CN111922028A - Ruminant type kitchen waste treatment device and method - Google Patents

Ruminant type kitchen waste treatment device and method Download PDF

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Publication number
CN111922028A
CN111922028A CN202010631849.4A CN202010631849A CN111922028A CN 111922028 A CN111922028 A CN 111922028A CN 202010631849 A CN202010631849 A CN 202010631849A CN 111922028 A CN111922028 A CN 111922028A
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kitchen waste
slurry
oil
chamber
water
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CN111922028B (en
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黄志刚
高东明
田斌
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Beijing Technology and Business University
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Beijing Technology and Business University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B2101/00Type of solid waste
    • B09B2101/02Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D17/00Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02Separation of non-miscible liquids
    • B01D17/0208Separation of non-miscible liquids by sedimentation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/003Filters in combination with devices for the removal of liquids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B5/00Operations not covered by a single other subclass or by a single other group in this subclass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B9/00Presses specially adapted for particular purposes
    • B30B9/02Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/12Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
    • B30B9/14Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing operating with only one screw or worm

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention provides a ruminant kitchen waste treatment device and method. The rumination type kitchen waste treatment device comprises a circulating system, a spiral squeezing mechanism, a convergence and solid discharge mechanism, a slurry separation mechanism, an oil-water precipitation mechanism and a digestion mechanism. According to the ruminant kitchen waste treatment method, in the kitchen waste feeding period, a ruminant kitchen waste treatment device treats kitchen waste fed in real time; and in the non-feeding period of the kitchen waste, performing reverse circulation treatment on the kitchen waste remained in the digestion mechanism, or cleaning the interior of the squeezing mechanism by using external liquid. Aiming at the problems that the kitchen waste treatment is contradictory in treatment time and treatment amount due to the fact that the generation time of the kitchen waste is concentrated in three meals, and other kitchen waste treatment problems are caused, the three meals are comprehensively utilized for operation, solid phase reduction of the kitchen waste is achieved, liquid phase oil-water separation is achieved, digestion is rapidly achieved, and the kitchen waste treatment problem is effectively solved.

Description

Ruminant type kitchen waste treatment device and method
Technical Field
The invention relates to the technical field of kitchen waste treatment, in particular to a ruminant kitchen waste treatment device and method.
Background
The extremely high moisture content and the higher oiliness rate of kitchen garbage cause very big influence to the follow-up recovery processing effect of kitchen garbage processing, no matter what kind of treatment methods are adopted to follow-up secondary minimizing recovery processing to kitchen garbage, all very easily cause the direct infiltration groundwater layer of kitchen penetrant, and cause secondary pollution and the phenomenon that most kitchen organic matter all is wasted. At present, in the aspect of effectively reducing the water content of the kitchen waste and the oil content of materials and providing good solid-phase materials which accord with the oil content and the water content for the subsequent treatment of the kitchen waste, the kitchen waste pretreatment process technology meets the treatment of materials (high viscosity and high dispersibility) which are difficult to dehydrate and high requirements on the speed and efficiency of solid-liquid separation, and the complex material characteristics of mixed liquid can cause the increase of energy consumption and faults. In addition, the generation time of the kitchen waste is concentrated in the three-meal time, and the characteristic of short time and large feeding amount also causes great contradiction between the treatment time and the treatment amount of the kitchen waste. Aiming at the problems, the invention provides a novel kitchen waste treatment device and a novel kitchen waste treatment method, which can effectively separate oil-water-solid three phases, recycle an oil phase, discharge a small amount of solid phase materials with low water content for subsequent aerobic fermentation, and clear up and discharge the residual liquid.
Disclosure of Invention
The invention aims to provide a ruminant-type kitchen waste treatment device and method, aiming at the problems that the treatment time and the treatment amount of kitchen waste treatment are contradictory due to the fact that the generation time of the kitchen waste is concentrated in the three-meal time, and reduction pretreatment and standard discharge of the generated kitchen waste treatment equipment are difficult to perform in a short time at one time.
The invention relates to a rumination type kitchen waste treatment device, which adopts the following technical scheme: the device comprises a circulating system, a spiral squeezing mechanism, a convergence and solid discharge mechanism, a slurry separation mechanism, an oil-water precipitation mechanism and a digestion mechanism; the rear part of the spiral squeezing mechanism is connected with the convergence discharging mechanism, the lower part of the spiral squeezing mechanism is connected with the slurry separating mechanism, the slurry separating mechanism is connected with the oil-water precipitation mechanism, the slurry separating mechanism and the oil-water precipitation mechanism are both connected with the digestion mechanism, the circulating system is respectively connected with the spiral squeezing mechanism and the digestion mechanism, and the spiral squeezing mechanism comprises a squeezing cage.
The technical scheme of the invention also comprises the following auxiliary schemes:
the circulating system comprises a first water inlet valve, a second water inlet valve, a pump, a liquid pumping pipe, a liquid outlet valve, a return pipe, a return valve, a discharge pipe and a water inlet pipe.
The screw squeezing mechanism further comprises a screw shaft, a squeezing screw and a spraying pipe.
The circumference of the screw shaft is provided with a pressing screw for pressing, and a spray pipe is arranged above the pressing cage and used for cleaning the outside of the pressing cage.
The convergence discharging and fixing mechanism comprises a convergence stator, a convergence rotor, a driving gear and a solid material outlet, wherein a convergence stator discharge port and a convergence rotor discharge port are respectively arranged on the convergence stator and the convergence rotor, a solid material outlet is arranged on one side of the convergence stator, the driving gear can change the relative position between the convergence stator discharge port and the convergence rotor discharge port to control the discharge port of the spiral squeezing mechanism, and the convergence discharging and fixing mechanism is connected with the tail of the squeezing cage.
The slurry separation mechanism comprises a filter screen, an oil guide groove, an oil guide pipe, a slurry chamber, a slurry discharge pipe and a slurry discharge valve, wherein the slurry chamber is arranged below the squeezing cage.
The oil-water precipitation mechanism comprises an oil-water precipitation chamber, an oil storage chamber, a floating oil pipe, an oil-water chamber water outlet pipe and an oil-water valve.
The digestion mechanism comprises a digestion chamber and a stirring frame, the top of the digestion chamber is provided with a microorganism feed opening, and the middle lower part of the inner cavity of the digestion chamber is provided with the stirring frame.
A ruminant kitchen waste disposal method is characterized in that the working processes of a ruminant kitchen waste disposal device in a kitchen waste feeding period and a kitchen waste non-feeding period are different, and kitchen waste which is fed in real time is disposed in the kitchen waste feeding period; and in the non-feeding period of the kitchen waste, on the basis of adding microorganisms and enzymes into the digestion mechanism, carrying out reverse circulation treatment on the kitchen waste remained in the digestion mechanism, or cleaning the interior of the squeezing mechanism by using external liquid.
A rumination type kitchen waste treatment method further comprises the following specific processes:
(1) the kitchen waste feeding period is as follows: the kitchen waste is crushed by the crushing mechanism and then falls to a feed inlet of the spiral squeezing mechanism, the motor drives the screw shaft and the squeezing screw to squeeze the kitchen waste, slurry in the squeezing process falls into the lower slurry separation mechanism through the squeezing cage, and solid matters which cannot penetrate through the squeezing cage are discharged through the convergent discharging mechanism at the tail of the squeezing mechanism; the overlapping amount of a rotor discharge port and a stator discharge port of the convergence discharge mechanism is adjusted to determine the squeezing degree of the kitchen waste by the squeezing mechanism; precipitating kitchen waste slurry falling into the slurry chamber, wherein an oil-water mixture with lower density falls into a groove-shaped oil guide groove outside the filter screens after being filtered by the filter screens at the upper parts of the two sides of the slurry chamber, and then flows into the oil-water precipitation chamber through an oil guide pipe at the bottom of the oil guide groove, fine particles precipitated at the bottom of the slurry chamber are discharged into the digestion chamber through a slurry discharge pipe, a slurry discharge valve on a pipeline of the slurry discharge pipe is closed in the process of gradually accumulating the slurry, the slurry is opened after reaching a certain height and precipitating for a certain time, and the slurry discharge valve is closed after the slurry chamber is emptied to wait for the next cycle; the oil in the oil-water precipitation chamber is on the upper layer and the water is on the lower layer, after the liquid state in the oil-water precipitation chamber reaches a certain height, the oil on the upper layer flows to the oil storage chamber through the oil floating pipe on the upper part of the oil-water precipitation chamber, the water on the lower part flows to the digestion chamber through the oil-water chamber water outlet pipe on the bottom of the oil-water precipitation chamber, an oil-water valve on a pipeline of the oil-water chamber water outlet pipe is closed in the process of gradually accumulating the liquid, the oil-water valve is opened after the liquid reaches a certain height, and the oil;
(2) the kitchen waste non-feeding period is as follows: the discharge hole of the spiral squeezing mechanism is closed by adjusting the discharge hole of the rotor and the discharge hole of the stator of the convergence and solid discharge mechanism, and a certain amount of microorganisms and enzymes are put into the digestion chamber from a microorganism feed inlet at the top of the digestion chamber; a liquid outlet valve and a reflux valve of the circulating system are opened, kitchen waste slurry with microorganisms and enzymes in the digestion chamber enters a material inlet of the squeezing mechanism through a pump and a reflux pipe, then is squeezed and stirred by the squeezing mechanism and falls into a slurry chamber below through a squeezing cage, a slurry discharging valve on a pipeline of a slurry discharging pipe is opened, slurry in the slurry chamber can freely enter the digestion chamber through the slurry discharging pipe, and the slurry is pumped out to enter the next circulation after being stirred by a stirring frame at the middle lower part of an inner cavity of the digestion chamber; when the kitchen waste slurry is decomposed and meets the discharge requirement, a reflux valve of the circulating system is closed, a discharge valve on a discharge pipe is opened, and liquid in the digestion chamber is discharged; after the process is finished, a second water inlet valve of the circulating system is opened, an external water source enters the liquid pumping pipe and is pumped to a material inlet of the squeezing mechanism to clean the interior of the squeezing mechanism, after the interior is cleaned, the first water inlet valve is opened, the external water source with pressure in the water inlet pipe is communicated to the spray pipe, and the spray pipe above the squeezing cage cleans the exterior of the squeezing cage.
Compared with the prior art, the invention has the beneficial effects that:
1. the technical scheme of the invention can comprehensively utilize the time inside and outside three meals, and fully and effectively treat the garbage. Aiming at the contradiction between the treatment time and the treatment amount of the kitchen waste caused by the fact that the generation time of the kitchen waste is concentrated in the three-meal time, the invention provides a ruminant-type kitchen waste treatment device and method by using the animal rumination digestion mechanism, not only can the waste be normally treated in the three-meal time, but also more importantly, the other time outside the three meals can be fully utilized, the process similar to animal rumination can be realized by the combined action of the device and microorganisms and the structures such as a circulating system, and the formed slurry in the treatment process can be fully decomposed to realize the standard-reaching discharge.
2. The technical scheme of the invention can not influence the recovery of oil while rapidly decomposing the garbage. In the kitchen waste treatment process, microorganisms and enzymes are required to rapidly decompose all components of the kitchen waste, and oil is required to be recycled. Aiming at the contradiction between reduction and resource utilization, the circulating system, the convergence solid discharging mechanism and the spiral squeezing mechanism are matched for use, so that not only can solid-liquid separation of kitchen waste be realized, but also quick digestion and discharge of residual liquid can be realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the apparatus;
FIG. 2 is a first cross-sectional view of the device;
FIG. 3 is a second cross-sectional view of the device;
FIG. 4 is a third cross-sectional view of the device;
fig. 5 is an exploded view of the convergence port.
Detailed Description
As shown in fig. 1 and 2, the ruminant kitchen waste treatment device adopts the following technical scheme: the system comprises a circulating system 02, a spiral squeezing mechanism 03, a convergence solid discharging mechanism 04, a slurry separating mechanism 06, an oil-water precipitation mechanism 07 and a digestion mechanism 09; the rear portion of the spiral squeezing mechanism 03 is connected with the convergence draining and fixing mechanism 04, the lower portion of the spiral squeezing mechanism 03 is connected with the slurry separating mechanism 06, the slurry separating mechanism 06 is connected with the oil-water precipitation mechanism 07, the slurry separating mechanism 06 and the oil-water precipitation mechanism 07 are connected with the digestion mechanism 09, the circulating system 02 is respectively connected with the spiral squeezing mechanism 03 and the digestion mechanism 09, and the spiral squeezing mechanism 03 comprises a squeezing cage 033.
The technical scheme of the invention also comprises the following auxiliary schemes:
as shown in FIG. 3, the circulation system 02 includes a first inlet valve 029, a second inlet valve 021, a pump 022, a liquid pumping pipe 023, a liquid outlet valve 024, a return pipe 025, a return valve 026, a discharge valve 027, a discharge pipe 028, and a water inlet pipe 020.
As shown in fig. 4, the screw press 03 further includes a screw shaft 031, a press screw 032, and a spray pipe 034. A pressing screw 032 is arranged on the circumference of the screw shaft 031 for pressing, and a spray pipe 034 is arranged above the pressing cage 033 for cleaning the outside of the pressing cage 033.
As shown in fig. 5, the convergent discharging and fixing mechanism 04 includes a convergent stator 041, a convergent rotor 042, a driving gear 043, and a solid material outlet 049, the convergent stator 041 and the convergent rotor 042 are respectively provided with a convergent stator discharge port 046 and a convergent rotor discharge port 047, one side of the convergent stator 041 is provided with the solid material outlet 049, the driving gear 043 can change the relative position between the convergent stator discharge port 046 and the convergent rotor discharge port 047 to control the discharge port of the screw press mechanism, and the convergent discharging and fixing mechanism 04 is connected to the tail of the discharge of the press cage 033.
The slurry separation mechanism 06 comprises a filter screen 066, an oil guide groove 061, an oil guide pipe 062, a slurry chamber 063, a slurry discharge pipe 064 and a slurry discharge valve 065, wherein the slurry chamber 063 is arranged below the squeeze cage 033.
The oil-water precipitation mechanism 07 comprises an oil-water precipitation chamber 0700, an oil storage chamber 071, a floating oil pipe 072, an oil-water chamber water outlet pipe 073 and an oil-water valve 074.
The digestion mechanism 09 comprises a digestion chamber 091 and a stirring frame 092, wherein the top of the digestion chamber 091 is provided with a microorganism feeding port, and the middle lower part of the inner cavity of the digestion chamber 091 is provided with the stirring frame 092.
The structure of the device is further described below: the crushing mechanism 011 is arranged at the top of the whole device, the spiral squeezing mechanism 03 is arranged below the crushing mechanism 011, a discharge port of the crushing mechanism 011 corresponds to a feed inlet of the spiral squeezing mechanism 03, the motor 01 is arranged at one end of a screw shaft 031, a squeezing screw 032 is arranged on the circumference of the screw shaft 031 and used for squeezing, a spray pipe 034 is arranged above a squeezing cage 033 and used for cleaning the outside of the squeezing cage 033, the tail part of the material discharged from the squeezing cage 033 is provided with a convergence discharging mechanism 04, a convergence port stator 041 of the convergence discharging mechanism 04 is arranged on the screw shaft 031 through a central shaft hole 043, a convergence port rotor 042 is arranged on the rotor shaft 044 through a central rotor shaft hole 045, a rotor discharge port 047 is arranged on the convergence port rotor 042, a stator discharge port 046 is arranged on the cross section of the convergence port stator 041, gear teeth 048 are arranged on the circumference and meshed with a drive gear 043, and a solid material outlet 04.
A slurry separation mechanism 06 is arranged below the squeezing cage 033, a slurry chamber 063 of the separation mechanism 06 is arranged under the squeezing cage 033, filter screens 066 are arranged on the upper portions of the two sides of the slurry chamber 063, a groove-shaped oil guide groove 061 is arranged on the outer side of the filter screens 066, an oil guide pipe 062 is arranged at the bottom of the oil guide groove 061, a pipeline of the oil guide pipe 062 is communicated with the inside of the oil-water precipitation chamber 0700, a slurry discharge pipe 064 is arranged at the bottom of the slurry chamber 063, a slurry discharge valve 065 is arranged on the pipeline of the slurry discharge pipe 064, and the other end of the slurry discharge pipe 064 is communicated with the digestion chamber 091.
An oil-water precipitation chamber 0700 is arranged below the slurry separation mechanism 06, an oil-water chamber water outlet pipe 073 is arranged at the bottom of the oil-water precipitation chamber 0700, an oil-water valve 074 is arranged on a pipeline of the oil-water chamber water outlet pipe 073, the other end of the oil-water chamber water outlet pipe 073 is communicated with the digestion chamber 091, a floating oil pipe 072 is arranged at the top of the oil-water precipitation chamber 0700, and the other end of the floating oil pipe 072 is communicated with an oil storage chamber 071.
The one end of circulating system 02's inlet tube 020 is connected and is pressed the external water source, and the other end leads to shower 034 through first water intaking valve 029 respectively, through second water intaking valve 021 to liquid suction pipe 023, is equipped with out liquid valve 024 between liquid suction pipe 023 and the room 091 of clearing up, the entry of one end intercommunication pump 022 of liquid suction pipe 023, the export intercommunication back flow 025 of pump 022, be equipped with backward flow valve 026 on the back flow 025, the one end intercommunication back flow 025 and the other end of delivery pipe 028 are opened, be equipped with discharge valve 027 on the delivery pipe 028.
A ruminant kitchen waste disposal method is characterized in that the working processes of a ruminant kitchen waste disposal device in a kitchen waste feeding period and a kitchen waste non-feeding period are different, and kitchen waste which is fed in real time is disposed in the kitchen waste feeding period; and in the non-feeding period of the kitchen waste, on the basis of adding microorganisms and enzymes into the digestion mechanism 09, carrying out reverse circulation treatment on the kitchen waste remained in the digestion mechanism 09, or cleaning the interior of the squeezing mechanism by using external liquid.
The invention realizes the process similar to animal rumination by fully utilizing other time except three meals through the combined action of the device and the microorganism while giving consideration to the implementation of garbage treatment in three meals, and realizes the discharge after reaching the standard by decomposing slurry formed in the treatment process.
A rumination type kitchen waste treatment method further comprises the following specific processes:
1) feeding period of kitchen waste
The kitchen waste falls to the feed inlet of the spiral squeezing mechanism 03 after being crushed by the crushing mechanism 011, the motor 01 drives the screw shaft 031 and the squeezing screw 032 to squeeze the kitchen waste, the slurry in the squeezing process falls into the slurry separating mechanism 06 below through the squeezing cage 033, and the solid matters which cannot penetrate through the squeezing cage 033 are discharged through the convergence discharging mechanism 04 at the tail of the squeezing mechanism 03.
The overlapping amount of a rotor discharge port 047 and a stator discharge port 046 of the convergence discharge fixing mechanism 04 determines the size of an outlet, so that the squeezing degree of the kitchen waste by the squeezing mechanism 03 is determined, and when the size of a convergence opening needs to be adjusted, the driving gear 043 drives gear teeth 048 on the circumference of the stator 041 of the convergence opening to rotate.
The kitchen waste slurry falling into the slurry chamber 063 is precipitated, wherein an oil-water mixture with lower density is filtered by the filter screens 066 at the upper parts of the two sides of the slurry chamber 063, then falls into the groove-shaped oil guide groove 061 at the outer side of the filter screens 066, and further flows into the oil-water precipitation chamber 070 through the oil guide pipe 062 at the bottom of the oil guide groove 061, fine particles precipitated at the bottom of the slurry chamber 063 are discharged into the digestion chamber 091 through the slurry discharge pipe 064, the slurry discharge valve 065 on the pipeline of the slurry discharge pipe 064 is closed in the process of gradual accumulation of the slurry, the slurry is opened after reaching a certain height and precipitating for a certain time, and the slurry discharge valve 065 is closed after the slurry chamber 063 is emptied to wait for the next cycle.
The oil in the oil-water precipitation chamber 070 is on the upper layer and the water is on the lower layer, after the liquid state in the oil-water precipitation chamber 070 reaches a certain height, the oil on the upper layer flows to the oil storage chamber 071 through the oil floating pipe 072 on the upper part of the oil-water precipitation chamber 070, the water on the lower part flows to the digestion chamber 091 through the oil-water chamber water outlet pipe 073 at the bottom of the oil-water precipitation chamber 070, the oil-water valve 074 on the pipeline of the oil-water chamber water outlet pipe 073 is closed in the process of gradually accumulating the liquid, the liquid is opened after reaching a certain height, and the oil-water chamber water outlet pipe 073 is closed.
2) Non-feeding period of kitchen waste
As new kitchen waste is not added in the device at the non-feeding period, the driving gear 043 drives the gear teeth 048 on the circumference of the convergent port stator 041 to rotate, the discharge port of the screw pressing mechanism 03 is sealed by the discharge port 047 of the rotor and the discharge port 046 of the stator of the convergent discharging and fixing mechanism 04, and a certain amount of microorganisms and enzymes are fed into the digestion chamber 091 from the microorganism feeding port 093 at the top of the digestion chamber 091.
A liquid outlet valve 024 and a reflux valve 026 of the circulating system 02 are opened, kitchen waste slurry with microorganisms and enzymes in a digestion chamber 091 enters a feeding port of a squeezing mechanism 03 through a pump 022 and a reflux pipe 025, then is squeezed and stirred by the squeezing mechanism 03 and falls into a slurry chamber 063 below through a squeezing cage 033, a slurry discharge valve 065 on a pipeline of a slurry discharge pipe 064 is opened, the slurry in the slurry chamber 063 can freely enter the digestion chamber 091 through the slurry discharge pipe 064, and is pumped out by the pump 022 to enter the next circulation after being stirred by a stirring frame 092 arranged at the middle lower part of an inner cavity of the digestion chamber 091.
And when the kitchen waste slurry reaches the discharge requirement after being decomposed, closing a reflux valve 026 of the circulating system 02, opening a discharge valve 027 on a discharge pipe 028, and discharging the liquid in the digestion chamber 091.
After the above process is completed, the second water inlet valve 021 of the circulating system 02 is opened, an external water source enters the liquid pumping pipe 023 and is conveyed to a material inlet of the squeezing mechanism 03 through the pump 022 to clean the inside of the squeezing mechanism, after the inside is cleaned, the first water inlet valve 029 is opened, the external water source is pressed in the water inlet pipe 020 and is communicated to the spray pipe 034, and the spray pipe 034 above the squeezing cage 033 cleans the outside of the squeezing cage 033.
Aiming at the existing contradiction between reduction and resource utilization of the kitchen waste, the circulating system, the convergence solid discharging mechanism and the spiral squeezing mechanism are matched for use, so that not only can solid-liquid separation of the kitchen waste be realized, but also quick digestion and discharge of residual liquid can be realized. Therefore, the invention can effectively solve the existing problems of kitchen waste treatment and promote the progress of the waste treatment technology.

Claims (10)

1. A rumination type kitchen waste treatment device is characterized by comprising a circulating system, a spiral squeezing mechanism, a convergence solid discharging mechanism, a slurry separating mechanism, an oil-water precipitation mechanism and a digestion mechanism; the rear part of the spiral squeezing mechanism is connected with the convergence discharging mechanism, the lower part of the spiral squeezing mechanism is connected with the slurry separating mechanism, the slurry separating mechanism is connected with the oil-water precipitation mechanism, the slurry separating mechanism and the oil-water precipitation mechanism are both connected with the digestion mechanism, the circulating system is respectively connected with the spiral squeezing mechanism and the digestion mechanism, and the spiral squeezing mechanism comprises a squeezing cage.
2. The ruminal kitchen waste treatment device according to claim 1, wherein the circulating system comprises a first water inlet valve, a second water inlet valve, a pump, a liquid pumping pipe, a liquid outlet valve, a return pipe, a return valve, a discharge pipe and a water inlet pipe.
3. The ruminal kitchen waste treatment device according to claim 1, wherein the screw press mechanism further comprises a screw shaft, a pressing screw and a spray pipe.
4. A ruminal kitchen waste treatment device according to claim 3, wherein a squeezer is arranged on the circumference of the screw shaft for squeezing, and a spray pipe is arranged above the squeezing cage for cleaning the outside of the squeezing cage.
5. A rumination type kitchen waste treatment device as claimed in claim 1, wherein said convergence discharging mechanism comprises a convergence stator, a convergence rotor, a driving gear and a solid material outlet, said convergence stator and said convergence rotor are respectively provided with a convergence stator discharge port and a convergence rotor discharge port, one side of said convergence stator is provided with a solid material outlet, said driving gear can change the relative position between said convergence stator discharge port and said convergence rotor discharge port to control the discharge port of said screw press mechanism, and said convergence discharging mechanism is connected with the tail of said press cage.
6. The ruminal kitchen waste treatment device according to claim 1, wherein the slurry separation mechanism comprises a filter screen, an oil guide groove, an oil guide pipe, a slurry chamber, a slurry discharge pipe and a slurry discharge valve, and the slurry chamber is arranged below the press cage.
7. The rumination type kitchen waste treatment device of claim 1, wherein the oil-water precipitation mechanism comprises an oil-water precipitation chamber, an oil storage chamber, an oil floating pipe, an oil-water chamber water outlet pipe and an oil-water valve.
8. The ruminant kitchen waste treatment device as claimed in claim 1, wherein the digestion mechanism comprises a digestion chamber and a stirring frame, the top of the digestion chamber is provided with a microorganism feeding port, and the middle lower part of the inner cavity of the digestion chamber is provided with the stirring frame.
9. A ruminant kitchen waste treatment method is characterized in that the working process of a ruminant kitchen waste treatment device is different between a kitchen waste feeding period and a kitchen waste non-feeding period, and kitchen waste which is fed in real time is treated in the kitchen waste feeding period; and in the non-feeding period of the kitchen waste, on the basis of adding microorganisms and enzymes into the digestion mechanism, carrying out reverse circulation treatment on the kitchen waste remained in the digestion mechanism, or cleaning the interior of the squeezing mechanism by using external liquid.
10. The ruminal kitchen waste treatment method according to claim 9, further comprising the following specific process:
(1) the kitchen waste feeding period is as follows: the kitchen waste is crushed by the crushing mechanism and then falls to a feed inlet of the spiral squeezing mechanism, the motor drives the screw shaft and the squeezing screw to squeeze the kitchen waste, slurry in the squeezing process falls into the lower slurry separation mechanism through the squeezing cage, and solid matters which cannot penetrate through the squeezing cage are discharged through the convergent discharging mechanism at the tail of the squeezing mechanism; the overlapping amount of a rotor discharge port and a stator discharge port of the convergence discharge mechanism is adjusted to determine the squeezing degree of the kitchen waste by the squeezing mechanism; precipitating kitchen waste slurry falling into the slurry chamber, wherein an oil-water mixture with lower density falls into a groove-shaped oil guide groove outside the filter screens after being filtered by the filter screens at the upper parts of the two sides of the slurry chamber, and then flows into the oil-water precipitation chamber through an oil guide pipe at the bottom of the oil guide groove, fine particles precipitated at the bottom of the slurry chamber are discharged into the digestion chamber through a slurry discharge pipe, a slurry discharge valve on a pipeline of the slurry discharge pipe is closed in the process of gradually accumulating the slurry, the slurry is opened after reaching a certain height and precipitating for a certain time, and the slurry discharge valve is closed after the slurry chamber is emptied to wait for the next cycle; the oil in the oil-water precipitation chamber is on the upper layer and the water is on the lower layer, after the liquid state in the oil-water precipitation chamber reaches a certain height, the oil on the upper layer flows to the oil storage chamber through the oil floating pipe on the upper part of the oil-water precipitation chamber, the water on the lower part flows to the digestion chamber through the oil-water chamber water outlet pipe on the bottom of the oil-water precipitation chamber, an oil-water valve on a pipeline of the oil-water chamber water outlet pipe is closed in the process of gradually accumulating the liquid, the oil-water valve is opened after the liquid reaches a certain height, and the oil;
(2) the kitchen waste non-feeding period is as follows: the discharge port of the screw squeezing mechanism is closed by adjusting the discharge port of the rotor and the discharge port of the stator of the convergence and solid discharge mechanism, and a certain amount of microorganisms and enzymes are put into the digestion chamber from a microorganism feed inlet at the top of the digestion chamber; a liquid outlet valve and a reflux valve of the circulating system are opened, kitchen waste slurry with microorganisms and enzymes in the digestion chamber enters a material inlet of the squeezing mechanism through a pump and a reflux pipe, then is squeezed and stirred by the squeezing mechanism and falls into a slurry chamber below through a squeezing cage, a slurry discharging valve on a pipeline of a slurry discharging pipe is opened, slurry in the slurry chamber can freely enter the digestion chamber through the slurry discharging pipe, and the slurry is pumped out to enter the next circulation after being stirred by a stirring frame at the middle lower part of an inner cavity of the digestion chamber; when the kitchen waste slurry is decomposed and meets the discharge requirement, a reflux valve of the circulating system is closed, a discharge valve on a discharge pipe is opened, and liquid in the digestion chamber is discharged; after the process is finished, a second water inlet valve of the circulating system is opened, an external water source enters the liquid pumping pipe and is pumped to a material inlet of the squeezing mechanism to clean the interior of the squeezing mechanism, after the interior is cleaned, the first water inlet valve is opened, the external water source with pressure in the water inlet pipe is communicated to the spray pipe, and the spray pipe above the squeezing cage cleans the exterior of the squeezing cage.
CN202010631849.4A 2020-07-02 2020-07-02 Ruminant type kitchen waste treatment device and method Active CN111922028B (en)

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CN112776402A (en) * 2021-02-02 2021-05-11 杭州楠大环保科技有限公司 Garbage grease separation device and garbage disposal device with same
CN114273394A (en) * 2021-11-30 2022-04-05 中船重工环境工程有限公司 Multifunctional kitchen and kitchen waste treatment device

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CN112776402A (en) * 2021-02-02 2021-05-11 杭州楠大环保科技有限公司 Garbage grease separation device and garbage disposal device with same
CN112776402B (en) * 2021-02-02 2022-08-23 杭州楠大环保科技有限公司 Garbage grease separation device and garbage disposal device with same
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CN114273394B (en) * 2021-11-30 2022-12-06 中船重工环境工程有限公司 Multifunctional kitchen and kitchen waste treatment device

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