CN113026876B - Domestic sewage treatment method and device - Google Patents
Domestic sewage treatment method and device Download PDFInfo
- Publication number
- CN113026876B CN113026876B CN202110271763.XA CN202110271763A CN113026876B CN 113026876 B CN113026876 B CN 113026876B CN 202110271763 A CN202110271763 A CN 202110271763A CN 113026876 B CN113026876 B CN 113026876B
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- knife
- grinding cylinder
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- 239000010865 sewage Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 7
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 92
- 206010006514 bruxism Diseases 0.000 claims abstract description 15
- 238000007790 scraping Methods 0.000 claims description 19
- 239000012535 impurity Substances 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims 4
- 125000006850 spacer group Chemical group 0.000 description 10
- 238000009434 installation Methods 0.000 description 4
- 235000013311 vegetables Nutrition 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000010794 food waste Substances 0.000 description 2
- 235000021190 leftovers Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/26—Object-catching inserts or similar devices for waste pipes or outlets
- E03C1/266—Arrangement of disintegrating apparatus in waste pipes or outlets; Disintegrating apparatus specially adapted for installation in waste pipes or outlets
- E03C1/2665—Disintegrating apparatus specially adapted for installation in waste pipes or outlets
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/26—Object-catching inserts or similar devices for waste pipes or outlets
- E03C1/264—Separate sieves or similar object-catching inserts
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sink And Installation For Waste Water (AREA)
- Crushing And Pulverization Processes (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a household sewage treatment device which comprises a grinding device, a collecting device and a cutting device. The grinding device has a grinding disc and a grinding cylinder. The inner wall of the grinding cylinder is provided with a plurality of guide grooves. The grinding disc is arranged at the lower part of the inner side of the grinding cylinder, and the collecting groove is arranged in the shell and is positioned at the outer side of the grinding cylinder. The cutting device includes a cutting shaft and a plurality of cutting blade sets. Comprises a cutting stationary knife and two cutting rotary knives. The cutting stationary knife is connected with a torsion spring which prevents the cutting stationary knife from rotating. The outer end of each cutting blade is inserted into one of the guide grooves. According to the household sewage treatment method and the household sewage treatment device, the cutting fixed knife is matched with the cutting rotary knife, so that the crushing efficiency is improved. The garbage with the hardness larger than the preset value is cut once and then pushed onto the grinding teeth, and the garbage with the hardness larger than the preset value and the volume larger than the preset value is automatically sorted through the combined clamping effect of the cutting blades.
Description
Technical Field
The invention relates to the field of sewage treatment equipment, in particular to a household sewage treatment method and a device thereof.
Background
In daily life wash dish leaf or tableware etc. can produce a large amount of sewage, contain leftover in these sewage, if pour it into the sewer directly, can cause sewer to block up, and if drag for the rubbish in the sewage between flowing into sewer and bring unnecessary trouble for people's life, even drag for bigger rubbish in the sewage and carry out shredding, shredding device also can cause the card machine because rubbish hardness is too high, can't select suitable crushing mode according to the hardness of rubbish, and is low to the crushing efficiency of the flexible impurity of hardness less than the default, influence the use experience.
Disclosure of Invention
The invention provides a household sewage treatment device which is arranged at a water outlet of a household kitchen vegetable basin and can conveniently grind solid impurities such as vegetable heads, vegetable tails, leftovers and the like in household sewage into fine particles and discharge the fine particles along a water flow discharge pipeline. The cleaning appliance is arranged at the lower part of a kitchen sink and connected with a drain pipe, is a cleaning appliance which is used for grinding and crushing food residues to powder or small particles by a high-speed motor driving part and is naturally discharged along with a water flow sewer, can effectively treat various domestic sewage and impurities in an instant, convenient and quick manner, and effectively prevents the blockage of the sink. And can select suitable crushing mode according to the hardness of rubbish, it is high to the crushing efficiency of the flexible impurity that hardness is less than the default.
The invention relates to a household sewage treatment device which adopts the following technical scheme: a domestic sewage treatment device comprises a shell, a grinding device, a collecting device and a cutting device. The grinding device has a grinding disc and a grinding cylinder. The grinding cylinder is vertically arranged in the shell, and a plurality of guide grooves are arranged on the inner wall of the grinding cylinder. The grinding disc is arranged at the lower part of the inner side of the grinding cylinder and is used for grinding garbage entering between the grinding disc and the grinding cylinder. The grinding disc is uniformly provided with a plurality of filtering holes along the circumferential direction. The collecting device is arranged in the shell and is positioned outside the grinding cylinder. The cutting device includes a cutting shaft and a plurality of cutting blade sets. Each cutting knife group is positioned in the grinding cylinder and above the grinding disc and comprises a cutting fixed knife and two cutting rotary knives. The two cutting rotary cutters are arc-shaped and are arranged at intervals along the up-down direction, and the inner ends of the two cutting rotary cutters are respectively arranged on the cutting shaft. The cutting stationary knife is arc-shaped, the inner end of the cutting stationary knife is arranged on the cutting shaft, the inner end of the cutting stationary knife is positioned between the inner ends of the two cutting rotary knives, and the cutting stationary knife is connected with a torsion spring which can prevent the cutting stationary knife from rotating. The outer end of each cutting blade is inserted into one of the guide grooves.
The cutting rotary knife rotates relative to the cutting fixed knife so as to cut garbage, when the hardness of the garbage is larger than a preset hardness value and the garbage is located between the cutting fixed knife and the cutting rotary knife, the garbage is driven to move to the outer ends of the cutting rotary knife and the cutting fixed knife, when the volume of the garbage is smaller than a preset volume value, the garbage falls into the space between the grinding disc and the grinding cylinder, and when the volume of the garbage is larger than the preset volume value, the cutting rotary knife drives the cutting fixed knife to rotate through the garbage to overcome the blocking force of the torsion spring, and the guide groove drives the cutting fixed knife, the cutting shaft, the cutting rotary knife and the garbage to rotate and move upwards, so that the garbage enters the collecting device through the upper end of the grinding cylinder.
Further, the guide groove comprises a horizontal chute, an inclined chute and an extension groove section, wherein the horizontal chute is arranged on the inner wall of the grinding cylinder along the circumferential direction, the inclined chute extends to the upper end of the grinding cylinder from the tail end of the horizontal chute in an upward inclined manner, the extension groove section is arranged at the upper end of the inclined chute and is identical to the inclined chute in inclination degree, and the outer end of each cutting stationary knife is inserted into one horizontal chute.
Further, the cutting device also comprises a supporting frame, a sleeve ring and a connecting frame. The support frame fixed mounting is in the casing, cup joints the ring and rotationally installs in the lower extreme of support frame, and the link is movably installed in cup joints the ring from top to bottom, and is in the downside of support frame. The upper surface of the cutting stationary knife is arranged on the connecting frame. The torsional spring is arranged between the sleeve ring and the connecting frame.
Further, the cutting edges of the two cutting rotary knives and the cutting stationary knives are arranged oppositely. And the cutting edge of the cutting stationary knife is arranged on the arc-shaped convex surface of the cutting stationary knife, and the cutting edges of the two cutting rotary knives are arranged on the arc-shaped convex surfaces of the cutting rotary knives.
Further, a plurality of grinding teeth are distributed on the lower end of the grinding cylinder in an array mode along the circumferential direction. The grinding disc comprises a grinding disc body and grinding teeth. The grinding teeth are arranged on the circumferential wall surface of the grinding disc body and distributed along the circumferential array of the grinding disc body. Every two adjacent grinding teeth are arranged at intervals to define secondary filter holes.
Further, the cutting device further comprises a spindle. The rotating shaft is sleeved on the cutting shaft, the cutting shaft can be installed on the rotating shaft in a vertically movable mode and rotate along with the rotating shaft, and the grinding disc is fixedly installed on the rotating shaft or is arranged on the cutting shaft in a vertically movable mode relative to the cutting shaft.
Further, a garbage collection cavity is arranged in the shell, the garbage collection cavity is arranged below the grinding disc, a scraping device is arranged in the garbage collection cavity and comprises a scraping plate and a scraping support, one end of the scraping support is arranged on the rotating shaft, the other end of the scraping support is arranged on the upper end of the scraping plate, and the lower end of the scraping plate is in contact with the bottom surface of the garbage collection cavity.
Further, the collecting device comprises a hard object receiving cavity and a hard object collecting cavity, wherein the hard object receiving cavity is arranged on the outer side of the grinding cylinder, and the lowest part of the hard object receiving cavity is communicated with the hard object collecting cavity so that the hard object finally enters the hard object collecting cavity after sliding down along the hard object receiving cavity, and the hard object collecting cavity is configured to take out the hard object.
Further, the bottom surface of the hard object receiving cavity is provided as a spiral surface extending spirally from a high position to a low position.
The household sewage treatment method provided by the invention comprises the following steps:
sewage and impurities enter the hard object receiving cavity through the water tank, the rotating shaft is driven by the motor to rotate, and the rotating shaft drives the cutting rotary knife to rotate relative to the cutting fixed knife.
When the garbage with the hardness smaller than the preset hardness value is positioned between the cutting fixed cutter and the cutting rotary cutter, the garbage is cut, and the cut impurities enter the lower side of the grinding disc through the filtering holes.
And when the garbage with the hardness larger than the preset hardness value is positioned between the cutting fixed cutter and the cutting rotary cutter, the garbage is promoted to move to the outer ends of the cutting rotary cutter and the cutting fixed cutter.
When the garbage with the volume smaller than the preset volume value is positioned or conveyed to the outer ends of the cutting rotary knife and the cutting fixed knife, the garbage falls into the space between the grinding disc and the grinding cylinder to be ground and then enters the lower side of the grinding disc.
When the garbage with the hardness being larger than the preset hardness value and the volume being larger than the preset volume value is conveyed to the outer ends of the cutting rotary knife and the cutting fixed knife, the cutting rotary knife drives the cutting fixed knife to rotate through the garbage to overcome the blocking force of the torsion spring, and the guide groove drives the cutting fixed knife, the cutting shaft, the cutting rotary knife and the garbage to rotate and move upwards, so that the garbage enters the collecting device through the upper end of the grinding cylinder.
The beneficial effects of the invention are as follows: 1. according to the household sewage treatment device, the cutting fixed knife is matched with the cutting rotary knife, and the flexible impurities with the hardness smaller than the preset hardness value in the food waste are sheared in a shearing mode, so that the crushing efficiency of the flexible impurities is improved. Because of the arc design of the cutting knife, the garbage with smaller hardness is directly cut into pieces, and when the garbage with hardness larger than the preset hardness value is positioned between the cutting fixed knife and the cutting rotary knife, the garbage is promoted to move to the outer ends of the cutting rotary knife and the cutting fixed knife, and is jointly ground and crushed with the grinding teeth, so that the garbage grinding machine is suitable for the hardness of the garbage and selects a proper crushing mode. The design adopted by the invention can clamp the garbage with hardness larger than a preset hardness value and volume larger than a preset volume value mixed in the food garbage to the hard object receiving cavity through the combined clamping action of the cutting knife, so that the garbage with too high hardness can be automatically sorted out, and the phenomenon of hard object clamping in the machine operation engineering is prevented.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic overall structure of an embodiment of a domestic sewage treatment apparatus according to the present invention.
Fig. 2 is a schematic view showing a semi-sectional view of an internal structure of an embodiment of a domestic sewage treatment apparatus according to the present invention.
Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
Fig. 4 is a schematic front view showing a semi-sectional view of an internal structure of an embodiment of a domestic sewage treatment apparatus of the present invention.
Fig. 5 is a schematic view showing an internal structure of an embodiment of a domestic sewage treatment apparatus of the present invention.
Fig. 6 is an exploded view schematically showing the internal structure of an embodiment of a domestic sewage treatment apparatus according to the present invention.
Fig. 7 is a partial structural view showing an internal structure of an embodiment of a domestic sewage treatment apparatus according to the present invention.
In the figure: 110. a garbage collection chamber; 111. an upper cavity flange; 112. an upper cavity mounting hole; 113. blanking partition columns; 114. a fixed cutter support column; 1141. sleeving a sliding key of the ring; 115. a hard object receiving cavity; 12. a motor mounting cavity; 13. a discharge pipe; 14. a hard matter collection chamber; 21. a grinding cylinder; 211. a horizontal chute; 212. an inclined chute; 210. an extension trough section; 213. grinding the teeth; 22. a grinding disc; 221. grinding teeth; 222. a filter hole; 23. a motor; 231. a rotating shaft; 232. a motor mounting flange; 233. a seal ring; 234. a scraping plate; 235. a scraping bracket; 24. cutting rotary cutter; 241. cutting a shaft; 25. cutting and fixing a cutter; 251. a connecting frame; 252. a connecting ring; 253. a fixed cutter sliding block; 26. a sleeve joint ring; 261. sleeving the ring chute.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An embodiment of a domestic sewage treatment apparatus of the present invention, as shown in fig. 1 to 7,
A domestic sewage treatment device comprises a shell, a grinding device, a collecting device and a cutting device, wherein the grinding device is provided with a grinding disc and a grinding cylinder. The grinding cylinder is vertically arranged in the shell, and a plurality of guide grooves are arranged on the inner wall of the grinding cylinder. The grinding disc is arranged at the lower part of the inner side of the grinding cylinder and is used for grinding garbage entering between the grinding disc and the grinding cylinder. The abrasive disk has a plurality of filter holes 222 uniformly arrayed in the circumferential direction. The collecting device is arranged in the shell and is positioned outside the grinding cylinder. The cutting device includes a cutting shaft 241 and a plurality of cutting blade sets. Each cutting blade set is located in the grinding drum and above the grinding disc, comprising one cutting stator 25 and two cutting rotor blades 24. The two cutting rotary cutters 24 are arc-shaped and are arranged at intervals along the up-down direction, and the inner ends of the two cutting rotary cutters 24 are respectively arranged on the cutting shaft 241. The cutting stationary knife 25 is arc-shaped, the inner end of the cutting stationary knife 25 is arranged on the cutting shaft 241, the inner end of the cutting stationary knife 25 is positioned between the inner ends of the two cutting rotary knives 24, and the cutting stationary knife 25 is connected with a torsion spring which prevents the cutting stationary knife 25 from rotating. The outer end of each cutting blade 25 is inserted into one of the guide grooves. The cutting rotary cutter 24 rotates relative to the cutting fixed cutter 25 to cut the garbage, when the hardness of the garbage is larger than a preset hardness value and is positioned between the cutting fixed cutter 25 and the cutting rotary cutter 24, the garbage is caused to move to the outer ends of the cutting rotary cutter 24 and the cutting fixed cutter 25, when the volume of the garbage is smaller than a preset volume value, the garbage falls between the grinding disc and the grinding cylinder, when the volume of the garbage is larger than the preset volume value, the cutting rotary cutter 24 drives the cutting fixed cutter 25 to rotate through the garbage to overcome the blocking force of the torsion spring, and the guide groove causes the cutting fixed cutter 25, the cutting shaft 241, the cutting rotary cutter 24 and the garbage to rotate and move upwards, so that the garbage enters the collecting device through the upper end of the grinding cylinder.
In the present embodiment, the guiding groove includes a horizontal sliding groove 211, an inclined sliding groove 212 and an extending groove section 210, the horizontal sliding groove 211 is disposed on the inner wall of the grinding cylinder along the circumferential direction, the inclined sliding groove 212 extends from the end of the horizontal sliding groove 211 to the upper end of the grinding cylinder in an upward inclined manner, the extending groove section 210 is disposed on the upper end of the inclined sliding groove 212, and the outer end of each cutting blade 25 is inserted into one horizontal sliding groove 211 with the same inclination degree as the inclined sliding groove 212. Specifically, a fixed cutter slider 253 is disposed at the outer end of the cutting fixed cutter 25, and the fixed cutter slider 253 is mounted at the starting end of the horizontal chute 211. An upper cavity flange 111 is arranged at the upper end of the shell, and an upper cavity mounting hole 112 is formed in the upper cavity flange 111 and used for mounting the garbage disposer.
In this embodiment, the cutting device further comprises a support frame, a socket ring 26 and a connecting frame 251. The support frame fixed mounting is in the casing, and the cover ring 26 rotatably installs in the lower extreme of support frame, and the link 251 is movably installed in cover ring 26 about, and is in the downside of support frame. The upper surface of the cutting blade 25 is mounted to the holder 251. The torsion spring is mounted between the socket ring 26 and the connection frame 251. Specifically, the connection frame 251 includes radial struts and vertical struts disposed perpendicular to the outer ends of the radial struts and a connection ring 252 connecting the inner ends of each radial strut together, and the socket ring 26 is mounted to the connection ring 252. The torsion spring is mounted between the socket ring 26 and the connecting ring 252. The upper end of the sleeve ring 26 is provided with a sleeve ring sliding groove 261. The support frame includes the unloading spacer 113 that the level set up and installs in unloading spacer 113 lower extreme and perpendicular to unloading spacer 113's stationary knife pillar 114, unloading spacer 113 includes first spacer and second spacer, first spacer and second spacer alternately set up, and the intersection is installed in stationary knife pillar 114 upper end, first spacer and second spacer outer end are installed in shells inner wall, be provided with on the stationary knife pillar 114 and cup joint ring sliding key 1141, cup joint ring sliding key 1141 installs in cup joint ring chute 261, link 251 can install in stationary knife pillar 114 with sliding from top to bottom.
In the present embodiment, the cutting edges of the two cutting rotary blades 24 and the cutting stationary blade 25 are disposed opposite to each other. The cutting edge of the cutting stator 25 is disposed on the arc-shaped convex surface of the cutting stator 25, and the cutting edges of the two cutting rotary cutters 24 are disposed on the arc-shaped convex surfaces of the cutting rotary cutters 24. The garbage moves to the outer ends of the cutting rotary cutter 24 and the cutting stationary cutter 25, and then falls into between the grinding disc and the grinding cylinder.
In this embodiment, a plurality of grinding teeth 213 are distributed on the lower end of the grinding cylinder in the circumferential direction. The grinding disc includes a grinding disc body and grinding teeth 221. The grinding teeth 221 are disposed on the circumferential wall surface of the grinding disc body and distributed along the circumferential array of the grinding disc body. Every two adjacent grinding teeth 221 are spaced apart to define a secondary filter aperture.
In this embodiment, the cutting device further includes a rotation shaft 231. The rotating shaft 231 is sleeved on the cutting shaft 241, the cutting shaft 241 is vertically movably mounted on the rotating shaft 231 and rotates along with the rotating shaft 231, and the grinding disc is fixedly mounted on the rotating shaft 231 or is vertically movably mounted on the cutting shaft 241 relative to the cutting shaft 241.
In this embodiment, a garbage collection cavity 110 is disposed in the housing, the garbage collection cavity 110 is disposed below the grinding disc, a scraping device is disposed in the garbage collection cavity 110, the scraping device includes a scraping plate 234 and a scraping support 235, one end of the scraping support is mounted on the rotating shaft 231, the other end of the scraping support is mounted on the upper end of the scraping plate 234, and the lower end of the scraping plate 234 is in contact with the bottom surface of the garbage collection cavity 110. The driving device comprises a motor 23, a motor installation cavity 12 is arranged at the lower end of the garbage collection cavity 110, the motor 23 is positioned in the motor installation cavity 12, the motor 23 is installed on the bottom wall of the motor installation cavity 12 through a motor installation flange 232, when the motor 23 drives a rotating shaft 231 to rotate through a motor shaft, garbage filtered from a filtering hole 222 is collected, and the garbage is discharged from a discharge pipeline 13. The lower end of the garbage collection cavity 110 is obliquely arranged, so that garbage can be conveniently recycled. A sealing ring 233 is arranged between the garbage collection cavity 110 and the rotating shaft 231
In this embodiment, the collection means comprises a hard object receiving chamber 115 and a hard object collecting chamber 14, the bottom surface of the hard object receiving chamber 115 being configured as a helicoid extending helically from high to low. Causing the hard object to fall faster after entering the hard object receiving chamber 115. The hard object receiving cavity 115 is located outside the grinding drum, and the lowest part of the hard object receiving cavity 115 is communicated with the hard object collecting cavity 14, so that the hard object finally enters the hard object collecting cavity 14 after sliding down the hard object receiving cavity 115, and the hard object collecting cavity 14 is configured to take out the hard object. For example, the hard object can be directly taken out by being provided with a drawing structure or provided with an opening on the upper surface.
The household sewage treatment method provided by the invention comprises the following steps: the sewage and the impurities enter the hard object receiving cavity through the water tank, the rotating shaft is driven by the motor 23 to rotate, the rotating shaft 23 drives the cutting rotary knife 24 to rotate relative to the cutting fixed knife 25, when the garbage with the hardness smaller than the preset hardness value is positioned between the cutting fixed knife 25 and the cutting rotary knife 24, the garbage is cut, and the cut impurities enter the lower side of the grinding disc through the filtering holes 222. When the refuse having a hardness greater than the preset hardness value is located between the cutting stationary blade 25 and the cutting rotary blade 24, the refuse is caused to move to the outer ends of the cutting rotary blade 24 and the cutting stationary blade 25. When the garbage with the volume smaller than the preset volume value is positioned or conveyed to the outer ends of the cutting rotary knife 24 and the cutting fixed knife 25, the garbage falls between the grinding disc and the grinding cylinder to be ground and then enters the lower side of the grinding disc. When the garbage with the hardness being larger than the preset hardness value and the volume being larger than the preset volume value is conveyed to the outer ends of the cutting rotary cutter 24 and the cutting fixed cutter 25, the cutting rotary cutter 24 drives the cutting fixed cutter 25 to rotate through the garbage to overcome the blocking force of the torsion spring, and the guiding groove drives the cutting fixed cutter 25, the cutting shaft 241, the cutting rotary cutter 24 and the garbage to rotate and move upwards, so that the garbage enters the collecting device through the upper end of the grinding cylinder.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. The utility model provides a domestic sewage treatment device, includes casing, its characterized in that still includes:
A grinding device having a grinding disc and a grinding cylinder; the grinding cylinder is vertically arranged in the shell, and a plurality of guide grooves are formed in the inner wall of the grinding cylinder; the grinding disc is arranged at the lower part of the inner side of the grinding cylinder and is used for grinding the garbage entering between the grinding disc and the grinding cylinder; a plurality of filtering holes are uniformly arrayed on the grinding disc along the circumferential direction;
the collecting device is arranged in the shell and is positioned at the outer side of the grinding cylinder;
A cutting device including a cutting shaft and a plurality of cutting blade sets; each cutting knife group is positioned in the grinding cylinder and above the grinding disc and comprises a cutting fixed knife and two cutting rotary knives; the two cutting rotary cutters are arc-shaped and are arranged at intervals along the up-down direction, and the inner ends of the two cutting rotary cutters are respectively arranged on the cutting shaft; the cutting stationary knife is arc-shaped, the inner end of the cutting stationary knife is arranged on the cutting shaft, the inner end of the cutting stationary knife is positioned between the inner ends of the two cutting rotary knives, and the cutting stationary knife is connected with a torsion spring which prevents the cutting stationary knife from rotating; the outer end of each cutting stationary knife is inserted into one guide groove;
The cutting rotary knife rotates relative to the cutting fixed knife so as to cut garbage, when the hardness of the garbage is larger than a preset hardness value and the garbage is positioned between the cutting fixed knife and the cutting rotary knife, the garbage is driven to move to the outer ends of the cutting rotary knife and the cutting fixed knife, when the volume of the garbage is smaller than a preset volume value, the garbage falls between the grinding disc and the grinding cylinder, and when the volume of the garbage is larger than the preset volume value, the cutting rotary knife drives the cutting fixed knife to rotate by overcoming the blocking force of the torsion spring through the garbage, and the guide groove drives the cutting fixed knife, the cutting shaft, the cutting rotary knife and the garbage to rotate and move upwards, so that the garbage enters the collecting device through the upper end of the grinding cylinder;
The guide groove comprises a horizontal chute, an inclined chute and an extension groove section, the horizontal chute is arranged on the inner wall of the grinding cylinder along the circumferential direction, the inclined chute extends upwards from the tail end of the horizontal chute to the upper end of the grinding cylinder in an inclined manner, the extension groove section is arranged on the upper end of the inclined chute, the inclination degree of the extension groove section is the same as that of the inclined chute, and the outer end of each cutting stationary knife is inserted into one horizontal chute;
The cutting device also comprises a supporting frame, a sleeve ring and a connecting frame; the support frame is fixedly arranged on the shell, the sleeve joint ring is rotatably arranged at the lower end of the support frame, and the connecting frame is movably arranged on the sleeve joint ring up and down and is positioned at the lower side of the support frame; the upper surface of the cutting stationary knife is arranged on the connecting frame; the torsional spring is arranged between the sleeve ring and the connecting frame.
2. A domestic sewage treatment apparatus according to claim 1, wherein: the cutting edges of the two cutting rotary cutters and the cutting stationary cutter are arranged oppositely; and the cutting edge of the cutting stationary knife is arranged on the arc-shaped convex surface of the cutting stationary knife, and the cutting edges of the two cutting rotary knives are arranged on the arc-shaped convex surfaces of the cutting rotary knives.
3. A domestic sewage treatment apparatus according to claim 2, wherein: the lower end of the grinding cylinder is provided with a plurality of grinding teeth in an array mode along the circumferential direction; the grinding disc comprises a grinding disc body and grinding teeth; the grinding teeth are arranged on the circumferential wall surface of the grinding disc body and distributed along the circumferential array of the grinding disc body; every two adjacent grinding teeth are arranged at intervals to define secondary filter holes.
4. A domestic sewage treatment apparatus according to claim 3, wherein: the cutting device also comprises a rotating shaft; the rotating shaft is sleeved on the cutting shaft, the cutting shaft can be installed on the rotating shaft in a vertically movable mode and rotate along with the rotating shaft, and the grinding disc is fixedly installed on the rotating shaft or is arranged on the cutting shaft in a vertically movable mode relative to the cutting shaft.
5. The domestic sewage treatment apparatus according to claim 4, wherein: be provided with the refuse collection chamber in the casing, the refuse collection chamber sets up in the abrasive disc below, is provided with in the refuse collection chamber and scrapes the material device, scrapes the material device and includes scraping the flitch and scrapes the material support, scrapes material support one end and installs in the pivot, and the other end is installed in scraping the flitch upper end, scrapes the bottom surface in flitch lower extreme and refuse collection chamber and contacts.
6. A domestic sewage treatment apparatus according to claim 5, wherein: the collecting device comprises a hard object receiving cavity and a hard object collecting cavity, wherein the hard object receiving cavity is arranged on the outer side of the grinding cylinder, and the lowest part of the hard object receiving cavity is communicated with the hard object collecting cavity so that a hard object finally enters the hard object collecting cavity after sliding down along the hard object receiving cavity, and the hard object collecting cavity is configured to take out the hard object.
7. A domestic sewage treatment apparatus according to claim 6, wherein: the bottom surface of the hard object receiving cavity is provided as a spiral surface which extends from the high position to the low position in a spiral manner.
8. A treatment method of the domestic sewage treatment apparatus according to any one of claims 1 to 7, characterized in that:
Sewage and impurities enter the hard object receiving cavity through the water tank, the rotating shaft is driven by the motor to rotate, the rotating shaft drives the cutting rotary knife to rotate relative to the cutting fixed knife, and the cutting rotary knife rotates relative to the cutting fixed knife;
When the garbage with the hardness smaller than the preset hardness value is positioned between the cutting fixed cutter and the cutting rotary cutter, cutting the garbage, and enabling the cut impurities to enter the lower side of the grinding disc through the filtering holes;
When the garbage with the hardness larger than the preset hardness value is positioned between the cutting fixed cutter and the cutting rotary cutter, the garbage is promoted to move to the outer ends of the cutting rotary cutter and the cutting fixed cutter;
When the garbage with the volume smaller than the preset volume value is positioned or conveyed to the outer ends of the cutting rotary knife and the cutting fixed knife, the garbage falls between the grinding disc and the grinding cylinder to be ground and then enters the lower side of the grinding disc;
When the garbage with the hardness being larger than the preset hardness value and the volume being larger than the preset volume value is conveyed to the outer ends of the cutting rotary knife and the cutting fixed knife, the cutting rotary knife drives the cutting fixed knife to rotate through the garbage to overcome the blocking force of the torsion spring, and the guide groove drives the cutting fixed knife, the cutting shaft, the cutting rotary knife and the garbage to rotate and move upwards, so that the garbage enters the collecting device through the upper end of the grinding cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110271763.XA CN113026876B (en) | 2021-03-12 | 2021-03-12 | Domestic sewage treatment method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110271763.XA CN113026876B (en) | 2021-03-12 | 2021-03-12 | Domestic sewage treatment method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113026876A CN113026876A (en) | 2021-06-25 |
| CN113026876B true CN113026876B (en) | 2024-04-26 |
Family
ID=76470498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110271763.XA Active CN113026876B (en) | 2021-03-12 | 2021-03-12 | Domestic sewage treatment method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113026876B (en) |
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| CN113578917B (en) * | 2021-06-30 | 2022-12-27 | 中核第七研究设计院有限公司 | Kitchen waste classification compression recovery device and recovery process |
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| US4153208A (en) * | 1976-12-16 | 1979-05-08 | Kraemer & Grebe Gmbh & Co. Kg | Mincing machine for grinding up food |
| KR20110079582A (en) * | 2011-05-27 | 2011-07-07 | 김진혁 | Apparatus for processing food waste for a sink |
| CN202933754U (en) * | 2012-09-28 | 2013-05-15 | 醴陵市尚品电器制造有限公司 | Food waste disposer |
| CN106061272A (en) * | 2014-01-13 | 2016-10-26 | 詹姆斯·B·沃尔夫 | Grinder assembly |
| CN112354836A (en) * | 2020-10-09 | 2021-02-12 | 重庆工程职业技术学院 | Grinding mill and kitchen waste sorting assembly line thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4153208A (en) * | 1976-12-16 | 1979-05-08 | Kraemer & Grebe Gmbh & Co. Kg | Mincing machine for grinding up food |
| KR20110079582A (en) * | 2011-05-27 | 2011-07-07 | 김진혁 | Apparatus for processing food waste for a sink |
| CN202933754U (en) * | 2012-09-28 | 2013-05-15 | 醴陵市尚品电器制造有限公司 | Food waste disposer |
| CN106061272A (en) * | 2014-01-13 | 2016-10-26 | 詹姆斯·B·沃尔夫 | Grinder assembly |
| CN112354836A (en) * | 2020-10-09 | 2021-02-12 | 重庆工程职业技术学院 | Grinding mill and kitchen waste sorting assembly line thereof |
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