CN113003632A - Pretreatment type domestic sewage treatment device - Google Patents

Pretreatment type domestic sewage treatment device Download PDF

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Publication number
CN113003632A
CN113003632A CN202110367266.XA CN202110367266A CN113003632A CN 113003632 A CN113003632 A CN 113003632A CN 202110367266 A CN202110367266 A CN 202110367266A CN 113003632 A CN113003632 A CN 113003632A
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CN
China
Prior art keywords
medicine inlet
grinding
ring
annular
separation blade
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202110367266.XA
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Chinese (zh)
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CN113003632B (en
Inventor
陈思羽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LINGZHI ENVIRONMENTAL PROTECTION CO Ltd
Zhongling Water Environment Equipment Yunnan Co ltd
Zhongling Water Environmental Equipment Linfen Co ltd
Original Assignee
Jiangsu Xiding Environmental Protection Equipment Co ltd
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Publication date
Application filed by Jiangsu Xiding Environmental Protection Equipment Co ltd filed Critical Jiangsu Xiding Environmental Protection Equipment Co ltd
Priority to CN202110367266.XA priority Critical patent/CN113003632B/en
Publication of CN113003632A publication Critical patent/CN113003632A/en
Application granted granted Critical
Publication of CN113003632B publication Critical patent/CN113003632B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/83—Mixing plants specially adapted for mixing in combination with disintegrating operations
    • B01F33/831—Devices with consecutive working receptacles, e.g. with two intermeshing tools in one of the receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
    • B01F33/8361—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating
    • B01F33/83613—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating by grinding or milling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
    • B02C18/0092—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage for waste water or for garbage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
    • B02C18/12—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged below container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/24—Drives

Abstract

The invention relates to the field of sewage treatment, in particular to a pretreatment type domestic sewage treatment device. The pretreatment type domestic sewage treatment device comprises a medicine inlet component and a grinding component; the grinding assembly comprises a grinding ring and a cutter head which are driven by a motor to rotate; the medicine inlet component comprises an annular blocking piece, a spring and an outer ring, and a first medicine inlet for putting a purifying agent is formed in the outer ring; be provided with first through-hole on the annular separation blade, the spring makes first through-hole aim at first into medicine mouth, and the annular separation blade downside is provided with the elasticity dog that passes first into medicine mouth, and it drives the annular separation blade and rotates in order to shelter from first into medicine mouth and extension spring under the striking of grinding ring upper end striking piece, and after the annular separation blade rotated to the maximum stroke position, striking piece and elasticity dog staggered, back elasticity dog drove the reversal of annular separation blade in order to open first into medicine mouth. The larger the cutter head load is, the smaller the rotating speed of the grinding ring is, the larger the time interval of the impact of the elastic stop dog is, and the larger the stroke of the annular baffle piece for returning and conducting the first medicine inlet is.

Description

Pretreatment type domestic sewage treatment device
Technical Field
The invention relates to the field of sewage treatment, in particular to a pretreatment type domestic sewage treatment device.
Background
In order to enable sewage to reach the discharge standard, the sewage needs to be treated, in the prior art, a purifying agent is mostly added to purify the sewage, but block-shaped garbage in the sewage is scattered by the sewage, and more purifying agents cannot be added in real time to treat the block-shaped garbage, so that a sewage treatment device capable of adding the purifying agents in real time according to the increase of the block-shaped garbage in the sewage is needed, and the sewage purification effect is better.
Disclosure of Invention
The invention provides a pretreatment type domestic sewage treatment device, which aims to solve the problem that the investment of a purifying agent cannot be increased according to the increase of blocky garbage in sewage in the prior art.
The invention relates to a pretreatment type domestic sewage treatment device, which adopts the following technical scheme:
a pretreatment type domestic sewage treatment device comprises a shell, a medicine inlet assembly, a grinding assembly and a motor; a grinding cavity is arranged in the shell, a sewage feeding assembly is arranged at the upper part of the grinding cavity, a discharge hole is arranged at the lower part of the grinding cavity, and a medicine inlet pipe is arranged above the shell; the grinding assembly is arranged in the grinding cavity and comprises a grinding ring and a cutter head, the grinding ring is vertically arranged, a vertically extending long hole is formed in the peripheral wall of the grinding ring, the cutter head is horizontally arranged on the inner side of the grinding ring, a plurality of through holes are formed in the cutter head, the long hole in the grinding ring and the through hole in the cutter head are both communicated with the discharge hole, and the grinding ring and the cutter head are both driven by a motor to rotate; the medicine inlet assembly is arranged in the shell and positioned on the upper side of the grinding ring and comprises an annular blocking piece, a spring and an outer ring, a first medicine inlet is formed in the outer ring, an outlet of the medicine inlet pipe is communicated with the first medicine inlet, and the first medicine inlet is configured to feed purifying agents into the inner side space and the outer side space of the grinding ring; the annular separation blade is rotatably arranged on the upper side of the outer ring, a first through hole which is correspondingly communicated with the first medicine inlet is arranged on the annular separation blade, the spring enables the first through hole of the annular separation blade to be aligned with the first medicine inlet, an elastic stop block is arranged on the lower side of the annular separation blade, the elastic stop block penetrates through the first medicine inlet to limit the rotating stroke of the annular separation blade, an impact block is arranged at the upper end of the grinding ring, the elastic stop block drives the annular separation blade to rotate under the impact of the impact block, so that the annular separation blade shields the first medicine inlet and stretches the spring, and under the restriction of the first medicine inlet, after the annular separation blade rotates to the maximum stroke position, the grinding ring drives the impact block to be staggered with the elastic stop block, the rear elastic stop block drives the annular separation blade to rotate reversely under the action of the spring, so that the annular separation blade opens the first medicine inlet, the larger the rotating speed of the grinding ring is, the shorter the time interval of the elastic stop block being impacted is, and the shorter the stroke of the annular blocking piece for returning and conducting the first medicine inlet is; the smaller the rotating speed of the grinding ring is, the larger the time interval of the elastic stop block being impacted is, and the larger the stroke of the annular blocking piece for returning and conducting the first medicine inlet under the action of the spring is.
First medicine mouth of advancing has a plurality ofly, along the circumference evenly distributed of outer ring, and the first through-hole that corresponds the setting on the annular separation blade has a plurality ofly, along the circumference evenly distributed of annular separation blade.
The outer ring is also provided with a plurality of second medicine inlet groups which are uniformly distributed along the circumferential direction of the outer ring, each second medicine inlet group is positioned between two adjacent first medicine inlets, and each second medicine inlet group comprises two second medicine inlets which are arranged at intervals along the radial direction of the outer ring; a second through hole which is aligned and communicated with the second medicine inlet is formed in the position corresponding to the annular separation blade; the medicine inlet assembly also comprises an inner ring, the inner ring is fixedly arranged on the upper side of the annular retaining sheet, and a third through hole and a fourth through hole which are respectively aligned and communicated with the first medicine inlet and the second medicine inlet are formed in the inner ring; one end of the spring is connected with one end of the first through hole of the annular blocking piece, and the other end of the spring is connected with the inner ring.
The medicine inlet assembly further comprises an annular baffle plate, the annular baffle plate is vertically arranged on the upper side of the inner end of the outer ring, a third medicine inlet is formed in the annular baffle plate, an outlet of the medicine inlet pipe is further communicated with the third medicine inlet, and a purifying agent is put into the inner side space of the grinding ring through the third medicine inlet.
The annular baffle inboard is provided with the drainage plate to the medicament that makes follow first medicine mouth of advancing flows disperses along the drainage plate, and then makes medicament and sewage intensive mixing.
At least one of two contact surfaces of the elastic stop block and the impact block, which collide with each other, is a wedge-shaped surface so as to guide the elastic stop block to be out of contact with the impact block when the elastic stop block moves to the maximum stroke position along with the impact block.
The motor drives the cutter head to rotate through the vertically arranged transmission shaft, the cutter head is arranged at the upper end of the transmission shaft, and the transmission shaft drives the grinding ring to rotate in the direction opposite to the rotation direction of the cutter head through the speed reduction transmission device.
The motor drives the cutter disc to rotate through a vertically arranged transmission shaft, the transmission shaft drives the grinding ring to rotate through a speed reduction transmission device, and the speed reduction transmission device is arranged below the grinding cavity and comprises an end face gear, a second straight gear, a first straight gear, a speed change gear, a transmission disc and a rotating shaft; the transmission disc is arranged on the transmission shaft, a circle of sliding rails are arranged on the transmission disc, the sliding rails are not connected end to end and are not arranged on the same circumference, and the head end is positioned on the radial inner side of the tail end; the rotating shaft is horizontally and rotatably arranged on the shell and is positioned above the transmission disc; the variable speed wheel is arranged on the rotating shaft and comprises a wheel disc and hobbing gears which are rotatably arranged on the outer circumference of the wheel disc, and the outer side of the slide rail acts on the hobbing gears of the variable speed wheel so as to enable the hobbing gears to move from the outer side of the head end to the outer side of the tail end and further enable the variable speed wheel to roll; the first straight gear is arranged on the rotating shaft, the second straight gear is rotatably arranged on the shell and is externally meshed with the first straight gear, the end face gear is rotatably arranged on the shell and is coaxial with the transmission shaft, is positioned on the upper side of the second straight gear, is meshed with the second straight gear and is configured to rotate in a direction opposite to the rotating direction of the transmission disc; the grinding ring is connected with the face gear so as to synchronously rotate along with the face gear.
The grinding assembly further comprises a cutter head which is arranged on the cutter head, and the cutting edge faces the grinding ring so as to grind the garbage with the interaction of the grinding ring when rotating along with the cutter head.
The lower end of the grinding ring is provided with a filter plate sleeved on the transmission shaft, the filter plate is positioned below the grinding ring, the center of the filter plate is provided with a sleeve extending vertically and downwards, the sleeve is sleeved on the transmission shaft, and the lower end of the sleeve is connected with the face gear.
The invention has the beneficial effects that: according to the pretreatment type domestic sewage treatment device, the sewage discharged into the shell is treated by arranging the normally-open third medicine inlet, and the sewage and the purifying agent are mixed more fully by the rotation of the cutter head; the cutter head and the grinding ring on the cutter head can crush blocky garbage in sewage from left to right, and when the rotation speed of the grinding ring is reduced due to the fact that more garbage is accumulated on the cutter head, the first medicine inlet and the second medicine inlet are opened intermittently, the throwing amount of the purifying agent is increased, the more the garbage is accumulated on the cutter head, the more the rotation speed is reduced, the longer the opening time of the first medicine inlet and the second medicine inlet is, and the more the throwing amount of the purifying agent is.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view showing an overall structure of an embodiment of a pretreatment type domestic sewage treatment apparatus according to the present invention.
FIG. 2 is a schematic half-sectional view showing the overall structure of an embodiment of the pretreatment type domestic sewage treatment apparatus according to the present invention.
Fig. 3 is an enlarged schematic view of a point a in fig. 1.
FIG. 4 is an exploded view of a chemical inlet assembly of an embodiment of a domestic sewage treatment apparatus according to the present invention.
Fig. 5 is an enlarged view of B in fig. 4.
FIG. 6 is a schematic view showing the installation of an upper cover and a chemical inlet assembly in an embodiment of the pretreatment type domestic sewage treatment apparatus of the present invention.
FIG. 7 is a bottom view of a chemical inlet assembly in an embodiment of a domestic sewage treatment apparatus of the present invention.
Fig. 8 is an enlarged schematic view of C in fig. 6.
FIG. 9 is a schematic view showing the installation position of a spring in an embodiment of the pretreatment type domestic sewage treatment apparatus according to the present invention.
Fig. 10 is an enlarged view of fig. 9 at D.
FIG. 11 is a schematic view showing an opened state of a first chemical inlet in an embodiment of the pretreatment type domestic sewage treatment apparatus according to the present invention.
FIG. 12 is a schematic view showing a closed state of a first chemical inlet in an embodiment of the pretreatment type domestic sewage treatment apparatus according to the present invention.
FIG. 13 is a schematic structural view of a drainage plate in an embodiment of a pretreatment-type domestic sewage treatment apparatus according to the present invention.
FIG. 14 is a schematic view of a polishing ring in an embodiment of the apparatus for treating domestic sewage according to the present invention.
Fig. 15 is an enlarged view of E in fig. 14.
FIG. 16 is a schematic view of a cutter head of an embodiment of the apparatus for treating domestic sewage according to the present invention.
In the figure: 11. an upper cover; 111. a communicating hole; 12. a medicine inlet pipe; 13. a drainage plate; 131. positioning a rod; 14. an inner ring; 141. a third through hole; 142. a fourth via hole; 143. a second spring fixing block; 15. an annular baffle plate; 151. a first through hole; 152. an elastic stopper; 153. a spring; 154. a first spring fixing block; 155. a second through hole; 16. an outer ring; 161. a first medicine inlet; 162. a second medicine inlet; 17. an annular baffle; 171. a third medicine inlet; 21. grinding the shell; 22. a grinding ring; 221. an impact block; 23. a cutter head; 231. a cutter head; 24. a drive shaft; 25. a discharge port; 31. a drive housing; 32. a face gear; 33. a second spur gear; 34. a first straight gear; 35. a change wheel; 36. a drive plate; 37. a slide rail; 38. a rotating shaft; 41. a motor housing; 5. an electric motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of a pretreatment type domestic sewage treatment apparatus according to the present invention, as shown in fig. 1 to 16, includes a housing, a chemical inlet assembly, a grinding assembly, and a motor 5.
Be provided with the grinding chamber in the casing, grind the chamber top and be provided with sewage feeding component, grind the chamber below and be provided with discharge gate 25, be provided with into pencil 12 above the casing.
Grinding unit sets up in grinding the intracavity, including grinding ring 22 and blade disc 23, the vertical setting of grinding ring 22, and is provided with the slot hole of vertical extension on the perisporium, and blade disc 23 level sets up in grinding ring 22 inboard, and is provided with a plurality of through-holes on the blade disc, and slot hole on the grinding ring 22 and the through-hole on the blade disc 23 all communicate with discharge gate 25, and grinding ring 22 and blade disc 23 all rotate under motor 5's drive.
The medicine inlet assembly is arranged in the shell and positioned on the upper side of the grinding ring 22 and comprises an annular baffle plate 15, a spring 153 and an outer ring 16, a first medicine inlet 161 is formed in the outer ring 16, an outlet of the medicine inlet pipe 12 is communicated with the first medicine inlet 161, and the first medicine inlet 161 is configured to feed purifying agents into the inner side space and the outer side space of the grinding ring 22; the annular blocking sheet 15 is rotatably arranged on the upper side of the outer ring 16, a first through hole 151 used for correspondingly communicating with a first medicine inlet 161 is arranged on the annular blocking sheet 15, the spring 153 enables the first through hole 151 of the annular blocking sheet 15 to align with the first medicine inlet 161, an elastic stop block 152 is arranged on the lower side of the annular blocking sheet 15, the elastic stop block 152 penetrates through the first medicine inlet 161 to limit the rotation stroke of the annular blocking sheet 15, an impact block 221 is arranged at the upper end of the grinding ring 22, the elastic stop block 152 drives the annular blocking sheet 15 to rotate under the impact of the impact block 221, the annular blocking sheet 15 blocks the first medicine inlet 161 and stretches the spring 153, and under the limitation of the first medicine inlet 161, the grinding ring 22 drives the impact block 221 to be staggered with the elastic stop block 152 after the annular blocking sheet 15 rotates to the maximum stroke position, the elastic stop block 152 drives the annular blocking sheet 15 to rotate reversely under the action of the spring 153, so that the annular blocking sheet, the larger the rotation speed of the grinding ring 22 is, the shorter the time interval between the elastic stoppers 152 being impacted is, and the shorter the stroke of the annular barrier 15 returning to the first chemical inlet 161 is; the smaller the rotation speed of the grinding ring 22, the longer the time interval between the impacts of the elastic stopper 152, and the larger the stroke of the annular barrier 15 returning to conduct the first medicine inlet 161 under the action of the spring 153.
In this embodiment, there are a plurality of first medicine inlets 161 uniformly distributed along the circumferential direction of the outer ring 16, and there are a plurality of first through holes 151 correspondingly disposed on the ring-shaped blocking piece 15 uniformly distributed along the circumferential direction of the ring-shaped blocking piece 15.
In this embodiment, the outer ring 16 is further provided with a plurality of second medicine inlet groups, the second medicine inlet groups are uniformly distributed along the circumferential direction of the outer ring 16, each second medicine inlet group is located between two adjacent first medicine inlet 161, and each second medicine inlet group includes two second medicine inlet 162 arranged at intervals along the radial direction of the outer ring 16; the annular blocking piece 15 is provided with a second through hole 155 corresponding to the second medicine inlet 162 for aligning and communicating with the second medicine inlet 162, so that the first medicine inlet 161 and the second medicine inlet 162 can be opened or closed simultaneously. The medicine inlet assembly further comprises an inner ring 14, the inner ring 14 is fixedly arranged on the upper side of the annular blocking piece 15, and the inner ring 14 is provided with a third through hole 141 and a fourth through hole 142 which are respectively aligned and communicated with the first medicine inlet 161 and the second medicine inlet 162; a first spring fixing block 154 is arranged at one end of the first through hole 151 of the annular baffle 15, the upper end of the first spring fixing block 154 penetrates through the third through hole 141 of the inner ring 14, a second spring fixing block 143 is arranged on the inner ring 14, and two ends of the spring 153 are respectively connected with the first spring fixing block 154 and the second spring fixing block 143.
In this embodiment, the medicine inlet assembly further includes an annular baffle 17, the annular baffle 17 is vertically disposed on the upper side of the inner end of the outer ring 16, a third medicine inlet 171 is disposed on the annular baffle 17, the outlet of the medicine inlet pipe 12 is further communicated with the third medicine inlet 171, and the third medicine inlet 171 is configured to inject a purifying agent into the space inside the grinding ring 22.
In this embodiment, annular baffle 17 inboard is provided with drainage plate 13, and drainage plate 13 installs in annular baffle 17 inner wall through locating lever 131, and is located the third and advances medicine mouthful 171 upside, and drainage plate 13 is enclosed to close by a plurality of arc separation blade interconnect and forms, and a plurality of arc separation blades from outer toward interior and from last slope setting down to make the medicament that flows from third advances medicine mouthful 171 disperse along drainage plate 13 and open, and then make medicament and sewage intensive mixing.
In the present embodiment, at least one of two contact surfaces where the elastic stopper 152 and the striking block 221 collide with each other is a wedge surface to guide the elastic stopper 152 out of contact with the striking block 221 when the elastic stopper 152 moves to the maximum stroke position with the striking block 221.
In this embodiment, the motor 5 drives the cutter head 23 to rotate through the vertically arranged transmission shaft 24, the cutter head 23 is installed at the upper end of the transmission shaft 24, and the transmission shaft 24 drives the grinding ring 22 to rotate along the direction opposite to the rotation direction of the cutter head 23 through the speed reduction transmission device.
In the embodiment, the speed reduction transmission device is arranged below the grinding cavity and comprises a face gear 32, a second straight gear 33, a first straight gear 34, a speed change gear 35, a transmission disc 36 and a rotating shaft 38; the transmission disc 36 is mounted on the transmission shaft 24, a circle of slide rails 37 are arranged on the transmission disc 36, the slide rails 37 are not connected end to end and are not on the same circumference, and the head ends are located on the radial inner side of the tail ends; the rotating shaft 38 is horizontally and rotatably arranged on the shell and is positioned above the transmission disc 36; the change gear 35 is mounted on the rotating shaft 38 and comprises a wheel disc and hobbing teeth rotatably arranged on the outer circumference of the wheel disc, and the outer side of the slide rail 37 acts on the hobbing teeth of the change gear 35 so as to enable the hobbing teeth to move from the outer side of the head end to the outer side of the tail end and further enable the change gear 35 to roll; a first straight gear 34 is arranged on the rotating shaft 38, a second straight gear 33 is rotatably arranged on the shell and is externally meshed with the first straight gear 34, an end face gear 32 is horizontally and rotatably arranged on the shell, is coaxial with the transmission shaft 24, is positioned at the upper side of the second straight gear 33, is meshed with the second straight gear 33 and is configured to rotate in the direction opposite to the rotating direction of the transmission disc 36; the grind ring 22 is connected to face gear 32 for synchronous rotation with the face gear 32.
In this embodiment, the grinding assembly further includes a cutter head 231, the cutter head 231 being disposed on the cutter disc 23 with the cutting edges facing the grind ring 22 to interact with the grind ring 22 to grind debris as it rotates with the cutter disc 23.
In this embodiment, the lower end of the grinding ring 22 is provided with a filter plate sleeved on the transmission shaft 24, the filter plate is positioned below the filter plate 23, the center of the filter plate is provided with a vertically downward extending sleeve, the sleeve is sleeved on the transmission shaft 24, and the lower end of the sleeve is connected with the face gear 32.
In this embodiment, the housing includes an upper cover 11, a grinding shell 21, a transmission shell 31, and a motor shell 41, the transmission shell 31, the grinding shell 21, and the upper cover 11 are sequentially disposed from bottom to top, the motor 5 is installed in the motor shell 41, and the transmission speed reducer is disposed in the transmission shell 31; the bottom of grinding shell 21 and sleeve sealing connection just enclose with upper cover 11 and enclose into jointly and grind the chamber, and discharge gate 25 sets up in the lateral wall bottom of grinding shell 21, and the subassembly that advances is located grinding shell 21 lateral wall upper portion, and sewage feeding subassembly sets up in the top of upper cover 11.
In this embodiment, the outer ring 16 includes a horizontal ring and a vertical ring, the vertical ring is disposed above the outer ring of the horizontal ring, and encloses a ring of first ring grooves with upward openings with the ring baffle 17, and the first medicine inlet 161 and the second medicine inlet 162 are disposed on the horizontal ring. A circle of second annular groove with a downward opening is convexly arranged on the lower side of the upper cover 11, the second annular groove is buckled with the first annular groove, a communicating hole 111 communicated with the third medicine inlet 171 is formed in one side, attached to the annular baffle 17, of the second annular groove, and the medicine inlet pipe 12 is arranged above the second annular groove of the upper cover 11.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The utility model provides a preliminary treatment type sewage treatment unit which characterized in that: comprises a shell, a medicine inlet component, a grinding component and a motor; a grinding cavity is arranged in the shell, a sewage feeding assembly is arranged at the upper part of the grinding cavity, a discharge hole is arranged at the lower part of the grinding cavity, and a medicine inlet pipe is arranged above the shell; the grinding assembly is arranged in the grinding cavity and comprises a grinding ring and a cutter head, the grinding ring is vertically arranged, a vertically extending long hole is formed in the peripheral wall of the grinding ring, the cutter head is horizontally arranged on the inner side of the grinding ring, a plurality of through holes are formed in the cutter head, the long hole in the grinding ring and the through hole in the cutter head are both communicated with the discharge hole, and the grinding ring and the cutter head are both driven by a motor to rotate; the medicine inlet assembly is arranged in the shell and positioned on the upper side of the grinding ring and comprises an annular blocking piece, a spring and an outer ring, a first medicine inlet is formed in the outer ring, an outlet of the medicine inlet pipe is communicated with the first medicine inlet, and the first medicine inlet is configured to feed purifying agents into the inner side space and the outer side space of the grinding ring; the annular separation blade is rotatably arranged on the upper side of the outer ring, a first through hole which is correspondingly communicated with the first medicine inlet is arranged on the annular separation blade, the spring enables the first through hole of the annular separation blade to be aligned with the first medicine inlet, an elastic stop block is arranged on the lower side of the annular separation blade, the elastic stop block penetrates through the first medicine inlet to limit the rotating stroke of the annular separation blade, an impact block is arranged at the upper end of the grinding ring, the elastic stop block drives the annular separation blade to rotate under the impact of the impact block, so that the annular separation blade shields the first medicine inlet and stretches the spring, and under the restriction of the first medicine inlet, after the annular separation blade rotates to the maximum stroke position, the grinding ring drives the impact block to be staggered with the elastic stop block, the rear elastic stop block drives the annular separation blade to rotate reversely under the action of the spring, so that the annular separation blade opens the first medicine inlet, the larger the rotating speed of the grinding ring is, the shorter the time interval of the elastic stop block being impacted is, and the shorter the stroke of the annular blocking piece for returning and conducting the first medicine inlet is; the smaller the rotating speed of the grinding ring is, the larger the time interval of the elastic stop block being impacted is, and the larger the stroke of the annular blocking piece for returning and conducting the first medicine inlet under the action of the spring is.
2. The pretreatment-type domestic sewage treatment apparatus according to claim 1, wherein: first medicine mouth of advancing has a plurality ofly, along the circumference evenly distributed of outer ring, and the first through-hole that corresponds the setting on the annular separation blade has a plurality ofly, along the circumference evenly distributed of annular separation blade.
3. The pretreatment-type domestic sewage treatment apparatus according to claim 2, wherein: the outer ring is also provided with a plurality of second medicine inlet groups which are uniformly distributed along the circumferential direction of the outer ring, each second medicine inlet group is positioned between two adjacent first medicine inlets, and each second medicine inlet group comprises two second medicine inlets which are arranged at intervals along the radial direction of the outer ring; a second through hole which is aligned and communicated with the second medicine inlet is formed in the position corresponding to the annular separation blade; the medicine inlet assembly also comprises an inner ring, the inner ring is fixedly arranged on the upper side of the annular retaining sheet, and a third through hole and a fourth through hole which are respectively aligned and communicated with the first medicine inlet and the second medicine inlet are formed in the inner ring; one end of the spring is connected with one end of the first through hole of the annular blocking piece, and the other end of the spring is connected with the inner ring.
4. The pretreatment-type domestic sewage treatment apparatus according to claim 1, wherein: the medicine inlet assembly further comprises an annular baffle plate, the annular baffle plate is vertically arranged on the upper side of the inner end of the outer ring, a third medicine inlet is formed in the annular baffle plate, an outlet of the medicine inlet pipe is further communicated with the third medicine inlet, and a purifying agent is put into the inner side space of the grinding ring through the third medicine inlet.
5. The pretreatment-type domestic sewage treatment apparatus according to claim 4, wherein: the annular baffle inboard is provided with the drainage plate to the medicament that makes follow first medicine mouth of advancing flows disperses along the drainage plate, and then makes medicament and sewage intensive mixing.
6. The pretreatment-type domestic sewage treatment apparatus according to claim 1, wherein: at least one of two contact surfaces of the elastic stop block and the impact block, which collide with each other, is a wedge-shaped surface so as to guide the elastic stop block to be out of contact with the impact block when the elastic stop block moves to the maximum stroke position along with the impact block.
7. The pretreatment-type domestic sewage treatment apparatus according to claim 1, wherein: the motor drives the cutter head to rotate through the vertically arranged transmission shaft, the cutter head is arranged at the upper end of the transmission shaft, and the transmission shaft drives the grinding ring to rotate in the direction opposite to the rotation direction of the cutter head through the speed reduction transmission device.
8. The pretreatment-type domestic sewage treatment apparatus according to claim 1, wherein: the motor drives the cutter disc to rotate through a vertically arranged transmission shaft, the transmission shaft drives the grinding ring to rotate through a speed reduction transmission device, and the speed reduction transmission device is arranged below the grinding cavity and comprises an end face gear, a second straight gear, a first straight gear, a speed change gear, a transmission disc and a rotating shaft; the transmission disc is arranged on the transmission shaft, a circle of sliding rails are arranged on the transmission disc, the sliding rails are not connected end to end and are not arranged on the same circumference, and the head end is positioned on the radial inner side of the tail end; the rotating shaft is horizontally and rotatably arranged on the shell and is positioned above the transmission disc; the variable speed wheel is arranged on the rotating shaft and comprises a wheel disc and hobbing gears which are rotatably arranged on the outer circumference of the wheel disc, and the outer side of the slide rail acts on the hobbing gears of the variable speed wheel so as to enable the hobbing gears to move from the outer side of the head end to the outer side of the tail end and further enable the variable speed wheel to roll; the first straight gear is arranged on the rotating shaft, the second straight gear is rotatably arranged on the shell and is externally meshed with the first straight gear, the end face gear is rotatably arranged on the shell and is coaxial with the transmission shaft, is positioned on the upper side of the second straight gear, is meshed with the second straight gear and is configured to rotate in a direction opposite to the rotating direction of the transmission disc; the grinding ring is connected with the face gear so as to synchronously rotate along with the face gear.
9. The pretreatment-type domestic sewage treatment apparatus according to claim 1, wherein: the grinding assembly further comprises a cutter head which is arranged on the cutter head, and the cutting edge faces the grinding ring so as to grind the garbage with the interaction of the grinding ring when rotating along with the cutter head.
10. The pretreatment-type domestic sewage treatment apparatus according to claim 8, wherein: the lower end of the grinding ring is provided with a filter plate sleeved on the transmission shaft, the filter plate is positioned below the grinding ring, the center of the filter plate is provided with a sleeve extending vertically and downwards, the sleeve is sleeved on the transmission shaft, and the lower end of the sleeve is connected with the face gear.
CN202110367266.XA 2021-04-06 2021-04-06 Pretreatment type domestic sewage treatment device Active CN113003632B (en)

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Application Number Priority Date Filing Date Title
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5707016A (en) * 1996-07-01 1998-01-13 Witsken; Anthony Apparatus and methods for wet grinding
US20100282885A1 (en) * 2007-04-27 2010-11-11 Jesus Perez Santafe Grinding container for the selective collection of solid urban waste and various special adaptations for each type of waste, including a domestic grinding container
CN203922771U (en) * 2014-06-09 2014-11-05 宣尧杭 A kind of adding medicine device for treatment of dyeing wastewater
CN112343135A (en) * 2020-10-14 2021-02-09 于梦广 Energy-saving kitchen garbage disposer and energy-saving green building
CN112473836A (en) * 2020-11-11 2021-03-12 颜家丽 High-efficient grinder of chinese-medicinal material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5707016A (en) * 1996-07-01 1998-01-13 Witsken; Anthony Apparatus and methods for wet grinding
US20100282885A1 (en) * 2007-04-27 2010-11-11 Jesus Perez Santafe Grinding container for the selective collection of solid urban waste and various special adaptations for each type of waste, including a domestic grinding container
CN203922771U (en) * 2014-06-09 2014-11-05 宣尧杭 A kind of adding medicine device for treatment of dyeing wastewater
CN112343135A (en) * 2020-10-14 2021-02-09 于梦广 Energy-saving kitchen garbage disposer and energy-saving green building
CN112473836A (en) * 2020-11-11 2021-03-12 颜家丽 High-efficient grinder of chinese-medicinal material

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