CN220867121U

CN220867121U - Sewage pretreatment device

Info

Publication number: CN220867121U
Application number: CN202322093547.8U
Authority: CN
Inventors: 陆震威; 苏春东
Original assignee: Zhitong Daohe Suzhou Information Technology Service Co ltd
Current assignee: Zhitong Daohe Suzhou Information Technology Service Co ltd
Priority date: 2023-08-05
Filing date: 2023-08-05
Publication date: 2024-04-30
Anticipated expiration: 2033-08-05

Abstract

The utility model relates to the technical field of sewage treatment equipment, and provides a sewage pretreatment device which comprises a treatment box, wherein a liquid outlet for liquid is formed in the bottom of the treatment box, a grille for blocking hairs is fixedly arranged at the bottom of a feeding funnel, a impurity removal component is arranged at the lower part of the treatment box, a cleaning mechanism for cleaning hairs on the grille is arranged in the treatment box, a driving component for driving the impurity removal component and the cleaning mechanism to operate is arranged outside the treatment box, and the cleaning mechanism comprises a cleaning plate which is slidably arranged on the grille. According to the utility model, through the cleaning mechanism, a rapid cleaning function for sundries on the grating is realized, the problem that hairs and the like on the grating are wound on the winding grating under the impact of water flow is avoided, and the cleaning difficulty is improved, so that the probability of blocking the grating by the sundries is reduced, the pretreatment efficiency of sewage is improved, and in addition, the bottom of the bearing cavity is provided with the sieve holes, so that the sewage which is mistakenly fed into the bearing cavity can be conveniently returned to the treatment box through the sieve holes.

Description

Sewage pretreatment device

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to a sewage pretreatment device.

Background

When sewage is treated, solid impurities in the sewage are generally cleaned and treated through a pretreatment process, large-size substances such as fibers and hairs are mostly filtered through a grating in the prior pretreatment process, and along with the increase of filtering time, the impurities such as the hairs on the grating are more and more, so that the grating is blocked, the flow rate of the sewage is influenced, and the impurities such as the hairs on the grating are wound on the surface of the grating through the impact of water flow, so that the cleaning difficulty is increased. In view of this, we propose a sewage pretreatment device.

Disclosure of utility model

The utility model aims to solve the defects that impurities on a grating are easy to block the grating and influence the sewage flow rate in the traditional sewage pretreatment device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The sewage pretreatment device comprises a treatment box and a feeding funnel fixedly arranged on the treatment box, wherein the feeding funnel is communicated with the treatment box, a liquid outlet for discharging liquid is formed in the bottom of the treatment box, a grid for blocking hair is fixedly arranged at the bottom of the feeding funnel, a impurity removing component is arranged at the lower part of the treatment box, a cleaning mechanism for cleaning hair on the grid is arranged in the treatment box, and a driving component for driving the impurity removing component and the cleaning mechanism to operate is arranged outside the treatment box;

The cleaning mechanism comprises a cleaning plate which is mounted on the grid in a sliding manner, a joint assembly is arranged at the contact part of the cleaning plate and the grid, a bearing cavity is formed in one side of the treatment box, sieve holes communicated with the inner cavity of the treatment box are formed in the bottom of the bearing cavity, a transmission assembly used for driving the cleaning plate to move is arranged in the treatment box, and the transmission assembly is in transmission connection with the driving assembly.

Preferably, the transmission assembly comprises a transmission rack which is slidably arranged in the treatment box and is fixedly connected with the cleaning plate, a transmission gear which is in transmission connection with the treatment box is meshed with the lower portion of the transmission rack, a transmission groove is formed in one side of the transmission gear, an arc-shaped toothed ring is arranged in the transmission groove, an auxiliary gear is meshed on the arc-shaped toothed ring, and a universal joint is coaxially arranged on one side of the auxiliary gear.

Preferably, the laminating subassembly is including seting up the toper chamber on the clearance board, slidable mounting has the laminating arc board that laminates with the grid in the toper chamber, laminating arc board one side fixed mounting has the laminating spring of one end and clearance board rigid coupling.

Preferably, a shielding rod is slidably mounted in the treatment box, a sliding groove is formed in one end of the shielding rod, and a poking plate fixedly connected with the cleaning plate is slidably mounted in the sliding groove.

Preferably, the impurity removing assembly comprises an impurity removing cavity obliquely arranged in the treatment box, an impurity removing impeller is rotatably arranged in the impurity removing cavity, and a filter screen communicated with the liquid outlet is arranged at the lowest part of the impurity removing cavity.

Preferably, the driving assembly comprises a driving motor fixedly arranged outside the treatment box, a driving chain wheel set is connected to the output end of the driving motor in a transmission way, and a universal joint and an impurity removing impeller are connected to the driving motor in a transmission way through the driving chain wheel set.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, through the cleaning mechanism, a rapid cleaning function for sundries on the grating is realized, the problem that hairs and the like on the grating are wound on the winding grating under the impact of water flow is avoided, and the cleaning difficulty is improved, so that the probability of blocking the grating by the sundries is reduced, the pretreatment efficiency of sewage is improved, and in addition, the bottom of the bearing cavity is provided with the sieve holes, so that the sewage which is mistakenly fed into the bearing cavity can be conveniently returned to the treatment box through the sieve holes.

2. According to the utility model, through the mutual matching of the conical cavity and the attaching spring, the attaching arc plate is always attached to the grille, and even if the attaching arc plate is worn, the grille can be continuously attached under the action of the conical cavity, so that sundries attached to the grille are avoided, and the phenomenon that the sundries are not easy to be cleaned by the cleaning plate is avoided, thereby improving the cleaning quality of hairs on the grille.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a right side cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the area A in FIG. 2;

FIG. 4 is a left side cross-sectional view of the present utility model;

Fig. 5 is an enlarged view of the area B in fig. 4.

In the figure: 1. a treatment box; 2. a feed hopper; 3. a drive assembly; 31. a driving motor; 32. driving a chain wheel group; 4. a grille; 5. a cleaning mechanism; 51. a cleaning plate; 52. a load bearing cavity; 53. a shielding rod; 531. a sliding groove; 532. a pulling piece; 54. a fitting assembly; 541. a conical cavity; 542. attaching an arc plate; 543. attaching a spring; 55. a transmission assembly; 551. a drive rack; 552. a transmission gear; 553. a transmission groove; 554. an arc-shaped toothed ring; 555. an auxiliary gear; 556. a universal joint; 6. a liquid outlet; 7. a decontamination assembly; 71. a impurity removing cavity; 72. impurity removing impeller; 73. and (3) a filter screen.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, a sewage pretreatment device, including treatment box 1, and fixed mounting feed hopper 2 on treatment box 1, and feed hopper 2 and treatment box 1 intercommunication, treatment box 1 bottom is equipped with the liquid outlet 6 that is used for the play liquid, feed hopper 2 bottom fixed mounting has grid 4 that is used for stopping hair, treatment box 1 lower part is equipped with edulcoration subassembly 7, be equipped with the clearance mechanism 5 that is used for clearing up hair on grid 4 in the treatment box 1, treatment box 1 outside is equipped with and is used for driving edulcoration subassembly 7 and clearance mechanism 5 moving drive assembly 3, when this device is used, can pour sewage from feed hopper 2 into treatment box 1 earlier, the fibrous class in the sewage, the large-scale material such as hair can grid 4 filter in feed hopper 2 bottom, and the sewage that separates can directly fall to treatment box 1 bottom, after the impurity clearance of edulcoration subassembly 7 will remain, discharge from liquid outlet 6 again, thereby the pretreatment to sewage has been accomplished. The cleaning mechanism 5 comprises a cleaning plate 51 which is slidably mounted on the grid 4, a fitting component 54 is arranged at the contact part of the cleaning plate 51 and the grid 4, a bearing cavity 52 is formed in one side of the treatment box 1, sieve holes communicated with the inner cavity of the treatment box 1 are formed in the bottom of the bearing cavity 52, a transmission component 55 used for driving the cleaning plate 51 to move is arranged in the treatment box 1, the transmission component 55 is in transmission connection with the driving component 3, and when the grid 4 is cleaned, the cleaning plate 51 can be controlled to slide back and forth on the grid 4 through the transmission component 55, so that the effect of pushing sundries such as hairs on the grid 4 to the bearing cavity 52 is achieved, the function of cleaning the grid 4 is achieved, the hairs on the grid 4 are prevented from winding on the winding grid 4 under the impact of water flow, the problem of cleaning difficulty is improved, the probability of blocking the grid 4 by sundries is reduced, the pretreatment efficiency of sewage is improved, in addition, sieve holes are formed in the bottom of the bearing cavity 52, the sewage in the bearing cavity 52 is convenient to return to the treatment box 1 through the sieve holes, and the practicability of the device is improved.

The transmission assembly 55 comprises a transmission rack 551 which is slidably arranged in the treatment box 1, the transmission rack 551 is fixedly connected with the cleaning plate 51, a transmission gear 552 which is in transmission connection with the treatment box 1 is meshed with the lower portion of the transmission rack 551, a transmission groove 553 is formed in one side of the transmission gear 552, an arc-shaped toothed ring 554 is arranged in the transmission groove 553, an auxiliary gear 555 is meshed on the arc-shaped toothed ring 554, a universal joint 556 is coaxially arranged on one side of the auxiliary gear 555, when the driving assembly 3 operates, the auxiliary gear 555 is driven to rotate through the universal joint 556, the transmission gear 552 can be driven to reciprocate in the treatment box 1 through tooth meshing between the auxiliary gear 555 and the arc-shaped toothed ring 554, and the cleaning plate 51 can be driven to reciprocate on the grid 4 through the transmission rack 551 due to the meshing of the transmission rack 551.

Example two

Referring to fig. 1-5, the present embodiment is substantially the same as the first embodiment, and more preferably, the attaching assembly 54 includes a tapered cavity 541 formed on the cleaning plate 51, an attaching arc plate 542 attached to the grille 4 is slidably mounted in the tapered cavity 541, an attaching spring 543 fixedly mounted on one side of the attaching arc plate 542, and one end of the attaching spring 543 is fixedly connected to the cleaning plate 51, during long-term use, holes between the cleaning plate 51 and the grille 4 become gradually larger due to abrasion, which causes some hairs to adhere to the grille 4 and not to be cleaned, thereby reducing the cleaning quality of the sundries on the grille 4 by the device.

The processing box 1 is internally provided with the shielding rod 53 in a sliding manner, one end of the shielding rod 53 is provided with the sliding groove 531, the sliding groove 531 is internally provided with the shifting piece 532 fixedly connected with the cleaning plate 51 in a sliding manner, when the cleaning plate 51 moves, the shifting piece 532 fixedly connected with the cleaning plate is matched with one end of the sliding groove 531, the effect of driving the shielding rod 53 to synchronously move is achieved, the shielding function of the shielding rod 53 on sundries at the rear part of the cleaning plate 51 is achieved, the rear part of the cleaning plate 51 is prevented from being fallen to the rear part of the cleaning plate 51, and the cleaning difficulty of equipment is reduced.

The impurity removing assembly 7 comprises an impurity removing cavity 71 obliquely arranged in the treatment box 1, the impurity removing cavity 71 is rotatably provided with an impurity removing impeller 72, a filter screen 73 communicated with the liquid outlet 6 is arranged at the lowest part of the impurity removing cavity 71, sewage falling into the impurity removing cavity 71 flows out of the filter screen 73, solid impurities with larger particle sizes can be left in the impurity removing cavity 71, and the solid impurities can be gradually taken out of the impurity removing cavity 71 along with the rotation of the impurity removing impeller 72, so that the treatment quality of the equipment on the sewage is improved.

The driving assembly 3 comprises a driving motor 31 fixedly arranged outside the treatment box 1, a driving chain wheel set 32 is connected to the output end of the driving motor 31 in a transmission way, a universal joint 556 and a impurity removing impeller 72 are connected to the driving motor 31 through the driving chain wheel set 32 in a transmission way, and when the device operates, the driving motor 31 is matched with the driving chain wheel set 32 to drive the universal joint 556 and the impurity removing impeller 72 to operate.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sewage pretreatment device, includes treatment case (1) to and fixed mounting is on treatment case (1) feed hopper (2), and feed hopper (2) and treatment case (1) intercommunication, treatment case (1) bottom is equipped with liquid outlet (6) that are used for the play liquid, its characterized in that: the hair-catching device is characterized in that a grid (4) used for blocking hair is fixedly arranged at the bottom of the feeding funnel (2), a impurity-removing component (7) is arranged at the lower part of the treatment box (1), a cleaning mechanism (5) used for cleaning the hair on the grid (4) is arranged in the treatment box (1), and a driving component (3) used for driving the impurity-removing component (7) and the cleaning mechanism (5) to operate is arranged outside the treatment box (1);

The cleaning mechanism (5) comprises a cleaning plate (51) which is slidably mounted on the grid (4), a fitting assembly (54) is arranged at the contact part of the cleaning plate (51) and the grid (4), a bearing cavity (52) is formed in one side of the treatment box (1), sieve holes communicated with the inner cavity of the treatment box (1) are formed in the bottom of the bearing cavity (52), a transmission assembly (55) used for driving the cleaning plate (51) to move is arranged in the treatment box (1), and the transmission assembly (55) is in transmission connection with the driving assembly (3).

2. The wastewater pretreatment apparatus according to claim 1, wherein: the transmission assembly (55) comprises a transmission rack (551) which is slidably mounted in the treatment box (1), the transmission rack (551) is fixedly connected with the cleaning plate (51), a transmission gear (552) which is in transmission connection with the treatment box (1) is meshed with the lower portion of the transmission rack (551), a transmission groove (553) is formed in one side of the transmission gear (552), an arc-shaped toothed ring (554) is arranged in the transmission groove (553), an auxiliary gear (555) is meshed on the arc-shaped toothed ring (554), and a universal joint (556) is coaxially arranged on one side of the auxiliary gear (555).

3. The wastewater pretreatment apparatus according to claim 1, wherein: the laminating subassembly (54) is including seting up toper chamber (541) on clearance board (51), slidable mounting has laminating arc board (542) with grid (4) laminating in toper chamber (541), laminating arc board (542) one side fixed mounting has laminating spring (543) of one end and clearance board (51) rigid coupling.

4. The wastewater pretreatment apparatus according to claim 1, wherein: the treatment box (1) is internally provided with a shielding rod (53) in a sliding manner, one end of the shielding rod (53) is provided with a sliding groove (531), and a poking plate (532) fixedly connected with the cleaning plate (51) is arranged in the sliding groove (531) in a sliding manner.

5. The wastewater pretreatment apparatus according to claim 2, wherein: the impurity removing assembly (7) comprises an impurity removing cavity (71) obliquely arranged in the processing box (1), an impurity removing impeller (72) is rotatably arranged in the impurity removing cavity (71), and a filter screen (73) communicated with the liquid outlet (6) is arranged at the lowest part of the impurity removing cavity (71).

6. The wastewater pretreatment apparatus according to claim 5, wherein: the driving assembly (3) comprises a driving motor (31) fixedly arranged outside the treatment box (1), a driving chain wheel set (32) is connected to the output end of the driving motor (31) in a transmission mode, and a universal joint (556) and a impurity removing impeller (72) are connected to the driving motor (31) through the driving chain wheel set (32) in a transmission mode.