CN210003509U - cutting homogenizing pump for sewage intercepting well - Google Patents

Abstract

The utility model relates to an cut dirty well and homogenize pump, including the host computer shell, be equipped with outlet box, lifting hole, rotatory sign arch on the host computer shell, be equipped with the motor in the host computer shell, motor rotating shaft end is equipped with main pivot, be equipped with on the main pivot and spray the import, ring gear, homogenize the device including homogenize the impeller, spray the exit tube, spray the export, main pivot overcoat is equipped with the rotary drum, be equipped with the second ring gear on the rotary drum, cutting impeller, main impeller, the host computer shell lower extreme is equipped with casing, second casing, volute in proper order, be equipped with machine seal, support ring in the casing, spray the injection mouth, be equipped with second machine seal, planetary gear in the second casing, the third machine seal, be equipped with the leakage fluid dram in the volute, the utility model discloses a cut dirty well and homogenize the pump, cutting efficiency is high, effectual, homogenize impeller, cutting impeller rotates with opposite direction, and cutting effect.

Description

cutting homogenizing pump for sewage intercepting well

Technical Field

The utility model relates to a pump technical field, in particular to cut dirty well and homogenize the pump with the cutting.

Background

A pump for delivering or pressurizing a fluid. It is transferred to the liquid by the mechanical energy of the prime mover or other external energy, causing the liquid energy to increase. In daily life and production, pumps are used to transport liquids such as water, oil, acid-base solutions, emulsions, suspoemulsions, and liquid metals, and to transport liquids, gas mixtures, and liquids containing suspended solids. According to the working principle, the pumps are generally divided into: positive displacement pumps, dynamic pumps and other types of pumps. Meanwhile, the method can be divided into the following steps according to the purposes: mortar pumps, submersible pumps, sewage pumps, and the like.

The sewage pump, it is sewage treatment pumps, the pump body and motor are conjoined, and submerge under the liquid to work, the sewage pump has the advantages of small vibration noise, low motor temperature rise, no pollution to the environment, its working condition is characterized by long continuous operation time, complex raw liquid composition structure, therefore, in order to reduce the load of the sewage pump and improve the efficiency of the sewage pump, an automatic stirring device (stirring component) rotating along with the motor shaft is added at the inlet end of the sewage pump, thereby generating strong stirring force, and the sediment in the sewage can be stirred into suspended substance by the built-in broad runner volute impeller, sucked into the pump and discharged, and the anti-blocking and sewage discharge capabilities of the pump are improved.

1. The stirring impeller simultaneously performs stirring and cutting work, and has low efficiency and poor effect;

2. when the homogenizing impeller and the volute impeller are coaxial and rotate at the same angular speed of , dirt is easy to be clamped into the clearance, and the load of the motor is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that exists among the background art, the utility model provides an kind cut dirty well and homogenize the pump, homogenize, cut efficient, effectual, homogenize impeller, cutting impeller and rotate with opposite direction, and cutting effect is good, reduces the motor load.

The utility model provides a technical scheme who adopts is:

kind cut dirty well and homogenize pump with cutting, including the mainframe shell, the top of mainframe shell is provided with outlet box, lewis hole, rotation sign arch, is provided with in the mainframe shell with outlet box internal terminal electrical connection's motor, the rotation axis of motor is perpendicular and establish.

The fixed hollow main pivot that is provided with of rotation axis end of motor, the lower extreme of main pivot seals the setting, has set gradually rather than inside communicating import, the ring gear of spraying, has stirred the device in the main pivot from top to bottom, stir the device and set up in the end of main pivot, stir the device and include the impeller that homogenizes that sets up along the direction of rotation downward sloping, the direction of rotation rear end that homogenizes the impeller is fixed be provided with main pivot in communicating spray exit tube, be provided with a plurality of spray outlets on the spray exit tube.

The lower end of the main case is fixedly provided with an th case, a second case and a volute in sequence.

casing sets up to the hollow ring structure that the inner wall was equipped with the annular groove, and the trompil department of casing upper end is provided with the machine that seals with main pivot sealing connection, and the fixed support ring that is provided with between the trompil department at the upper and lower both ends of casing inboard, the support ring is improved level and is provided with a plurality of water holes of crossing, cross the water hole and set up in the outside that sprays the import, run through on the lateral wall that machine sealed and be provided with the notes mouth of sweeping.

The second casing sets up to the hollow ring structure that the inner wall was equipped with the annular groove to the aperture of second casing lower extreme trompil is greater than upper end trompil aperture, and the trompil department at the inboard upper and lower both ends of second casing is provided with respectively and seals, the third machine with main pivot sealing connection's second machine, the rotation is provided with a plurality ofly on the second casing of second machine below and ring gear engaged with planetary gear.

The upper portion of volute sets up to the hollow annular structure that the inner wall was equipped with annular groove, and the lower part of volute sets up to the big horn-shaped structure in top in below, and the middle part internal fixation of volute is provided with upper and lower two-layer annular baffle, runs through on the volute lateral wall of upper baffle top and is provided with the leakage fluid dram.

The outer rotating sleeve of the main rotating shaft is provided with a rotating cylinder, the rotating cylinder sequentially penetrates through the th machine shell, the second machine shell and the volute and reaches the bottom of the volute, a second toothed ring meshed with the planetary gear is arranged on the inner wall of the upper end of the rotating cylinder, a cutting impeller and a main impeller are sequentially and fixedly arranged on the outer wall of the lower portion of the rotating cylinder from bottom to top, the cutting impeller is arranged between two partition plates of the volute, and the main impeller is arranged beside an upper partition plate of the volute in the liquid discharge port.

The rotation axis end of main pivot passes machine in the casing in proper order and seals, the second machine in the second casing seals and the third machine seals, until the bottom of volute, homogenize the impeller and set up in the below of volute lower floor's baffle, spray the water hole of crossing that establishes on import, the support ring, spray the hollow pipeline of import, main pivot, spray the exit tube, spout and sweep the notes mouth and set up to being linked together.

, a motor support cover and a motor seal cover are arranged at the opening of the upper end of the casing, a rotating shaft of a motor is inserted into the opening of the motor support cover, and the opening of the motor seal cover is sealed and fixedly connected with the static ring of the machine seal.

, arranging annular gear boxes at openings at the upper end of the second casing, arranging annular clamping grooves on the lower end face of the gear boxes, sealing and fixedly connecting the openings of the gear boxes with a stationary ring of the second machine seal, and arranging planetary gears in the gear boxes in a circular array around the central axis thereof;

the opening of the lower end of the second casing is provided with a gear box supporting cover and a pump cover, the gear box supporting cover is clamped in an annular clamping groove formed in the lower end face of the gear box, and the opening of the pump cover is sealed and fixedly connected with a static ring of a third mechanical seal.

, the spraying outlet is perpendicular to the blade surface of the homogenizing impeller and is arranged obliquely upwards to clean the cutting impeller.

, arranging a plurality of liquid inlets distributed along the central axis of the liquid inlets in a circular array on the horn-shaped side wall at the lower part of the volute;

the edge of the inner ring of the upper partition plate of the volute is provided with a round chamfer;

the plate surface of the lower partition plate of the volute is provided with a plurality of fan-shaped through holes distributed along the central axis in a circular array.

, the cutting impeller is configured as a curved blade that projects outwardly in the direction of rotation of the drum.

The utility model discloses the advantage of device lies in:

1. water spraying is additionally arranged, the stirring efficiency is improved, and the liquid inlet is prevented from being blocked by dirt in the sewage;

2. the homogenizing device homogenizes the sewage at the bottom, and meanwhile, the inclined homogenizing impeller and the main impeller are matched with each other to improve the liquid conveying efficiency;

3. the cutting impeller and the turning direction that homogenizes device and main impeller are opposite, improve the effect of cutting, prevent that the filth in the sewage from blockking up the inlet.

Drawings

In order to illustrate the embodiments of the present invention more clearly, reference will now be made to the accompanying drawings, which are needed in the description and which are an illustration of the embodiments of the invention.

FIG. 1 is a schematic sectional view of a cutting homogenizing pump for types of sewage intercepting wells according to an embodiment of the present invention;

fig. 2 is a schematic diagram showing a partial enlargement of a cutting homogenizing pump for types of sewage intercepting wells according to an embodiment of the present invention;

fig. 3 is a partial enlarged schematic view of cutting homogenizing pumps for sewage interception wells according to the embodiment of the present invention.

In the figure:

11. a main case, 111, an outlet box, 112, a hanging hole, 113, a rotary mark bulge, 114, a motor,

12. th casing, 121 st th mechanical seal, 122 st support ring, 123 st spraying and sweeping injection nozzle,

13. a second machine shell 131, a second machine seal 132, a planetary gear 133, a third machine seal,

14. a scroll casing 141, a liquid discharge port,

2. a main rotating shaft, 21, a spraying inlet, 22, th toothed rings, 23, a stirring device, 231, a stirring impeller, 232, a spraying outlet pipe, 233 and a spraying outlet,

3. a drum 31, a second toothed ring 32, a cutting impeller 33, a main impeller.

Detailed Description

In order to clearly and clearly illustrate the specific implementation objects and embodiments of the present invention, the technical solution of the present invention will be fully described below with reference to the accompanying drawings, and the described embodiments are some, but not all, of the embodiments of the present invention.

kind cut dirty well and use cutting homogenizing pump, as shown in fig. 1, including main chassis 11, the top of main chassis 11 is provided with outlet box 111, lewis hole 112, rotatory sign arch 113, is provided with in the main chassis 11 with outlet box 111 in the motor 114 of wiring terminal electrical connection, the rotation axis of motor 114 is perpendicular and establish.

As shown in fig. 2, the fixed hollow main pivot 2 that is provided with in rotation axis end of motor 114, the lower extreme of main pivot 2 seals the setting, has set gradually rather than inside communicating spraying inlet 21, ring gear 22 on the main pivot 2 from top to bottom, homogenizes device 23, as shown in fig. 3, homogenize device 23 and set up in the end of main pivot 2, homogenize device 23 and include the impeller 231 that homogenizes that sets up along the direction of rotation downward sloping, homogenize the direction of rotation rear end of impeller 231 fixed be provided with main pivot 2 in communicating spraying outlet pipe 232, be provided with a plurality of outlets 233 that spray on spraying outlet pipe 232, the pipeline perpendicular to that sprays outlet 233 homogenizes the blade face of impeller 231 to the slope upwards sets up, is used for clearing up cutting impeller 32.

As shown in fig. 1, a th casing 12, a second casing 13 and a scroll 14 are sequentially and fixedly arranged at the lower end of the main casing 11.

As shown in fig. 1, the casing 12 is configured as a hollow ring structure having a ring-shaped groove on the inner wall, as shown in fig. 2, a motor supporting cover and a motor sealing cover are disposed at an opening at the upper end of the casing 12, a rotating shaft of the motor 114 is inserted into an opening of the motor supporting cover, a machine seal 121 sealingly connected to the main rotating shaft 2 is disposed at an opening at the upper end of the casing 12, the opening of the motor sealing cover is sealingly and fixedly connected to a stationary ring of the machine seal 121, a support ring 122 is fixedly disposed between openings at the upper and lower ends inside the casing 12, a plurality of water passing holes are horizontally disposed on the support ring 122, the water passing holes are disposed outside the spray inlet 21, as shown in fig. 1, and a spray and sweep injection port 123 is disposed on the side wall of the machine seal 121.

As shown in fig. 1, the second housing 13 is a hollow ring structure with a ring-shaped groove on the inner wall, and the aperture of the opening at the lower end of the second housing 13 is larger than the aperture of the opening at the upper end, as shown in fig. 2, a ring-shaped gear box is arranged at the opening at the upper end of the second housing 13, a ring-shaped slot is arranged on the lower end surface of the gear box, a second seal 131 and a third seal 133 which are hermetically connected with the main rotating shaft 2 are respectively arranged at the openings at the upper and lower ends inside the second housing 13, the opening of the gear box is hermetically and fixedly connected with the stationary ring of the second seal 131, a plurality of planet gears 132 which are meshed with the -th gear ring 22 are rotatably arranged on the second housing 13 below the second seal 131, the planet gears 132 are arranged in the gear box and are distributed around the central axis of the gear box in a circular array, a gear box support cover and a pump cover are arranged at the opening of the second housing 13, the gear box support cover is clamped in the ring-shaped slot arranged on the lower end surface of the gear box.

As shown in fig. 1, the upper portion of the scroll 14 is a hollow annular structure with an annular groove on the inner wall, the lower portion of the scroll 14 is a horn-shaped structure with a large lower portion and a small upper portion, a plurality of liquid inlets distributed along the circular array of the central axis are formed in the horn-shaped side wall of the lower portion of the scroll 14, an upper annular partition plate and a lower annular partition plate are fixedly arranged in the middle of the scroll 14, a liquid discharge port 141 is formed in the side wall of the scroll 14 above the upper partition plate in a penetrating manner, a circular chamfer is formed in the edge of the inner ring of the upper partition plate of the scroll 14, and a plurality of fan-shaped through holes distributed along the circular array of the central axis are formed in.

As shown in fig. 1, a rotating drum 3 is rotatably sleeved outside the main rotating shaft 2, the rotating drum 3 sequentially passes through the -th casing 12, the second casing 13 and the volute 14 to the bottom of the volute 14, as shown in fig. 2, a second ring gear 31 meshed with the planetary gear 132 is arranged on the inner wall of the upper end of the rotating drum 3, a cutting impeller 32 and a main impeller 33 are sequentially and fixedly arranged on the outer wall of the lower portion of the rotating drum 3 from bottom to top, as shown in fig. 3, the cutting impeller 32 is arranged between two partition plates of the volute 14, the cutting impeller 32 is a curved blade protruding outwards in the rotating direction of the rotating drum 3, and the main impeller 33 is arranged beside the upper partition plate of the volute 14 in the liquid discharge port 141.

As shown in fig. 1, the end of the rotation shaft of the main rotation shaft 2 sequentially passes through the mechanical seal 121 in the casing 12, the second mechanical seal 131 and the third mechanical seal 133 in the second casing 13 to the bottom of the scroll 14, as shown in fig. 3, the homogenizing impeller 231 is disposed below the lower partition of the scroll 14, and the spraying inlet 21, the water passing hole formed on the support ring 122, the spraying inlet 21, the hollow pipeline of the main rotation shaft 2, the spraying outlet 232 and the spraying and sweeping injection port 123 are communicated.

As shown in fig. 1, the rotation indication protrusion 113 clearly indicates the rotation direction of the motor 114, and the rotation direction of the main rotating shaft 2 is the same as the direction indicated by the rotation indication protrusion 113; the direction of rotation of the drum 3 is opposite to the direction indicated by the rotary indicator projection 113. The main rotating shaft 2 and the rotary drum 3 are externally clamped with U-shaped positioning snap rings to prevent the pump body from being damaged due to displacement along the vertical direction during high-speed rotation. The U-shaped positioning snap ring is the prior art, and the specific structure and the working principle of the U-shaped positioning snap ring are not repeated in the embodiment.

In light of the above-described embodiments of the present invention, various changes and modifications can be made by workers in the field without departing from the technical spirit of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (6)

1. The utility model provides a cut dirty well of kind and homogenize pump with cutting, including mainframe shell (11), the top of mainframe shell (11) is provided with outlet box (111), lewis hole (112), rotatory sign is protruding (113), is provided with in mainframe shell (11) with outlet box (111) internal terminal electric connection's motor (114), the rotation axis of motor (114) is perpendicular and establish, characterized in that:

   the end-to-end fixation of rotation axis of motor (114) is provided with hollow main shaft (2), the lower extreme of main shaft (2) seals the setting, has set gradually rather than inside communicating import (21) of spraying on main shaft (2) from top to bottom, ring gear (22), homogenizes device (23), homogenize device (23) and set up in the end of main shaft (2), homogenize device (23) including the impeller (231) that homogenizes that sets up along the direction of rotation downward sloping, homogenize the direction of rotation rear end fixed be provided with main shaft (2) interior communicating spray exit tube (232) of impeller (231), be provided with a plurality of spray exits (233) on spray exit tube (232),

   the lower end of the main machine shell (11) is fixedly provided with an th machine shell (12), a second machine shell (13) and a volute (14) in sequence,

   the casing (12) sets up to the hollow ring structure that the inner wall is equipped with the annular groove, the trompil department of casing (12) upper end is provided with the mechanical seal (121) with main rotating shaft (2) sealing connection, fixed support ring (122) that is provided with between the trompil department at the inboard upper and lower both ends of casing (12), support ring (122) are improved level and are provided with a plurality of water holes of crossing, it sets up in the outside of spraying inlet (21) to cross the water hole, it is provided with on the lateral wall of mechanical seal (121) to run through and spout sweeping injection mouth (123),

   the second machine shell (13) is a hollow annular structure with an annular groove on the inner wall, the aperture of the lower end opening of the second machine shell (13) is larger than that of the upper end opening, the openings of the upper end and the lower end of the inner side of the second machine shell (13) are respectively provided with a second machine seal (131) and a third machine seal (133) which are hermetically connected with the main rotating shaft (2), a plurality of planet gears (132) which are meshed with the th toothed ring (22) are rotatably arranged on the second machine shell (13) below the second machine seal (131),

   the upper part of the volute (14) is arranged to be a hollow annular structure with an annular groove on the inner wall, the lower part of the volute (14) is arranged to be a horn-shaped structure with a large lower part and a small upper part, an upper layer and a lower layer of annular clapboards are fixedly arranged in the middle part of the volute (14), a liquid discharge port (141) penetrates through the side wall of the volute (14) above the upper layer of clapboard,

   the main rotating shaft (2) is sleeved with a rotating drum (3) in a rotating mode, the rotating drum (3) sequentially penetrates through a -th machine shell (12), a second machine shell (13) and a volute (14) to the bottom of the volute (14), a second toothed ring (31) meshed with a planetary gear (132) is arranged on the inner wall of the upper end of the rotating drum (3), a cutting impeller (32) and a main impeller (33) are fixedly arranged on the outer wall of the lower portion of the rotating drum (3) from bottom to top in sequence, the cutting impeller (32) is arranged between two layers of partition plates of the volute (14), the main impeller (33) is arranged beside an upper partition plate of the volute (14) in a liquid discharge port (141),

   the rotation axis end of main pivot (2) passes in casing (12) in proper order and seals (121), second machine in second casing (13) seals (131) and third machine seals (133) until the bottom of volute (14), homogenize impeller (231) and set up in the below of volute (14) lower floor's baffle, spray the water hole of crossing that import (21), support ring (122) were established, spray the hollow pipeline of import (21), main pivot (2), spray exit tube (232), spout and sweep injection port (123) and set up to being linked together.
2. 2. The kind of well cutting and stirring pump for intercepting sewage of claim 1, wherein:

   the motor support cover and the motor sealing cover are arranged at the opening at the upper end of the th machine shell (12), the rotating shaft of the motor (114) is inserted into the opening of the motor support cover, and the opening of the motor sealing cover is sealed and fixedly connected with the static ring of the th machine seal (121).
3. 3. The kind of well cutting and stirring pump for intercepting sewage of claim 1, wherein:

   an annular gear box is arranged at an opening at the upper end of the second machine shell (13), an annular clamping groove is arranged on the lower end face of the gear box, the opening of the gear box is sealed and fixedly connected with a static ring of the second machine seal (131), and planetary gears (132) are arranged in the gear box in a circular array manner around the central axis of the gear box;

   a gear box supporting cover and a pump cover are arranged at the opening of the lower end of the second casing (13), the gear box supporting cover is clamped in an annular clamping groove formed in the lower end face of the gear box, and the opening of the pump cover is sealed and fixedly connected with a static ring of a third mechanical seal (133).
4. 4. The kind of well cutting and stirring pump for intercepting sewage of claim 1, wherein:

   the pipeline of the spraying outlet (233) is vertical to the blade surface of the homogenizing impeller (231) and is arranged obliquely upwards to clean the cutting impeller (32).
5. 5. The kind of well cutting and stirring pump for intercepting sewage of claim 1, wherein:

   a plurality of liquid inlets distributed along the central axis in a circular array are formed in the horn-shaped side wall at the lower part of the volute (14);

   the edge of an inner ring of the upper-layer clapboard of the volute (14) is provided with a round chamfer;

   the plate surface of the lower partition plate of the volute (14) is provided with a plurality of fan-shaped through holes distributed along the central axis in a circular array.
6. 6. The kind of well cutting and stirring pump for intercepting sewage of claim 1, wherein:

   the cutting impeller (32) is arranged as a curved blade projecting outwardly around the direction of rotation of the drum (3).

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