CN213062208U

CN213062208U - Mechanical seal's water supply installation

Info

Publication number: CN213062208U
Application number: CN202021808886.XU
Authority: CN
Inventors: 吴永广; 徐铭泽; 白宝丹; 刘钊; 孙杰
Original assignee: Shinva Medical Instrument Co Ltd
Current assignee: Shinva Medical Instrument Co Ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-04-27
Anticipated expiration: 2030-08-26

Abstract

A mechanical seal water supply device belongs to the technical field of mechanical seal of a ventilation drying sterilizer. The method is characterized in that: the water inlet and outlet device comprises a water tank (9), a water inlet pipe (18) and a water return pipe (17), wherein the water inlet pipe (18) and the water return pipe (17) are arranged between the water tank (9) and a water inlet device, a water inlet of the water inlet pipe (18) is communicated with the bottom of the water tank (9), a water outlet of the water inlet pipe (18) is communicated with a water inlet of a mechanical seal, a water inlet of the water return pipe (17) is communicated with a water outlet of the mechanical seal in an adjacent mode, a water outlet of the water return pipe (17) is communicated with the. The water supply device of the mechanical seal solves the problem of insufficient water supply of the mechanical seal, can avoid temperature rise caused by friction in the operation process of the mechanical seal, and ensures the service life of the mechanical seal.

Description

Mechanical seal's water supply installation

Technical Field

A mechanical seal water supply device belongs to the technical field of mechanical seal of a ventilation drying sterilizer.

Background

The fan of the ventilation drying sterilizer is always in the continuous operation process, the mode that the mechanical seal water supply is directly connected with the energy pipeline is adopted, once the mechanical seal water supply is insufficient or the water supply pressure is too low, the mechanical seal can be directly worn and leaked, and the equipment can not continue to operate normally. In addition, the temperature of the mechanical seal in the running process of the fan is higher and higher due to the principle of frictional heat generation, the water quality is poor, and the service life of the mechanical seal is influenced.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, and the mechanical seal water supply device solves the problem that the mechanical seal of the sterilizer is insufficient in water supply and avoids the problems of abrasion and leakage of the mechanical seal.

The utility model provides a technical scheme that its technical problem adopted is: this mechanical seal's water supply installation, its characterized in that: the water inlet pipe is communicated with the bottom of the water tank, the water outlet of the water inlet pipe is communicated with the water inlet of the mechanical seal, the water inlet of the water return pipe is communicated with the water outlet of the mechanical seal, the water outlet of the water return pipe is communicated with the water tank, and the water inlet pipe is provided with a pressurizing device.

Preferably, the supercharging device is a booster pump, a water inlet of the booster pump is communicated with the bottom of the water tank, and a water outlet of the booster pump is communicated with a water inlet of the mechanical seal. The water entering the mechanical seal is pressurized by the booster pump, so that the pressure of the water in the mechanical seal is sufficient.

Preferably, a return one-way valve is arranged on the return pipe. The water return check valve can enable water on the water return pipe to smoothly flow back into the water tank, and can prevent water in the water tank from flowing into the water return pipe.

Preferably, the mechanical seals are provided with a plurality of water inlets which are communicated with the water outlet of the water inlet pipe, and the water outlets of the mechanical seals are communicated with the water inlet of the water return pipe. The booster pump supplies water for a plurality of mechanical seals simultaneously, can guarantee a plurality of mechanical seal job stabilization simultaneously.

Preferably, the water inlet device is communicated with the water tank, and a temperature sensor is arranged on the water inlet pipe. Temperature sensor can real-time supervision enter into the temperature of the water in the mechanical seal, and when the high temperature, water installations supplies water for the water tank, can guarantee to mechanical seal's cooling effectual, avoids influencing mechanical seal's life because the high temperature.

Preferably, the water inlet device comprises a water supply pipe and a water discharge pipe, a water outlet of the water supply pipe is communicated with the water tank, a water inlet of the water discharge pipe is communicated with the lower part of the water tank, a water inlet pneumatic valve is arranged on the water supply pipe, and a water discharge pneumatic valve is arranged on the water discharge pipe.

Preferably, the drain pipe is further provided with a drain check valve.

Preferably, the water tank is further connected with an overflow pipe, one end of the overflow pipe is communicated with the upper portion of the water tank, and the other end of the overflow pipe is communicated with the drain pipe. The overflow pipe can prevent the water in the water tank from overflowing due to excessive water.

Preferably, a backwater manual regulating valve is arranged on the backwater pipe, and a water outlet of the mechanical seal is also connected with a pressure sensor. The pressure sensor can monitor the pressure of water in the mechanical seal in real time, the water flow of the water outlet of the mechanical seal can be adjusted through the manual backwater adjusting valve, and then the manual backwater adjusting valve is matched with the supercharging device, so that the water pressure in the mechanical seal is moderate, and the stable work of the mechanical seal is ensured.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

this mechanically sealed's water supply installation's supercharging device supplies water to mechanically sealed through the inlet tube, guarantee that mechanically sealed supplies water sufficiently, mechanical seal avoids appearing because supply water not enough or supply water pressure low and the wearing and tearing appear, the problem of leakage, guarantee that equipment lasts normal operation, mechanical seal still is connected with the wet return, make water form the circulation through mechanical seal, mechanical seal not enough problem of supplying water has both been solved, can avoid mechanical seal again to lead to the temperature to rise owing to the friction at the operation in-process, mechanical seal's life has been guaranteed.

Drawings

Fig. 1 is a schematic view of piping connection of a mechanically sealed water supply device.

In the figure: 1. the sterilizer comprises a sterilizer body 2, a fan 3, a pressure sensor 4, a backwater manual regulating valve 5, a drain check valve 6, a drain pneumatic valve 7, a temperature sensor 8, a booster pump 9, a water tank 10, a liquid level meter 11, a backwater check valve 12, a water inlet pneumatic valve 13, a water inlet manual regulating valve 14, a water supply pipe 15, a drain pipe 16, an overflow pipe 17, a backwater pipe 18 and a water inlet pipe.

Detailed Description

Fig. 1 is a preferred embodiment of the present invention, and the present invention will be further explained with reference to fig. 1.

The utility model provides a mechanically sealed's water supply installation, includes water tank 9 and sets up inlet tube 18 and wet return 17 between water tank 9 and water installations, and the water inlet of inlet tube 18 communicates with the bottom of water tank 9 mutually, and the delivery port of inlet tube 18 is linked together with mechanically sealed's water inlet, and wet return 17's water inlet leads to with mechanically sealed's delivery port is adjacent, and wet return 17's delivery port is linked together with water tank 9, is provided with supercharging device on the inlet tube 18. This mechanically sealed's water supply installation's supercharging device supplies water to mechanically sealed through inlet tube 18, guarantee that mechanically sealed supplies water sufficiently, mechanical seal is avoided appearing because supply water not enough or supply water pressure low and the wearing and tearing appear, the problem of leakage, guarantee that equipment lasts normal operation, mechanical seal still is connected with wet return 17, make water form the circulation through mechanical seal, the not enough problem of mechanically sealed supply water has both been solved, can avoid mechanical seal again to lead to the temperature to rise owing to the friction at the operation in-process, mechanical seal's life has been guaranteed.

The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.

Specifically, the method comprises the following steps: as shown in fig. 1: two fans 2 are symmetrically arranged on two sides of the top of a sterilizer main body 1 of the ventilation drying sterilizer, and a mechanical seal is arranged between each fan 2 and the sterilizer main body 1. The water outlet of the water inlet pipe 18 is communicated with the water inlets of the two mechanical seals, and the water inlet of the water return pipe 17 is communicated with the water outlets of the two mechanical seals.

The mechanically sealed water supply device further comprises a water inlet device, the water inlet device comprises a water supply pipe 14 and a water discharge pipe 15, and a water outlet of the water supply pipe 14 is communicated with the top of the water tank 9, so that purified water can be provided for the water tank 9. The water supply pipe 14 is provided with a water inlet pneumatic valve 12 and a water inlet manual regulating valve 13, and the water inlet manual regulating valve 13 and the water inlet pneumatic valve 12 are sequentially arranged along the water flow direction. The inlet of the water discharge pipe 15 extends into the water tank 9 from the bottom of the water tank 9, and the inlet of the water discharge pipe 15 is disposed at the lower portion of the water tank 9, so as to prevent the water in the water tank 9 from being drained. The drain pipe 15 is provided with a drain pneumatic valve 6 and a drain check valve 5, and the drain pneumatic valve 6 and the drain check valve 5 are arranged in this order in the water flow direction. The side of the tank 9 is provided with a level gauge 10, which level gauge 10 is an analogue level gauge in this embodiment.

The water tank 9 is further connected with an overflow pipe 16, the water inlet of the overflow pipe 16 is communicated with the upper part of the water tank 9, and the water outlet of the overflow pipe 16 is communicated with the drain pipe 15 between the drain pneumatic valve 6 and the drain check valve 5, so that the water in the water tank 9 can be prevented from overflowing.

In this embodiment, the pressurizing device is a pressurizing pump 8, and the pressurizing pump 8 is disposed on the water inlet pipe 18 and can pump the purified water in the water tank 9 into the mechanical seal. The input of booster pump 8 is provided with temperature sensor 7, and temperature sensor 7 can real-time supervision enter into the temperature in the booster pump 8, and when the temperature was too high, intake pneumatic valve 12 and drainage pneumatic valve 6 opened, made the hydrologic cycle in the water tank 9 to the water cooling in the water tank 9, avoid mechanical seal high temperature and influence mechanical seal's life.

The water inlet of the water return pipe 17 is communicated with the water outlets of the two mechanical seals, and the water outlet of the water return pipe 17 is communicated with the top of the water tank 9, so that water in the mechanical seals can form circulation.

A water return manual regulating valve 4 is arranged between the water outlet of each mechanical seal and the water return pipe 17, the water outlet of each mechanical seal is connected with a pressure sensor 3, the pressure sensor 3 can monitor the pressure of water in the mechanical seal in real time, the flow of the water outlet of the corresponding mechanical seal can be regulated through the water return manual regulating valve 4, and then the water return manual regulating valve is matched with the booster pump 8 to regulate the pressure of the mechanical seal, so that the water pressure in the mechanical seal is moderate. A return check valve 11 is arranged between the water outlet of the return pipe 17 and the water tank 9, so that water in the water tank 9 can be prevented from entering the return pipe 17.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a mechanically sealed water supply installation which characterized in that: the water inlet and outlet device comprises a water tank (9), a water inlet pipe (18) and a water return pipe (17), wherein the water inlet pipe (18) and the water return pipe (17) are arranged between the water tank (9) and a water inlet device, a water inlet of the water inlet pipe (18) is communicated with the bottom of the water tank (9), a water outlet of the water inlet pipe (18) is communicated with a water inlet of a mechanical seal, a water inlet of the water return pipe (17) is communicated with a water outlet of the mechanical seal in an adjacent mode, a water outlet of the water return pipe (17) is communicated with the.

2. The mechanically sealed water supply of claim 1, wherein: the supercharging device is a booster pump (8), a water inlet of the booster pump (8) is communicated with the bottom of the water tank (9), and a water outlet of the booster pump (8) is communicated with a water inlet of the mechanical seal.

3. The mechanically sealed water supply of claim 1, wherein: and a return water one-way valve (11) is arranged on the return water pipe (17).

4. The mechanically sealed water supply of claim 1, wherein: the mechanical seals are provided with a plurality of water inlets which are communicated with the water outlet of the water inlet pipe (18), and the water outlets of the mechanical seals are communicated with the water inlet of the water return pipe (17).

5. The mechanically sealed water supply of claim 1, wherein: the water inlet device is communicated with the water tank (9), and the water inlet pipe (18) is provided with a temperature sensor (7).

6. The mechanically sealed water supply of claim 5, wherein: the water inlet device comprises a water supply pipe (14) and a water discharge pipe (15), a water outlet of the water supply pipe (14) is communicated with the water tank (9), a water inlet of the water discharge pipe (15) is communicated with the lower part of the water tank (9), a water inlet pneumatic valve (12) is arranged on the water supply pipe (14), and a water discharge pneumatic valve (6) is arranged on the water discharge pipe (15).

7. The mechanically sealed water supply of claim 6, wherein: the drain pipe (15) is also provided with a drain check valve (5).

8. The mechanically sealed water supply device according to claim 1 or 5, wherein: the water tank (9) is also connected with an overflow pipe (16), one end of the overflow pipe (16) is communicated with the upper part of the water tank (9), and the other end is communicated with a drain pipe (15).

9. The mechanically sealed water supply of claim 1, wherein: the water return pipe (17) is provided with a water return manual regulating valve (4), and the water outlet of the mechanical seal is also connected with a pressure sensor (3).