CN218581871U

CN218581871U - Water ring vacuum mechanical seal structure

Info

Publication number: CN218581871U
Application number: CN202222996647.7U
Authority: CN
Inventors: 李聪; 黄福文; 王以翠; 胡金磊
Original assignee: Shandong Zibo Dexiri Pump Co ltd
Current assignee: Shandong Zibo Dexiri Pump Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-07
Anticipated expiration: 2032-11-10

Abstract

The utility model relates to a mechanical seal technical field specifically is a water ring vacuum mechanical seal structure, including mechanical seal, mechanical seal sets up on the impeller shaft, still be provided with the impeller on the impeller shaft, the epaxial surface that just is located mechanical seal of impeller is provided with the fixing base, the top intercommunication of fixing base is provided with the inlet tube, the bottom intercommunication of fixing base is provided with the drain pipe, and inlet tube and drain pipe set up on the water tank jointly. The utility model discloses a drain pipe and the inlet tube that set up are connected with water tank and fixing base, both can cool down mechanical seal, and the water after the cooling can enter into the water tank again simultaneously and continue to use, reaches the effect of recycling cooling, the water economy resource.

Description

Water ring vacuum mechanical seal structure

Technical Field

The utility model relates to a mechanical seal technical field specifically is a water ring vacuum mechanical seal structure.

Background

The water ring vacuum pump is a vacuum pump for pumping and discharging underground methane, has high pumping and discharging negative pressure and small flow, and is suitable for mines with low pumping and discharging amount and high pumping and discharging negative pressure requirements. The water ring vacuum pump has good safety and wide application; the mechanical seal is used in a water ring vacuum pump to ensure the sealing performance, and the mechanical seal is a device for preventing fluid leakage, which is composed of at least one pair of end faces perpendicular to a rotating axis, and the end faces are kept to be attached and relatively slide under the action of fluid pressure and the elastic force of a compensation mechanism and under the matching action of an auxiliary seal.

The mechanical seal is generally arranged on the impeller shaft, and when the impeller shaft rotates, the mechanical seal can rub against the mechanical seal, so that a large amount of heat is generated, and if the mechanical seal is not cooled, the service life of the mechanical seal can be shortened; some existing cooling methods are that the mechanical seal is cooled by flowing water, and when the water is directly discharged after passing through the mechanical seal, waste of water resources is caused. Therefore, we improve this, and propose a water ring vacuum mechanical seal structure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a water ring vacuum mechanical seal structure, including mechanical seal, mechanical seal sets up on the impeller shaft, still be provided with the impeller on the impeller shaft, the epaxial surface that just is located mechanical seal of impeller is provided with the fixing base, the top intercommunication of fixing base is provided with the inlet tube, the bottom intercommunication of fixing base is provided with the drain pipe, and inlet tube and drain pipe set up on the water tank jointly.

As a preferred technical scheme of the utility model, logical groove has all been seted up to the top and the bottom of fixing base, the cavity has been seted up to the inside of fixing base, and leads to groove and cavity intercommunication, and has the space between the lateral wall of cavity and the mechanical seal.

As a preferred technical scheme of the utility model, the inside fixed mounting of water tank has the connecting pipe, the top and the inlet tube intercommunication of connecting pipe, the bottom of connecting pipe is provided with the filter screen.

As a preferred technical scheme of the utility model, the connecting pipe is L shape, and the opening cross-section of connecting pipe bottom is under the narrow width's trapezium structure, and the filter screen setting is in the inside of trapezium structure.

As a preferred technical scheme of the utility model, one side intercommunication of water tank is provided with the outlet, be provided with control valve two in the outlet, and be provided with control valve one in the inlet tube.

As an optimal technical scheme of the utility model, the top of water tank is provided with the water inlet, one side of water tank is provided with the controller, control valve one and control valve two all with controller electric connection.

The utility model has the advantages that: the drain pipe and the inlet tube that set up are connected with water tank and fixing base, both can cool down mechanical seal, and the water after the cooling can enter into the water tank again simultaneously and continue to use, reaches the effect of cyclic utilization cooling, water economy resource.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of a water ring vacuum mechanical seal structure of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is an enlarged view at B in fig. 1.

In the figure: 1. an impeller; 2. an impeller shaft; 3. mechanical sealing; 4. a drain pipe; 5. a water inlet pipe; 6. a first control valve; 7. a connecting pipe; 8. a controller; 9. a filter screen; 10. a second control valve; 11. a water outlet; 12. a fixed seat; 13. a water tank.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1 to 3, the utility model relates to a water ring vacuum mechanical seal structure, including mechanical seal 3, mechanical seal 3 sets up on impeller shaft 2, still is provided with impeller 1 on the impeller shaft 2. The mechanical seal 3, the impeller shaft 2 and the impeller 1 are all positioned in the water ring vacuum pump, and the impeller shaft 2 can rotate when being driven by the existing driving motor, and can generate friction with the mechanical seal 3 in the rotating process, so that a large amount of heat is generated.

The surface that just is located mechanical seal 3 on the impeller shaft 2 is provided with fixing base 12, and fixing base 12 plays fixed mechanical seal 3's effect, and the top intercommunication of fixing base 12 is provided with inlet tube 5, and the bottom intercommunication of fixing base 12 is provided with drain pipe 4, and inlet tube 5 and drain pipe 4 set up on water tank 13 jointly.

Through pouring into mechanical seal 3 in fixing base 12 through inlet tube 5 with the water in the water tank 13 and cool down, the water after 3 cooling to mechanical seal is again through 4 flow direction water tanks 13 of drain pipe, on water tank 13, the orificial position of 4 higher than 5 orificial positions of inlet tube of drain pipe.

Logical groove has all been seted up to the top and the bottom of fixing base 12, and the cavity has been seted up to the inside of fixing base 12, and leads to groove and cavity intercommunication, and has the space between the lateral wall of cavity and mechanical seal 3. Water through inlet tube 5 firstly gets into logical groove, then gets into the cavity, and the cavity surrounds mechanical seal 3, and water gets into from the cavity top, and from the bottom discharge of cavity after 3 cooling down for mechanical seal to enter into water tank 13 through drain pipe 4 at last, still be provided with the water pump at the mouth of pipe of drain pipe 4 in, be arranged in rivers return water tank 13.

The inside fixed mounting of water tank 13 has connecting pipe 7, and the top and the inlet tube 5 intercommunication of connecting pipe 7, the bottom of connecting pipe 7 are provided with filter screen 9. The water in the water tank 13 is filtered by the filter screen 9 before entering the water inlet pipe 5, so that impurities in the water are prevented from entering the cavity and affecting the use of the mechanical seal 3.

The connecting pipe 7 is L-shaped, the opening section at the bottom end of the connecting pipe 7 is in a trapezoidal structure with a narrow top and a wide bottom, and the filter screen 9 is arranged inside the trapezoidal structure. Through the narrow-top wide-bottom trapezoidal structure that sets up, be convenient for increase the area that water passes through, the trapezoidal structure link up from top to bottom, and the rivers of being convenient for pass through.

A water outlet 11 is communicated with one side of the water tank 13, a control valve II 10 is arranged in the water outlet 11, and a control valve I6 is arranged in the water inlet pipe 5. In the process of temperature reduction, the second control valve 10 in the water outlet 11 is in a closed state, the first control valve 6 in the water inlet pipe 5 is in an open state, and when water needs to be changed for the water tank 13, the first control valve 6 is closed, and the second control valve 10 is opened.

The top of water tank 13 is provided with the water inlet, and one side of water tank 13 is provided with controller 8, and control valve 6 and control valve two 10 all are connected with controller 8 electric. Can be through water inlet to water tank 13 internal water injection, the effect of cooling is influenced to the high temperature of avoiding the backward flow simultaneously, can add the ice-cube through the water inlet to water tank 13 internal water, plays the effect that reduces the temperature. The controller 8 can control the opening and closing of the first control valve 6 and the second control valve 10.

When the water ring vacuum pump works, water in the water tank 13 enters the cavity through the connecting pipe 7 and the water inlet pipe 5, and the filter screen 9 arranged on the connecting pipe 7 can filter impurities to prevent the impurities from entering the cavity to influence the use of the mechanical seal 3; can cool down mechanical seal 3 after water gets into the cavity, and enter into drain pipe 4 from the bottom of cavity, flow back to water tank 13 from drain pipe 4 in, thereby can circulate the cooling, avoid the waste of water resource, and can add the ice-cube according to actual conditions in to water tank 13, reduce the temperature of water in the water tank 13, when needs are to changing water in the water tank 13, make control valve one 6 close, control valve two 10 is opened, discharge through outlet 11.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a water ring vacuum mechanical seal structure, includes mechanical seal (3), its characterized in that, mechanical seal (3) set up on impeller shaft (2), still be provided with impeller (1) on impeller shaft (2), the surface that just is located mechanical seal (3) on impeller shaft (2) is provided with fixing base (12), the top intercommunication of fixing base (12) is provided with inlet tube (5), the bottom intercommunication of fixing base (12) is provided with drain pipe (4), and inlet tube (5) and drain pipe (4) set up on water tank (13) jointly.

2. The water ring vacuum mechanical seal structure as claimed in claim 1, wherein the top end and the bottom end of the fixing base (12) are both provided with a through groove, the inside of the fixing base (12) is provided with a cavity, the through groove is communicated with the cavity, and a gap exists between the side wall of the cavity and the mechanical seal (3).

3. The mechanical water ring vacuum sealing structure according to claim 1, wherein a connecting pipe (7) is fixedly installed inside the water tank (13), the top end of the connecting pipe (7) is communicated with the water inlet pipe (5), and a filter screen (9) is arranged at the bottom end of the connecting pipe (7).

4. A water ring vacuum mechanical seal structure according to claim 3, characterized in that the connecting pipe (7) is L-shaped, the opening section of the bottom end of the connecting pipe (7) is a trapezoid structure with a narrow top and a wide bottom, and the filter screen (9) is arranged inside the trapezoid structure.

5. The mechanical water ring vacuum sealing structure is characterized in that a water outlet (11) is communicated with one side of the water tank (13), a second control valve (10) is arranged in the water outlet (11), and a first control valve (6) is arranged in the water inlet pipe (5).

6. A water ring vacuum mechanical seal structure according to claim 5, characterized in that a water inlet is arranged at the top end of the water tank (13), a controller (8) is arranged at one side of the water tank (13), and the first control valve (6) and the second control valve (10) are both electrically connected with the controller (8).