CN118066145B

CN118066145B - A submersible sand pump with automatic exhaust device

Info

Publication number: CN118066145B
Application number: CN202410267654.4A
Authority: CN
Inventors: 李盼; 李二利
Original assignee: Shanglishi Group Shijiazhuang Pump Technology Co ltd
Current assignee: Shanglishi Group Shijiazhuang Pump Technology Co ltd
Priority date: 2024-03-08
Filing date: 2024-03-08
Publication date: 2024-11-29
Anticipated expiration: 2044-03-08
Also published as: CN118066145A

Abstract

The invention relates to the technical field of sand discharge pumps, and provides a submersible sand discharge pump with an automatic exhaust device, which comprises a pump body; the submersible sand pump comprises a pump body, an impeller, an air outlet, a pump body and a pump cover, wherein the pump body is provided with an air outlet, the impeller is rotatably arranged on the pump body, an air suction cavity is arranged between the impeller and the pump body, the impeller is used for sucking sediment and discharging the sediment into the air suction cavity after rotating, the pump body is provided with the air outlet, the air outlet is communicated with the air suction cavity, and the air outlet is used for discharging air in the air suction cavity.

Description

Submersible sand pump with automatic exhaust device

Technical Field

The invention relates to the technical field of sand discharge pumps, in particular to a submersible sand discharge pump with an automatic exhaust device.

Background

A submersible sand pump is a pump for transporting substances containing solid particles, sludge, sediment and the like. The motor and the pump are usually submerged in water coaxially, and the sewage treatment device has the characteristics of wear resistance, good corrosion resistance, large flow passage, strong sewage discharge capacity and the like. The submersible sand pump is widely applied to the fields of sand pumping, gold sand pumping, iron sand pumping, reservoir dredging, river dredging, sedimentation tank dredging, pond sludge, open caisson, mine sludge cleaning, coal slime pumping, fly ash treatment and the like.

The submersible sand discharging pump in the prior art is in use, the whole submersible sand discharging pump is often in a closed structure, so that in the use process, the liquid cannot effectively enter the impeller to form flow because of gas entering the pump body, and further the condition that sand discharging of the pump body is stopped is caused, the gas is required to be manually and timely discharged, the sand discharging effect of the pump body is guaranteed, and the problems of labor waste and lower working efficiency exist.

Disclosure of Invention

The invention provides a submersible sand pump with an automatic exhaust device, which solves the problem that in the prior art, liquid cannot effectively enter an impeller and cannot form flow because gas enters a pump body.

The technical scheme of the invention is as follows:

a submersible sand pump with an automatic exhaust, comprising:

A pump body;

the impeller is rotationally arranged on the pump body, a suction cavity is formed between the impeller and the pump body, and the impeller is used for sucking sediment and discharging the sediment out of the suction cavity after rotating;

the pump body is provided with an exhaust hole, the exhaust hole is communicated with the suction cavity, and the exhaust hole is used for exhausting gas in the suction cavity.

As a further technical scheme, after the impeller rotates, the suction cavity is sequentially divided into a first high-pressure area, a vacuum area and a second high-pressure area from the end part of the impeller, and the vacuum area and the first high-pressure area are communicated with the exhaust hole.

As a further technical scheme, the pump body further has a feeding channel, the suction cavity is communicated with the feeding channel, and further comprises:

The inducer is rotatably arranged in the feeding channel and is used for increasing the water flow pressure of the second high-pressure area after rotating.

As a further technical scheme, the method further comprises:

the feeding pipe is arranged on the pump body and communicated with the feeding channel, and the feeding pipe is used for being placed in the sediment.

As a further technical scheme, the method further comprises:

The main pipe is arranged on the feeding pipe;

The screen plate is arranged on the end part of the main pipe and is used for filtering sand and stone;

The inner pipe is rotatably arranged in the main pipe and communicated with the feeding pipe, and the inner pipe is used for stirring the sediment after rotation.

As a further technical scheme, the method further comprises:

The rotary vane is arranged on the end part of the inner pipe and is used for driving the inner pipe to rotate after being impacted by the sediment;

Stirring leaf rotates and sets up in the inner tube under silt impact drives stirring leaf rotates, stirring leaf rotates the back, is used for fully stirring silt.

As a further technical solution, the screen plate has a through hole, and further includes:

the installation rod is arranged on the rotary vane, penetrates through the through hole and is in sealing connection with the sieve plate;

the chassis is arranged on the mounting rod;

the group opening rods are hinged to the chassis, and after the rotary blades rotate, the group opening rods outwards rotate under the action of centrifugal force and are used for opening the large sediment blocks;

The first elastic piece is provided with a plurality of elastic pieces, one end of each elastic piece is arranged on the group opening rod, the other end of each elastic piece is arranged on the chassis, and the first elastic pieces are used for providing restoring force for the group opening rod.

As a further technical solution, the screen plate has a filtering hole, and further includes:

And the blocking plate is arranged on the main pipe and is provided with screening holes, and the aperture of each screening hole is larger than that of each filtering hole.

The working principle and the beneficial effects of the invention are as follows:

in order to solve the problem that in the prior art, liquid cannot effectively enter the impeller and flow cannot be formed because gas enters the pump body, because in the sand discharging process, if the condition that water flow is small and air enters the pump body occurs, the impeller is in a rotating state, the gas stays in the suction cavity under the double extrusion of the water flow in the pump and the outside suction water flow, and further the condition that the pump is stopped occurs is solved, so that the problem is solved in a targeted way, according to the scheme, the traditional closed impeller is replaced by the semi-closed impeller, the exhaust hole for exhausting is formed in the pump body, the exhaust hole is communicated with the suction cavity, and then internal gas is exhausted, so that continuous sand exhaust of the whole pump is guaranteed in the mode, a manual on-duty link is optimized, labor is greatly saved, meanwhile, the pump is in a working state at all times, the whole working efficiency is greatly improved, and the pump has extremely high practical value.

Drawings

The invention will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of the mounting components at the feed pipe in the present invention;

FIG. 3 is a schematic cross-sectional view of a mounting member at a feed tube;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic elevational cross-sectional view of a mounting member at the feed tube;

Fig. 6 is a partial enlarged view at B of fig. 5.

In the figure, 1, a pump body, 2, an impeller, 3, a suction cavity, 4, an exhaust hole, 5, a first high-pressure area, 6, a vacuum area, 7, a second high-pressure area, 8, a feeding channel, 9, an inducer, 10, a feeding pipe, 11, a main pipe, 12, a sieve plate, 13, an inner pipe, 14, a rotating blade, 15, a stirring blade, 16, a through hole, 17, an installation rod, 18, a chassis, 19, a cluster rod, 20, a first elastic piece, 23, a blocking plate, 24, a screening hole, 25 and a filtering hole.

Detailed Description

The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

As shown in fig. 1 to 6, this embodiment provides a submersible sand pump with an automatic exhaust device, including:

a pump body 1;

The impeller 2 is rotatably arranged on the pump body 1, a suction cavity 3 is formed between the impeller 2 and the pump body 1, and the impeller 2 is used for sucking sediment and discharging the sediment out of the suction cavity 3 after rotating;

the pump body 1 has an exhaust hole 4, the exhaust hole 4 communicates with the suction chamber 3, and the exhaust hole 4 is used for exhausting gas in the suction chamber 3.

In this embodiment, in order to solve the problem that in the prior art, the submersible sand discharge pump cannot effectively enter the impeller 2 because of the gas entering the pump body 1, and the liquid cannot effectively enter the impeller 2, because in the sand discharge process, if the condition that the water flow is small and air enters the pump body 1 occurs, the impeller 2 is in a rotating state, the gas can stay in the suction cavity 3 under the double extrusion of the water flow in the pump and the external suction water flow, and further the condition that the pump is stopped is caused, so that the problem is solved in a targeted manner, the scheme is that the traditional closed impeller 2 is replaced by the semi-closed impeller 2, meanwhile, the pump body 1 is provided with the exhaust hole 4 for exhausting, the exhaust hole 4 is communicated with the suction cavity 3, and then the internal gas is discharged, so that the continuous sand discharge of the whole pump is ensured, the manual guard link is optimized, the manual work is greatly saved, meanwhile, the pump is in a working state at all the time, the whole working efficiency is greatly improved, and the practical value is extremely high.

Further, after the impeller 2 rotates, the suction cavity 3 is sequentially divided into a first high-pressure area 5, a vacuum area 6 and a second high-pressure area 7 from the end part of the impeller 2, and the exhaust hole 4 is communicated with the vacuum area 6 and the first high-pressure area 5.

In this embodiment, since gas will enter the pump body 1 when the water supply is insufficient, after the water flow is recovered, due to the high-speed operation of the impeller 2, the internal water flow is guided to the end of the impeller 2 under the action of centrifugal force, that is, the suction cavity 3 is divided into a first high-pressure area 5, a vacuum area 6 and a second high-pressure area 7 at this moment, wherein the first high-pressure area 5 and the second high-pressure area 7 are both liquid, the vacuum area 6 is gas, in order to ensure smooth discharge of the gas, and meanwhile, continuous input of the water flow is not affected, in this scheme, the communication position of the air vent 4 is located in the vacuum area 6 and the first high-pressure area 5, in this way, on the basis of ensuring discharge of the gas, waste of the entering water flow is avoided, and further, the overall working efficiency is ensured, that is, even if the water supply is insufficient, the gas enters the impeller 2, the gas in the impeller 2 can still be effectively discharged after the water supply is sufficient, so that continuous flow is formed, and the pump has extremely high practical value.

Further, the pump body 1 is provided with a feeding channel 8, and the suction cavity 3 is communicated with the feeding channel 8 and further comprises:

The inducer 9 is rotatably arranged in the feeding channel 8, and the inducer 9 is used for increasing the water flow pressure of the second high-pressure area 7 after rotating.

In this embodiment, in order to provide a larger pressure and enable the vacuum chamber in the suction chamber 3 to be displaced towards the end, that is, ensure the communication state between the exhaust hole 4 and the vacuum chamber, the present scheme is provided with an inducer 9 for increasing the water inlet pressure in a feeding channel 8 for feeding, and the pressure in the second high-pressure area 7 is greater than the sum of the pressures in the vacuum area 6 and the first high-pressure area 5 by rotating the inducer 9 and the impeller 2 in a combined manner, so that the limited discharge of gas is ensured, and the present embodiment has a higher practical value.

Further, the method further comprises the following steps:

The feeding pipe 10 is arranged on the pump body 1 and is communicated with the feeding channel 8, and the feeding channel 8 is used for being placed in sediment.

Further, the method further comprises the following steps:

a main pipe 11 arranged on the feeding pipe 10;

A screen plate 12 arranged on the end of the main pipe 11, the screen plate 12 being used for filtering large sand;

The inner tube 13 is rotatably arranged in the main tube 11, the inner tube 13 is communicated with the feeding tube 10, and the inner tube 13 is used for stirring sediment after rotating.

In this embodiment, for guaranteeing the even entering of silt at the pan feeding in-process, avoid leading to the condition that the pump was blockked up because of silt agglomeration entering, this scheme installs the person in charge 11 on the pan feeding pipe 10 that is used for the pan feeding, wherein the tip that is responsible for 11 has sieve 12, it is isolated outside with the massive silt through sieve 12, avoid getting into the pump and cause to block up or damage, be in comparatively dispersive state when guaranteeing that silt is entered simultaneously, so that the pump is in higher sand sucking efficiency, this scheme still has the inner tube 13 that is used for stirring silt, silt gets into inner tube 13 after preliminary screening through sieve 12, its inner tube 13 rotates and stirs inside silt, guarantee the dispersion effect of silt input, and then make pump body 1 have higher work efficiency when extracting and discharging silt.

Further, the method further comprises the following steps:

The rotary vane 14 is arranged on the end part of the inner tube 13, and the rotary vane 14 is used for driving the inner tube 13 to rotate after being impacted by sediment;

Stirring vane 15 rotates and sets up in inner tube 13, and under silt impact, drive stirring vane 15 rotation, stirring vane 15 rotates the back, is used for fully stirring silt.

In this embodiment, for making inner tube 13 appear higher rotational efficiency, this scheme is through installing the rotary vane 14 on the tip of inner tube 13, and then in silt inhalation process, because the impact of silt drives rotary vane 14 and rotates, and then drive inner tube 13 and rotate, make inner tube 13 keep rotating state constantly at the pan feeding in-process, guaranteed the basic effect of silt dispersion, simultaneously for further improving holistic mixing efficiency, in this scheme, inner tube 13 internal rotation installs stirring leaf 15, because the continuous input of silt, stirring leaf 15 takes place to rotate under the impact equally, because rotary vane 14 and stirring leaf 15 appear the vertical state, the flow state of silt in the inner tube 13 is in irregular state, guaranteed the intensive mixing of silt promptly, further improved holistic work efficiency.

Further, the screen deck 12 has through holes 16, further comprising:

the mounting rod 17 is arranged on the rotary vane 14, penetrates through the through hole 16 and is in sealing connection with the sieve plate 12;

A chassis 18 provided on the mounting bar 17;

the plurality of the group opening rods 19 are hinged on the chassis 18, and after the rotary blades 14 rotate, the group opening rods 19 rotate outwards under the action of centrifugal force and are used for opening large-scale sediment;

The first elastic members 20 are provided with a plurality of first elastic members, one ends of the first elastic members are arranged on the group opening rod 19, the other ends of the first elastic members are arranged on the chassis 18, and the first elastic members 20 are used for providing restoring force for the group opening rod 19.

In this embodiment, because there is great lump in silt, for avoiding great lump to block up and lead to whole silt to let in flow reduction on screen plate 12, install installation pole 17 and base on rotatory leaf 14 in this scheme, wherein install the piece pole 19 that is used for inserting the piece silt on the articulated on the base, after installation pole 17 rotates along with rotatory leaf 14, because piece pole 19 articulates and installs on the tip of base, under centrifugal force's effect, piece pole 19 has the trend of outside pivoted, the piece pole 19 breaks up the piece silt promptly, and then direction screen plate 12 gets into in the inner tube 13 and carries out further dispersion stirring, simultaneously for guaranteeing continuous piece action, this scheme still has the first elastic component 20 that is used for restoring to the throne piece pole 19.

Further, the screen 12 has filter holes 25, and further includes:

a blocking plate 23 provided on the main pipe 11, the blocking plate 23 having a screening hole 24, the screening hole 24 having a larger diameter than the filtering hole 25.

In this embodiment, in order to avoid comparatively thick silt to strike the pipeline and lead to the life-span decline of pipeline and block up the inlet port and lead to unable inhalable condition, this scheme installs barrier plate 23 at the tip of being responsible for 11, wherein the aperture of barrier plate 23's screening hole 24 is greater than the filtration pore 25 of sieve 12, when big silt was inhaled, too big silt was blocked behind screening hole 24 by barrier plate 23, other little silt was got into and is blocked by sieve 12 and carry out dispersion treatment through screening hole 24, guaranteed that big material is outside the suction position constantly, avoided striking and the circumstances of jam, has higher practical value.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims

1. A submersible sand pump with an automatic exhaust device, characterized in that it includes:

A pump body (1), wherein the pump body (1) has a feed channel (8);

An impeller (2) is rotatably arranged on the pump body (1), a suction chamber (3) is provided between the impeller (2) and the pump body (1), and after the impeller (2) rotates, the impeller (2) is used to suck in and discharge mud and sand into the suction chamber (3);

The pump body (1) has an exhaust hole (4), the exhaust hole (4) is in communication with the suction chamber (3), and the exhaust hole (4) is used to exhaust gas in the suction chamber (3);

A feed pipe (10) is arranged on the pump body (1) and is in communication with the feed channel (8); the feed pipe (10) is used to be placed in the mud;

A main pipe (11) arranged on the feed pipe (10);

A sieve plate (12) is arranged on the end of the main pipe (11), the sieve plate (12) having a through hole (16), and the sieve plate (12) is used to filter sand and gravel;

an inner tube (13) rotatably disposed in the main tube (11), the inner tube (13) being in communication with the feed tube (10), and the inner tube (13) being used to stir the silt after rotating;

A rotary blade (14) is arranged on the end of the inner tube (13), and the rotary blade (14) is used to drive the inner tube (13) to rotate after being impacted by the mud and sand;

A stirring blade (15) is rotatably disposed in the inner tube (13), and is driven to rotate by the impact of the silt. After the stirring blade (15) rotates, it is used to fully stir the silt;

A mounting rod (17) disposed on the rotary blade (14), passing through the through hole (16) and being sealed and connected to the screen plate (12);

A chassis (18) disposed on the mounting rod (17);

There are a plurality of de-agglomeration rods (19) which are hingedly arranged on the chassis (18); after the rotary blades (14) rotate, the de-agglomeration rods (19) rotate outwards under the action of centrifugal force, so as to be used to de-agglomerate large pieces of mud and sand;

A plurality of first elastic members (20) are provided, one end of which is arranged on the ball-opening rod (19) and the other end of which is arranged on the chassis (18). The first elastic member (20) is used to provide a force for resetting the ball-opening rod (19).

2. A submersible sand pump with an automatic exhaust device according to claim 1, characterized in that after the impeller (2) rotates, the suction chamber (3) is divided into a first high-pressure area (5), a vacuum area (6) and a second high-pressure area (7) from the end of the impeller (2), and the vacuum area (6) and the first high-pressure area (5) are both connected to the exhaust hole (4).

3. The submersible sand removal pump with an automatic exhaust device according to claim 2, characterized in that the suction chamber (3) is connected to the feed channel (8), and further comprises:

An inducer (9) is rotatably disposed in the feed channel (8); after the inducer (9) rotates, it is used to increase the water flow pressure in the second high-pressure zone (7).

4. A submersible sand removal pump with an automatic exhaust device according to claim 3, characterized in that the sieve plate has filter holes (25), and further comprising:

A blocking plate (23) is arranged on the main pipe (11), the blocking plate (23) having a screening hole (24), the aperture of the screening hole (24) being larger than the filter hole (25).