An anti-clogging water pump for sewage treatment and transportation

Abstract

The present invention discloses an anti-clogging water pump for sewage treatment and transportation, which relates to the technical field of sewage treatment and solves the problem that the existing method of using a cutter to directly crush impurities in sewage during sewage transportation easily causes the phenomenon of tool chipping, greatly shortens the service life of the cutter, and is inconvenient for continuous and efficient transportation of sewage. An anti-clogging water pump for sewage treatment and transportation includes a water pump mechanism, one end of which is equipped with a filtering backwashing mechanism, and the filtering backwashing mechanism includes a first guide shell, a second guide shell, an arc-shaped sealing strip, a first mounting ring, a second mounting ring, a coarse screen guide plate, a fine screen guide plate, a backwashing elbow, a slag discharge pipe, a sealing plug, and a guide hole. The present invention effectively avoids clogging of the water pump by filtering impurities in sewage and performing a double crushing operation, and facilitates backwashing of the filtration structure, thereby maintaining service life and reducing maintenance frequency.

Description

Technical Field

[0001] The present invention relates to the technical field of sewage treatment, in particular to an anti-clogging water pump for sewage treatment and transportation. Background Art

[0002] Sewage treatment is the process of purifying sewage to meet the water quality requirements for discharge into a certain water body or reuse. Sewage treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, medical care and catering, and is increasingly entering the daily lives of ordinary people. In the sewage treatment process, cantilevered single-stage single-suction centrifugal pumps are often used to transport sewage. When the centrifugal pumps used for sewage treatment transport sewage, there are many impurities in the sewage, which can easily lead to blockage.

[0003] However, the existing sewage transportation method uses a tool to directly crush impurities in the sewage, which can easily cause the tool edge to break, greatly shortening the service life of the tool and making it inconvenient to continuously and efficiently transport sewage; therefore, it does not meet the existing needs. In this regard, we propose an anti-clogging water pump for sewage treatment and transportation. Summary of the Invention

[0004] The purpose of the present invention is to provide an anti-clogging water pump for sewage treatment and transportation, so as to solve the problems raised in the above background technology that the existing sewage transportation uses a tool to directly crush impurities in the sewage, which easily causes the tool to break, greatly shortens the service life of the tool, and is inconvenient for continuous and efficient transportation of sewage.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: an anti-clogging water pump for sewage treatment and transportation, comprising a water pump mechanism, one end of the water pump mechanism is equipped with a filtering backwashing mechanism, the filtering backwashing mechanism comprises a first guide shell, a second guide shell, an arc-shaped sealing strip, a first mounting ring, a second mounting ring, a coarse screen guide plate, a fine screen guide plate, a backwashing elbow, a slag discharge pipe, a sealing plug and a guide hole, one end of the first guide shell is equipped with a second guide shell, and two arc-shaped sealing strips are installed on the inner sides of the first guide shell and the second guide shell. Seal, a first mounting ring is installed on the inner side of the two arc-shaped sealing strips, a second mounting ring is installed on one side of the first mounting ring, a coarse screen guide plate is installed on the inner sides of the first mounting ring and the second mounting ring, a fine screen guide plate is installed on one side of the coarse screen guide plate, a guide hole is provided on the inner side of the coarse screen guide plate, a backwash elbow is provided on one side of the second guide shell, a slag discharge pipe is provided on the other side of the second guide shell, a sealing plug is installed on the inner side of the slag discharge pipe, and a steering transmission mechanism is installed on the inner side of the other end of the first guide shell.

[0006] Preferably, the water pump mechanism includes a water pump housing, a bearing body, a water pump mounting seat, a pump shaft and a water outlet end. The water pump mounting seat is fixedly installed on the bottom end of the water pump housing, and the water outlet end is provided at the upper end of the water pump housing. The bearing body is installed at one end of the water pump housing, and the pump shaft is installed on the inner side of the bearing body. A coupling is installed at one end of the pump shaft, and a water pump motor is installed at one end of the coupling.

[0007] Preferably, the steering transmission mechanism includes a transmission motor, a motor shaft, a transmission shaft, a sealing retaining sleeve, a limit inspection cover, a gear sealing box, a first bevel gear, a second bevel gear and a crushing disk. The motor shaft is installed at the bottom end of the transmission motor, a sealing retaining sleeve is installed on the outside of the motor shaft, a first bevel gear is installed on the outside of the middle part of the motor shaft, a second bevel gear is installed on one side of the first bevel gear, a transmission shaft is installed on the inside of the second bevel gear, a crushing disk is installed at one end of the transmission shaft, a gear sealing box is installed on the outside of the second bevel gear, and a limit inspection cover is installed on the outside of the bottom end of the motor shaft.

[0008] Preferably, the first guide shell and the second guide shell are fixed by screws, and the first guide shell and the second guide shell are connected to two arc-shaped sealing strips through sealing rings. A groove is provided on the inner side of the arc-shaped sealing strip, and the outer sides of the first mounting ring and the second mounting ring extend to the inner side of the groove.

[0009] Preferably, the arc-shaped sealing strip is connected to the first mounting ring and the second mounting ring through flat keys, the first mounting ring is fixed to the coarse screen guide plate by screws, and the second mounting ring is fixed to the fine screen guide plate by screws, and a filter hole is provided on the inner side of the fine screen guide plate.

[0010] Preferably, six annular crushing bars are provided on both sides of the crushing disk, and the twelve annular crushing bars are equally divided into six groups. The diameter of the annular crushing bars in each group decreases successively, and the coarse screen guide plate and the fine screen guide plate are connected to the crushing disk through the annular crushing bars.

[0011] Preferably, the second guide shell is connected to the water outlet end through a backwash elbow, the slag discharge pipe is welded and fixed to the second guide shell, a handle is provided at one end of the slag discharge pipe, one end of the handle passes through the slag discharge pipe and is connected to the sealing plug through a flat key, the handle is connected to the slag discharge pipe through a threaded connection, and slag discharge holes are provided at both ends of the slag discharge pipe.

[0012] Preferably, the sealing retaining sleeve is fixed to the first guide shell by screws, the bottom end of the motor shaft passes through the sealing retaining sleeve, the first bevel gear and the gear sealing box and extends to the inner side of the limit inspection cover, and the bottom end of the motor shaft is connected to the first guide shell through the limit inspection cover.

[0013] Preferably, a bracket is provided on the outside of the gear sealing box, the gear sealing box is fixed to the first guide shell through the bracket, and one end of the transmission shaft passes through one side of the gear sealing box and is connected to the second bevel gear through a flat key.

[0014] Preferably, the motor shaft is connected to the first bevel gear via a flat key, the motor shaft is connected to the transmission shaft via the first bevel gear and the second bevel gear, and the interior of the gear sealing box is filled with gear oil.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention drives the motor shaft to rotate inside the gear sealing box through the transmission motor. The motor shaft and the transmission shaft are connected through the first bevel gear and the second bevel gear, so that the motor shaft can easily drive the transmission shaft to rotate through the first bevel gear and the second bevel gear. The axis of the transmission shaft coincides with the axis of the first guide shell, so that the transmission shaft drives the crushing disk to rotate inside the coarse screen guide disk and the fine screen guide disk, thereby realizing a double crushing operation of impurities.

[0017] 2. The present invention drives the annular crushing bar to rotate on the inner side of the coarse screen guide plate and the fine screen guide plate through the crushing disk. A guide hole is provided on the inner side of the coarse screen guide plate, and a filter hole is provided on the inner side of the fine screen guide plate, so that in the process of the annular crushing bar crushing impurities in the sewage, the coarse screen guide plate and the fine screen guide plate can be used to filter the impurities before and after crushing, and the sewage discharged from the outlet end is diverted and refluxed through the backwashing elbow, so that the interior of the second guide shell can be backwashed through the backwashing elbow, thereby ensuring the cleanliness of both sides of the fine screen guide plate and avoiding the situation where impurities are stuck on the inner side of the fine screen guide plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural diagram of the present invention as a whole;

[0019] Figure 2 This is a structural diagram of the filtration backwashing mechanism of the present invention;

[0020] Figure 3 Schematic diagram of the cross-sectional structure of the steering transmission mechanism of the present invention;

[0021] Figure 4 Schematic diagram of the cross-sectional structure of the motor shaft of the present invention;

[0022] Figure 5 It is a partial cross-sectional structural diagram of the pulverizing disk of the present invention;

[0023] Figure 6 It is a structural schematic diagram of the coarse screen guide plate of the present invention.

[0024] In the figure: 1. water pump motor; 2. water pump mechanism; 201. water pump housing; 202. bearing body; 203. water pump mounting base; 204. pump shaft; 205. water outlet end; 3. coupling; 4. steering transmission mechanism; 401. transmission motor; 402. motor shaft; 403. transmission shaft; 404. sealing retaining sleeve; 405. limit inspection cover; 406. gear sealing box; 407. first bevel gear; 408. second bevel gear; 409. crushing disc; 5. filter backwash mechanism; 501. first guide shell; 502. second guide shell; 503. arc sealing strip; 504. first mounting ring; 505. second mounting ring; 506. coarse screen guide plate; 507. fine screen guide plate; 508. backwash elbow; 509. slag discharge pipe; 510. sealing plug; 511. diversion hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] The water pump motor 1 (model YS7134) and the transmission motor 401 (model GV50-3.7KW-60-S) mentioned in the present invention can be purchased from the market or customized.

[0027] See also Figures 1 to 6, an embodiment of the present invention provides: an anti-clogging water pump for sewage treatment and transportation, including a water pump mechanism 2, a filtering backwashing mechanism 5 is installed at one end of the water pump mechanism 2, the filtering backwashing mechanism 5 includes a first guide shell 501, a second guide shell 502, an arc-shaped sealing strip 503, a first mounting ring 504, a second mounting ring 505, a coarse screen guide plate 506, a fine screen guide plate 507, a backwashing elbow 508, a slag discharge pipe 509, a sealing plug 510 and a guide hole 511, one end of the first guide shell 501 is installed with the second guide shell 502, two arc-shaped sealing strips 503 are installed on the inner sides of the first guide shell 501 and the second guide shell 502, the inner sides of the two arc-shaped sealing strips 503 are installed with the first mounting ring 504, and the second mounting ring is installed on one side of the first mounting ring 504. 505. A coarse screen guide plate 506 is installed on the inner side of the first mounting ring 504 and the second mounting ring 505. A fine screen guide plate 507 is installed on one side of the coarse screen guide plate 506. The coarse screen guide plate 506 and the fine screen guide plate 507 are used to facilitate filtering of impurities before and after crushing. A guide hole 511 is provided on the inner side of the coarse screen guide plate 506, a backwash elbow 508 is provided on one side of the second guide shell 502, and a slag discharge pipe 509 is provided on the other side of the second guide shell 502. A sealing plug 510 is installed on the inner side of the slag discharge pipe 509, and a steering transmission mechanism 4 is installed on the inner side of the other end of the first guide shell 501. The overall structure effectively avoids clogging of the water pump by filtering impurities in the sewage and performing double crushing operations, and facilitates backwashing of the filter structure, thereby maintaining service life and reducing maintenance frequency.

[0028] Furthermore, the water pump mechanism 2 includes a water pump housing 201, a bearing body 202, a water pump mounting base 203, a pump shaft 204 and a water outlet end 205. The water pump mounting base 203 is fixedly installed at the bottom end of the water pump housing 201, and the water outlet end 205 is provided at the upper end of the water pump housing 201. The second guide shell 502 is connected to the water outlet end 205 through a backwash elbow 508. The bearing body 202 is installed at one end of the water pump housing 201, and the pump shaft 204 is installed on the inner side of the bearing body 202. A coupling 3 is installed at one end of the pump shaft 204, and a water pump motor 1 is installed at one end of the coupling 3. The water pump mechanism 2 facilitates centrifugal transportation of sewage.

[0029] Furthermore, the steering transmission mechanism 4 includes a transmission motor 401, a motor shaft 402, a transmission shaft 403, a sealing sleeve 404, a limit inspection cover 405, a gear sealing box 406, a first bevel gear 407, a second bevel gear 408 and a crushing disk 409. The motor shaft 402 is installed at the bottom end of the transmission motor 401, the sealing sleeve 404 is installed on the outside of the motor shaft 402, the first bevel gear 407 is installed on the outside of the middle part of the motor shaft 402, the second bevel gear 408 is installed on one side of the first bevel gear 407, and the transmission shaft is installed on the inside of the second bevel gear 408. 403, a crushing disk 409 is installed at one end of the transmission shaft 403, a gear sealing box 406 is installed on the outside of the second bevel gear 408, and a limited inspection cover 405 is installed on the outside of the bottom end of the motor shaft 402. Six annular crushing bars are provided on both sides of the crushing disk 409, and the twelve annular crushing bars are equally divided into six groups. The diameter of each group of annular crushing bars decreases successively. The coarse screen guide plate 506 and the fine screen guide plate 507 are connected to the crushing disk 409 through the annular crushing bars. The coarse screen guide plate 506 and the fine screen guide plate 507 are convenient for realizing the double crushing operation of sewage impurities by the crushing disk 409.

[0030] Furthermore, the arc-shaped sealing strip 503 is connected to the first mounting ring 504 and the second mounting ring 505 by a flat key, the first mounting ring 504 is fixed to the coarse screen guide plate 506 by screws, and the second mounting ring 505 is fixed to the fine screen guide plate 507 by screws. The inner side of the fine screen guide plate 507 is provided with a filter hole, and the coarse screen guide plate 506 and the fine screen guide plate 507 facilitate filtering of impurities before and after crushing.

[0031] Furthermore, the sealing retaining sleeve 404 is fixed to the first guide shell 501 by screws, and the bottom end of the motor shaft 402 passes through the sealing retaining sleeve 404, the first bevel gear 407 and the gear sealing box 406 and extends to the inner side of the limit inspection cover 405. The bottom end of the motor shaft 402 is connected to the first guide shell 501 through the limit inspection cover 405, and the motor shaft 402 is connected to the transmission shaft 403 through the first bevel gear 407 and the second bevel gear 408, so that the motor shaft 402 can easily drive the transmission shaft 403 to rotate through the first bevel gear 407 and the second bevel gear 408.

[0032] When in use, check whether the functions of each part are intact, connect and fix the second guide shell 502 to the water pump housing 201 with screws, connect the first guide shell 501 to the sewage pipe, and provide a bracket on the outside of the gear sealing box 406 so that the gear sealing box 406 and the first guide shell 501 are connected and fixed through the bracket. Turn on the power and start the water pump motor 1 so that the water pump motor 1 drives the pump shaft 204 to rotate through the coupling 3, and then the pump shaft 204 drives the impeller inside the water pump housing 201 to rotate, so as to realize the sewage transportation operation. Start the transmission during the sewage transportation process. The motor 401 drives the motor shaft 402 to rotate inside the gear sealing box 406 under the support of the sealing sleeve 404. The sealing sleeve 404 and the limit inspection cover 405 are convenient for maintaining the stability of the rotation of the motor shaft 402. The motor shaft 402 is connected to the transmission shaft 403 through the first bevel gear 407 and the second bevel gear 408, so that the motor shaft 402 can easily drive the transmission shaft 403 to rotate through the first bevel gear 407 and the second bevel gear 408. The axis of the transmission shaft 403 coincides with the axis of the first guide shell 501, so that the transmission shaft 403 The crushing disc 409 is driven to rotate inside the coarse screen guide disc 506 and the fine screen guide disc 507. Six annular crushing bars are provided on both sides of the crushing disc 409. The twelve annular crushing bars are equally divided into six groups. The diameter of each group of annular crushing bars decreases in sequence. The coarse screen guide disc 506 and the fine screen guide disc 507 are connected to the crushing disc 409 through the annular crushing bars, so that the crushing disc 409 drives the annular crushing bars to rotate inside the coarse screen guide disc 506 and the fine screen guide disc 507. A guide hole 511 is provided on the inner side of the coarse screen guide disc 506, and a guide hole 511 is provided on the inner side of the fine screen guide disc 507. The filter holes make it easy to filter the impurities before and after the crushing through the coarse screen guide plate 506 and the fine screen guide plate 507 during the process of the annular crushing bar crushing the impurities in the sewage. The sewage discharged from the outlet end 205 is diverted and refluxed through the backwashing elbow 508, so that the interior of the second guide shell 502 can be backwashed through the backwashing elbow 508, thereby ensuring the cleanliness of both sides of the fine screen guide plate 507 and avoiding the situation where impurities are stuck on the inside of the fine screen guide plate 507. The sealing plug 510 on the inside of the slag discharge pipe 509 is used to discharge the backwash residue.

[0033] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An anti-clogging water pump for sewage treatment and transportation, characterized by: It comprises a water pump mechanism (2), one end of which is equipped with a filter backwash mechanism (5). The filtering backwashing mechanism (5) comprises a first guide shell (501), a second guide shell (502), an arc-shaped sealing strip (503), a first mounting ring (504), a second mounting ring (505), a coarse screen guide plate (506), a fine screen guide plate (507), a backwashing elbow (508), a slag discharge pipe (509), a sealing plug (510), and a guide hole (511); A second guide shell (502) is installed at one end of the first guide shell (501), two arc-shaped sealing strips (503) are installed on the inner sides of the first guide shell (501) and the second guide shell (502), a first mounting ring (504) is installed on the inner sides of the two arc-shaped sealing strips (503), a second mounting ring (505) is installed on one side of the first mounting ring (504), and a coarse screen guide plate (506) is installed on the inner sides of the first mounting ring (504) and the second mounting ring (505); A fine screen guide plate (507) is installed on one side of the coarse screen guide plate (506), a guide hole (511) is provided on the inner side of the coarse screen guide plate (506), a backwash elbow (508) is provided on one side of the second guide shell (502), a slag discharge pipe (509) is provided on the other side of the second guide shell (502), a sealing plug (510) is installed on the inner side of the slag discharge pipe (509), and a steering transmission mechanism (4) is installed on the inner side of the other end of the first guide shell (501); The steering transmission mechanism (4) comprises a transmission motor (401), a motor shaft (402), a transmission shaft (403), a sealing sleeve (404), a position-limiting inspection cover (405), a gear sealing box (406), a first bevel gear (407), a second bevel gear (408) and a crushing disc (409), wherein the motor shaft (402) is mounted on the bottom end of the transmission motor (401), the sealing sleeve (404) is mounted on the outside of the motor shaft (402), the first bevel gear (407) is mounted on the outside of the middle portion of the motor shaft (402), the second bevel gear (408) is mounted on one side of the first bevel gear (407), the transmission shaft (403) is mounted on the inside of the second bevel gear (408), the crushing disc (409) is mounted on one end of the transmission shaft (403), the gear sealing box (406) is mounted on the outside of the second bevel gear (408), and the position-limiting inspection cover (405) is mounted on the outside of the bottom end of the motor shaft (402); Six annular crushing bars are provided on both sides of the crushing disk (409), and the twelve annular crushing bars are equally divided into six groups, and the diameters of the annular crushing bars in each group decrease in sequence. The coarse screen guide plate (506) and the fine screen guide plate (507) are both connected to the crushing disk (409) via the annular crushing bars; The second guide shell (502) is connected to the water outlet end (205) via a backwash elbow (508), the slag discharge pipe (509) is welded and fixed to the second guide shell (502), one end of the slag discharge pipe (509) is provided with a handle, one end of the handle passes through the slag discharge pipe (509) and is connected to the sealing plug (510) via a flat key, the handle is connected to the slag discharge pipe (509) via a thread, and both ends of the slag discharge pipe (509) are provided with slag discharge holes.

2. The anti-clogging water pump for sewage treatment and transportation according to claim 1, characterized in that: The water pump mechanism (2) comprises a water pump housing (201), a bearing body (202), a water pump mounting seat (203), a pump shaft (204) and a water outlet end (205); the water pump mounting seat (203) is fixedly mounted on the bottom end of the water pump housing (201); the water outlet end (205) is provided on the upper end of the water pump housing (201); the bearing body (202) is mounted on one end of the water pump housing (201); the pump shaft (204) is mounted on the inner side of the bearing body (202); a coupling (3) is mounted on one end of the pump shaft (204); and a water pump motor (1) is mounted on one end of the coupling (3).

3. The anti-clogging water pump for sewage treatment and transportation according to claim 1, characterized in that: The first guide shell (501) and the second guide shell (502) are fixed by screw connection. The first guide shell (501) and the second guide shell (502) are both connected to two arc-shaped sealing strips (503) through sealing rings. A groove is provided on the inner side of the arc-shaped sealing strip (503). The outer sides of the first mounting ring (504) and the second mounting ring (505) extend to the inner side of the groove.

4. The anti-clogging water pump for sewage treatment and transportation according to claim 1, characterized in that: The arc-shaped sealing strip (503) is connected to the first mounting ring (504) and the second mounting ring (505) via flat keys; the first mounting ring (504) is fixed to the coarse screen guide plate (506) via screws; the second mounting ring (505) is fixed to the fine screen guide plate (507) via screws; and the inner side of the fine screen guide plate (507) is provided with a filter hole.

5. The anti-clogging water pump for sewage treatment and transportation according to claim 3, characterized in that: The sealing retaining sleeve (404) is fixed to the first guide housing (501) by screw connection, the bottom end of the motor shaft (402) passes through the sealing retaining sleeve (404), the first bevel gear (407) and the gear sealing box (406) and extends to the inner side of the position limiting inspection cover (405), and the bottom end of the motor shaft (402) is connected to the first guide housing (501) via the position limiting inspection cover (405).

6. The anti-clogging water pump for sewage treatment and transportation according to claim 3, characterized in that: A bracket is provided on the outside of the gear sealing box (406), and the gear sealing box (406) and the first guide housing (501) are connected and fixed via the bracket. One end of the transmission shaft (403) passes through one side of the gear sealing box (406) and is connected to the second bevel gear (408) via a flat key.

7. The anti-clogging water pump for sewage treatment and transportation according to claim 3, characterized in that: The motor shaft (402) is connected to the first bevel gear (407) via a flat key, the motor shaft (402) is connected to the transmission shaft (403) via the first bevel gear (407) and the second bevel gear (408), and the interior of the gear sealing box (406) is filled with gear oil.

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