oil outlet pipe is arranged on the side wall of the lower end of the stand column, the oil outlet pipe penetrates through the side wall of the oil removal pool, and an oil pumping part is arranged at one end, far away from the oil removal pool, of the oil outlet pipe.

Through adopting above-mentioned technical scheme, the grease of collecting in the stand can discharge through the oil pipe, facilitates the use.

Optionally, the transmission part includes the toper tooth of rotation connection in the stand lateral wall, the terminal surface that a rotation section of thick bamboo and an auxiliary cylinder are close to mutually all is provided with the tooth that can mesh with the toper tooth.

Through adopting above-mentioned technical scheme, can realize rotating a section of thick bamboo and rotate and drive supplementary section of thick bamboo rotation under the effect of toper tooth to the rotation direction of rotating a section of thick bamboo and supplementary section of thick bamboo is opposite.

In summary, the present application includes at least one of the following benefits:

1. the rotating roller rotates to drive grease on the liquid level in the biogas slurry to the oil collecting frame, the auxiliary cylinder and the oil collecting frame are opposite in moving direction, so that the moving direction of water flow is opposite to the moving direction of the oil collecting frame, the grease in the moving front of the oil collecting frame moves towards the rotating roller, the grease on the back side of the moving direction of the oil collecting frame can be far away from the oil collecting frame under the moving action of the water flow, and the oil collecting frame can be driven by the rotating roller for the next time.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic structural diagram of an oil removal tank according to an embodiment of the present application;

FIG. 3 is a schematic view of the internal structure of a cylinder according to an embodiment of the present invention;

FIG. 4 is a schematic view of an installation of an oil removing device according to an embodiment of the present application;

FIG. 5 is an exploded view of an oil catcher according to an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of an oil collecting frame according to an embodiment of the present application;

fig. 7 is an exploded view of the inner and outer tubes of an embodiment of the present application.

Description of reference numerals: 1. an oil removal tank; 101. a first region; 102. a second region; 103. a third region; 2. an air floatation tank; 3. a regulating tank; 4. a cylinder; 5. a feed pipe; 6. a liquid inlet; 7. a liquid outlet pipe; 8. an oil removal device; 81. a rotating cylinder; 82. an oil collecting frame; 9. a column; 10. a drive member; 11. hollowing out the grooves; 12. a rotating shaft; 13. a rotating roller; 14. a yielding groove; 15. a linkage member; 151. a linkage gear; 152. a link ring; 16. an auxiliary cylinder; 17. a transmission member; 18. a stirring sheet; 19. a feed tube; 191. an inner tube; 192. an outer tube; 20. a water leakage hole; 21. a rotating plate; 22. a protrusion; 23. a filter frame; 24. an extension plate; 25. the ring is convex; 26. a ring groove; 27. an oil inlet; 28. a communication port; 29. mounting a plate; 30. an oil outlet pipe; 31. an oil pumping element; 32. and a cylinder.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses kitchen waste biogas slurry pretreatment device. Referring to fig. 1, kitchen waste natural pond liquid pretreatment structure is including the deoiling pond 1 that sets gradually, air supporting pond 2 and equalizing basin 3, deoiling pond 1 and air supporting pond 2 are linked together, air supporting pond 2 and equalizing basin 3 are linked together, natural pond liquid is through deoiling pond 1 most grease of getting rid of, suspended solid etc. then get into air supporting pond 2, further through aqueous vapor homogeneous processing in order to get rid of material such as dissolved oil in air supporting pond 2, then get into equalizing basin 3 and reentrant in subsequent biochemical treatment system.

Referring to fig. 1 and 2, the oil removal tank 1 is a hollow rectangular parallelepiped structure, a cylinder 4 is installed in the oil removal tank 1, and the side walls of the cylinder 4 are fixed on the inner walls of two opposite long sides of the oil removal tank 1. Drum 4 separates into first district 101, second district 102 and third district 103 with deoiling pond 1, and second district 102 is the inner chamber of drum 4 promptly, and drum 4 has seted up inlet 6 near the lower extreme lateral wall of first district 101, and drum 4 installs drain pipe 7 near the lateral wall of third district 103, and drain pipe 7 upwards extends and the lower extreme of drain pipe 7 is installed in the lower extreme lateral wall of drum 4, and third district 103 is connected through the pipeline with aerostatic pool 2. Install inlet pipe 5 on the lateral wall of first district 101, natural pond liquid enters into first district 101 from inlet pipe 5, enters into second district 102 through inlet 6, then enters into third district 103 from second district 102 through drain pipe 7, and natural pond liquid after a period of third district 103 deposit then reentrant air supporting pond 2, can the pipeline at the lateral wall of third district 103, regularly clears up the precipitate through the pipeline, also can use dredge pump etc. to clear up.

Referring to fig. 2, a filter frame 23 is installed on the side wall of the first region 101 below the feeding pipe 5, a side wall of the filter frame 23 close to the cylinder 4 is of a porous structure, and the filter frame 23 can filter some large-particle garbage in the biogas slurry first. The filter frame 23 can be mounted on the inner wall of the first area 101 in a clamping manner, a bolt manner and the like, so that the filter frame 23 can be cleaned and replaced conveniently.

Referring to fig. 2 and 3, an oil removing device 8 is installed in the cylinder 4, and the oil removing device 8 is used for removing substances such as suspended matters, grease and the like on the surface of the biogas slurry in the cylinder 4. The stand 9 is installed to the bottom surface of drum 4, and the vertical setting of stand 9 and stand 9 are cylindric structure, and stand 9 and drum 4 coaxial setting. The oil removing device 8 comprises a rotating cylinder 81 rotatably connected to the side wall of the upper end of the upright post 9, and an oil collecting frame 82 mounted on the side wall of the rotating cylinder 81, wherein the length direction of the oil collecting frame 82 extends along the radial direction of the cylinder 4. The oil removing pool 1 is provided with a driving part 10 for driving the rotating cylinder 81 to rotate, and the rotating cylinder 81 can drive the oil collecting frame 82 to rotate by taking the upright post 9 as a circle center.

Referring to fig. 3 and 4, a hollow groove 11 is formed in the oil collecting frame 82, a rotating shaft 12 is further rotatably connected in the oil collecting frame 82, and the length direction of the rotating shaft 12 extends along the radial direction of the rotating cylinder 81. Referring to fig. 5, the rotating roller 13 is further fixed on the outer wall of the rotating shaft 12, and the oil collecting frame 82 is provided with a relief groove 14 on the bottom surface thereof for the rotating roller 13 to pass through. A linkage piece 15 is also arranged between the rotating shaft 12 and the inner wall of the cylinder 4, so that when the oil collecting frame 82 moves, the rotating shaft 12 can be driven to rotate by the linkage piece 15, and the rotating direction of the rotating shaft 12 is opposite to the moving direction of the oil collecting frame 82. The side wall of the lower end of the rotating roller 13 can be partially positioned in the liquid level, grease and suspended matters in the liquid level can contact the surface of the rotating roller 13, and the rotating roller 13 can drive substances such as grease to move when rotating towards the hollow groove 11. The side wall of the relief groove 14 can abut on the side wall of the rotating roller 13, thereby making it possible to scrape substances such as grease on the surface of the rotating roller 13 into the oil catch frame 82.

Referring to fig. 3 and 5, a ring protrusion 25 is coaxially fixed on the inner wall of the rotating cylinder 81, a ring groove 26 for abutting the ring protrusion 25 is formed in the side wall of the upper end of the upright post 9, and the ring protrusion 25 can rotate in the ring groove 26, so that the rotating cylinder 81 is rotatably connected to the upright post 9. For convenience of installation, the rotary cylinder 81 may be a half-and-half split structure. A mounting plate 29 is fixed on the oil removing pool 1, the mounting plate 29 extends to the upper part of the cylinder 4, and the driving piece 10 comprises a driving motor arranged on the mounting plate 29. The output shaft of the driving motor penetrates through the mounting plate 29 and is connected to the upper end surface of the rotating cylinder 81, so that the rotating cylinder 81 can be driven to rotate by the driving motor.

Referring to fig. 5 and 6, a gap is formed between the inner wall of the rotary cylinder 81 and the side wall of the column 9, a communication port 28 is opened in one end surface of the oil collecting frame 82 close to the rotary cylinder 81, and the communication port 28 penetrates into the inner cavity of the rotary cylinder 81. Grease or the like in the oil catch frame 82 can flow into the inner cavity of the rotary cylinder 81 through the communication port 28. The upright post 9 is of an internal hollow structure, an oil inlet 27 is formed in the side wall of the upper end of the upright post 9, and grease flowing into the inner cavity of the rotating cylinder 81 can flow into the upright post 9 through the oil inlet 27. Referring to fig. 3, an oil outlet pipe 30 is installed on the sidewall of the lower end of the upright column 9, the oil outlet pipe 30 penetrates through the sidewall of the oil removing pool 1, an oil pumping unit 31 is connected to the oil outlet pipe 30, and substances such as grease collected in the upright column 9 can be discharged through the oil outlet pipe 30. The oil pumping element 31 may be a peristaltic pump, an oil pump, or other devices capable of pumping grease out of the column 9. A certain distance exists between the oil inlet 27 on the side wall of the upper end of the upright post 9 and the annular projection 25, so that a certain amount of grease can be gathered at the annular projection 25. When grease in the upright post 9 is pumped out, negative pressure can be generated in the inner cavity of the upright post 9, the grease gathered at the annular protrusion 25 can play a sealing role, and when the communication port 28 is blocked by solid grease, the grease blocked by the communication port 28 can be sucked into the inner cavity of the rotary cylinder 81 when the oil pumping piece 31 works, so that the possibility of blockage is reduced. Further, the inner bottom surface of the oil collecting frame 82 is disposed obliquely downward toward the rotary cylinder 81, that is, one end of the bottom surface of the oil collecting frame 82 away from the rotary cylinder 81 is higher than one end of the bottom surface of the oil collecting frame 82 close to the rotary cylinder 81, so as to facilitate the flow of the grease toward the column 9.

Referring to fig. 4, an auxiliary cylinder 16 is rotatably connected to a side wall of the upright 9, and the auxiliary cylinder 16 may be rotated on an outer wall of the upright 9 by means of a bearing or the like. The auxiliary cylinder 16 is located below the rotary cylinder 81, and a gap is present between the lower end of the rotary cylinder 81 and the upper end of the auxiliary cylinder 16. The transmission member 17 is installed at a position between the auxiliary cylinder 16 and the rotating cylinder 81 of the column 9, and the transmission member 17 can perform transmission, so that the rotating cylinder 81 can drive the auxiliary cylinder 16 to rotate synchronously when rotating, and the rotating direction of the rotating cylinder 81 is opposite to the rotating direction of the auxiliary cylinder 16.

Referring to fig. 4 and 5, the transmission member 17 includes a conical tooth rotatably connected to the side wall of the upright post 9, and a boss can be fixed to the side wall of the upright post 9, and the conical tooth is rotatably connected to the boss by a bearing or the like, so as to realize the rotational connection of the conical tooth. The transmission members 17 may be provided in plurality uniformly in the circumferential direction of the column 9. The lower end of the rotary cylinder 81 and the upper end of the auxiliary cylinder 16 are provided with teeth capable of engaging with the tapered teeth, so that the auxiliary cylinder 16 can be driven to rotate by the tapered teeth when the rotary cylinder 81 rotates, and the rotation directions of the auxiliary cylinder 16 and the rotary cylinder 81 are opposite. The side wall of the auxiliary cylinder 16 is also provided with stirring blades 18, and the stirring blades 18 are spirally distributed along the axial direction of the auxiliary cylinder 16. When the auxiliary drum 16 rotates, the stirring blade 18 can be driven to move, so that the moving direction of the liquid is opposite to the moving direction of the oil collecting frame 82. The grease on the front side of the movement direction of the oil collecting frame 82 can move towards the oil collecting frame 82, and the grease on the back side of the movement direction of the oil collecting frame 82 can be driven by liquid to move, so that the situation that the grease moves along with the oil collecting frame 82 is reduced, and the grease cleaning effect is improved.

Referring to fig. 3 and 4, the end of the rotating shaft 12 near the inner wall of the cylinder 4 has a side wall extending out of the oil collecting frame 82, and the link member 15 includes a link gear 151 coaxially fixed to the outer wall of the rotating shaft 12 and a link ring 152 coaxially fixed to the inner wall of the cylinder 4. Teeth capable of being meshed with the linkage gear 151 are uniformly arranged on the lower end face of the linkage ring 152, so that the oil collecting frame 82 can drive the rotating shaft 12 to rotate when moving.

Referring to fig. 3 and 7, a charging pipe 19 is installed in the cylinder 4 at a side near the first region 101, and the charging pipe 19 includes an outer pipe 192 and an inner pipe 191 slidably coupled up and down in the outer pipe 192. The outer tube 192 passes through the link ring 152, and the outer tube 192 does not affect the movement of the link gear 151. The lower end of the outer tube 192 extends downwardly to the point of the liquid inlet 6. The lower extreme lateral wall of outer tube 192 and the lower extreme lateral wall of inner tube 191 have all been seted up the hole 20 that leaks, and the bottom surface of inner tube 191 is enclosed construction, when needs add the medicament in natural pond liquid, adds the medicament into inner tube 191 to the inner tube 191 slides down, makes the hole 20 that leaks of outer tube 192 and the hole 20 that leaks of inner tube 191 coincide mutually, both can make the medicament enter into natural pond liquid. The water leakage hole 20 is positioned at the liquid inlet 6, so that the water fluidity is high, and the dispersibility of the medicament can be improved.

Referring to fig. 3 and 7, the inner wall of the liquid inlet 6 of the cylinder 4 is rotatably connected with a rotating plate 21 by a pin shaft or the like, the rotating plate 21 is provided with a notch, and the outer tube 192 can penetrate through the notch. The side wall of the outer tube 192 is mounted with a projection 22, and the projection 22 can abut on the side wall of the rotating plate 21 so that the rotating plate 21 is in a state of being inclined downward. The liquid can drive the rotating plate 21 to shake when flowing, so that the rotating plate 21 can stir the medicament, and the medicament is better dispersed. In other embodiments, some existing feeding devices for adding the medicament at regular time can be installed on the upper end surface of the cylinder 4, a connecting rod is installed on the upper end side wall of the inner tube 191, the air cylinder 32 is installed on the connecting rod, the base of the air cylinder 32 is fixed on the upper end surface of the cylinder 4, the inner tube 191 is driven to move up and down by the timer which is timed automatically, the medicament is added into the inner tube 191 at regular time, and then the inner tube 191 is driven to move down by the air cylinder 32 at regular time, so that more labor is saved.

Referring to FIG. 2, two extension plates 24 are installed in the first region 101, the extension plates 24 are located on both sides of the liquid inlet 6, and one end of the extension plate 24 is fixed to the outer wall of the cylinder 4. The two extension plates 24 are of a necked-down configuration towards the cylinder 4. When biogas slurry enters the first zone 101 from the feeding pipe 5, the biogas slurry can enter the cylinder 4 at a faster speed, thereby improving the dispersion effect of the agent.

The implementation principle of the kitchen waste biogas slurry pretreatment device in the embodiment of the application is as follows: the biogas slurry enters the cylinder 4, the driving part 10 drives the oil collecting frame 82 to rotate, the oil collecting frame 82 rotates, namely the rotating roller 13 can be driven by the linkage part 15 to move, and the rotating roller 13 rotates to bring grease on the surface of the biogas slurry into the oil collecting frame 82 and flow into the upright post 9. When the rotary cylinder 81 rotates, the auxiliary cylinder 16 can also synchronously rotate reversely so as to drive the flowing direction of the liquid to be opposite to that of the oil collecting frame 82, so that the grease behind the oil collecting frame 82 can be separated from the oil collecting frame 82, and the cleaning effect on the grease is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a kitchen remains natural pond liquid pretreatment device which characterized in that: comprises an oil removal tank (1), an air floatation tank (2) and an adjusting tank (3) which are arranged in sequence, biogas slurry flows from the oil removal tank (1) to the adjusting tank (3) through the air floatation tank (2), a cylinder (4) is arranged in the oil removal tank (1), the side wall of the cylinder (4) is connected to the inner wall of two opposite long edges of the oil removal tank (1), the cylinder (4) divides the oil removal tank (1) into a first area (101), a second area (102) and a third area (103), the second area (102) is the inner cavity of the cylinder (4), the side wall of the first area (101) is provided with a feeding pipe (5), the side wall of the cylinder (4) in the first area (101) is provided with a liquid inlet (6), a liquid outlet pipe (7) is arranged on the side wall of the cylinder (4) close to the third area (103), the third area (103) is communicated with the air floatation tank (2), and an oil removing device (8) is arranged in the second area (102);

the oil removing device comprises a rotating cylinder (81) which is rotatably arranged on the side wall of the upper end of the stand column (9) and an oil collecting frame (82) which is arranged on the side wall of the rotating cylinder (81), wherein the oil removing device (8) is coaxially arranged on the stand column (9) and the bottom surface of the oil collecting frame (102), the oil removing device (8) comprises a rotating cylinder (81) which is rotatably arranged on the side wall of the upper end of the stand column (9) and an oil collecting frame (82) which is rotatably arranged on the side wall of the rotating cylinder (81), the oil collecting frame (82) extends along the radial direction of the cylinder (4), a hollowed-out groove (11) is formed in the oil collecting frame (82), a rotating shaft (12) is rotatably arranged in the hollowed-out groove (11), a rotating roller (13) is arranged on the outer wall of the rotating shaft (12), a yielding groove (14) which is used for accommodating the rotating roller (13) is formed in the bottom surface of the oil collecting frame (82), and the side wall of the yielding groove (14) can be abutted against the side wall of the rotating roller (13), the rotating shaft (12) extends along the radial direction of the cylinder (4), a linkage piece (15) is arranged between the rotating shaft (12) and the side wall of the cylinder (4), so that when the rotating cylinder (81) drives the oil collecting frame (82) to move, the rotating shaft (12) can be driven by the linkage piece (15) to synchronously rotate, and the rotating direction of the rotating shaft (12) is opposite to the moving direction of the oil collecting frame (82);

the utility model discloses a rotation drum, including stand (9), the lateral wall of stand (9) rotates and is provided with supplementary section of thick bamboo (16), leave the distance between the upper end of supplementary section of thick bamboo (16) and the lower extreme of a rotation section of thick bamboo (81), stand (9) are provided with driving medium (17) between supplementary section of thick bamboo (16) and a rotation section of thick bamboo (81), work as rotate section of thick bamboo (81) and can drive supplementary section of thick bamboo (16) through driving medium (17) and rotate when rotating, and supplementary section of thick bamboo (16) and the rotation opposite direction between a rotation section of thick bamboo (81), be provided with stirring piece (18) on the lateral wall of supplementary section of thick bamboo (16), stirring piece (18) are upwards set up along the axis direction spiral of supplementary section of thick bamboo (16).

2. The kitchen waste biogas slurry pretreatment device according to claim 1, characterized in that: drum (4) are close to on the inner wall of first district (101) vertical filling tube (19) that is provided with, filling tube (19) include outer tube (192) and inner tube (191), sliding connection is in outer tube (192) about inner tube (191), there is the part that surpasss outer tube (192) upper end inner tube (191) upper end, the lower extreme of outer tube (192) is located inlet (6) department, the lower extreme lateral wall of outer tube (192) and the lower extreme lateral wall of inner tube (191) have all been seted up and have been leaked water hole (20), when inner tube (191) slided downwards, the hole that leaks (20) of outer tube (192) can coincide with the hole that leaks (20) of inner tube (191) mutually.

3. The kitchen waste biogas slurry pretreatment device according to claim 2, characterized in that: drum (4) inner wall is provided with rotor plate (21) in the top rotation of inlet (6), the breach has been seted up on rotor plate (21), outer tube (192) are located the breach, the lateral wall of outer tube (192) is provided with arch (22) that are used for supporting rotor plate (21), works as rotor plate (21) butt when on arch (22), rotor plate (21) slope extends to the bottom surface of drum (4).

4. The kitchen waste biogas slurry pretreatment device according to claim 3, characterized in that: first district (101) are provided with filter frame (23) in the lower extreme of inlet pipe (5), filter frame (23) is porous structure towards one side of inlet (6), the lateral wall that drum (4) outer wall is close to first district (101) is provided with two extension boards (24), extension board (24) are located the both sides of inlet (6), the one end that drum (4) were kept away from in extension board (24) can the butt on the lateral wall of filtering frame (23), the space that closes is enclosed in extension board (24) is flaring structure to the direction of keeping away from inlet (6).

5. The kitchen waste biogas slurry pretreatment device according to claim 2, characterized in that: the terminal surface of gathering oil frame (82) is worn out to establish in the one end that axis of rotation (12) are close to drum (4) inner wall, linkage (15) including coaxial setting in axis of rotation (12) linkage gear (151) of the one end that is close to drum (4) inner wall to and set up linkage ring (152) on drum (4) inner wall, the lower terminal surface of linkage ring (152) is provided with the tooth that evenly sets up along linkage ring (152) circumference, linkage gear (151) can mesh with the tooth of linkage ring (152) lower surface mutually.

6. The kitchen waste biogas slurry pretreatment device according to claim 5, characterized in that: stand (9) are inside hollow structure, it is provided with annular convex (25) to rotate a section of thick bamboo (81) inner wall, stand (9) lateral wall is offered and is used for supplying annular convex (25) butt in order to form swivelling joint's annular (26), it has gapped to rotate to exist between a section of thick bamboo (81) inner wall and stand (9), and stand (9) upper end correspondence rotates the position of a section of thick bamboo (81) and has seted up oil inlet (27), oil collecting frame (82) are close to the one end of rotating a section of thick bamboo (81) and are provided with inside hollow intercommunication mouth (28), intercommunication mouth (28) communicate to the inner chamber of rotating a section of thick bamboo (81).

7. The kitchen waste biogas slurry pretreatment device according to claim 6, characterized in that: the upper end of drum (4) is provided with mounting panel (29), driving piece (10) are including installing the driving motor on mounting panel (29), driving motor's output shaft is connected in the up end of a rotating cylinder (81).

8. The kitchen waste biogas slurry pretreatment device according to claim 7, characterized in that: the oil pumping device is characterized in that an oil outlet pipe is arranged on the side wall of the lower end of the upright post (9), the oil outlet pipe penetrates through the side wall of the oil removal pool (1), and an oil pumping piece (31) is arranged at one end, far away from the oil removal pool (1), of the oil outlet pipe.

9. The kitchen waste biogas slurry pretreatment device according to claim 2, characterized in that: the transmission part (17) comprises a conical tooth rotationally connected to the side wall of the upright post (9), and teeth capable of being meshed with the conical tooth are arranged on one end face, close to the rotating cylinder (81) and the auxiliary cylinder (16), of the rotating cylinder.

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