阅读说明：本技术 一种餐厨垃圾废液预处理装置 (Kitchen waste liquid preprocessing device ) 是由 毛勇先 牟联华 幸响付 朱成辉 李勇 于 2021-05-31 设计创作，主要内容包括：本发明公开了一种餐厨垃圾废液预处理装置,涉及餐厨垃圾处理技术领域,用于解决现有的餐厨废水前端预处理存在废渣粒径大及分离后的固渣含水率较高,导致餐厨废渣焚烧成本增高的问题,本发明增加了螺旋挤压过滤机构,将分离处理的固渣重力自滑至螺旋挤压过滤机构,进行缓慢挤压,经过间隙1mm的滤网筒,再将固渣推入向上的无固渣爬坡导管,固渣爬坡导管布局斜向上和螺旋挤压轴向呈120度夹角,由于固渣在挤压通道开始往上爬坡,因此产生较大的阻力,让螺旋挤压更紧实,有效的将固渣水分挤出,挤出的废液经过螺旋挤压底部水仓,又流入固液分离装置底部,在固渣挤压环节可实现固渣含水率从90％降低至50％左右。(The invention discloses a kitchen waste liquid pretreatment device, relating to the technical field of kitchen waste treatment, the invention is used for solving the problems that the particle size of waste residues is large and the water content of separated solid residues is higher in the existing kitchen waste water front-end pretreatment, so that the incineration cost of the kitchen waste residues is increased, the spiral extrusion filtering mechanism is additionally arranged, the gravity of the separated solid residues slides to the spiral extrusion filtering mechanism automatically, the solid residues are slowly extruded and pass through a filter screen cylinder with the clearance of 1mm, then the solid residues are pushed into an upward solid residue-free climbing conduit, the arrangement of the solid residue climbing conduit is inclined upwards, and the included angle of 120 degrees is formed between the solid residue climbing conduit and the spiral extrusion axial direction, because solid sediment begins to climb up at the extrusion passageway, consequently produce great resistance, let the screw extrusion compacter, effectually extrude solid sediment moisture, the waste liquid of extruding flows into solid-liquid separation equipment bottom again through screw extrusion bottom sump, can realize solid sediment moisture content at solid sediment extrusion link and reduce to about 50% from 90%.)

1. A kitchen waste liquid pretreatment device comprises a crushing mechanism (1), a solid-liquid separation mechanism (2), a vertical pipeline pump (3), a garbage can (4), a three-phase separator (5), a UASB anaerobic tank (6) and a buried treatment mechanism (7); the crushing mechanism (1) is in through connection with the solid-liquid separation mechanism (2) through a first pipeline, a water outlet (25) of the solid-liquid separation mechanism (2) is connected with one end of a vertical pipeline pump (3) through a second pipeline, the other end of the vertical pipeline pump (3) is connected with one end of a three-phase separator (5) through a third pipeline, the other end of the three-phase separator (5) is in through connection with one side of the bottom of a UASB anaerobic tank (6) through a fourth pipeline, and one side of the top of the UASB anaerobic tank (6) is in through connection with the top of one side of the buried treatment mechanism (7) through a fifth pipeline; the device is characterized in that the solid-liquid separation mechanism (2) comprises a lower support frame (21), a water distribution tank (22) is installed at the top end of the lower support frame (21), a grid mechanism (28) is installed inside the water distribution tank (22), and a first driving assembly (26) is arranged at one end, located on the grid mechanism (28), of the water distribution tank (22); a water collecting tank (24) is arranged at the bottom of the water distribution tank (22), and a water outlet (25) is formed in the bottom of the side wall of one side of the water collecting tank (24); a spiral extrusion filtering mechanism (27) arranged on the lower supporting frame (21) is arranged on the other side of the water collecting tank (24), and a slag discharging hopper (29) is arranged at the upper part of the spiral extrusion filtering mechanism (27);

the spiral extrusion filtering mechanism (27) comprises a slag feeding guide frame (271), a water filtering collecting hopper (277) is installed at the bottom of the slag feeding guide frame (271), one end of a connecting pipe (274) is installed at the bottom of one side of the water filtering collecting hopper (277), and the other end of the connecting pipe (274) is in through connection with the side wall of the other side of the water collecting tank (24); one end of the slag feeding guide frame (271) is provided with a second driving assembly (272), and the slag feeding guide frame (271) is communicated with the bottom of the slag discharge hopper (29); a screw (275) and a screen (276) are arranged inside the slag inlet guide frame (271), and one end of the screw (275) is inserted into the screen (276); the second driving assembly (272) is in transmission connection with the screw (275); the other end of the slag feeding guide frame (271) is provided with one end which is fixedly connected with a solid slag climbing guide pipe (273) through a flange, and the other end of the solid slag climbing guide pipe (273) is positioned right above the garbage can (4).

2. The kitchen waste liquid pretreatment device according to claim 1, characterized in that said screen (276) comprises a plurality of fixed rings (2761) and screen rods (2762), a plurality of screen rods (2762) are disposed at equal angles and form a screen cylinder, and a plurality of fixed rings (2761) are fixedly sleeved on the screen cylinder at equal intervals.

3. The pretreatment device for the kitchen waste and liquid as claimed in claim 1, wherein the crushing mechanism (1) is used for carrying out solid-liquid crushing on the kitchen waste and liquid and crushing garbage with large particle size in the liquid into solid-liquid mixture with small particle size; the solid-liquid separation mechanism (2) further processes the solid-liquid mixture with small particle size to obtain waste liquid and solid slag; the vertical pipeline pump (3) is used for conveying the waste liquid into the three-phase separator (5), and the three-phase separator (5) is used for carrying out oil, water and solid separation on the waste liquid; the UASB anaerobic tank (6) is used for introducing water obtained by carrying out microbial decomposition treatment on waste liquid into a buried treatment mechanism (7); the buried treatment mechanism (7) carries out sewage biochemical treatment on the entering water.

4. The pretreatment device for the waste liquid of the kitchen waste according to claim 3, wherein the crushing mechanism (1) comprises a bracket (11), a bottom plate (12) is arranged on the bracket (11), and a first speed reduction motor (13) and a crushing hopper (14) are arranged on the bottom plate (12); a driving shaft lever (15) and a driven post lever (16) are arranged in the crushing hopper (14), and crushing cutter heads (17) are arranged on the driving shaft lever (15) and the driven post lever (16); the driving shaft lever (15) is meshed with the driven post lever (16); one end of the driving shaft lever (15) is in transmission connection with the first speed reduction motor (13) through a coupler, and the bottom of the crushing hopper (14) is in through connection with one end of the first pipeline.

5. The pretreatment device for the waste liquid of the kitchen waste according to claim 3, wherein the buried treatment mechanism (7) comprises a box body (701), a top cover plate (702) is installed at the top of the box body (701), a first hole entering frame (703) and a second hole entering frame (704) are installed on the top cover plate (702), outer top covers (705) are installed on the first hole entering frame (703) and the second hole entering frame (704), and an exhaust pipe (706) is installed on the outer top covers (705) on the first hole entering frame (703); one side of the buried processing mechanism (7) is provided with a water inlet pipe (725) and a water outlet pipe (711);

a first containing cavity (707), a sedimentation tank (708), an anoxic tank (709) and an aerobic tank (710) are arranged in the buried treatment mechanism (7); the first cavity (707) is positioned between the sedimentation tank (708) and the anoxic tank (709); the aerobic tank (710) is positioned at one side of the first containing cavity (707), the sedimentation tank (708) and the anoxic tank (709);

a sludge return pipe (714) and a sludge discharge pipe (712) are arranged in the first cavity (707), and one end of the sludge return pipe (714) is positioned at the top end of one side in the anoxic tank (709); the other end of the sludge return pipe (714) is positioned at the bottom of one side inside the sedimentation tank (708); one end of the sludge discharge pipe (712) is positioned outside the box body (701) and is positioned at one side of the water outlet pipe (711);

a backflow cylinder assembly (713) is arranged in the sedimentation tank (708), one end of a flow guide water inlet pipe (716) is connected to the backflow cylinder assembly (713) in a penetrating manner, and the other end of the flow guide water inlet pipe (716) is positioned at the top end of one side in the aerobic tank (710); the bottom end in the sedimentation tank (708) is provided with two symmetrically arranged sedimentation sloping plates (715), and the two sedimentation sloping plates (715) are V-shaped;

an upper filler supporting metal plate (717) and a lower filler supporting metal plate (718) are arranged in the anoxic tank (709) and the aerobic tank (710) from top to bottom, a plurality of filler supporting pipes (719) are arranged on the upper filler supporting metal plate (717) and the lower filler supporting metal plate (718), and the filler supporting pipes (719) on the upper filler supporting metal plate (717) and the lower filler supporting metal plate (718) are in one-to-one correspondence; and a filler cloth (720) is arranged between the filler upper supporting sheet metal (717) and the filler supporting tube (719) on the filler lower supporting sheet metal (718); an anoxic stirring air pipe (724) is arranged on the bottom end face of the interior of the anoxic tank (709), and an aerobic tank aeration pipe assembly (721) is arranged on the bottom end face of the interior of the aerobic tank (710).

6. The kitchen waste and liquid pretreatment device according to claim 5, wherein the backflow cylinder assembly (713) comprises a backflow outer cylinder (7131) and a backflow inner cylinder (7135), the inner wall of the backflow outer cylinder (7131) is fixedly connected with the outer side wall of a backflow weir (7133) installed inside the backflow outer cylinder (7131) through a plurality of backflow cylinder linking pieces (7132); a backflow weir bottom plate (7134) is arranged at the bottom of the backflow weir (7133), the bottom end face of the backflow weir bottom plate (7134) is fixedly sleeved on the backflow inner cylinder (7135), the bottom end face of the backflow weir bottom plate (7134) is communicated with one end of the flow guide water outlet pipe (7139), and the other end of the flow guide water outlet pipe (7139) is positioned in the first accommodating cavity (707); the bottom end of the backflow inner cylinder (7135) is fixedly connected with the top end of a backflow horn (7136), and the bottom end of the backflow horn (7136) is fixedly connected with a backflow cap (7138) arranged right below the backflow horn (7136) through a plurality of angle steels (7137).

7. The kitchen waste liquid pretreatment device according to claim 5, wherein the aerobic tank aeration pipe assembly (721) comprises a square pipe (7211), one end of the square pipe (7211) is connected with one end of an aerobic air inlet pipe (722) through a stainless steel joint (7212), one side wall of the square pipe (7211) is connected with one end of a plurality of microporous aeration heads (7214) in a penetrating manner, and an aeration head support plate (7213) is installed at the other end of the microporous aeration heads (7214).

8. The kitchen waste and liquid pretreatment device according to claim 5, wherein the anoxic stirring gas pipe (724) is installed at the bottom end surface of the anoxic tank (709) through a plurality of gas stirring supports (7241), and the gas stirring supports (7241) are provided with nylon rolling belts (7242).

9. The kitchen waste liquid pretreatment device according to claim 1, wherein the first driving component (26) and the second driving component (272) both comprise a second speed reduction motor (2721) and a speed reducer (2722) mounted on the second speed reduction motor (2721).

10. The kitchen waste liquid pretreatment device according to claim 1, characterized in that a monitoring end for monitoring the weight of waste inside the garbage can (4) and reminding corresponding waste cleaning personnel to clean the waste is arranged on the garbage can (4).

Technical Field

The invention relates to the technical field of kitchen waste treatment, in particular to a kitchen waste liquid pretreatment device.

Background

In a conventional sanitation garbage transfer station, the kitchen garbage treatment mode is solid-liquid primary separation, large and medium solid garbage and waste liquid are separated, the solid garbage is transferred to a thermal power plant for burning, the separated waste liquid is heated for primary oil-water separation, the content of waste residues with the particle size of 1-20 mm in the waste liquid accounts for about 20%, the waste liquid cannot be directly treated by a biochemical system, small-particle-size solid-liquid separation of the waste liquid, secondary oil-water separation and solid-liquid separation after heating are needed, the separated solid residues are compressed, the water content is controlled to be about 50%, the solid residues are transferred and burned again, and the cost of burning the kitchen waste residues is about 1800-3000 yuan per ton;

the invention aims to reduce the incineration water content of solid waste, reduce the incineration energy consumption and the incineration waste gas emission and reduce the solid treatment cost of a sanitation station.

Disclosure of Invention

The invention aims to solve the problems that the particle size of waste residues is large and the moisture content of separated solid residues is high in the front-end pretreatment of the existing kitchen waste water, so that the incineration cost of the kitchen waste residues is increased, and provides a kitchen waste liquid pretreatment device.

The purpose of the invention can be realized by the following technical scheme: a kitchen waste liquid pretreatment device comprises a crushing mechanism, a solid-liquid separation mechanism, a vertical pipeline pump, a garbage can, a three-phase separator, a UASB anaerobic tank and a buried treatment mechanism; the crushing mechanism is communicated with the solid-liquid separation mechanism through a first pipeline, a water outlet of the solid-liquid separation mechanism is connected with one end of a vertical pipeline pump through a second pipeline, the other end of the vertical pipeline pump is connected with one end of a three-phase separator through a third pipeline, the other end of the three-phase separator is communicated with one side of the bottom of the UASB anaerobic tank through a fourth pipeline, and one side of the top of the UASB anaerobic tank is communicated with the top of one side of the buried processing mechanism through a fifth pipeline; the solid-liquid separation mechanism comprises a lower support frame, a water distribution tank is mounted at the top end of the lower support frame, a grid mechanism is mounted inside the water distribution tank, and a first driving assembly is arranged at one end, located on the grid mechanism, of the water distribution tank; the bottom of the water distribution tank is provided with a water collecting tank, and the bottom of the side wall of one side of the water collecting tank is provided with a water outlet; the other side of the water collecting tank is provided with a spiral extrusion filtering mechanism arranged on the lower supporting frame, and the upper part of the spiral extrusion filtering mechanism is provided with a slag discharging funnel;

the spiral extrusion filtering mechanism comprises a slag feeding guide frame, a water filtering collecting hopper is arranged at the bottom of the slag feeding guide frame, one end of a connecting pipe is arranged at the bottom of one side of the water filtering collecting hopper, and the other end of the connecting pipe is communicated with the side wall of the other side of the water collecting tank; one end of the slag feeding guide frame is provided with a second driving assembly, and the slag feeding guide frame is communicated with the bottom of the slag discharge hopper; a screw and a screen are arranged in the slag inlet guide frame, and one end of the screw is inserted in the screen; the driving assembly II is in transmission connection with the screw; the other end of the slag feeding guide frame is provided with one end fixedly connected with a solid slag climbing guide pipe through a flange, and the other end of the solid slag climbing guide pipe is positioned right above the garbage can; the spiral extrusion filtering mechanism is increased, the solid slag gravity self-sliding of separation treatment is to the spiral extrusion filtering mechanism, carry out the slow extrusion, filter screen cylinder through clearance 1mm, push the solid slag upward the solid slag-free climbing pipe again, solid slag climbing pipe overall arrangement upwards and spiral extrusion axial are 120 degrees contained angles to one side, because solid slag begins up climbing at the extrusion passageway, consequently, produce great resistance, let the spiral extrusion more compact, effectual will gu the slag moisture extrude, the waste liquid of extruding passes through spiral extrusion bottom sump, flow in solid-liquid separation device bottom again, unified row is to next processing link (centrifugal three-phase separation), can realize solid slag moisture content at solid slag extrusion link and reduce to about 50% from 90%.

As a preferred embodiment of the present invention, the screen includes a plurality of fixing rings and screen rods, the plurality of screen rods are placed at equal angles to form a screen cylinder, the plurality of fixing rings are fixedly sleeved on the screen cylinder at equal intervals, and end faces of both ends of the screen rods are isosceles trapezoids.

As a preferred embodiment of the invention, the crushing mechanism is used for performing solid-liquid crushing on the kitchen waste liquid and crushing the waste with large particle size in the waste liquid into a solid-liquid mixture with small particle size;

the solid-liquid separation mechanism further processes the solid-liquid mixture with small particle size to obtain waste liquid and solid slag;

the vertical pipeline pump is used for conveying the waste liquid into the three-phase separator,

the three-phase separator is used for separating oil, water and solid from the waste liquid;

the UASB anaerobic tank is used for carrying out microbial decomposition treatment on the waste liquid to obtain water which enters the buried treatment mechanism;

the buried treatment mechanism carries out sewage biochemical treatment on the entering water.

As a preferred embodiment of the invention, the crushing mechanism comprises a bracket, a bottom plate is arranged on the bracket, and a first speed reduction motor and a crushing bucket are arranged on the bottom plate; a driving shaft lever and a driven post lever are arranged in the crushing hopper, and crushing cutter heads are arranged on the driving shaft lever and the driven post lever; the driving shaft lever is meshed with the driven post lever; one end of the driving shaft lever is in transmission connection with the first speed reduction motor through a coupler, and the bottom of the crushing hopper is in through connection with one end of the first pipeline.

As a preferred embodiment of the invention, the buried processing mechanism comprises a box body, wherein a top cover plate is arranged at the top of the box body, a first hole entering frame and a second hole entering frame are arranged on the top cover plate, outer top covers are arranged on the first hole entering frame and the second hole entering frame, and an exhaust pipe is arranged on the outer top cover on the first hole entering frame; one side of the buried processing mechanism is provided with a water inlet pipe and a water outlet pipe;

a first containing cavity, a sedimentation tank, an anoxic tank and an aerobic tank are arranged in the buried treatment mechanism; the first containing cavity is positioned between the sedimentation tank and the anoxic tank; the aerobic tank is positioned at one side of the first containing cavity, the sedimentation tank and the anoxic tank;

a sludge return pipe and a sludge discharge pipe are arranged in the first accommodating cavity, and one end of the sludge return pipe is positioned at the top end of one side in the anoxic tank; the other end of the sludge return pipe is positioned at the bottom of one side of the interior of the sedimentation tank; one end of the sludge discharge pipe is positioned outside the box body and is positioned at one side of the water outlet pipe;

a backflow cylinder assembly is arranged in the sedimentation tank, one end of a flow guide water inlet pipe is connected to the backflow cylinder assembly in a penetrating mode, and the other end of the flow guide water inlet pipe is located at the top end of one side in the sedimentation tank; the bottom end in the sedimentation tank is provided with two symmetrically arranged sedimentation inclined plates which are V-shaped;

an upper filler supporting metal plate and a lower filler supporting metal plate are arranged in the anoxic tank and the aerobic tank from top to bottom, a plurality of filler supporting tubes are arranged on the upper filler supporting metal plate and the lower filler supporting metal plate respectively, and the filler supporting tubes on the upper filler supporting metal plate and the lower filler supporting metal plate are in one-to-one correspondence; and a filler cloth is arranged between the filler upper supporting metal plate and the filler supporting tube on the filler lower supporting metal plate; an anoxic stirring air pipe is arranged on the bottom end face of the interior of the anoxic tank, and an aerobic tank aeration pipe assembly is arranged on the bottom end face of the interior of the aerobic tank.

As a preferred embodiment of the invention, the backflow cylinder assembly comprises a backflow outer cylinder and a backflow inner cylinder, wherein the inner wall of the backflow outer cylinder is fixedly connected with the outer side wall of a backflow weir arranged in the backflow outer cylinder through a plurality of backflow cylinder linking pieces; a backflow weir bottom plate is arranged at the bottom of the backflow weir, the bottom end surface of the backflow weir bottom plate is fixedly sleeved on the backflow inner cylinder, the bottom end surface of the backflow weir bottom plate is communicated with one end of the flow guide water outlet pipe, and the other end of the flow guide water outlet pipe is positioned in the first containing cavity; the bottom fixedly connected with refluence loudspeaker top of refluence inner tube, the bottom of refluence loudspeaker is through a plurality of angle steels and the refluence cap fixed connection who sets up under the refluence loudspeaker.

As a preferred embodiment of the present invention, the aeration pipe assembly of the aerobic tank comprises a square pipe, one end of the square pipe is connected with one end of the aerobic air inlet pipe through a stainless steel joint, one side wall of the square pipe is connected with one end of a plurality of microporous aeration heads in a penetrating manner, and an aeration head support plate is installed at the other end of the microporous aeration heads.

As a preferred embodiment of the present invention, the anoxic stirring gas pipe is installed on the bottom end surface of the anoxic tank through a plurality of gas stirring supports, and the gas stirring supports are provided with nylon rolling belts.

As a preferred embodiment of the present invention, the first driving assembly and the second driving assembly each include a second reduction motor and a reducer mounted on the second reduction motor;

as a preferred embodiment of the present invention, the garbage can is provided with a monitoring end for monitoring the weight of the garbage inside the garbage can and reminding a corresponding garbage cleaning person to clean the garbage.

Compared with the prior art, the invention has the beneficial effects that:

the crushing mechanism is used for carrying out solid-liquid crushing on the kitchen waste liquid, crushing the waste with large particle size in the waste liquid into a solid-liquid mixture with small particle size about mm, and then flowing into the solid-liquid separation mechanism through gravity; grid mechanism in the solid-liquid separation mechanism carries out solid-liquid separation to the solid-liquid mixture of granule footpath, the waste liquid gets into in the water catch bowl, solid sediment thing gets into the sediment guide frame through arranging the sediment funnel and gets into, two driving screw of gear motor in the drive assembly two rotate, the screw pushes solid sediment thing to being close to solid sediment climbing pipe side, screw extrusion is crowded solid sediment thing through the screen cloth to solid sediment climbing pipe in, the screen cloth filters the waste liquid of solid sediment thing again, leak into the water catch bowl through the connecting pipe in, solid sediment thing is in solid sediment climbing pipe through the terminal entering of screw rod, solid sediment climbing pipe produces the resistance, make screw extrusion's solid sediment thing compression inseparable, extrude unnecessary moisture, the water content of the solid sediment thing that separates out after the extrusion is lower.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings;

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

FIG. 2 is an overall schematic view of a solid-liquid separation mechanism of the present invention;

FIG. 3 is a schematic view of the installation of the screw extrusion filter mechanism of the present invention;

FIG. 4 is a schematic view of the screw installation of the present invention;

FIG. 5 is a schematic diagram of the overall structure of the screen panel of the present invention;

FIG. 6 is a schematic view of the overall structure of the crushing mechanism of the present invention;

FIG. 7 is a schematic view of the overall structure of the underground processing mechanism of the present invention;

FIG. 8 is a top view of the interior of the underground processing mechanism of the present invention;

FIG. 9 is a schematic view of the internal structure of the aerobic tank according to the present invention;

FIG. 10 is a schematic view of the internal structure of the anoxic tank according to the present invention;

FIG. 11 is an enlarged view of the structure A of FIG. 10 according to the present invention;

FIG. 12 is a schematic view of the overall structure of the aeration pipe assembly of the aerobic tank of the invention;

FIG. 13 is a schematic view of the overall structure of the backflow cylinder assembly of the present invention;

FIG. 14 is a schematic view of a solid slag climbing pipe structure according to the present invention;

fig. 15 is a schematic block diagram of the monitoring end of the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1, a kitchen waste liquid pretreatment device comprises a crushing mechanism 1, a solid-liquid separation mechanism 2, a vertical pipeline pump 3, a garbage can 4, a three-phase separator 5, a UASB anaerobic tank 6 and a buried treatment mechanism 7; the crushing mechanism 1 is in through connection with the solid-liquid separation mechanism 2 through a first pipeline, a water outlet 25 of the solid-liquid separation mechanism 2 is connected with one end of a vertical pipeline pump 3 through a second pipeline, the other end of the vertical pipeline pump 3 is connected with one end of a three-phase separator 5 through a third pipeline, the other end of the three-phase separator 5 is in through connection with one side of the bottom of the UASB anaerobic tank 6 through a fourth pipeline, and one side of the top of the UASB anaerobic tank 6 is in through connection with the top of one side of the buried treatment mechanism 7 through a fifth pipeline;

referring to fig. 6, the crushing mechanism 1 includes a bracket 11, a bottom plate 12 is installed on the bracket 11, and a first speed reduction motor 13 and a crushing bucket 14 are installed on the bottom plate 12; a driving shaft lever 15 and a driven post lever 16 are arranged inside the crushing hopper 14, and crushing cutter heads 17 are arranged on the driving shaft lever 15 and the driven post lever 16; the driving shaft rod 15 is meshed with the driven post rod 16; one end of the driving shaft lever 15 is in transmission connection with the first speed reduction motor 13 through a coupler, and the bottom of the crushing hopper 14 is in through connection with one end of the first pipeline;

the crushing mechanism 1 is used for carrying out solid-liquid crushing on the kitchen waste liquid, crushing the waste with large particle size in the waste liquid into a solid-liquid mixture with small particle size of about 5mm, and then flowing into the solid-liquid separation mechanism 2 through gravity;

referring to fig. 2-5, the solid-liquid separation mechanism 2 further processes the solid-liquid mixture with small particle size to obtain waste liquid and solid slag; the solid-liquid separation mechanism 2 comprises a lower support frame 21, a water distribution box 22 is installed at the top end of the lower support frame 21, a grid mechanism 28 is installed inside the water distribution box 22, and a first driving assembly 26 is arranged at one end, located on the grid mechanism 28, of the water distribution box 22; a water collecting tank 24 is arranged at the bottom of the water distribution tank 22, and a water outlet 25 is formed in the bottom of the side wall of one side of the water collecting tank 24; the other side of the water collecting tank 24 is provided with a spiral extrusion filtering mechanism 27 arranged on the lower supporting frame 21, and the upper part of the spiral extrusion filtering mechanism 27 is provided with a slag discharging funnel 29; the spiral extrusion filtering mechanism 27 comprises a slag inlet guide frame 271, a water filtering collecting hopper 277 is arranged at the bottom of the slag inlet guide frame 271, one end of a connecting pipe 274 is arranged at the bottom of one side of the water filtering collecting hopper 277, and the other end of the connecting pipe 274 is communicated with the side wall of the other side of the water collecting tank 24; one end of the slag feeding guide frame 271 is provided with a second driving assembly 272, and the slag feeding guide frame 271 is communicated with the bottom of the slag discharge hopper 29; a screw 275 and a screen 276 are arranged inside the slag inlet guide frame 271, and one end of the screw 275 is inserted into the screen 276; the screen 276 comprises a plurality of fixing rings 2761 and screen rods 2762, the screen rods 2762 are placed at equal angles to form a screen cylinder, the fixing rings 2761 are fixedly sleeved on the screen cylinder at equal intervals, and the end faces of the two ends of the screen rods 2762 are isosceles trapezoids; the second driving component 272 is in transmission connection with the screw 275; the other end of the slag inlet guide frame 271 is provided with one end fixedly connected with a solid slag climbing guide pipe 273 through a flange, a reinforcing rib 7231 is welded between the solid slag climbing guide pipe 273 and the lower support frame 21, and the other end of the solid slag climbing guide pipe 273 is positioned right above the garbage can 4; the first driving assembly 26 and the second driving assembly 272 both comprise a second speed reducing motor 2721 and a speed reducer 2722 mounted on the second speed reducing motor 2721; the problems of solid-liquid fine solid-liquid separation in the kitchen waste liquid and the reduction of the water content by compressing small waste residues are solved, the waste incineration cost is effectively reduced, and the waste liquid is easy to biodegrade;

the grid mechanism 28 carries out solid-liquid separation on a solid-liquid mixture with a small particle size of about 5mm, waste liquid enters the water collecting tank 24, solid slag enters the slag inlet guide frame 271 through the slag discharging hopper 29, the second speed reducing motor in the second driving assembly 272 drives the screw 275 to rotate, the screw 275 pushes the solid slag to the side close to the solid slag climbing conduit 273, the solid slag is pushed into the solid slag climbing conduit 273 through the screen 276 by spiral extrusion, the waste liquid of the solid slag is filtered by the screen 276 and leaks into the water collecting tank 24 through the connecting pipe 274, the solid slag enters the solid slag climbing conduit 273 through the tail end of the screw 275, and the solid slag climbing conduit 273 generates resistance, so that the spirally extruded solid slag is compressed tightly, excessive water is extruded, and the water content of the separated solid slag is lower after extrusion;

the vertical pipeline pump 3 is used for conveying the waste liquid into the three-phase separator 5, and the three-phase separator 5 is used for carrying out oil, water and solid separation on the waste liquid; the separated waste liquid enters a UASB anaerobic tank 6, and water obtained by carrying out microbial decomposition treatment on the waste liquid by the UASB anaerobic tank 6 enters a buried treatment mechanism 7;

referring to fig. 7-13, the buried processing mechanism 7 includes a box 701, a top cover plate 702 is installed on the top of the box 701, a first manhole frame 703 and a second manhole frame 704 are installed on the top cover plate 702, an outer top cover 705 is installed on both the first manhole frame 703 and the second manhole frame 704, and an exhaust pipe 706 is installed on the outer top cover 705 on the first manhole frame 703; one side of the buried processing mechanism 7 is provided with a water inlet pipe 725 and a water outlet pipe 711; the exhaust pipe 706 is provided with a rain-proof cap through a plurality of adhesive strips;

a first containing cavity 707, a sedimentation tank 708, an anoxic tank 709 and an aerobic tank 710 are arranged in the buried treatment mechanism 7; the first volume 707 is located between the settling tank 708 and the anoxic tank 709; the aerobic tank 710 is positioned at one side of the first cavity 707, the sedimentation tank 708 and the anoxic tank 709;

a sludge return pipe 714 and a sludge discharge pipe 712 are arranged in the first cavity 707, and one end of the sludge return pipe 714 is positioned at the top end of one side in the anoxic pond 709; the other end of the sludge return pipe 714 is positioned at the bottom of one side of the interior of the sedimentation tank 708; one end of the sludge discharge pipe 712 is positioned outside the tank 701 and on one side of the water outlet pipe 711;

a backflow cylinder assembly 713 is arranged in the sedimentation tank 708, one end of a flow guide water inlet pipe 716 is connected to the backflow cylinder assembly 713 in a penetrating manner, and the other end of the flow guide water inlet pipe 716 is positioned at the top end of one side in the aerobic tank 710; the bottom end in the sedimentation tank 708 is provided with two symmetrically arranged sedimentation sloping plates 715, and the two sedimentation sloping plates 715 are V-shaped;

an upper filler supporting sheet metal 717 and a lower filler supporting sheet metal 718 are arranged in the anoxic tank 709 and the aerobic tank 710 from top to bottom, a plurality of filler supporting pipes 719 are arranged on the upper filler supporting sheet metal 717 and the lower filler supporting sheet metal 718, and the upper filler supporting sheet metal 717 corresponds to the filler supporting pipes 719 on the lower filler supporting sheet metal 718 one by one; and a filler cloth 720 is arranged between the filler upper supporting sheet metal 717 and the filler supporting tube 719 on the filler lower supporting sheet metal 718; an anoxic stirring air pipe 724 is arranged on the bottom end face of the interior of the anoxic tank 709, and an aerobic tank aeration pipe component 721 is arranged on the bottom end face of the interior of the aerobic tank 710.

The backflow cylinder assembly 713 comprises a backflow outer cylinder 7131 and a backflow inner cylinder 7135, and the inner wall of the backflow outer cylinder 7131 is fixedly connected with the outer side wall of a backflow weir 7133 arranged inside the backflow outer cylinder 7131 through a plurality of backflow cylinder linkage sheets 7132; a backflow weir bottom plate 7134 is arranged at the bottom of the backflow weir 7133, the bottom end face of the backflow weir bottom plate 7134 is fixedly sleeved on the backflow inner cylinder 7135, the bottom end face of the backflow weir bottom plate 7134 is communicated with one end of a flow guide water outlet pipe 7139, and the other end of the flow guide water outlet pipe 7139 is positioned in the first accommodating cavity 707; the bottom end of the backflow inner cylinder 7135 is fixedly connected with the top end of a backflow horn 7136, and the bottom end of the backflow horn 7136 is fixedly connected with a backflow cap 7138 arranged right below the backflow horn 7136 through a plurality of angle steels 7137;

the aerobic tank aeration pipe assembly 721 comprises a square pipe 7211, one end of the square pipe 7211 is connected with one end of an aerobic air inlet pipe 722 through a stainless steel joint 7212, one side wall of the square pipe 7211 is in through connection with one end of a plurality of microporous aeration heads 7214, and the other end of the microporous aeration heads 7214 is provided with an aeration head support plate 7213;

the anoxic stirring air pipe 724 is arranged on the bottom end surface of the anoxic pond 709 through a plurality of air stirring supports 7241, and nylon rolling belts 7242 are arranged on the air stirring supports 7241;

bury formula processing mechanism 7 and carry out sewage biochemical treatment to the water that gets into, specifically do: the water passing through the UASB anaerobic tank 6 enters the anoxic tank 709 through the water inlet pipe 725, then enters the aerobic tank 710, is subjected to aeration treatment through the aerobic tank aeration component 721, and finally enters the sedimentation tank 708 for sludge and water separation; the precipitated sludge is subjected to gas stripping to an anoxic tank 709 for circulation;

solid-liquid and residue-liquid separation and filtration are carried out on the kitchen waste, a filtering and separating device is not blocked, a mechanical self-cleaning function and solid residue spiral extrusion dehydration are carried out, effective dry-wet separation is carried out on the solid-liquid separation in the kitchen waste, waste liquid in a separating box is pressurized to an anaerobic fermentation system through a pump, the anaerobic fermentation principle is utilized to carry out fermentation treatment on the kitchen waste liquid, macromolecular organic matters which are difficult to decompose are decomposed into micromolecular organic matters through the anaerobic microorganism technology, and COD (chemical oxygen demand) in the waste liquid can be degraded to about 400mg/L from 10000 mg/L; the AO biochemical system, the supernatant fluid decomposed by anaerobic fermentation enters the A buried processing mechanism 7 (anoxic and aerobic) biochemical treatment, COD is effectively removed, so as to realize a technology from preliminary pretreatment to advanced treatment;

example 2:

referring to fig. 14, the solid slag climbing pipe 273 includes a first pipe 2731 and two second pipes 2732; one end of each of the two second conduits 2732 is respectively connected to two ends of the first conduit 2731 through an arc-shaped connection pipe 2733; the included angle between the axes of the first conduit 2731 and the two second conduits 2732 is 120 degrees; the first conduit 2731 and the two second conduits 2732 each include an upper tube 2734 and a lower tube 2735; the upper tube 2734 and the lower tube 2735 form a first tube 2731 or a second tube 2732 that is hollow cylindrical; rectangular plates 2736 are integrally formed on two sides of the upper pipe 2734 and the lower pipe 2735, and the rectangular plates 2736 on the upper pipe 2734 and the lower pipe 2735 are fixed through bolt and nut fixing pieces 2737; the solid slag climbing pipe 273 is arranged into an upper pipe body 2734 structure and a lower pipe body 2735 structure, so that the pipe is convenient to disassemble, and after garbage treatment is finished, solid slag objects in the solid slag climbing pipe 273 are convenient to clean by disassembling the upper pipe body 2734 structure and the lower pipe body 2735 structure;

example 3:

referring to fig. 15, a monitoring end is disposed on the trash can 4, and the monitoring end includes a weighing sensor, a positioning sensor, an analysis unit, and a memory; the weighing sensor is used for regularly collecting the weight of solid slag in the dustbin 4 and sending the weight to the analysis unit; the positioning sensor is used for acquiring the real-time positioning of the dustbin 4 and sending the real-time positioning to the analysis unit; the storage is in communication connection with the analysis unit and stores personnel information of the garbage cleaning personnel, wherein the personnel information comprises names, ages, mobile phone numbers and job entry moments; the analysis unit receives the weight of the solid slag of the weighing sensor and analyzes the weight, and the specific analysis process is as follows:

comparing the weight of the solid slag with a set weight threshold, and generating a cleaning instruction when the weight of the solid slag is equal to the set weight threshold; sending a position acquisition instruction to a mobile phone terminal of a garbage cleaning worker and acquiring the current position of the garbage cleaning worker;

calculating the distance difference between the current position and the position of the dustbin 4 to obtain a cleaning distance and marking the cleaning distance as QL 1; acquiring the ages and clearing values of garbage cleaning personnel and marking the ages and clearing values as QL2 and QL3 respectively; carrying out normalization processing on the cleaning interval, the age and the cleaning value of the garbage cleaning personnel and taking the numerical values of the cleaning interval, the age and the cleaning value;

obtaining a cleaning merit value QG of a garbage cleaning worker by using a formula QG of f1/QL1+ f2/(| QL2-35| +1) + QL3 × f 3; wherein f1, f2 and f3 are all preset weight coefficients, and the values are respectively 10.6, 20.7 and 1.3; the formula can be used for obtaining that the smaller the cleaning distance is, the closer the age is to 35 years, the larger the cleaning value is, the larger the corresponding cleaning optimal value is, and the probability that the analysis unit sends a cleaning instruction to a garbage cleaning worker is higher; marking the garbage cleaning personnel with the maximum cleaning merit value as selected personnel;

acquiring the processing interval of the selected personnel, and converting the processing interval into the estimated arrival time according to a certain proportion;

sorting the weight of the solid slag collected in the dustbin 4 according to the collection time sequence; calculating the weight difference between two adjacent acquisition intervals; removing the maximum and minimum weight differences, summing all the remaining weight differences, and taking the average value of the weight differences to obtain a weight average value difference; dividing the estimated arrival time by the acquisition interval, and obtaining the estimated increase weight of the dustbin 4 through the idiom weight average value difference; subtracting the estimated increase weight from the rated storage weight of the dustbin 4 to obtain the reminding weight of the dustbin 4;

when the weighing sensor acquires that the weight of solid slag in the dustbin is equal to the reminding weight, sending a cleaning instruction and the position of the dustbin 4 to a mobile phone terminal of a selected person, and marking the time of sending the cleaning instruction as an initial sending time; after receiving a cleaning instruction through a mobile phone terminal, a selected person carries out position verification after arriving at the position of the dustbin 4, and after the verification is successful, the selected person carries out cleaning and transferring on the garbage in the dustbin 4; meanwhile, marking the time when the verification is successful as the arrival time; meanwhile, the total number of times of treatment in the current month of the selected personnel is increased once;

the analysis unit calculates the time difference between the sending initial time and the arrival time to obtain the actual arrival time of the selected person, compares the actual arrival time with the estimated arrival time, calculates the time difference between the actual arrival time and the estimated arrival time to obtain a single-time advanced time when the actual arrival time is less than the estimated arrival time, sums all the single-time advanced times of the selected person to obtain an average advanced time, and marks the average advanced time as QT 1; marking the total number of times of treatment in the current month of the selected person as QT 2; normalizing the average value ahead of time and the total number of times of the current month processing, and obtaining the numerical value of the average value ahead of time and the numerical value of the average value ahead of time, wherein the numerical value is QL3 which is 1/QT1 multiplied by 0.6-QT2 multiplied by 2 to obtain the clear effective value QL3 of the selected person; the analysis unit sends the clearing value to a memory for storage; by arranging the monitoring end, personnel supervision is not needed, and corresponding garbage cleaning personnel can be intelligently reminded of cleaning the garbage conveniently;

the formulas are obtained by acquiring a large amount of data and performing software simulation, and the coefficients in the formulas are set by the technicians in the field according to actual conditions;

when the kitchen waste liquid crusher is used, the crushing mechanism 1 is used for carrying out solid-liquid crushing on the kitchen waste liquid, crushing the garbage with large particle size in the waste liquid into a solid-liquid mixture with small particle size of about 5mm, and then flowing into the solid-liquid separation mechanism 2 through gravity; the grid mechanism 28 in the solid-liquid separation mechanism 2 carries out solid-liquid separation on a solid-liquid mixture with a small particle size of about 5mm, waste liquid enters the water collecting tank 24, solid slag enters the slag inlet guide frame 271 through the slag discharging hopper 29, the screw 275 is driven to rotate by the second speed reducing motor in the second driving assembly 272, the screw 275 pushes the solid slag to the side close to the solid slag climbing pipe 273, the solid slag is pushed to the solid slag climbing pipe 273 through the screen 276 by the screw extrusion, the waste liquid of the solid slag is filtered by the screen 276 and leaks into the water collecting tank 24 through the connecting pipe 274, the solid slag enters the solid slag climbing pipe 273 through the tail end of the screw 275, and the solid slag climbing pipe 273 generates resistance, so that the solid slag subjected to the screw extrusion is compressed tightly, excessive moisture is extruded, and the moisture content of the solid slag separated after the extrusion is lower.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.