CN217327855U - Anti-blocking centrifugal pump for chemical plant - Google Patents

Abstract

The utility model discloses an anti-clogging centrifugal pump used in a chemical plant, comprising a centrifugal pump main body, a base is arranged at the bottom of the centrifugal pump main body, a blower is arranged on the upper surface of the centrifugal pump main body, and one end of the blower is arranged An air duct is provided, a water outlet is provided on one side of the centrifugal pump main body, a pipe is arranged on the side of the centrifugal pump main body away from the water outlet, and a connecting pipe is arranged at one end of the pipeline away from the centrifugal pump main body. An upper fixing ring is arranged at one end of the pipe away from the pipe, a filter chamber is arranged inside the upper fixing ring, a lower fixing ring is arranged at the end of the filter chamber away from the upper fixing ring, and a protective net is arranged on the outer side of the lower fixing ring. The utility model is provided with a series of structures to avoid device blockage affecting the normal operation of the centrifugal pump, and at the same time prevent impurities from affecting the internal components of the centrifugal pump, thereby increasing the service life of the centrifugal pump and improving the practicability of the device.

Description

An anti-clogging centrifugal pump for chemical plants

technical field

The utility model relates to the technical field of centrifugal pumps, in particular to an anti-clogging centrifugal pump used in chemical plants.

Background technique

Centrifugal pump is a kind of pump that conveys liquid by centrifugal force generated when the impeller rotates. It has the advantages of compact structure, wide range of flow and lift, uniform flow, stable operation, low vibration and low maintenance and repair cost. It is widely used in various types of pumps. Where liquids need to be transported.

Centrifugal pumps are also used in chemical plants. During the process of use, some chemical waste will block the suction port and impeller of the centrifugal pump, thereby causing damage to the centrifugal pump. Manual cleaning is required. Manual cleaning not only requires a lot of money time, and the cleaning effect is not ideal, it is easy to delay work and reduce work efficiency.

Utility model content

The purpose of the present invention is to provide an anti-clogging centrifugal pump used in a chemical plant to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an anti-clogging centrifugal pump used in a chemical plant, comprising a centrifugal pump main body, the bottom of the centrifugal pump main body is provided with a base, and the upper surface of the centrifugal pump main body is provided with a base. There is a blower, one end of the blower is provided with an air duct, one side of the centrifugal pump main body is provided with a water outlet, the side of the centrifugal pump main body away from the water outlet is provided with a pipe, and the pipe is far away from one end of the centrifugal pump main body A connecting pipe is provided, an upper fixing ring is arranged at one end of the connecting pipe away from the pipeline, a filter chamber is arranged inside the upper fixing ring, and a lower fixing ring is arranged at the end of the filter chamber away from the upper fixing ring, and the lower fixing ring is arranged The outer side of the ring is provided with a protective net.

Preferably, a motor is provided on the outer side of the connecting pipe, the output shaft of the motor passes through the outer wall of the connecting pipe, and a fan blade is provided on the top of the output shaft of the motor, and the fan blade is located inside the connecting pipe.

Preferably, the surfaces of the upper fixing ring and the lower fixing ring are provided with nuts, a connecting screw is arranged between the nuts, and the connecting screw is threadedly connected with the nut.

Preferably, grooves are formed on the lower surface of the upper fixing ring, grooves are formed on the upper surface of the lower fixing ring, the filter box is located between the two grooves, and a filter element is arranged inside the filter box .

Preferably, the lower end of the lower fixing ring is provided with a water suction port, and the outer side of the water suction port is provided with an isolation net.

Preferably, the air duct is connected with the connecting pipe through a flange plate, a valve is provided at a position of the pipe close to the connecting pipe, and another valve is provided inside the air duct.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The anti-clogging centrifugal pump used in chemical plants works through the blower installed on the upper surface of the centrifugal pump body, so that the blower transports the air through the air duct to the inside of the connecting pipe, and recoils the filter chamber and the isolation net to avoid The blockage of the device affects the normal operation of the centrifugal pump and improves the practicability of the device.

2. The anti-clogging centrifugal pump used in chemical plants uses the protective net outside the suction port and the isolation net on the side of the suction port to filter external impurities and wastes to avoid blockage of the centrifugal pump by large pieces of garbage. At the same time, the water flow is further filtered through the filter element inside the filter chamber to avoid the impact of impurities on the internal components of the centrifugal pump, improve the service life of the centrifugal pump, and further improve the practicability of the device.

3. The anti-clogging centrifugal pump used in chemical plants can disassemble the connecting screw between the upper fixing ring and the lower fixing ring, so that the filter chamber can be disengaged, so that the filter element inside the filter chamber can be replaced more conveniently, and the device is improved at the same time. flexibility.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the partial sectional structure schematic diagram of the present utility model;

FIG. 3 is an enlarged view of part A in FIG. 2 of the utility model.

In the figure: 1. Main body of centrifugal pump; 2. Base; 3. Water outlet; 4. Blower; 5. Protection net; 6. Pipe; 7. Air duct; 8. Connecting pipe; 9. Upper fixing ring; Fixed ring; 11, suction port; 12, isolation net; 13, connecting screw; 14, motor; 15, valve; 16, filter bin; 17, filter element; 18, fan blade.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" The orientation or positional relationship indicated by "" etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, so as to The specific orientation configuration and operation is therefore not to be construed as a limitation of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present utility model, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "provided with", "connected", etc., should be understood in a broad sense, for example, "connected" may be a fixed The connection can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in FIGS. 1 to 3 , the present embodiment is used for an anti-clogging centrifugal pump in a chemical plant, including a centrifugal pump main body 1 . The bottom of the centrifugal pump main body 1 is provided with a base 2 , and the upper surface of the centrifugal pump main body 1 is provided with a blower 4 , is a conventional fan-blade blower, connected with an external power supply through a circuit, one end of the blower 4 is provided with an air duct 7, one side of the centrifugal pump main body 1 is provided with a water outlet 3, and the centrifugal pump main body 1 is away from the water outlet 3. The side is provided with a pipeline 6, and one end of the pipeline 6 away from the main body 1 of the centrifugal pump is provided with a connecting pipe 8, and one end of the connecting pipe 8 away from the pipeline 6 is provided with an upper fixing ring 9. One end away from the upper fixing ring 9 is provided with a lower fixing ring 10, and the outer side of the lower fixing ring 10 is provided with a protective net 5, which is operated by the blower 4 arranged on the upper surface of the centrifugal pump main body 1, so that the blower 4 blows the wind through the air duct 7. It is transported to the inside of the connecting pipe 8, and the filter chamber 16 and the isolation net 12 are recoiled, so as to avoid the blockage of the device and affect the normal operation of the centrifugal pump, and improve the practicability of the device. The isolation net 12 on the side of 11 filters the impurities and wastes from the outside to avoid the blockage of the centrifugal pump by large pieces of garbage. At the same time, the water flow is further filtered through the filter element 17 inside the filter chamber 16 to prevent impurities from affecting the internal components of the centrifugal pump. The impact is increased, the service life of the centrifugal pump is increased, and the practicability of the device is further improved.

Specifically, a motor 14 is provided on the outer side of the connecting pipe 8, the output shaft of the motor 14 passes through the outer wall of the connecting pipe 8, and a fan blade 18 is provided on the top of the output shaft of the motor 14. The fan blade 18 is located inside the connecting pipe 8, and the upper fixing ring 9 and the surface of the lower fixing ring 10 are provided with nuts, a connecting screw 13 is arranged between the nuts, the connecting screw 13 is threadedly connected with the nut, and the connecting screw 13 between the upper fixing ring 9 and the lower fixing ring 10 is disassembled by setting , the filter chamber 16 is disengaged, the replacement of the filter element 17 inside the filter chamber 16 is more convenient, and the flexibility of the device is improved at the same time.

Further, grooves are formed on the lower surface of the upper fixing ring 9, grooves are formed on the upper surface of the lower fixing ring 10, the filter compartment 16 is located between the two grooves, and a filter element 17 is arranged inside the filter compartment 16, and the lower The lower end of the ring 10 is provided with a water suction port 11 , and the outer side of the water suction port 11 is provided with an isolation net 12 .

Further, the air duct 7 is connected with the connecting pipe 8 through the flange plate, the pipe 6 is provided with a valve 15 near the connecting pipe 8, and another valve 15 is arranged inside the air duct 7, which is actually between the air duct 7 and the pipeline. 6 Connections to prevent liquid from entering the air duct 7.

The use method of this embodiment is as follows: first take out the device, then connect the water outlet 3 with the water outlet pipe, place the centrifugal pump body 1 in a suitable position through the base 2, and then pass the protective net arranged outside the water suction port 11. 5, and the isolation net 12 on the side of the suction port 11, to filter the impurities and wastes from the outside, to avoid the blockage of the centrifugal pump by large pieces of garbage, and to further filter the water flow through the filter element 17 inside the filter bin 16, while filtering , the motor 14 drives the fan blade 18 to rotate, increases the speed of water flow, and avoids blockage at the same time. After the filtration is completed, the blower 4 arranged on the upper surface of the centrifugal pump main body 1 works, so that the blower 4 transports the wind through the air duct 7 to the Inside the connecting pipe 8, the filter chamber 16 and the isolation net 12 are recoiled, and then the connecting screw 13 between the upper fixing ring 9 and the lower fixing ring 10 is disassembled by setting, so that the filter chamber 16 is detached, and the interior of the filter chamber 16 is disassembled. The filter element 17 can be replaced. It should be noted that the connection between the air duct 7 and the pipeline 6 needs to be provided with a valve 15, and a one-way valve structure can be selected to prevent water from entering the air duct 7 and cause blockage. Detachable connection, remove the blower 4 and the air duct 7 separately, and install the air duct 7 and the blower 4 only when the backwash cleaning operation is required. In addition, the blower 4 can be replaced with a pressurized pump, and backwash is performed with the help of water. Operation, only the pressurized pump needs to be connected to the external water supply pipeline for use.

Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, its The technical solutions described in the foregoing embodiments can still be modified, or some technical features thereof can be equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (6)

1. An anti-clogging centrifugal pump for a chemical plant, comprising a centrifugal pump main body (1), characterized in that: the bottom of the centrifugal pump main body (1) is provided with a base (2), the centrifugal pump main body (1) ) is provided with a blower (4), one end of the blower (4) is provided with an air duct (7), one side of the centrifugal pump main body (1) is provided with a water outlet (3), the centrifugal pump A pipe (6) is provided on the side of the main body (1) away from the water outlet (3), and a connecting pipe (8) is provided at one end of the pipe (6) away from the main body (1) of the centrifugal pump. The connecting pipe (8) An upper fixing ring (9) is arranged at one end away from the pipe (6), a filter compartment (16) is arranged inside the upper fixing ring (9), and an end of the filter compartment (16) away from the upper fixing ring (9) is arranged There is a lower fixing ring (10), and a protective net (5) is arranged on the outer side of the lower fixing ring (10). 2. An anti-clogging centrifugal pump for a chemical plant according to claim 1, characterized in that: a motor (14) is provided on the outer side of the connecting pipe (8), and an output shaft of the motor (14) is provided. Passing through the outer wall of the connecting pipe (8), the top of the output shaft of the motor (14) is provided with a fan blade (18), and the fan blade (18) is located inside the connecting pipe (8). 3. An anti-clogging centrifugal pump for a chemical plant according to claim 1, characterized in that: the surfaces of the upper fixing ring (9) and the lower fixing ring (10) are provided with nuts, the nuts A connecting screw (13) is arranged therebetween, and the connecting screw (13) is threadedly connected with the nut. 4. An anti-clogging centrifugal pump for a chemical plant according to claim 1, characterized in that: a groove is formed on the lower surface of the upper fixing ring (9), and the lower fixing ring (10) has a groove. The upper surface is provided with grooves, the filter bin (16) is located between the two grooves, and a filter element (17) is arranged inside the filter bin (16). 5. An anti-clogging centrifugal pump for a chemical plant according to claim 1, characterized in that: the lower end of the lower fixing ring (10) is provided with a water suction port (11), and the water suction port (11) An isolation net (12) is arranged on the outer side of the device. 6. An anti-clogging centrifugal pump for a chemical plant according to claim 1, characterized in that: the air pipe (7) is connected to the connecting pipe (8) through a flange, and the pipe (6) ) a valve (15) is arranged near the connecting pipe (8), and another valve (15) is arranged inside the air duct (7).

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