Sludge reflux pump with anti-blocking function

Abstract

The utility model relates to the technical field of sludge reflux pumps, in particular to a sludge reflux pump with an anti-blocking function. The problem that in the using process of a traditional sludge reflux pump, due to the fact that sludge is doped with blocky sludge, the sludge reflux pump is blocked, and consequently the sewage treatment efficiency is inconvenient to improve is solved. The utility model provides a sludge reflux pump with an anti-blocking function. The sludge reflux pump comprises a pump body, a dredging assembly, a driving assembly, a screening assembly, a clearing assembly, a scraping assembly and a blowing assembly, compared with a traditional sludge reflux pump, in the using process, the sludge reflux pump is provided with the clearing structure and the blowing structure, sundries on the two sides of the screening structure can be cleared away through the clearing structure, sludge on the inner wall of the pump body can be cleared away through the scraping structure, and in addition, the sludge reflux pump is convenient to use. The screening structure can be quickly cleaned through the blowing structure, sludge can be effectively prevented from being accumulated and blocking a pipeline, and then the sewage treatment efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge return pumps, in particular to a sludge return pump with a clogging prevention function. Background Art

[0002] Sludge return pumps are common equipment in the sewage treatment process. However, most sludge return pumps have the function of sludge treatment, and the function of improving sewage treatment efficiency is not yet complete enough, and they are inconvenient to operate and use. In the sewage treatment process, sludge return pumps are key treatment equipment, and their main function is to return the treated sludge to the aerobic tank or bacterial tank for re-treatment. However, in the actual use process, due to other garbage or blocky sludge being doped in the sludge, the sludge return pump is prone to clogging during the treatment process, resulting in a reduction in the operating efficiency of the pump and even damage to the equipment, thus making it inconvenient to improve the sewage treatment efficiency. Summary of the Utility Model

[0003] In order to overcome the problem that in the process of using a sludge return pump, due to other garbage or blocky sludge being doped in the sludge, the sludge return pump is prone to clogging during the treatment process, resulting in a reduction in the operating efficiency of the pump and even damage to the equipment, thus making it inconvenient to improve the sewage treatment efficiency.

[0004] The technical solution of the utility model is: a sludge return pump with a clogging prevention function, which includes a pump body, a dredging component, a driving component, a screening component, a cleaning component, a scraping component and a blowing component; dredging components are arranged at both ends of the pump body, a screening component is arranged inside the dredging component, a driving component is arranged inside the pump body, a cleaning component is arranged at one end of the driving component, a scraping component is arranged on the side wall of the driving component, and a blowing component is arranged above the pump body.

[0005] Preferably, when the sludge return pump is in use, first, the sewage enters the pump body through the dredging component, and then, by starting the driving component to generate centrifugal force, the sludge is extracted from the pump body and discharged. At the same time, the driving component can drive the cleaning component and the scraping component to rotate. The cleaning component can clean the sundries on both sides of the screening component, and the scraping component can clean the sludge on the inner wall of the pump body. In addition, the blowing component can quickly clean the screening component, which can effectively prevent sludge accumulation and blockage of the pipeline, and thus can improve the sewage treatment efficiency.

[0006] Preferably, the dredging component includes a protective shell, a feed pipe and a discharge pipe; a feed pipe is arranged on one side of the pump body, a protective shell is arranged on the other side of the pump body, and a discharge pipe is arranged on the side wall of the pump body; first, the sewage enters through the feed pipe of the pump body, and then, by starting the driving component to generate centrifugal force, the sludge is extracted from the pump body and discharged through the discharge pipe.

[0007] Preferably, the driving assembly includes a driving motor, a driving shaft, and a driving impeller. The driving motor is arranged inside the protective housing. The output end of the driving motor is provided with the driving shaft, and the driving impeller is arranged on the side wall of the driving shaft. First, the sewage enters through the feed pipe of the pump body. Then, by starting the driving motor, the driving shaft can be driven to rotate, and the driving shaft can drive the driving impeller to rotate. Subsequently, the sludge is extracted from the pump body by centrifugal force and discharged through the discharge pipe.

[0008] Preferably, the screening assembly includes a first screening mesh and a second screening mesh. The first screening mesh is arranged inside the feed pipe, and the second screening mesh is arranged inside the pump body. The second screening mesh is fixedly connected to the side wall of the driving shaft. The large particles and solid impurities can be screened outside the feed pipe through the first screening mesh. Moreover, the driving shaft can drive the second screening mesh to rotate, and the internal sludge can be refined and discharged through the second screening mesh.

[0009] Preferably, the cleaning assembly includes a rotating shaft, a fixing ring, and a cleaning brush plate. One end of the driving shaft is provided with the rotating shaft, and the fixing ring is arranged on the side wall of the rotating shaft. There are two groups of fixing rings. The cleaning brush plate is arranged on the side wall of the fixing ring. There are two groups of cleaning brush plates. The two groups of cleaning brush plates are respectively arranged on both sides of the first screening mesh, and one side of the cleaning brush plate is in contact connection with one side of the first screening mesh. The driving shaft can drive the rotating shaft to rotate, and the rotating shaft can drive the two groups of cleaning brush plates to rotate respectively through the two groups of fixing rings. The sundries adhering to both sides of the first screening mesh can be cleaned through the two groups of cleaning brush plates, thereby preventing the occurrence of sludge blockage.

[0010] Preferably, the scraping assembly includes a mounting frame and scraping side plates. The mounting frame is arranged on the side wall of the rotating shaft. There are multiple groups of mounting frames. Scraping side plates are arranged at both ends of the mounting frame. One side of the scraping side plate is in contact connection with the inner wall of the pump body. The rotating shaft can drive the multiple groups of mounting frames to rotate. The sludge inside the pump body can be crushed and stirred through the multiple groups of mounting frames. At the same time, the multiple groups of mounting frames can drive the two scraping side plates to rotate. The sludge adhering to the inner wall of the pump body can be cleaned through the two scraping side plates.

[0011] Preferably, the blowing assembly includes an air extraction pump, an air extraction pipe, and an air delivery pipe. The air extraction pump is arranged above the pump body. The air extraction pipe is arranged on one side of the air extraction pump, and the air delivery pipe is arranged on the other side of the air extraction pump. Starting the air extraction pump can extract the external gas through the air extraction pipe, and then the gas is transported through the air delivery pipe.

[0012] Preferably, the injection assembly further includes a pressure boosting valve, an injection pipe, and injection holes; a pressure boosting valve is provided on the side wall of the air delivery pipe, one end of the air delivery pipe is provided with an injection pipe, the injection pipe is arranged on one side of the first screening plate, injection holes are formed in the inner wall of the injection pipe, and multiple groups of injection holes are formed; starting the air extraction pump can extract the external gas through the air extraction pipe, then, the gas is transported to the inside of the injection pipe through the air delivery pipe, and starting the pressure boosting valve can boost the pressure of the air delivery pipe. Subsequently, the high-pressure gas is evenly injected at multiple angles through multiple groups of injection holes, so as to quickly clean the first screening plate, effectively prevent sludge from accumulating and blocking the pipeline inside the first screening plate, and further improve the sewage treatment efficiency.

[0013] The beneficial effects of the present utility model:

[0014] 1. Compared with the traditional sludge reflux pump during use, due to other garbage or blocky sludge being mixed in the sludge, the sludge reflux pump is prone to blockage during the treatment process, resulting in a decrease in the operating efficiency of the pump and even damage to the equipment, thus making it inconvenient to improve the sewage treatment efficiency. This sludge reflux pump is provided with a cleaning structure and an injection structure. When the sludge reflux pump is in use, first, the sewage enters the pump body through the dredging structure, and then, by starting the driving structure to generate centrifugal force, the sludge is extracted and discharged from the pump body. At the same time, the driving structure can drive the cleaning structure and the scraping structure to rotate. The cleaning structure can clean the sundries on both sides of the screening structure, and the scraping structure can clean the sludge on the inner wall of the pump body. In addition, the injection structure can quickly clean the screening structure, effectively prevent sludge from accumulating and blocking the pipeline, and further improve the sewage treatment efficiency;

[0015] 2. At the same time, the driving shaft can drive the rotating shaft to rotate, and the rotating shaft can drive two groups of cleaning brush plates to rotate respectively through two groups of fixing rings. The two groups of cleaning brush plates can clean the sundries adhering to both sides of the first screening net. Moreover, the rotating shaft can drive multiple groups of mounting frames to rotate, and the multiple groups of mounting frames can crush and stir the sludge inside the pump body. At the same time, the multiple groups of mounting frames can drive two groups of scraping side plates to rotate, and the two groups of scraping side plates can clean the sludge adhering to the inner wall of the pump body. In addition, starting the air extraction pump can extract the external gas through the air extraction pipe, then, the gas is transported to the inside of the injection pipe through the air delivery pipe, and starting the pressure boosting valve can boost the pressure of the air delivery pipe. Subsequently, the high-pressure gas is evenly injected at multiple angles through multiple groups of injection holes, so as to quickly clean the first screening plate, effectively prevent sludge from accumulating and blocking the pipeline inside the first screening plate, and further improve the sewage treatment efficiency;

[0016] 3. First, the sewage enters through the feed pipe of the pump body. Then, by starting the drive motor, the drive shaft can be driven to rotate, and the drive shaft can drive the drive impeller to rotate. Subsequently, the sludge is extracted from the pump body by generating centrifugal force and discharged through the discharge pipe. In addition, large particles and solid impurities can be screened outside the feed pipe through the first screening mesh. Moreover, the drive shaft can drive the second screening mesh to rotate, and through the second screening mesh, the effect of fine discharging of the internal sludge can be achieved. Brief Description of the Drawings

[0017] Figure 1 Shows a first three-dimensional structural schematic diagram of a sludge return pump with an anti-blocking function according to the present utility model;

[0018] Figure 2 Shows a first partial three-dimensional structural schematic diagram of a sludge return pump with an anti-blocking function according to the present utility model;

[0019] Figure 3 Shows a second partial three-dimensional structural schematic diagram of a sludge return pump with an anti-blocking function according to the present utility model;

[0020] Figure 4 Shows a third partial three-dimensional structural schematic diagram of a sludge return pump with an anti-blocking function according to the present utility model;

[0021] Figure 5 Shows a fourth partial three-dimensional structural schematic diagram of a sludge return pump with an anti-blocking function according to the present utility model;

[0022] Description of the reference numerals: 1, dredging assembly; 2, drive assembly; 3, screening assembly; 4, cleaning assembly; 5, scraping assembly; 6, blowing assembly; 7, pump body; 101, protective shell; 102, feed pipe; 103, discharge pipe; 201, drive motor; 202, drive shaft; 203, drive impeller; 301, first screening mesh; 302, second screening mesh; 401, rotating shaft; 402, fixing ring; 403, cleaning brush plate; 501, mounting bracket; 502, scraping side plate; 601, air extraction pump; 602, air extraction pipe; 603, air delivery pipe; 604, pressure increasing valve; 605, blowing pipe; 606, blowing hole. Detailed Description of the Embodiment

[0023] The present utility model will be further described below with reference to the drawings and embodiments.

[0024] Please refer to Figure 1, the present utility model provides an embodiment: a sludge reflux pump with a clogging prevention function, which includes a pump body 7, a dredging component 1, a driving component 2, a screening component 3, a cleaning component 4, a scraping component 5 and a blowing component 6; dredging components 1 are arranged at both ends of the pump body 7, a screening component 3 is arranged inside the dredging component 1, a driving component 2 is arranged inside the pump body 7, a cleaning component 4 is arranged at one end of the driving component 2, a scraping component 5 is arranged on the side wall of the driving component 2, and a blowing component 6 is arranged above the pump body 7.

[0025] Please refer to Figure 2 , the dredging component 1 includes a protective shell 101, a feed pipe 102 and a discharge pipe 103; a feed pipe 102 is arranged on one side of the pump body 7, a protective shell 101 is arranged on the other side of the pump body 7, and a discharge pipe 103 is arranged on the side wall of the pump body 7; First, sewage enters through the feed pipe 102 of the pump body 7, and then, by starting the driving component 2 to generate centrifugal force, the sludge is extracted from the pump body 7 and discharged through the discharge pipe 103; the driving component 2 includes a driving motor 201, a driving shaft 202 and a driving impeller 203; a driving motor 201 is arranged inside the protective shell 101, the output end of the driving motor 201 is provided with a driving shaft 202, and a driving impeller 203 is arranged on the side wall of the driving shaft 202; First, sewage enters through the feed pipe 102 of the pump body 7, and then, by starting the driving motor 201, the driving shaft 202 can be driven to rotate, and the driving shaft 202 can drive the driving impeller 203 to rotate. Subsequently, the sludge is extracted from the pump body 7 by generating centrifugal force and discharged through the discharge pipe 103; the screening component 3 includes a first screening mesh 301 and a second screening mesh 302; a first screening mesh 301 is arranged inside the feed pipe 102, a second screening mesh 302 is arranged inside the pump body 7, and the second screening mesh 302 is fixedly connected to the side wall of the driving shaft 202; The large particles and solid impurities can be screened outside the feed pipe 102 through the first screening mesh 301, and the driving shaft 202 can drive the second screening mesh 302 to rotate. Through the second screening mesh 302, the internal sludge can be discharged in a refined manner.

[0026] Please refer to Figures 3 - 5, in this embodiment, the cleaning component 4 includes a rotating shaft 401, a fixing ring 402 and a cleaning brush plate 403; one end of the driving shaft 202 is provided with the rotating shaft 401, a fixing ring 402 is arranged on the side wall of the rotating shaft 401, there are two groups of fixing rings 402, a cleaning brush plate 403 is arranged on the side wall of the fixing ring 402, there are two groups of cleaning brush plates 403, the two groups of cleaning brush plates 403 are respectively arranged on both sides of the first screening mesh 301, and one side of the cleaning brush plate 403 is in contact connection with one side of the first screening mesh 301; the driving shaft 202 can drive the rotating shaft 401 to rotate, and the rotating shaft 401 can drive the two groups of cleaning brush plates 403 to rotate respectively through the two groups of fixing rings 402, and the sundries adhering to both sides of the first screening mesh 301 can be cleaned by the two groups of cleaning brush plates 403, so as to prevent the occurrence of sludge blockage; the scraping component 5 includes a mounting frame 501 and scraping side plates 502; a mounting frame 501 is arranged on the side wall of the rotating shaft 401, there are multiple groups of mounting frames 501, scraping side plates 502 are arranged at both ends of the mounting frame 501, and one side of the scraping side plate 502 is in contact connection with the inner wall of the pump body 7; the rotating shaft 401 can drive multiple groups of mounting frames 501 to rotate, and the sludge inside the pump body 7 can be crushed and stirred through the multiple groups of mounting frames 501. At the same time, the multiple groups of mounting frames 501 can drive the two groups of scraping side plates 502 to rotate, and the sludge adhering to the inner wall of the pump body 7 can be cleaned by the two groups of scraping side plates 502; the blowing component 6 includes an air extraction pump 601, an air extraction pipe 602 and an air delivery pipe 603; an air extraction pump 601 is arranged above the pump body 7, an air extraction pipe 602 is arranged on one side of the air extraction pump 601, and an air delivery pipe 603 is arranged on the other side of the air extraction pump 601; starting the air extraction pump 601 can extract the external gas through the air extraction pipe 602, and then the gas is delivered through the air delivery pipe 603; the blowing component 6 further includes a pressure increasing valve 604, a blowing pipe 605 and blowing holes 606; a pressure increasing valve 604 is arranged on the side wall of the air delivery pipe 603, one end of the air delivery pipe 603 is provided with a blowing pipe 605, the blowing pipe 605 is arranged on one side of the first screening plate, and multiple blowing holes 606 are opened on the inner wall of the blowing pipe 605; starting the air extraction pump 601 can extract the external gas through the air extraction pipe 602, and then the gas is delivered into the blowing pipe 605 through the air delivery pipe 603. And starting the pressure increasing valve 604 can increase the pressure of the air delivery pipe 603. Subsequently, the high-pressure gas is evenly blown at multiple angles through the multiple blowing holes 606, so as to quickly clean the first screening plate, effectively prevent sludge from accumulating inside the first screening plate and blocking the pipeline, and further improve the sewage treatment efficiency.

[0027] When the sludge return pump is in use, first, sewage enters through the feed pipe 102 of the pump body 7. Then, by starting the drive motor 201, the drive shaft 202 can be driven to rotate. The drive shaft 202 can then drive the drive impeller 203 to rotate. Subsequently, the sludge is extracted from the pump body 7 by centrifugal force and discharged through the discharge pipe 103.

[0028] In addition, large particles and solid impurities can be screened outside the feed pipe 102 through the first screening mesh 301. And the drive shaft 202 can drive the second screening mesh 302 to rotate. Through the second screening mesh 302, the internal sludge can be refined and discharged.

[0029] Meanwhile, the drive shaft 202 can drive the rotating shaft 401 to rotate. The rotating shaft 401 can respectively drive two cleaning brush plates 403 to rotate through two fixing rings 402. Through the two cleaning brush plates 403, the sundries adhering to both sides of the first screening mesh 301 can be cleaned.

[0030] And the rotating shaft 401 can drive multiple mounting brackets 501 to rotate. Through the multiple mounting brackets 501, the sludge inside the pump body 7 can be crushed and stirred. At the same time, the multiple mounting brackets 501 can drive two scraping side plates 502 to rotate. Through the two scraping side plates 502, the sludge adhering to the inner wall of the pump body 7 can be cleaned.

[0031] In addition, by starting the air extraction pump 601, the gas from the outside can be extracted through the air extraction pipe 602. Then, the gas is transported to the inside of the blow pipe 605 through the air delivery pipe 603. And by starting the pressure increasing valve 604, the air delivery pipe 603 can be pressurized. Subsequently, the high-pressure gas is evenly blown at multiple angles through multiple blow holes 606, so as to quickly clean the first screening plate, effectively prevent sludge from accumulating and blocking the pipeline inside the first screening plate, and further improve the sewage treatment efficiency.

[0032] Through the above steps, when the sludge return pump is in use, first, sewage enters the pump body 7 through the dredging component 1. Then, by starting the drive component 2, centrifugal force is generated to extract and discharge the sludge from the pump body 7. At the same time, the drive component 2 can drive the cleaning component 4 and the scraping component 5 to rotate. Through the cleaning component 4, the sundries on both sides of the screening component 3 can be cleaned. And through the scraping component 5, the sludge on the inner wall of the pump body 7 can be cleaned. In addition, through the blowing component 6, the screening component 3 can be quickly cleaned, effectively preventing sludge from accumulating and blocking the pipeline, and further improving the sewage treatment efficiency.

[0033] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the gist of the present utility model within the scope of knowledge possessed by those skilled in the art.

Claims

1. A sludge return pump with anti-clogging function, comprising a pump body (7), characterized in that: The pump body (7) further comprises a dredging component (1), a driving component (2), a screening component (3), a cleaning component (4), a scraping component (5) and a blowing component (6); the dredging components (1) are arranged at both ends of the pump body (7), the screening component (3) is arranged inside the dredging component (1), the driving component (2) is arranged inside the pump body (7), the cleaning component (4) is arranged at one end of the driving component (2), the scraping component (5) is arranged on the side wall of the driving component (2), and the blowing component (6) is arranged above the pump body (7).

2. A sludge return pump with anti-clogging function according to claim 1, characterized in that: The dredging component (1) comprises a protective shell (101), a feed pipe (102) and a discharge pipe (103); the feed pipe (102) is arranged on one side of the pump body (7), the protective shell (101) is arranged on the other side of the pump body (7), and the discharge pipe (103) is arranged on the side wall of the pump body (7).

3. The sludge return pump with anti-clogging function according to claim 2, characterized in that: The driving assembly (2) comprises a driving motor (201), a driving shaft (202) and a driving impeller (203); the driving motor (201) is arranged inside the protective shell (101), the driving shaft (202) is arranged at the output end of the driving motor (201), and the driving impeller (203) is arranged on the side wall of the driving shaft (202).

4. The sludge return pump with anti-clogging function according to claim 2 is characterized in that: The screening assembly (3) comprises a first screening net (301) and a second screening net (302); the first screening net (301) is arranged inside the feed pipe (102), the second screening net (302) is arranged inside the pump body (7), and the second screening net (302) is fixedly connected to the side wall of the drive shaft (202).

5. The sludge return pump with anti-clogging function according to claim 3 is characterized in that: The cleaning component (4) comprises a rotating shaft (401), a fixing ring (402) and a cleaning brush plate (403); the rotating shaft (401) is arranged at one end of the driving shaft (202); a fixing ring (402) is arranged on the side wall of the rotating shaft (401); two groups of fixing rings (402) are arranged; a cleaning brush plate (403) is arranged on the side wall of the fixing ring (402); two groups of cleaning brush plates (403) are arranged; the two groups of cleaning brush plates (403) are respectively arranged on both sides of the first screening net (301); one side of the cleaning brush plate (403) is in contact with one side of the first screening net (301).

6. The sludge return pump with anti-clogging function according to claim 5, characterized in that: The scraping assembly (5) comprises a mounting frame (501) and a scraping side plate (502); the mounting frame (501) is arranged on the side wall of the rotating shaft (401), and the mounting frame (501) is provided with multiple groups. The scraping side plates (502) are arranged at both ends of the mounting frame (501), and one side of the scraping side plate (502) is in contact with the inner wall of the pump body (7).

7. The sludge return pump with anti-clogging function according to claim 1, characterized in that: The spray assembly (6) comprises an air suction pump (601), an air suction pipe (602) and an air supply pipe (603); the air suction pump (601) is arranged above the pump body (7), the air suction pipe (602) is arranged on one side of the air suction pump (601), and the air supply pipe (603) is arranged on the other side of the air suction pump (601).

8. The sludge return pump with anti-clogging function according to claim 7, characterized in that: The blowing assembly (6) further comprises a boost valve (604), a blowing pipe (605) and blowing holes (606); the boost valve (604) is arranged on the side wall of the gas supply pipe (603), a blowing pipe (605) is arranged at one end of the gas supply pipe (603), the blowing pipe (605) is arranged on one side of the first sieve plate, and blowing holes (606) are opened on the inner wall of the blowing pipe (605), and the blowing holes (606) are opened in a plurality of groups.

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