CN113117849B - Separation device and separation method for insoluble impurities in domestic sewage - Google Patents
Separation device and separation method for insoluble impurities in domestic sewage Download PDFInfo
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- CN113117849B CN113117849B CN202110346073.6A CN202110346073A CN113117849B CN 113117849 B CN113117849 B CN 113117849B CN 202110346073 A CN202110346073 A CN 202110346073A CN 113117849 B CN113117849 B CN 113117849B
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- 239000012535 impurity Substances 0.000 title claims abstract description 73
- 239000010865 sewage Substances 0.000 title claims abstract description 56
- 238000000926 separation method Methods 0.000 title claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 239000002893 slag Substances 0.000 claims description 22
- 238000004891 communication Methods 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 12
- 238000007790 scraping Methods 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000000717 retained effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000005498 polishing Methods 0.000 description 3
- 241000251131 Sphyrna Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 235000021190 leftovers 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
- 230000000149 penetrating effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0056—Other disintegrating devices or methods specially adapted for specific materials not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
- B02C2201/063—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage for waste water or sewage
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention relates to the technical field of sewage treatment, in particular to a separation device and a separation method for insoluble impurities in domestic sewage. The separating device and the separating method for insoluble impurities in domestic sewage comprise a separating and filtering device and a grinding device, wherein the separating and filtering device separates the insoluble impurities from the sewage, the grinding device is communicated with the separating and filtering device, and the grinding device comprises a grinding cavity, a cutter disc and a plurality of grinding knives. The grinding knife comprises a knife head and a connecting plate, wherein the inner end of the connecting plate is inserted into the rear end of the chute through a connecting column. When the machine is clamped between the cutter disc and the grinding cylinder, the cutter disc moves downwards under the tension of the tension spring, so that hard objects clamped on the cutter disc are rotated and misplaced to unclamp. When the machine is clamped between the cutter head and the grinding cylinder, the distance between the grinding cylinder and the cutter head is increased, the rear end of the connecting plate is retracted to the rear end of the sliding groove, the counterweight table is driven to descend along the transmission sleeve, and meanwhile the cutter head and the grinding cutter are driven to move downwards, so that a hard object clamped with the cutter head is released in a rotating and dislocation mode.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a separation device and a separation method for insoluble impurities in domestic sewage.
Background
In daily life wash dish leaf or tableware etc. can produce a large amount of sewage, these sewage contains leftovers, if pour it into the sewer directly, can cause sewer to block up, and if drag for the insoluble impurity in the sewage and bring unnecessary trouble for people's life between flowing into sewer, even drag for carrying out crushing processing with great insoluble impurity in the sewage, the ordinary crushing processor can be because the bone that puts into too much or rubbish is too hard and cause equipment card machine condition easily when carrying out crushing processing, need draw out rubbish and open again and just can reuse, reduced the efficiency of rubbish processing, and cause equipment damage easily in the past for a long time, influence the use. Secondly, the conventional crushing processor is fixed in the interval between the grinding knife and the grinding cylinder when grinding the garbage, has poor crushing effect on the garbage with larger volume and has low crushing efficiency.
Disclosure of Invention
The invention provides a separation device and a separation method for insoluble impurities in domestic sewage, which are used for solving the problems that the existing garbage disposer is easy to be blocked and has low crushing efficiency.
The invention relates to a separation device and a separation method for insoluble impurities in domestic sewage, which adopts the following technical scheme:
the separating device comprises a separating and filtering device and a grinding device, wherein the separating and filtering device separates insoluble impurities from sewage, the grinding device is communicated with the separating and filtering device, and the grinding device comprises a grinding shell, a cutter head, a plurality of grinding knives, a plurality of counterweight tables, a transmission sleeve, a sleeve ring and a tension spring; the grinding shell is vertically arranged and internally provided with a grinding cavity; the cutter head is horizontally arranged in the grinding cavity, a plurality of filtering holes are uniformly distributed on the cutter head, a plurality of sliding grooves are penetrated and arranged on the cutter head, and the sliding grooves are uniformly distributed by taking the center of the cutter head as the center. In the same clockwise direction, each chute has a front end and a rear end. The plurality of grinding knives are uniformly distributed along the circumferential direction of the cutterhead, the grinding knives comprise knife heads and connecting plates, the inner ends of the connecting plates are inserted into the rear ends of the sliding grooves through connecting columns, each connecting plate is collinear with the corresponding sliding groove, and the connecting plate of each grinding knife is propped against the inner end of the adjacent grinding knife; the tool bit is connected to the outer end of the connecting plate. The counter weight platform is installed in the lower extreme of spliced pole, and is in the below of blade disc, and the periphery wall of counter weight platform is the first truncated cone of decreasingly. The transmission sleeve is rotatably arranged in the grinding shell, and at least the upper end of the peripheral wall of the transmission sleeve is a second conical surface which tapers upwards; the lantern ring is movably arranged on the transmission sleeve along the up-down direction, and rotates along with the transmission sleeve, and the cutterhead is arranged at the upper end of the lantern ring. The counterweight tables are uniformly distributed along the circumferential direction of the transmission sleeve, and the first truncated conical surface is contacted with the second truncated conical surface; the upper end of the tension spring is connected with the lantern ring, and the lower end of the tension spring is connected with the transmission sleeve.
Further, the tool bit comprises a hammer head and an inclined tool, and the hammer head is arranged at two sides of the outer end of the connecting plate; the oblique knife is arranged above the outer end of the connecting plate, and the upper end face of the oblique knife is inclined downwards from outside to inside.
Further, the grinding shell comprises a shell and a grinding cylinder, the grinding cylinder is arranged in the grinding cavity and is installed on the shell, a plurality of vertical crushing strips are arranged in the side wall of the grinding cylinder, and the lower ends of the crushing strips extend to the upper portion of the cutter head. The lower end of the grinding cylinder is provided with a plurality of grinding ring teeth with downward openings; the edge of the cutterhead is provided with a plurality of notches which are outward in opening and vertically penetrate through the cutterhead, a plurality of teeth are arranged between every two adjacent notches, and the teeth face the grinding ring teeth.
Further, a drain cavity is arranged at the bottom of the grinding cavity and below the cutter head, and one side of the drain cavity is communicated with a drain pipeline; the grinding device further comprises a motor and a rotating shaft, the motor drives the rotating shaft to rotate, the rotating shaft is vertically arranged, and the lower end of the transmission sleeve is arranged at the upper end of the rotating shaft; a dirt scraping plate is arranged in the dirt discharging cavity, the inner end of the dirt scraping plate is arranged on the rotating shaft, and the lower end of the dirt scraping plate is contacted with the bottom wall of the dirt discharging cavity so as to scrape insoluble impurities in the dirt discharging cavity out of the dirt discharging cavity; the outside of motor is provided with the motor casing, and the shell is installed in the upper end of motor casing.
Further, a feed inlet communicated with the grinding cavity is formed in the top end of the shell, an insoluble impurity discharge outlet is formed in the side wall of the separation filtering device, and the feed inlet is communicated with the discharge outlet.
Further, the number of grinding rolls was 4.
Further, a shaft core is arranged in the transmission sleeve, the shaft core is arranged along the vertical direction, and a tension spring is sleeved on the outer side of the shaft core; the axle core is provided with the keyway in, and the inboard of lantern ring is provided with the sliding key, and the lantern ring passes through sliding key and keyway and drive sleeve sliding fit from top to bottom.
Further, the separation filter device comprises a support cylinder and a filter screen, the support cylinder is vertically arranged, the filter screen is obliquely arranged in the support cylinder, and the discharge port is arranged at the bottommost end position of the filter screen. A slag collecting cylinder is arranged above the filter screen, a communication pipeline is arranged between the slag collecting cylinder and the bracket cylinder, one end of the communication pipeline is communicated with the discharge port, and the other end of the communication pipeline is communicated with the slag collecting cylinder. So that the impurities on the filter screen enter the slag collecting cylinder through the communicating pipe.
Further, a blocking plate is arranged at the position where the communicating pipeline is communicated with the slag collecting cylinder, so that insoluble impurities on the filter screen are gathered.
The method for separating insoluble impurities in domestic sewage comprises the following steps: the sewage enters the bracket barrel, and insoluble impurities in the sewage are retained above the filter screen. And opening the blocking plate, and enabling insoluble impurities to enter the slag collecting cylinder through the communication pipeline and then enter the grinding cavity through the slag collecting cylinder.
The beneficial effects of the invention are as follows: according to the separating device for insoluble impurities in domestic sewage, the insoluble impurities are filtered from the sewage, when the insoluble impurities are treated, if a machine is clamped between the cutter disc and the grinding cylinder, the cutter disc is not moved, the grinding cylinder impacts in the rotating direction under the action of inertia, and meanwhile, the cutter disc moves downwards under the pulling force of the tension spring, so that hard objects clamped on the cutter disc are released in a rotating and dislocation mode.
When the machine is clamped between the tool bit and the grinding drum, the rotating speed of the grinding drum is reduced or the grinding drum is stopped rotating, the distance between the grinding drum and the tool bit is increased due to insoluble impurities accumulated between the grinding drum and the grinding drum, the rear end of the connecting plate is retracted to the rear end of the sliding groove, the first cone section of the counterweight table is driven to descend along the second cone section of the transmission sleeve, and meanwhile the cutter disc and the grinding drum are driven to move downwards, so that hard objects clamped with the grinding drum are rotated and misplaced, the motor is prevented from being burnt, and the grinding efficiency is improved.
Because the grinding knife can slide in the sliding groove along the front-back direction, the distance between the grinding knife and the grinding cylinder can be adjusted, when insoluble impurities with larger volume are not completely clamped between each grinding knife and the grinding cylinder, the distance between the grinding knife which is not clamped and the grinding cylinder can be increased, the volume of the insoluble impurities which can pass through is increased, the insoluble impurities with larger volume which can pass through are crushed and ground again more easily when crushed next time, and the grinding efficiency is high.
Because the particle size of the insoluble impurities is irregular, the distance between the grinding cutter and the grinding cylinder is changed in the grinding process, wherein the cutter disc is subjected to the tension of the tension spring and the supporting force of the first truncated cone surface to the cutter disc, and when the distance between the grinding cutter and the grinding cylinder is changed, the cutter disc shakes up and down under the action of the tension spring, so that the filtering efficiency of the insoluble impurities is improved.
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 structural view showing an embodiment of a separation device for insoluble impurities in domestic sewage according to the present invention;
FIG. 2 is a schematic view showing the structure of a grinding device according to an embodiment of the separation device for insoluble impurities in domestic sewage according to the present invention;
FIG. 3 is a sectional view showing the structure of a polishing apparatus according to an embodiment of the separation apparatus for insoluble impurities in domestic sewage according to the present invention;
FIG. 4 is a sectional view showing the structure of a grinding apparatus in a non-operating state of an embodiment of a separation apparatus for insoluble impurities in domestic sewage according to the present invention;
FIG. 5 is a top view showing a removal feed inlet in an inactive state of a polishing apparatus according to an embodiment of the separation apparatus for insoluble impurities in domestic sewage according to the present invention;
FIG. 6 is a sectional view showing the structure of a grinding apparatus in a normal operation state of an embodiment of a separation apparatus for insoluble impurities in domestic sewage according to the present invention;
FIG. 7 is a top view showing a removal feed inlet in a normal operation state of a polishing apparatus according to an embodiment of the separation apparatus for insoluble impurities in domestic sewage according to the present invention;
fig. 8 is an exploded view of a grinding apparatus according to an embodiment of the separation apparatus for insoluble impurities in domestic sewage according to the present invention.
In the figure: 1. a feed inlet; 2. a grinding chamber; 3. a blow-down chamber; 11. a second flange; 13. a motor; 14. a motor housing; 15. a sewage drain pipe; 16. a rotating shaft; 17. a dirt scraping plate; 21. a grinding cylinder; 211. crushing the strips; 212. grinding ring teeth; 22. a cutterhead; 221. a chute; 222. a filter hole; 223. a notch; 23. a transmission sleeve; 231. a shaft core; 232. a key slot; 233. a second truncated cone surface; 24. a collar; 241. a sliding key; 242. a first flange; 25. a connecting plate; 251. a counterweight table; 2511. a first truncated cone surface; 252. a hammer head; 253. a bevel blade; 254. a connecting column; 26. a tension spring; 27. a housing; 28. a bracket barrel; 29. a filter screen; 30. a slag collecting cylinder; 31. a blocking plate; 32. a communication pipe; 33. and a grinding device.
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.
As shown in fig. 1 to 8, the separation device for insoluble impurities in domestic sewage according to the present invention comprises a separation filter device for separating insoluble impurities from sewage and a grinding device 33, wherein the grinding device 33 is communicated with the separation filter device, and the grinding device 33 comprises a grinding shell, a cutter 22, a plurality of grinding blades, a plurality of counterweight tables 251, a transmission sleeve 23, a sleeve ring 24 and a tension spring 26. The grinding shell is vertically arranged, and a grinding cavity 2 is arranged in the grinding shell. The cutter head 22 is horizontally arranged in the grinding cavity 2, a plurality of filtering holes 222 are uniformly distributed on the cutter head 22, a plurality of sliding grooves 221 are penetratingly arranged on the cutter head 22, the plurality of sliding grooves 221 are uniformly distributed by taking the center of the cutter head 22 as the center, and each sliding groove 221 is provided with a front end and a rear end in the same clockwise direction. The plurality of grinding knives are uniformly distributed along the circumferential direction of the cutterhead 22, the grinding knives comprise a cutter head and connecting plates 25, the inner ends of the connecting plates 25 are inserted into the rear ends of the sliding grooves 221 through connecting columns 254, each connecting plate 25 is collinear with the corresponding sliding groove 221, and the connecting plate 25 of each grinding knife is propped against the inner end of an adjacent grinding knife; the cutter head is connected to the outer end of the connecting plate 25. The weight table 251 is mounted at the lower end of the connecting column 254 below the cutterhead 22, and the outer peripheral wall of the weight table 251 is a first truncated conical surface 2511 tapering downward. The transmission sleeve 23 is rotatably installed in the grinding housing, and at least the upper end of the peripheral wall of the transmission sleeve 23 is a second tapered surface 233 tapering upwards. The collar 24 is movably installed to the driving sleeve 23 in the up-down direction, and rotates with the driving sleeve 23, and the cutterhead 22 is installed to the upper end of the collar 24 through a first flange 242. The weight stages 251 are uniformly distributed along the circumferential direction of the driving sleeve 23, and the first truncated conical surface 2511 of the weight stages 251 is in contact with the second truncated conical surface of the driving sleeve 23. The upper end of the tension spring 26 is connected to the collar 24, and the lower end of the tension spring 26 is connected to the driving sleeve 23.
In this embodiment, the tool bit includes a hammer head 252 and a bevel blade 253. The hammerheads 252 are disposed at both sides of the front end of the connection plate 25, so that the hammerheads 252 strike the insoluble impurities when the grinding blade rotates, thereby improving the breakage rate of the insoluble impurities. The bevel blade 253 is disposed above the outer end of the connection plate 25, and the upper end surface of the bevel blade 253 is inclined downward from outside to inside so that insoluble impurities falling above the bevel blade 253 are broken when the grinding blade rotates.
In this embodiment, the grinding housing includes a housing 27 and a grinding drum 21, the grinding drum 21 is disposed in the grinding chamber 2 and is mounted on the housing 27, a plurality of vertical crushing strips 211 are disposed in the side wall of the grinding drum 21, the lower ends of the crushing strips 211 extend to the upper side of the cutterhead 22, and when the grinding blade rotates, the cutter head cooperates with the crushing strips 211 on the grinding drum 21 to grind and crush insoluble impurities. The lower end of the grinding cylinder 21 is provided with a plurality of grinding ring teeth 212 with openings facing downward. The edge of the cutterhead 22 is provided with a plurality of notches 223 with outward openings and penetrating through the cutterhead 22 up and down, a plurality of teeth are arranged between every two adjacent notches 223, the teeth face the grinding ring teeth 212 and are matched with the grinding ring teeth 212, insoluble impurities between the cutterhead 22 and the grinding cylinder 21 are ground, and the insoluble impurities which are qualified in grinding flow down along the grinding ring teeth 212 and the notches 223.
In this embodiment, the bottom of the grinding chamber 2 is below the cutterhead 22 and is a sewage draining chamber 3, one side of the sewage draining chamber 3 is communicated with a sewage draining pipeline 15, and the insoluble impurities flowing down enter the sewage draining chamber 3 and then flow out of the sewage draining pipeline 15. The grinding device 33 further comprises a motor 13 and a rotating shaft 16, the motor 13 drives the rotating shaft 16 to rotate, the rotating shaft 16 is vertically arranged, and the lower end of the transmission sleeve 23 is arranged at the upper end of the rotating shaft 16. The dirt scraping plate 17 is arranged in the dirt discharging cavity 3, the inner end of the dirt scraping plate 17 is arranged on the rotating shaft 16, and the lower end of the dirt scraping plate contacts with the bottom wall of the dirt discharging cavity 3 so as to scrape insoluble impurities in the dirt discharging cavity 3 out of the dirt discharging cavity 3. The outside of motor 13 is provided with motor casing 14, and shell 27 installs in motor casing 14's upper end in this embodiment, and shell 27's top is provided with feed inlet 1 with grinding chamber 2 intercommunication, and second flange 11 is installed to the upper end of feed inlet 1. The side wall of the separation filter device is provided with an insoluble impurity discharge outlet, and the feed inlet 1 is communicated with the discharge outlet.
In this embodiment, the number of grinding blades is 4.
In the embodiment, a shaft core 231 is installed in the transmission sleeve 23, the shaft core 231 is arranged along the vertical direction, and a tension spring 26 is sleeved on the outer side of the shaft core 231; a key groove 232 is arranged in the shaft core 231, a sliding key 241 is arranged on the inner side of the lantern ring 24, and the lantern ring 24 is in up-and-down sliding fit with the transmission sleeve 23 through the sliding key 241 and the key groove 232.
In the present embodiment, the separation filter device includes a support cylinder 28 and a filter screen 29, the support cylinder 28 is vertically arranged, the filter screen 29 is obliquely installed inside the support cylinder 28, and the discharge port is arranged at the bottommost position of the filter screen 29; a slag collecting cylinder 30 is arranged above the filter screen 29, a communication pipeline 32 is arranged between the slag collecting cylinder 30 and the bracket cylinder 28, one end of the communication pipeline 32 is communicated with the discharge port, and the other end of the communication pipeline is communicated with the slag collecting cylinder 30, so that insoluble impurities on the filter screen 29 enter the slag collecting cylinder 30 through the communication pipeline 32.
In the present embodiment, a blocking plate 31 is provided at a position where the communication pipe 32 communicates with the slag collecting trunk 30 to gather insoluble impurities on the filter screen 29.
The separation method of insoluble impurities in domestic sewage comprises the following steps: the sewage enters the bracket cylinder 28, and insoluble impurities in the sewage are retained above the filter screen 29; the blocking plate 31 is opened, and insoluble impurities enter the slag collecting cylinder 30 through the communication pipeline 32 and then enter the grinding cavity 2 through the slag collecting cylinder 30.
After the insoluble impurities enter the grinding cavity 2, the motor 13 is started, the motor 13 drives the rotating shaft 16 to rotate, the rotating shaft 16 drives the transmission sleeve 23 to rotate, and the transmission sleeve 23 drives the lantern ring 24 and the cutterhead 22 to rotate. When the cutter disc 22 rotates in an accelerating way, each grinding knife pushes the rear end of the adjacent grinding knife under the inertia action of the cutter head and the counterweight table 251, the rear end of the pushed grinding knife moves from the rear end of the chute 221 to the front end, the counterweight table 251 is driven to move towards the center of the cutter disc 22 when the grinding knife moves forwards, the counterweight table 251 further influences to overcome the tension force of the tension spring 26 and slide and lift along the peripheral wall of the transmission sleeve 23, the counterweight table 251 lifts to drive the cutter disc 22 and the grinding knife to lift, insoluble impurities are ground and crushed under the action of the cutter head, the cutter disc 22 and the grinding cylinder 21, the insoluble impurities after being ground pass through the filtering holes 222, the grinding ring teeth 212 and the notch 223 and flow into the sewage draining cavity 3, and then the insoluble impurities in the sewage draining cavity 3 are scraped into the sewage draining pipeline 15 under the action of the sewage scraping plate 17.
When the cutter head 22 and the grinding cylinder 21 are clamped, the cutter head 22 is not moved, the grinding knife is impacted in the rotating direction under the action of inertia, and meanwhile, the cutter head 22 moves downwards under the tension of the tension spring 26, so that hard objects clamped on the cutter head 22 are rotated and misplaced to unclamp.
When the tool bit and the grinding drum 21 are clamped, the rotation speed of the grinding drum is reduced or the rotation is stopped, insoluble impurities accumulated between the grinding drum 21 and the grinding drum enable the distance between the grinding drum 21 and the tool bit to be increased, the rear end of the connecting plate 25 is retracted to the rear end of the sliding groove 221, the first truncated cone surface 2511 of the counterweight table 251 is driven to descend along the second truncated cone section 233 of the transmission sleeve 23, and meanwhile the cutter disc 22 and the grinding drum are driven to move downwards, so that hard objects clamped on the tool bit are released in a rotating dislocation mode.
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 (10)
1. The utility model provides a separation device of insoluble impurity in domestic sewage which characterized in that: the device comprises a separation and filtration device and a grinding device, wherein the separation and filtration device separates insoluble impurities from sewage, the grinding device is communicated with the separation and filtration device, and the grinding device comprises a grinding shell, a cutter head, a plurality of grinding knives, a plurality of counterweight tables, a transmission sleeve, a lantern ring and a tension spring; the grinding shell is vertically arranged and internally provided with a grinding cavity; the cutter head is horizontally arranged in the grinding cavity, a plurality of filtering holes are uniformly distributed on the cutter head, a plurality of sliding grooves are penetrated on the cutter head, and the sliding grooves are uniformly distributed by taking the center of the cutter head as the center; in the same clockwise direction, each chute has a front end and a rear end; the plurality of grinding knives are uniformly distributed along the circumferential direction of the cutterhead, the grinding knives comprise knife heads and connecting plates, the inner ends of the connecting plates are inserted into the rear ends of the sliding grooves through connecting columns, each connecting plate is collinear with the corresponding sliding groove, and the connecting plate of each grinding knife is propped against the inner end of the adjacent grinding knife; the cutter head is connected to the outer end of the connecting plate; the counterweight table is arranged at the lower end of the connecting column and is positioned below the cutter head, and the peripheral wall of the counterweight table is a first conical surface which tapers downwards; the transmission sleeve is rotatably arranged in the grinding shell, and at least the upper end of the peripheral wall of the transmission sleeve is a second conical surface which tapers upwards; the lantern ring is movably arranged on the transmission sleeve along the up-down direction and rotates along with the transmission sleeve, and the cutterhead is arranged at the upper end of the lantern ring; the counterweight tables are uniformly distributed along the circumferential direction of the transmission sleeve, and the first truncated conical surface is contacted with the second truncated conical surface; the upper end of the tension spring is connected with the lantern ring, and the lower end of the tension spring is connected with the transmission sleeve.
2. The apparatus for separating insoluble impurities in domestic sewage according to claim 1, wherein: the tool bit comprises a hammer head and an inclined cutter, and the hammer head is arranged at two sides of the outer end of the connecting plate; the oblique knife is arranged above the outer end of the connecting plate, and the upper end face of the oblique knife is inclined downwards from outside to inside.
3. The apparatus for separating insoluble impurities in domestic sewage according to claim 1, wherein: the grinding shell comprises a shell and a grinding cylinder, the grinding cylinder is arranged in the grinding cavity and is arranged in the shell, a plurality of vertical crushing strips are arranged in the side wall of the grinding cylinder, and the lower ends of the crushing strips extend to the upper part of the cutter head; the lower end of the grinding cylinder is provided with a plurality of grinding ring teeth with downward openings; the edge of the cutterhead is provided with a plurality of notches which are outward in opening and vertically penetrate through the cutterhead, a plurality of teeth are arranged between every two adjacent notches, and the teeth face the grinding ring teeth.
4. The apparatus for separating insoluble impurities in domestic sewage according to claim 1, wherein: a drain cavity is arranged at the bottom of the grinding cavity and below the cutter head, and one side of the drain cavity is communicated with a drain pipeline; the grinding device further comprises a motor and a rotating shaft, the motor drives the rotating shaft to rotate, the rotating shaft is vertically arranged, and the lower end of the transmission sleeve is arranged at the upper end of the rotating shaft; a dirt scraping plate is arranged in the dirt discharging cavity, the inner end of the dirt scraping plate is arranged on the rotating shaft, and the lower end of the dirt scraping plate is contacted with the bottom wall of the dirt discharging cavity so as to scrape insoluble impurities in the dirt discharging cavity out of the dirt discharging cavity; the outside of motor is provided with the motor casing, and the shell is installed in the upper end of motor casing.
5. The apparatus for separating insoluble impurities in domestic sewage according to claim 1, wherein: the top of the shell is provided with a feed inlet communicated with the grinding cavity, the side wall of the separation filtering device is provided with an insoluble impurity discharge outlet, and the feed inlet is communicated with the discharge outlet.
6. The apparatus for separating insoluble impurities in domestic sewage according to claim 1, wherein: the number of grinding knives is 4.
7. The apparatus for separating insoluble impurities in domestic sewage according to claim 1, wherein: the transmission sleeve is internally provided with a shaft core which is arranged along the vertical direction, and the tension spring is sleeved on the outer side of the shaft core; the axle core is provided with the keyway in, and the inboard of lantern ring is provided with the sliding key, and the lantern ring passes through sliding key and keyway and drive sleeve sliding fit from top to bottom.
8. The apparatus for separating insoluble impurities in domestic sewage according to claim 1, wherein: the separation filtering device comprises a support cylinder and a filter screen, the support cylinder is vertically arranged, the filter screen is obliquely arranged in the support cylinder, and the discharge port is arranged at the bottommost end position of the filter screen; a slag collecting cylinder is arranged above the filter screen, a communication pipeline is arranged between the slag collecting cylinder and the bracket cylinder, one end of the communication pipeline is communicated with the discharge port, and the other end of the communication pipeline is communicated with the slag collecting cylinder; so as to lead the insoluble impurities on the filter screen to enter the slag collecting cylinder through the communicating pipeline.
9. The apparatus for separating insoluble impurities in domestic sewage according to claim 8, wherein: a blocking plate is arranged at the position where the communicating pipeline is communicated with the slag collecting cylinder, so that insoluble impurities on the filter screen are gathered.
10. A separation method of the separation device for insoluble impurities in domestic sewage according to claim 9, characterized in that: comprising the following steps:
the sewage enters a bracket cylinder, and insoluble impurities in the sewage are retained above a filter screen;
and opening the blocking plate, and enabling insoluble impurities to enter the slag collecting cylinder through the communication pipeline and then enter the grinding cavity through the slag collecting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110346073.6A CN113117849B (en) | 2021-03-31 | 2021-03-31 | Separation device and separation method for insoluble impurities in domestic sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110346073.6A CN113117849B (en) | 2021-03-31 | 2021-03-31 | Separation device and separation method for insoluble impurities in domestic sewage |
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| Publication Number | Publication Date |
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| CN113117849A CN113117849A (en) | 2021-07-16 |
| CN113117849B true CN113117849B (en) | 2023-07-11 |
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| CN202110346073.6A Active CN113117849B (en) | 2021-03-31 | 2021-03-31 | Separation device and separation method for insoluble impurities in domestic sewage |
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|---|---|---|---|---|
| CN113769849B (en) * | 2021-07-31 | 2022-11-08 | 苏州市建筑材料再生资源利用有限公司 | Ironwork screening installation among fitment rubbish |
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| CN113117849A (en) | 2021-07-16 |
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