CN219064784U - Auxiliary flushing system device for mechanical seal operation test - Google Patents

Abstract

The auxiliary flushing system device for the mechanical seal operation test is characterized by comprising a frame, a PLAN 23/PLAN 52 flushing system device and a PLAN 53C flushing system device, and is simple in structure and convenient to use, and can complete the PLAN 23/PLAN 52 flushing scheme, the PLAN 53C flushing scheme and the mechanical seal operation test work of the PLAN 23+PLAN 53C flushing scheme on one set of device.

Description

Auxiliary flushing system device for mechanical seal operation test

Technical Field

The utility model relates to an auxiliary flushing system device for a mechanical seal operation test, in particular to an auxiliary flushing system device used when a mechanical seal operates under a design working condition and detects whether the sealing performance of the mechanical seal reaches a design index.

Background

There are various auxiliary flushing schemes of mechanical seal, such as flushing schemes of PLAN 23, PLAN 52, PLAN 53C, PLAN 23+PLAN 53C. At present, when the mechanical seal of each flushing scheme is operated and detected, a corresponding auxiliary flushing system is needed to be selected, so that in the new product design, a plurality of auxiliary flushing systems with different schemes are needed to complete the operation and detection of the mechanical seal, the detection is inconvenient, and the working efficiency is low.

Disclosure of Invention

The utility model aims to improve the defects of the prior art, and provides a multifunctional auxiliary flushing system device for a mechanical seal operation test, namely the auxiliary flushing system device for the mechanical seal operation test, which can complete a PLAN 23/PLAN 52 flushing scheme, a PLAN 53C flushing scheme and a PLAN 23+PLAN 53C flushing scheme, is convenient for detection work and has low working efficiency.

The utility model is composed of a rack, a PLAN 23/PLAN 52 flushing system and a PLAN 53C flushing system.

PLAN 23/PLAN 52 rinse-system by the liquid storage pot of the in-band cooling heat exchange coil of fixed mounting on frame 1, liquid storage pot drain pipe and liquid storage pot drain pipe valve, the liquid storage pot drain pipe is used for being connected with the flushing fluid entry of mechanical seal, liquid storage pot feed pipe and liquid storage pot feed pipe valve, liquid storage pot feed pipe is used for being connected with the transfer pump in the experiment, connect liquid inlet branch pipe and liquid inlet branch pipe valve on the liquid storage pot feed pipe, liquid inlet branch pipe is used for being connected with mechanical seal's flushing fluid exit linkage, be connected with the manometer on liquid storage pot feed pipe, liquid storage pot cooling heat exchange coil inlet pipe and liquid storage pot cooling heat exchange coil inlet pipe valve, liquid storage pot cooling heat exchange coil inlet pipe is connected with the cooling water delivery pipe of installing in the frame, liquid storage pot cooling heat dissipation coil outlet pipe is connected with the cooling water drain pipe of installing in the frame, liquid storage pot feed pipe and liquid storage pot feed pipe valve, be connected with evacuation pipe and evacuation pipe valve on liquid storage pot feed pipe, the pressure pipe links to each other with the pressure supply station of liquid storage in the experiment.

The PLAN 53C flushing system comprises a booster tank, a booster tank pressure gauge, a booster tank emptying pipe and a booster tank emptying pipe valve, a booster tank pressure outlet pipe and a booster tank pressure outlet pipe valve, a booster tank pressure inlet pipe and a booster tank pressure inlet pipe valve, wherein a pressure relief pipe and a pressure relief pipe valve are connected to the booster tank pressure inlet pipe; the system comprises a coil heat exchanger, a liquid outlet pipe of the coil heat exchanger and a liquid outlet pipe valve of the coil heat exchanger, wherein the liquid outlet pipe of the coil heat exchanger is connected with an emptying pipe and an emptying pipe valve, the liquid outlet pipe of the coil heat exchanger is used for being connected with a mechanically sealed flushing liquid inlet, the liquid inlet pipe of the coil heat exchanger is connected with a liquid inlet pipe of the coil heat exchanger, the liquid inlet pipe of the coil heat exchanger is used for being connected with a liquid delivery pump in a laboratory, the liquid inlet pipe of the coil heat exchanger is connected with a flushing liquid inlet pipe and a flushing liquid inlet pipe valve, the flushing liquid inlet pipe is used for being connected with a mechanically sealed flushing liquid outlet, the cooling water inlet pipe of an inner cavity of the coil heat exchanger is connected with a cooling water supply pipe on a rack, and the cooling water outlet pipe of the inner cavity of the coil heat exchanger is connected with a cooling water drain pipe on a mounting rack; a communicating pipe and a communicating pipe valve are arranged between the liquid inlet pipe of the coil heat exchanger and the liquid inlet pipe of the liquid storage tank.

The utility model has the advantages of simple structure and convenient use, can complete PLAN 23/PLAN 52 flushing scheme, PLAN 53C flushing scheme and PLAN 23+PLAN 53C flushing scheme mechanical seal operation test work on one set of device.

Drawings

Fig. 1 and 2 are schematic structural views of an embodiment of the present utility model.

Detailed Description

The utility model is composed of a rack, a PLAN 23/PLAN 52 flushing system and a PLAN 53C flushing system.

The PLAN 23/PLAN 52 flushing system comprises a liquid storage tank 21 with an internal cooling heat exchange coil fixedly installed on a rack 1, a liquid storage tank liquid outlet pipe 22 and a liquid storage tank liquid outlet pipe valve 221, wherein the liquid storage tank liquid outlet pipe 22 is used for being connected with a mechanically sealed flushing liquid inlet, a liquid storage tank liquid inlet pipe 23 and a liquid storage tank liquid inlet pipe valve 231, the liquid storage tank liquid inlet pipe 23 is used for being connected with an infusion pump in an experiment (for supplementing liquid to the liquid storage tank), a liquid inlet branch pipe 232 and a liquid inlet branch pipe valve 2321 are connected on the liquid storage tank liquid inlet pipe 23, the liquid inlet branch pipe 232 is used for being connected with a mechanically sealed flushing liquid outlet, a pressure gauge 211 is connected on the liquid storage tank liquid inlet pipe 23, a liquid storage tank cooling heat exchange coil water inlet pipe 24 and a liquid storage tank cooling heat exchange coil water inlet pipe valve 241 are connected with a cooling water supply pipe 240 installed on the rack, a liquid storage tank cooling heat exchange coil water outlet pipe 25 is connected with a cooling water drain pipe 250 installed on the rack, a liquid storage tank inlet pipe 26 and a liquid storage tank pressure inlet pipe 261 are connected with a liquid storage tank pressure inlet pipe 26 and a liquid storage tank pressure inlet pipe 262, and a liquid storage tank pressure discharge pipe 262 are connected on the liquid storage tank 23 and a cooling heat exchange pipe 262, and an air-cooling station is connected with the air supply pipe for an experiment station.

The PLAN 53C flushing system comprises a booster tank 31, a booster tank pressure gauge 311, a booster tank emptying pipe 312 and a booster tank emptying pipe valve 3121, a booster tank pressure outlet pipe 313 and a booster tank pressure outlet pipe valve 3131, a booster tank pressure inlet pipe 36 and a booster tank pressure inlet pipe valve 361, wherein a pressure relief pipe 362 and a pressure relief pipe valve 3621 are connected to the booster tank pressure inlet pipe 36; the system comprises a coil heat exchanger 32, a coil heat exchanger liquid outlet pipe 34 and a coil heat exchanger liquid outlet pipe valve 341, wherein the coil heat exchanger liquid outlet pipe 34 is connected with an emptying pipe 321 and an emptying pipe valve 3211, the coil heat exchanger liquid outlet pipe 34 is used for being connected with a mechanically sealed flushing liquid inlet, a coil heat exchanger liquid inlet pipe 33 and a coil heat exchanger liquid inlet pipe valve 331, the coil heat exchanger liquid inlet pipe 33 is used for being connected with an infusion pump in a laboratory (flushing liquid filling the system), a flushing liquid inlet branch pipe 332 and a flushing liquid inlet branch pipe valve 3321 are connected on the coil heat exchanger liquid inlet pipe 33, the flushing liquid inlet branch pipe 332 is used for being connected with a mechanically sealed flushing liquid outlet, a coil heat exchanger inner cavity cooling water inlet pipe 35 and a coil heat exchanger inner cavity cooling water inlet pipe valve 351 are connected with a cooling water supply pipe 240 on a rack, and the coil heat exchanger inner cavity cooling water outlet pipe 37 is connected with a cooling water drain pipe 250 on the rack; a communication pipe 38 and a communication pipe valve 381 are provided between the coil heat exchanger inlet pipe 33 and the reservoir inlet pipe 23.

The working process of the PLAN 23/PLAN 52 flushing system comprises the following steps: when the test site requires the use of a PLAN 23 mechanical seal flushing protocol; the liquid storage tank drain pipe 22 and the liquid inlet pipe 232 on the liquid storage tank liquid inlet pipe 23 are respectively connected with the flushing liquid inlet and outlet interfaces of the mechanical seal to be tested, the liquid storage tank drain pipe valve 221 is opened, the liquid inlet pipe branch valve 2321 is opened, the cooling heat exchange coil water inlet pipe valve 241 is opened, and the liquid storage tank inlet pressure pipe valve 261 is opened to pressurize the liquid storage tank 21, so that the PLAN 23 mechanical seal flushing scheme is realized.

When the reservoir inlet spool valve 261 is closed and the drain spool valve 2621 is opened to empty the reservoir 21, the system achieves the PLAN 52 mechanical seal flushing scheme.

The working process of the PLAN 53C flushing system comprises the following steps: when the PLAN 53C mechanical seal flushing scheme is needed in the experimental site, the coil heat exchanger liquid outlet pipe 34 and the flushing fluid inlet and outlet branch pipe 332 of the coil heat exchanger are respectively connected with the flushing fluid inlet and outlet interfaces of the tested mechanical seal, the booster tank liquid outlet and outlet pipe valve 3131 is opened, the coil heat exchanger liquid outlet pipe valve 341 is opened, the flushing fluid inlet and outlet branch pipe valve 3321 is opened, the cooling water inlet pipe valve 351 of the inner cavity of the coil heat exchanger is opened, and the booster tank liquid inlet and outlet pipe valve 361 is opened, so that the PLAN 53C mechanical seal flushing scheme is realized.

When the PLAN 53C mechanical seal flushing scheme is used, if the detected mechanical seal leakage is large, the detection time is long, and the flushing fluid in the booster tank 31 is insufficient to support the mechanical seal leakage, the communicating pipe valve 381 between the coil heat exchanger inlet pipe 33 and the liquid storage tank inlet pipe 23 is opened, so that the flushing fluid in the liquid storage tank 21 is integrated into the PLAN 53C mechanical seal flushing system through the communicating pipe 38, that is, the flushing fluid in the liquid storage tank 21 enters the coil heat exchanger inlet pipe 33 to supplement the flushing fluid, thereby improving the detection time capability for the mechanical seal operation and fully meeting the detection time requirement.

When the PLAN 23+PLAN 53C flushing scheme is needed, namely the liquid inlet branch pipe 232 and the liquid outlet pipe 22 of the liquid storage tank are respectively connected with a flushing liquid outlet and inlet which are sealed at the medium side and need the PLAN 23 flushing scheme in the mechanical seal to be tested, the liquid outlet pipe valve 221 of the liquid storage tank is opened, the liquid inlet branch pipe valve 2321 of the liquid storage tank is opened, the water inlet pipe valve 241 of the cooling heat exchange coil pipe of the liquid storage tank is opened, and the liquid inlet pipe valve 261 of the liquid storage tank is opened to pressurize the liquid storage tank 21; simultaneously, the coil heat exchanger drain pipe 34 and the flushing fluid inlet and outlet branch pipe 332 of the coil heat exchanger are respectively connected with a flushing fluid inlet and outlet interface of the detected mechanical seal, which is needed to be sealed on the atmosphere side of the PLAN 53C flushing scheme, a booster tank outlet pressure pipe valve 3131 is opened, a coil heat exchanger drain pipe valve 341 is opened, a flushing fluid inlet and outlet branch pipe valve 3321 of the coil heat exchanger is opened, a cooling water inlet pipe valve 351 of the inner cavity of the coil heat exchanger is opened, and a booster tank inlet pressure pipe valve 361 is opened to realize the PLAN 23+PLAN 53C flushing scheme.

The utility model has the advantages of simple structure and convenient use, can complete PLAN 23/PLAN 52 flushing scheme, PLAN 53C flushing scheme and PLAN 23+PLAN 53C flushing scheme mechanical seal operation test work on one set of device.

Claims (1)

1. The auxiliary flushing system device for the mechanical seal operation test is characterized by comprising a frame, a PLAN 23/PLAN 52 flushing system and a PLAN 53C flushing system;

the PLAN 23/PLAN 52 flushing system is formed by fixedly installing a liquid storage tank with an internal cooling heat exchange coil on a rack, a liquid storage tank liquid outlet pipe and a liquid storage tank liquid outlet pipe valve, wherein the liquid storage tank liquid outlet pipe is used for being connected with a mechanically sealed flushing liquid inlet, a liquid storage tank liquid inlet pipe and a liquid storage tank liquid inlet pipe valve are used for being connected with a liquid delivery pump in an experiment, a liquid inlet branch pipe and a liquid inlet branch pipe valve are connected on the liquid storage tank liquid inlet pipe, the liquid inlet branch pipe is used for being connected with a mechanically sealed flushing liquid outlet, a pressure gauge is connected on the liquid storage tank liquid inlet pipe, a liquid storage tank cooling heat exchange coil water inlet pipe and a liquid storage tank cooling heat exchange coil water inlet pipe valve are connected with a cooling water supply pipe installed on the rack, a liquid storage tank cooling heat exchange coil water outlet pipe is connected with a cooling water drain pipe installed on the rack, a liquid storage tank pressure inlet pipe and a liquid storage tank pressure inlet pipe valve are connected with a drain pipe and a drain pipe, and a liquid storage tank pressure inlet pipe is connected with a pressure supply station of a laboratory;

the PLAN 53C flushing system comprises a booster tank, a booster tank pressure gauge, a booster tank emptying pipe and a booster tank emptying pipe valve, a booster tank pressure outlet pipe and a booster tank pressure outlet pipe valve, a booster tank pressure inlet pipe and a booster tank pressure inlet pipe valve, wherein a pressure relief pipe and a pressure relief pipe valve are connected to the booster tank pressure inlet pipe; the system comprises a coil heat exchanger, a liquid outlet pipe of the coil heat exchanger and a liquid outlet pipe valve of the coil heat exchanger, wherein the liquid outlet pipe of the coil heat exchanger is connected with an emptying pipe and an emptying pipe valve, the liquid outlet pipe of the coil heat exchanger is used for being connected with a mechanically sealed flushing liquid inlet, the liquid inlet pipe of the coil heat exchanger is connected with a liquid inlet pipe of the coil heat exchanger, the liquid inlet pipe of the coil heat exchanger is used for being connected with a liquid delivery pump in a laboratory, the liquid inlet pipe of the coil heat exchanger is connected with a flushing liquid inlet pipe and a flushing liquid inlet pipe valve, the flushing liquid inlet pipe is used for being connected with a mechanically sealed flushing liquid outlet, the cooling water inlet pipe of an inner cavity of the coil heat exchanger is connected with a cooling water supply pipe on a rack, and the cooling water outlet pipe of the inner cavity of the coil heat exchanger is connected with a cooling water drain pipe on a mounting rack; a communicating pipe and a communicating pipe valve are arranged between the liquid inlet pipe of the coil heat exchanger and the liquid inlet pipe of the liquid storage tank.

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