Rotational flow grit chamber with self-cleaning inner cavity

By incorporating a mesh frame and rubber scraper design in the vortex grit chamber, combined with a stirring and sand suction mechanism, the problem of scraped material not being collected is solved, achieving self-cleaning and dirt collection, thus improving the treatment efficiency of the grit chamber and the equipment lifespan.

CN223683091UActive Publication Date: 2025-12-19JIANGSU ALANBELL ENVIRONMENTAL PROTECTION TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202423161829.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-19
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

In the existing vortex grit chamber, the scraped-off adhering material cannot be effectively collected during the self-cleaning process, which affects the efficiency of subsequent treatment, and the friction between the scraper and the inner wall causes damage to the equipment.

Method used

A mesh frame is installed at the front end of the support rod in the vortex grit chamber, and the feed inlet is aligned with the scraper so that the scraped material falls directly into the mesh frame. Combined with the stirring mechanism and the sand suction pump, self-cleaning and dirt collection are achieved. Rubber scrapers are used to reduce friction on the inner wall, and the slot and block design facilitates the replacement of the cleaning mechanism.

Benefits of technology

It achieves effective collection of dirt during the self-cleaning process, improves the treatment efficiency of the grit chamber, extends the service life of the mesh frame, reduces equipment damage, and enhances the convenience of the cleaning mechanism.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223683091U_ABST
    Figure CN223683091U_ABST
Patent Text Reader

Abstract

The utility model discloses a rotational flow grit chamber with a self-cleaning inner cavity, which belongs to the field of sewage and comprises a body mechanism, a stirring mechanism is mounted in the body mechanism, a cleaning mechanism is mounted at the outer end of the stirring mechanism and comprises a supporting rod, a clamping block is fixedly arranged at the rear end of the supporting rod, and a clamping groove is formed in the clamping block. The device comprises a supporting rod, a scraping plate is fixedly installed on the right side of the front end of the supporting rod, a screen frame is fixedly installed on the left side of the front end of the supporting rod, and a feeding port is formed in the middle of the inner side of the screen frame. The grit chamber has the advantages that the grit chamber body is provided with the scraping plate, so that substances scraped by the scraping plate in the grit chamber body can directly fall into the screen frame, the device has a dirt collecting function while self-cleaning is achieved, the clamping groove is matched with the clamping block, the supporting rod and the stirring frame are of a detachable structure, and the convenience of replacement of the cleaning mechanism is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field, especially in a kind of self-cleaning inner cavity's cyclone grit chamber. BACKGROUND

[0002] Silt is mixed in sewage during migration, flow or collection, and if the sand in sewage is not removed by pre-settling separation, it will affect the operation of subsequent treatment equipment, so sewage needs to be sand-filtered, and sewage treatment sand-filtering purification tank is an important facility in sewage treatment technology, and its main purpose is to treat sand and other particles in sewage to facilitate subsequent sewage treatment process;

[0003] When the cyclone grit chamber works, the sand adsorbed on the inner cavity of the sand setting area cannot be cleaned, and when the flow and flow rate of sewage change, the sand originally adsorbed on the inner cavity will mix into the sewage, thereby affecting the subsequent sewage treatment efficiency of the cyclone grit chamber, and the cyclone grit chamber with self-cleaning inner cavity disclosed in Chinese patent publication No. CN221385338U can scrape the adhering substances on the inner wall of the sand setting tank by setting a scraper, thereby making the sand setting tank have a self-cleaning function, but the adhering substances scraped by the scraper cannot be collected and treated during the self-cleaning process of the sand setting tank, and the adhering substances may continue to adhere inside the sand setting tank, therefore, we propose a cyclone grit chamber with self-cleaning inner cavity. UTILITY MODEL CONTENT

[0004] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a cyclone grit chamber with self-cleaning inner cavity, which has the function of dirt collection while self-cleaning by setting the net frame at the front end of the support rod and corresponding the scraper to the feed inlet, so that the substances scraped by the scraper can directly fall into the inside of the net frame.

[0005] The above technical purpose of the utility model is realized by the following technical scheme:

[0006] A cyclone grit chamber with self-cleaning inner cavity, comprising a body mechanism, a stirring mechanism is installed inside the body mechanism, and a cleaning mechanism is installed at the outer end of the stirring mechanism;

[0007] The cleaning mechanism comprises a support rod, a clamping block is fixedly arranged at the rear end of the support rod, a scraper is fixedly installed at the right side of the front end of the support rod, a net frame is fixedly installed at the left side of the front end of the support rod, a feed inlet is formed in the middle of the inner side of the net frame, the net frame is located at the front end of the support rod and corresponds to the scraper to the feed inlet, so that the substances scraped by the scraper can directly fall into the inside of the net frame, thereby making the device have the function of dirt collection while self-cleaning.

[0008] Further, the body mechanism comprises a sand pool body, a sand outlet pipe is fixedly connected to the middle of the lower part of the sand pool body, a sand suction pump is fixedly installed on the middle of the sand outlet pipe, and a horizontal frame is fixedly installed on the middle of the upper end of the sand pool body.

[0009] Further, the stirring mechanism comprises a driving motor, a transmission rod is fixedly installed on the lower end of the driving motor, a stirring rod is fixedly installed on the lower end of the transmission rod, stirring blades are fixedly installed on the lower end of the stirring rod, a stirring frame is fixedly installed on the middle of the stirring rod, and a clamping groove is formed in the middle of the outer end of the stirring frame.

[0010] Further, the supporting rod is movably installed on the outer end of the stirring frame through a clamping block, the scraper is of a triangular structure, the net frame is of a semi-cylindrical structure, the outer end of the net frame is of an arc structure, and the outer end of the scraper is retracted by three millimeters, so that when the scraper scrapes the adhering matters on the inner wall of the sand pool body, the net frame does not rub against the inner wall of the sand pool body, thereby prolonging the service life of the net frame, and the front end of the scraper is made of rubber, so that the inner wall of the sand pool body is not damaged when the scraper scrapes the matters on the inner wall.

[0011] Further, the driving motor is fixedly installed on the middle of the upper end of the horizontal frame, and the left and right ends of the horizontal frame are of an arc structure.

[0012] Further, the stirring frame is of a square frame structure, and the clamping grooves are symmetrically arranged on the middle of the left and right ends of the stirring frame.

[0013] Further, the sand outlet pipe extends to the inside of the sand pool body.

[0014] Further, the clamping groove and the clamping block are matched.

[0015] In summary, the utility model has the following beneficial effects:

[0016] 1. The net frame is arranged at the front end of the supporting rod, and the feeding port corresponds to the scraper, so that the matters scraped by the scraper can directly fall into the net frame, thereby realizing self-cleaning and dirt collecting of the device.

[0017] 2. The clamping groove allows the left and right ends of the stirring frame to be installed with the cleaning mechanism, so that the stirring frame drives the cleaning mechanism to clean the inside of the sand pool body, and the matching of the clamping groove and the clamping block allows the supporting rod and the stirring frame to be detachable, thereby improving the convenience of replacing the cleaning mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1is the schematic diagram of the overall structure in the embodiment;

[0019] Figure 2 is the schematic diagram of the structure of the section in the embodiment;

[0020] Figure 3 is the schematic diagram of the structure of the stirring mechanism in the embodiment;

[0021] Figure 4 is the schematic diagram of the structure of the cleaning mechanism in the embodiment;

[0022] Figure 5 is the schematic diagram of the structure of the net frame in the embodiment.

[0023] In the figure, 1, the body mechanism; 101, the sand pool body; 102, the sand outlet pipe; 103, the sand suction pump; 104, the cross frame; 2, the stirring mechanism; 201, the driving motor; 202, the transmission rod; 203, the stirring rod; 204, the stirring blade; 205, the stirring frame; 206, the clamping groove; 3, the cleaning mechanism; 301, the supporting rod; 302, the clamping block; 303, the scraper; 304, the net frame; 305, the feeding port. DETAILED DESCRIPTION

[0024] The utility model will be further explained in detail in connection with the drawings.

[0025] Wherein same part is indicated with same reference numerals. It is to be explained that, the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the direction in the drawing, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the direction towards or away from the geometric center of the specific part.

[0026] Referring to Figures 1-5 As shown in the figure, the utility model is a cyclone sand pool with self-cleaning inner cavity, comprising a body mechanism 1, a stirring mechanism 2 is installed inside the body mechanism 1, and a cleaning mechanism 3 is installed at the outer end of the stirring mechanism 2.

[0027] The cleaning mechanism 3 comprises a supporting rod 301, a clamping block 302 is fixedly arranged at the rear end of the supporting rod 301, a scraper 303 is fixedly installed at the right side of the front end of the supporting rod 301, a net frame 304 is fixedly installed at the left side of the front end of the supporting rod 301, a feeding port 305 is formed in the middle of the inner side of the net frame 304, and the net frame 304 is located at the front end of the supporting rod 301 and the feeding port 305 corresponds to the scraper 303, so that the substances scraped down by the scraper 303 can directly fall into the inside of the net frame 304, thereby making the device have the function of dirt collection while being self-cleaning.

[0028] The body mechanism 1 comprises a sand pool body 101, a sand outlet pipe 102 fixedly connected to the middle of the lower part of the sand pool body 101, a sand suction pump 103 fixedly installed on the middle of the sand outlet pipe 102, a cross frame 104 fixedly installed on the upper end of the sand pool body 101, and the sand suction pump 103 is arranged to facilitate the discharge of sand after the sand pool body 101 completes sand setting.

[0029] The stirring mechanism 2 comprises a driving motor 201, a transmission rod 202 fixedly installed on the lower end of the driving motor 201, a stirring rod 203 fixedly installed on the lower end of the transmission rod 202, a stirring blade 204 fixedly installed on the lower end of the stirring rod 203, a stirring frame 205 fixedly installed on the middle of the stirring rod 203, and a clamping groove 206 formed in the middle of the outer end of the stirring frame 205. The stirring blade 204 is arranged to increase the stirring efficiency of the mixture in the sand pool body 101 during sand setting, so that the sand setting efficiency of the sand pool body 101 in treating sewage is higher.

[0030] The support rod 301 is movably installed on the outer end of the stirring frame 205 through the clamping block 302, the scraper 303 is of a triangular structure, the net frame 304 is of a semi-cylindrical structure, the outer end of the net frame 304 is of an arc structure, and the outer end of the scraper 303 is retracted by three millimeters. Therefore, when the scraper 303 scrapes the adhering matter on the inner wall of the sand pool body 101, the net frame 304 does not rub against the inner wall of the sand pool body 101, thereby increasing the service life of the net frame 304. In addition, the front end of the scraper 303 is made of rubber material, which can scrape the matter on the inner wall of the sand pool body 101 without damaging the inner wall.

[0031] The driving motor 201 is fixedly installed on the middle of the upper end of the cross frame 104, and the left and right ends of the cross frame 104 are of an arc structure. The left and right ends of the cross frame 104 are arranged to be arc-shaped to fit the outer side of the sand pool body 101, so as to avoid the cross frame 104 extending out.

[0032] The stirring frame 205 is of a square frame structure, and the clamping grooves 206 are symmetrically distributed in the middle of the left and right ends of the stirring frame 205. The clamping grooves 206 can be arranged on the left and right ends of the stirring frame 205, and the clamping grooves 206 movably connect the support rod 301 and the stirring frame 205. Therefore, the stirring frame 205 rotates to drive the cleaning mechanism 3 to clean the inside of the sand pool body 101.

[0033] The sand outlet pipe 102 extends into the inside of the sand pool body 101, and the sand pool body 101 can be discharged through the sand outlet pipe 102, avoiding manual sand discharge. The device is more convenient for sand setting treatment.

[0034] The clamping grooves 206 and the clamping blocks 302 are matched with each other, and the matching of the clamping grooves 206 and the clamping blocks 302 makes the support rod 301 and the stirring frame 205 a detachable structure, thereby increasing the convenience of replacing the cleaning mechanism 3.

[0035] Specific implementation process: when operating, first pour the sewage to be treated from the upper end of the grit chamber body 101, then drive the motor 201 to drive the components installed at the lower end to stir, thereby separating the sand in the sewage, the separated sand is sucked from the inside of the grit chamber body 101 by the sand suction pump 103, when the grit chamber body 101 completes sand setting, other impurities will adhere to the inner wall of the grit chamber body 101, at this time, the clamping block 302 at the outer end of the supporting rod 301 is inserted into the clamping groove 206 arranged at the outer end of the stirring frame 205, after insertion, the scraper 303 installed at the outer end of the supporting rod 301 is attached to the inner wall of the grit chamber body 101, and the mesh frame 304 is located at the front end of the supporting rod 301 and the feeding port 305 is corresponding to the scraper 303, so that the material scraped by the scraper 303 can directly fall into the inside of the mesh frame 304, thereby making the device have the function of dirt collection while self-cleaning, in the structure, the outer end of the mesh frame 304 is an arc structure, and the outer end of the scraper 303 is retracted by three millimeters, thereby when the scraper 303 scrapes the adhered material on the inner wall of the grit chamber body 101, the mesh frame 304 does not rub with the inner wall of the grit chamber body 101, thereby the service life of the mesh frame 304 can be increased, secondly, the front end of the scraper 303 is made of rubber material, which does not damage the inner wall while scraping the material on the inner wall of the grit chamber body 101, the various components of the device complement each other, and the stirring frame 205 of the frame structure can be provided with the clamping groove 206 at the left and right ends, the left and right ends of the stirring frame 205 can be installed with the cleaning mechanism 3 through the clamping groove 206, thereby the stirring frame 205 drives the cleaning mechanism 3 to self-clean the inside of the grit chamber body 101.

[0036] The basic principle and main features of the present application are shown and described above, and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A vortex grit chamber with self-cleaning internal cavities, characterized in that: It includes a main body mechanism (1), a stirring mechanism (2) is installed inside the main body mechanism (1), and a cleaning mechanism (3) is installed at the outer end of the stirring mechanism (2). The cleaning mechanism (3) includes a support rod (301), a locking block (302) is fixedly installed at the rear end of the support rod (301), a scraper (303) is fixedly installed on the right side of the front end of the support rod (301), a mesh frame (304) is fixedly installed on the left side of the front end of the support rod (301), and a feed inlet (305) is opened in the middle of the inner side of the mesh frame (304).

2. A cyclonic grit chamber with self-cleaning internal chamber according to claim 1, characterized in that: The main body (1) includes a sedimentation tank body (101), a sand outlet pipe (102) is fixedly connected to the middle part of the lower part of the sedimentation tank body (101), a sand suction pump (103) is fixedly installed in the middle part of the sand outlet pipe (102), and a crossbeam (104) is fixedly installed in the middle part of the upper end of the sedimentation tank body (101).

3. A self-cleaning internal chamber cyclonic grit chamber according to claim 1, wherein: The stirring mechanism (2) includes a drive motor (201), a transmission rod (202) is fixedly installed at the lower end of the drive motor (201), a stirring rod (203) is fixedly installed at the lower end of the transmission rod (202), a stirring blade (204) is fixedly installed at the lower end of the stirring rod (203), a stirring frame (205) is fixedly installed in the middle of the stirring rod (203), and a slot (206) is provided in the middle of the outer end of the stirring frame (205).

4. A self-cleaning internal vortex grit chamber according to claim 2, wherein: The support rod (301) is movably installed on the outer end of the stirring rack (205) via a locking block (302), the scraper (303) is a triangular structure, and the mesh frame (304) is a semi-cylindrical structure.

5. A self-cleaning internal chamber cyclonic grit chamber according to claim 3, wherein: The drive motor (201) is fixedly installed in the middle of the upper end of the cross frame (104), and the left and right ends of the cross frame (104) are arc-shaped structures.

6. A self-cleaning internal vortex grit chamber according to claim 3, wherein: The stirring rack (205) has a square frame structure, and the slots (206) are symmetrically distributed in the middle of the left and right ends of the stirring rack (205).

7. A self-cleaning internal chamber cyclonic grit chamber according to claim 2, wherein: The sand outlet pipe (102) extends into the interior of the sedimentation tank body (101).

8. A self-cleaning internal chamber cyclonic grit chamber according to claim 6, wherein: The card slot (206) and the card block (302) are compatible.

Citation Information

Patent Citations

  • Rotational flow grit chamber with self-cleaning inner cavity

    CN221385338U