CN212867906U

CN212867906U - High-efficient water ring vacuum pump that air extraction volume is big

Info

Publication number: CN212867906U
Application number: CN202021702216.XU
Authority: CN
Inventors: 薛佳能; 泰云波; 梁大超; 马辉
Original assignee: Yunnan Huadian Inspection Division Power Generation Co ltd
Current assignee: Yunnan Huadian Inspection Division Power Generation Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-04-02
Anticipated expiration: 2030-08-14

Abstract

The utility model relates to a water ring vacuum pump technical field just discloses a high-efficient water ring vacuum pump that air extraction is big, including the pump body, pump cover and motor, the left side at the pump body is installed to the motor, the right side at the pump body is installed to the pump cover, the top fixedly connected with air inlet and the gas outlet of pump cover, both ends around the pump cover top are installed respectively to air inlet and gas outlet, the shape of air inlet cross section is the rectangle, the shape of gas outlet is cylindrical. The utility model discloses an at the top installation turbo charger of air inlet, and change the cross sectional shape of air inlet into the rectangle to can increase the air input, improve the raise the efficiency, and the impeller comprises ten arc shape's blade, and the even fixed connection of ten blades can reduce the resistance that the impeller produced with water when rotating through convex blade around the pivot, thereby further raise the efficiency.

Description

High-efficient water ring vacuum pump that air extraction volume is big

Technical Field

The utility model relates to a water ring vacuum pump technical field specifically is a high-efficient water ring vacuum pump that air extraction volume is big.

Background

The water ring vacuum pump is internally provided with an eccentric rotor with fixed blades, water (liquid) is thrown to the wall of a stator, the water (liquid) forms a liquid ring concentric with the stator, the liquid ring and the rotor blades form a rotary variable volume vacuum pump with variable volume, and the working principle of the water ring vacuum pump is as follows: when the impeller rotates, water is thrown to the periphery by the impeller, and under the action of centrifugal force, the water forms a closed circular ring which is approximately equal in thickness and is determined by the shape of a pump cavity, the inner surface of the upper part of the water ring is just tangent to the hub of the impeller, the inner surface of the lower part of the water ring is just contacted with the top end of a blade, a crescent space is formed between the hub of the impeller and the water ring, the space is divided into a plurality of small cavities with equal number of blades by the impeller, if the upper part of the impeller is 0 degree as a starting point, the volume of the small cavities is changed from small to large before the impeller rotates by 180 degrees and is communicated with an air suction port on the end surface, air is sucked at the moment, and the small cavities are isolated from the air; when the impeller continues to rotate, the small cavity is changed from big to small, so that the gas is compressed; when the small chamber is communicated with the exhaust port, the gas is exhausted out of the pump.

The existing water ring vacuum pump has the disadvantages of small air inlet amount and low efficiency, so the prior art needs to be improved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a high-efficient water ring vacuum pump that the extraction volume is big to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency water ring vacuum pump with large air suction amount comprises a pump body, a pump cover and a motor, wherein the motor is arranged on the left side of the pump body, the pump cover is arranged on the right side of the pump body, the top of the pump cover is fixedly connected with an air inlet and an air outlet, the air inlet and the air outlet are respectively arranged at the front end and the rear end of the top of the pump cover, the cross section of the air inlet is rectangular, the air outlet is cylindrical, a turbocharger is arranged at the top of the air inlet, the bottom of the turbocharger and the top of the air inlet are both fixedly connected with a second flange, the turbocharger and the second flange on the air inlet are fixedly connected through a second bolt and a nut, an impeller is arranged inside the pump body, a rotating shaft is arranged in the middle of the impeller, the impeller is fixedly connected around the rotating, the two ends of the rotating shaft are rotatably connected with the right side of the pump cover and the bearings on the left side of the pump body, the impeller is installed at the position, close to the inside of the pump body, the left side of the rotating shaft penetrates through the left side of the pump body and is fixedly connected with the right side of the motor, and a water inlet hole is formed in the top of the front side of the pump cover.

Preferably, the pump body, the pump cover and the motor are provided with a base below, the pump body, the pump cover and the motor are fixedly connected to the top of the base, and the base is placed on the ground.

Preferably, the right side of the pump body and the left side edge of the pump cover are fixedly connected with a first flange, the first flanges on the pump body and the pump cover are fixedly connected through a first bolt and a first nut, and a sealing ring is fixedly connected to the periphery of one adjacent side of the first flanges.

Preferably, the impeller consists of ten arc-shaped blades, ten blades are uniformly and fixedly connected to the periphery of the rotating shaft, and the arc-shaped blades can reduce the resistance between the impeller and water during rotation, so that the efficiency is improved.

Preferably, two adjacent sides of the flanges on the turbocharger and the air inlet are fixedly connected with sealing rings, the two flanges are cuboid, and the air inlet amount can be increased through the rectangular air inlet and the turbocharger.

Preferably, the air inlet and the air outlet are communicated with the interior of the pump body, and the structure of the air inlet and the air outlet is the same as that of the existing technology on the market.

Compared with the prior art, the utility model provides a high-efficient water ring vacuum pump that air extraction volume is big possesses following beneficial effect:

1. the utility model discloses an at the top installation turbo charger of air inlet, and change the cross sectional shape of air inlet into the rectangle to can increase the air input, improve the raise the efficiency, and the impeller comprises ten arc shape's blade, and the even fixed connection of ten blades can reduce the resistance that the impeller produced with water when rotating through convex blade around the pivot, thereby further raise the efficiency.

2. The utility model discloses a length with the pump body increases to simultaneously with the volume increase of blade on the impeller, thereby effectively raise the efficiency.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is an internal structural view of the pump body of the present invention;

fig. 4 is a right side view of the pump cover of the present invention;

fig. 5 is a structural view of the impeller of the present invention.

In the figure: the pump comprises a pump body 1, a pump cover 2, a motor 3, a first flange 4, a first bolt 5, a gas inlet 6, a turbocharger 7, a second flange 8, a second bolt 9, a gas outlet 10, an impeller 11, a rotating shaft 12 and a bearing 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution: a high-efficiency water ring vacuum pump with large air suction amount comprises a pump body 1, a pump cover 2 and a motor 3, wherein a base is arranged below the pump body 1, the pump cover 2 and the motor 3, the pump body 1, the pump cover 2 and the motor 3 are fixedly connected to the top of the base, the base is placed on the ground, the motor 3 is installed on the left side of the pump body 1, the pump cover 2 is installed on the right side of the pump body 1, flanges I4 are fixedly connected to the right side of the pump body 1 and the left side edge of the pump cover 2, the flanges I4 on the pump body 1 and the pump cover 2 are fixedly connected through bolts I5 and nuts, a sealing ring is fixedly connected to the periphery of one side adjacent to the two flanges I4, an air inlet 6 and an air outlet 10 are fixedly connected to the top of the pump cover 2, the air inlet 6 and the air outlet 10 are respectively installed at, the cross section of the air inlet 6 is rectangular, the air outlet 10 is cylindrical, a turbocharger 7 is installed at the top of the air inlet 6, the bottom of the turbocharger 7 and the top of the air inlet 6 are both fixedly connected with a second flange 8, one side of the turbocharger 7, which is adjacent to the second flange 8 on the air inlet 6, is fixedly connected with a sealing ring, the two second flanges 8 are cuboid, the air inflow can be increased through the rectangular air inlet 6 and the turbocharger 7, the turbocharger 7 and the second flange 8 on the air inlet 6 are fixedly connected through a second bolt 9 and a nut, an impeller 11 is installed inside the pump body 1, a rotating shaft 12 is arranged in the middle of the impeller 11, the impeller 11 is fixedly connected around the rotating shaft 12, the impeller 11 is composed of ten blades in an arc shape, the ten blades are uniformly and fixedly connected around the rotating shaft 12, and the arc blades can reduce the resistance force generated by the impeller 11, thereby improving the efficiency, the middle part of the right side of the pump cover 2 and the middle part of the left side of the pump body 1 are fixedly connected with bearings 13, two ends of a rotating shaft 12 are rotatably connected with the right side of the pump cover 2, the bearings 13 and the bearings 13 on the left side of the pump body 1, an impeller 11 is arranged at the lower position inside the pump body 1, the left side of the rotating shaft 12 penetrates through the left side of the pump body 1 and is fixedly connected with the right side of a motor 3, the top of the front side of the pump cover 2 is provided with a water inlet hole, a turbocharger 7 is arranged at the top of an air inlet 6, the cross section shape of the air inlet 6 is changed into a rectangle, thereby increasing the air input and improving the efficiency, the impeller 11 consists of ten blades in an arc shape, ten blades are uniformly and fixedly connected around the rotating shaft 12, the resistance generated by the impeller 11 and water during, and simultaneously, the volume of the blades on the impeller 11 is increased, thereby effectively improving the efficiency.

When the impeller is used, the turbocharger is installed at the top of the air inlet, the cross section of the air inlet is changed into a rectangular shape, so that the air inflow can be increased, the efficiency is improved, the impeller consists of ten blades in an arc shape, the ten blades are uniformly and fixedly connected around the rotating shaft, the resistance generated by the impeller and water during rotation can be reduced through the arc-shaped blades, and the efficiency is further improved.

In conclusion, the turbocharger 7 is installed at the top of the air inlet 6, the cross section of the air inlet 6 is changed into a rectangle, so that the air inflow can be increased, the efficiency is improved, the impeller 11 is composed of ten blades in an arc shape, the ten blades are uniformly and fixedly connected to the periphery of the rotating shaft 12, the resistance generated by the impeller 11 and water during rotation can be reduced through the arc-shaped blades, the efficiency is further improved, the length of the pump body 1 is increased, and meanwhile, the size of the blades on the impeller 11 is increased, so that the efficiency is effectively improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-efficient water ring vacuum pump that air extraction volume is big, includes the pump body (1), pump cover (2) and motor (3), its characterized in that: the pump is characterized in that the motor (3) is installed on the left side of the pump body (1), the pump cover (2) is installed on the right side of the pump body (1), the top of the pump cover (2) is fixedly connected with an air inlet (6) and an air outlet (10), the air inlet (6) and the air outlet (10) are respectively installed at the front end and the rear end of the top of the pump cover (2), the cross section of the air inlet (6) is rectangular, the air outlet (10) is cylindrical, a turbocharger (7) is installed at the top of the air inlet (6), the bottom of the turbocharger (7) and the top of the air inlet (6) are both fixedly connected with a second flange (8), the second flange (8) on the turbocharger (7) and the air inlet (6) are fixedly connected through a second bolt (9) and a nut, an impeller (11) is installed inside the pump body (1), and a rotating shaft (12) is, impeller (11) fixed connection is around pivot (12), the equal fixedly connected with bearing (13) in the middle part of the right side of pump cover (2) and the left side of the pump body (1) middle part, the both ends and pump cover (2) right side and bearing (13) of pivot (12) and the left bearing (13) of the pump body (1) rotate and are connected, install the position that leans on down in the pump body (1) in impeller (11), the left side of pivot (12) is worn out the left side of the pump body (1) and is passed through the right side fixed connection of motor (3), the positive top of pump cover (2) is equipped with the inlet opening.

2. The high-efficiency water ring vacuum pump with large air extraction amount according to claim 1, characterized in that: the pump comprises a pump body (1), a pump cover (2) and a motor (3), wherein the pump body (1), the pump cover (2) and the motor (3) are provided with a base, the pump body (1), the pump cover (2) and the motor (3) are fixedly connected to the top of the base, and the base is placed on the ground.

3. The high-efficiency water ring vacuum pump with large air extraction amount according to claim 1, characterized in that: the pump body (1) and the pump cover (2) are fixedly connected with a flange I (4) on the right side of the pump body and a left side edge of the pump cover (2), the flange I (4) on the pump body (1) and the pump cover (2) are fixedly connected with a sealing ring through a bolt I (5) and a nut, and the flange I (4) is fixedly connected with the sealing ring around the adjacent side of the flange I (4).

4. The high-efficiency water ring vacuum pump with large air extraction amount according to claim 1, characterized in that: the impeller (11) is composed of ten arc-shaped blades, and the ten blades are uniformly and fixedly connected to the periphery of the rotating shaft (12).

5. The high-efficiency water ring vacuum pump with large air extraction amount according to claim 1, characterized in that: and a sealing ring is fixedly connected to one side of the turbocharger (7) adjacent to the second flange (8) on the air inlet (6), and the shape of the second flange (8) is a cuboid.

6. The high-efficiency water ring vacuum pump with large air extraction amount according to claim 1, characterized in that: the air inlet (6) and the air outlet (10) are communicated with the interior of the pump body (1).