CN218638123U - Hydraulic pipeline parallel flushing system - Google Patents

Abstract

The utility model relates to a parallel flushing system of hydraulic pipelines, which comprises a flushing device, a main inlet pipe, a main return pipe and a plurality of groups of parallel branch pipe assemblies, wherein an oil temperature heater is arranged in the flushing device; an oil outlet and an oil return port are arranged on the flushing equipment, a bypass valve is arranged between the oil outlet and the oil return port, the oil outlet and the oil return port are respectively connected with a main inlet pipe and a main return pipe through an outlet valve and an inlet valve at the rear of the bypass valve, and the main inlet pipe is connected with the main return pipe to form a flushing main loop; the parallel branch pipe assembly comprises a plurality of branch pipes and a plurality of branch pipe tooling pipes for connecting the hydraulic pipeline to the branch pipes, each branch pipe tooling pipe is connected to each branch pipe, and a branch pipe valve is arranged at the joint of each branch pipe tooling pipe and each branch pipe; the branch pipes are connected in parallel to the flushing main loop. The utility model is simple in operation effectively, when guaranteeing that hydraulic line is inside to be washed totally, reduce the dismouting work of valve member and frock pipe, reduce construction cycle by a wide margin, improve the product and build the security.

Description

Hydraulic pipeline parallel flushing system

Technical Field

The utility model relates to a shipbuilding field, concretely relates to hydraulic line parallel rinse-system.

Background

In the process of manufacturing and installing a pipeline system (such as a ship hydraulic pipeline), a small amount of solid particles are inevitably attached to the inner wall of the hydraulic pipeline due to pipeline cutting or grinding dust, so that the damage to the system caused by the fact that the particles enter power and execution elements of the hydraulic system along with the pipeline is avoided, and the use safety of the system is influenced.

Conventional hydraulic circuit cleaning employs in-line cleaning of the circuit interior, which is widely accepted for cleanout and is applicable to all hydraulic system circuits through the design and modification of the wash-through path. However, when a large number of execution elements are encountered in the conventional serial cleaning method, when serial cleaning pipelines are designed, all hydraulic pipelines need to be provided with tooling pipes and valve pieces to form a loop with flushing equipment, the valve pieces need to be disassembled for many times, the workload is large, potential safety hazards exist, environmental pollution is possibly caused, and the defects are many.

SUMMERY OF THE UTILITY MODEL

To the problem that exists now, the utility model provides a hydraulic pressure pipeline parallel rinse-system, easy operation is effective, when guaranteeing that hydraulic pressure pipeline is inside to be washed totally, reduces the dismouting work of valve member and frock pipe, reduces construction cycle by a wide margin, improves the product construction security.

The technical scheme of the utility model is realized like this:

a parallel flushing system of a hydraulic pipeline comprises flushing equipment, a main inlet pipe, a main return pipe and a plurality of groups of parallel branch pipe assemblies, wherein an oil temperature heater is arranged in the flushing equipment; an oil outlet and an oil return port are arranged on the flushing equipment, a bypass valve is arranged between the oil outlet and the oil return port, the oil outlet and the oil return port are respectively connected with a main inlet pipe and a main return pipe through an outlet valve and an inlet valve at the rear of the bypass valve, and the main inlet pipe is connected with the main return pipe to form a flushing main loop;

the parallel branch pipe assembly comprises a plurality of branch pipes and a plurality of branch pipe tooling pipes for connecting the hydraulic pipeline to the branch pipes, each branch pipe tooling pipe is connected to each branch pipe, and a branch pipe valve is arranged at the joint of each branch pipe tooling pipe and each branch pipe; the branch pipes are connected in parallel on the flushing main loop.

Preferably, the parallel flushing system further comprises a plurality of vibrators which are evenly distributed on all the pipelines.

Preferably, the tail ends of the main inlet pipe and the main return pipe are provided with a main pipe loop valve, and the main pipe loop valve is used for communicating two ports of the main inlet pipe and the main return pipe.

Preferably, the flushing equipment comprises an oil tank and a flushing pump, the oil tank is communicated with the flushing pump, and an oil outlet and an oil return port are formed in the flushing pump; the oil temperature heater is arranged in the oil tank; the oil outlet is connected with the main inlet pipe at the outlet valve through a main pipe tool pipe, and the oil return port is connected with the main return pipe at the inlet valve through a main pipe tool pipe.

Preferably, a first flow meter is arranged at the oil return port, and an ultrasonic flow meter is connected to each branch pipe.

Preferably, the main return pipe is provided with an oil return fine filter at a position close to the oil return port, and the oil return fine filter is provided with a filter blockage indicator.

Preferably, the main return pipe is provided with an online detector near the oil return port.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses in, each branch connection in the hydraulic pressure pipeline passes through a tub frock pipe and parallel branch pipe subassembly, and each branch pipe is parallelly connected at flushing equipment, always advance on the washing total return circuit that pipe and total return pipe formed, can realize washing the inside washing of hydraulic pressure pipeline that need wash through controlling each valve member, and easy operation is effective, when guaranteeing that hydraulic pressure pipeline is inside to wash totally, need not repeated dismouting branch pipe frock pipe and valve member, greatly improve the efficiency of construction, shorten construction cycle, practice thrift the human cost, also will originally wash return circuit quantity and reduce by a wide margin, in addition, the risk of revealing in the hydraulic pressure pipeline process of washing has been reduced, the product construction security has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of a parallel flushing system of the present invention;

FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the present invention at B in FIG. 1;

fig. 4 is an enlarged schematic view of the point C in fig. 1 according to the present invention.

The attached drawings are as follows:

1. a parallel branch pipe assembly; 11. a branch pipe; 12. a branch pipe tool pipe; 13. a branch valve; 2. a flush pump; 21. an oil outlet; 211. an outlet valve; 22. an oil return port; 221. an inlet valve; 23. a bypass valve; 25. assembling a main pipe tool pipe; 3. a main inlet pipe; 31. a main pipe loop valve; 4. a main return pipe; 5. a vibrator.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", 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 be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

The utility model provides a hydraulic pipeline parallel type flushing system, it is many to be applicable to the pipeline and wear cabin wall quantity, the pipeline distribution area is wide, it is difficult to take over, the pipeline system that work load is big, the flushing system includes flushing equipment, always advance pipe 3, always return pipe 4 and multiunit parallel branch pipe assembly 1, be equipped with oil temperature heater in the flushing equipment, be equipped with oil-out 21 and oil return opening 22 on the flushing equipment, concretely, the flushing equipment includes oil tank and flushing pump 2, the oil tank communicates with flushing pump 2, oil temperature heater sets up in the oil tank, oil-out 21 and oil return opening 22 set up on flushing pump 2; a bypass valve 23 is welded between the oil outlet 21 and the oil return port 22, the oil outlet 21 is connected with an outlet valve 211 at the rear of the bypass valve 23, the outlet valve 211 is connected with a main inlet pipe 3 through a main pipe tooling pipe 25, the oil return port 22 is connected with an inlet valve 221 at the rear of the bypass valve 23, the inlet valve 221 is connected with a main return pipe 4 through the main pipe tooling pipe 25, namely the oil outlet 21 and the oil return port 22 are respectively connected with the main inlet pipe 3 and the main return pipe 4 through the outlet valve 211 and the inlet valve 221 at the rear of the bypass valve 23; the tail ends of the main inlet pipe 3 and the main return pipe 4 are provided with a main pipe loop valve 31, and the tail end of the main inlet pipe 3 is connected with the tail end of the main return pipe 4 through the main pipe loop valve 31 to form a flushing main loop;

the parallel branch pipe assembly 1 comprises a plurality of branch pipes 11 and a plurality of branch pipe tooling pipes 12 used for connecting a hydraulic pipeline to the branch pipes 11, each branch pipe tooling pipe 12 is connected to each branch pipe 11, and a branch pipe valve 13 is arranged at the joint of each branch pipe tooling pipe 12 and each branch pipe 11; the branch pipes 11 are connected in parallel to the flushing main loop.

Specifically, the branch pipes 11 are grouped according to a rule from far to near to form a plurality of groups of parallel branch pipe assemblies 1 which are respectively a group A of parallel branch pipes, a group B of parallel branch pipes, a group C of parallel branch pipes and the like; in the same group of parallel branch pipe assemblies 1, a plurality of branch pipes 11 are connected in parallel on a main flushing loop formed by flushing equipment, a main inlet pipe 3 and a main return pipe 4, and a plurality of hydraulic pipelines are connected to the plurality of branch pipes 11 through a plurality of branch pipe tooling pipes 12, so that the flushing equipment is connected with the plurality of hydraulic pipelines; the oil outlet 21 can be communicated with the main inlet pipe 3 by controlling the outlet valve 211, and the oil return port 22 can be connected with the main return pipe 4 by controlling the inlet valve 221; the flushing medium can be made to flow through one or more of the branch pipes 11 by controlling the branch pipe valves 13;

the hydraulic pipeline to be washed is connected in parallel with the main washing loop through the branch pipe 11, the hydraulic pipeline is washed by the washing equipment through controlling the valve piece, and other hydraulic pipelines do not need to disassemble and assemble the branch pipe tooling pipe 12 and the valve piece, so that the disassembling and assembling work of the branch pipe tooling pipe 12 and the valve piece is reduced, the construction efficiency is greatly improved, the construction period is shortened, the labor cost is saved, and the number of the original washing loops is greatly reduced; in addition, the disassembly and assembly work is reduced, so that the leakage risk in the process of flushing the hydraulic pipeline is reduced, and the construction safety of a product is improved.

Further, the parallel type flushing system also comprises a plurality of vibrators 5, and the plurality of vibrators 5 are uniformly distributed on all pipelines so as to promote impurities attached to the inner part of the pipe wall to be cleaned and carried away at an accelerated speed.

Furthermore, a first flow meter is arranged at the oil return port 22, and an ultrasonic flow meter is connected to each branch pipe 11, so that the first flow meter is used for detecting the flow in the main flushing loop and the ultrasonic flow meter is used for detecting the flow in the branch pipe 11 during the flushing process.

Furthermore, an oil return fine filter is arranged at the position of the main return pipe 4 close to the oil return port 22, and is correspondingly matched with the oil return fine filter to form a multi-loop circulation cleaning pipeline, so that the cleaning effect is improved; and a filter blockage indicator is arranged on the oil return fine filter, and the blockage condition of the oil return fine filter is prompted in the flushing process so as to prompt an operator.

Further, the main return pipe 4 is provided with an online detector near the oil return port 22, and the online detector can monitor and detect the granularity of the cleaning medium in real time, so that the detection and test efficiency is greatly improved.

Specifically, the use of the parallel flush system is as follows:

step one, the arrangement of the parallel flushing system needs to meet the following requirements:

1) The theoretical flow of the flushing total loop is larger than or equal to the sum of the theoretical flows of the branch pipes 11, so that the parallel connection quantity of the pipelines is restrained;

2) The flow of the flushing equipment is greater than the sum of the total flushing loop flow and the theoretical minimum flushing flow of the branch pipe 11;

3) Minimum flush flow calculation for branch 11:

theoretical calculation is carried out by referring to national standard marine hydraulic pipeline connection and installation technical requirements (CB/T3702-1995), the cleanliness grade of a hydraulic oil system and a flushing guide rule (GB/T30508-2014), a formula Re = K Q/(V x d) is substituted, wherein Re is a Reynolds number, the Reynolds number Re is selected to be 4000, the hydraulic fluid is ensured to be in a turbulent flow state, d is the diameter of the pipeline, and V is the flow rate of a flushing medium, so that a minimum flushing flow calculation table of the branch pipe 11 is obtained;

in the flushing process, a first flow meter is used for checking the flow in a flushing main loop and an ultrasonic flow meter is used for checking the flow in a branch tube 11, the requirements are met, and if the requirements are not met, the number of loops of the branch tube 11 is reduced;

step two, pipeline connection:

1) An oil outlet 21 of the washing pump 2 is connected with a main inlet pipe 3 through a main pipe tooling pipe 25, and an oil return port 22 is connected with a main return pipe 4 through the main pipe tooling pipe 25;

2) A main pipe loop valve 31 is connected at the tail ends of the main inlet pipe 3 and the main return pipe 4 to form a flushing main loop; connecting the branch pipes 11 to a main flushing loop according to a parallel logic design;

3) A plurality of hydraulic pipelines are connected to the branch pipe 11 through a branch pipe tool pipe 12;

step three, cleaning the pipelines, taking cleaning of a plurality of hydraulic oil pipelines as an example:

1) The outlet valve 211 and the inlet valve 221 are closed; closing an inlet valve and an outlet valve of the oil return fine filter;

2) Transferring new oil from the oil drum into the oil tank through an oil filling port on the oil tank until the calibrated working liquid level, and strictly preventing pollutants from entering a flushing system;

3) Turning on an oil temperature heater of the oil tank, and turning off the heater when the oil temperature rises to about 50 ℃;

4) Opening a suction port valve of the washing pump 2, opening a bypass valve 23, switching on a power supply, starting a motor, checking that the rotation direction of the pump is correct, rotating the motor for about 2-3 min, and stopping the machine;

5) The outlet valve 211, the inlet valve 221 and the manifold return valve 31 are opened, and the bypass valve 23 and the branch valve 13 are disconnected; starting a motor, injecting oil to a main flushing loop for flushing, checking the oil level of an oil tank at any time and adding oil to a calibrated working liquid level;

6) Deflating the flushing loop and checking whether the pipeline leaks;

7) Closing the main pipe loop valve 31, opening the branch pipe valves 13 in the group A of the parallel branch pipes, enabling all oil to flow through the branch pipes 11 in the group A of the parallel branch pipes, effectively flushing the inner walls of pipelines of the branch pipes 11, detecting the flow in a flushing main loop by using a first flow meter and detecting the flow in the branch pipes 11 by using an ultrasonic flow meter in the process, wherein the flow in each branch pipe 11 needs to meet the requirements in the step one, and if the flow does not meet the requirements, the number of the branch pipes 11 needs to be reduced;

8) In the washing process, sampling and detecting the cleaning condition of the filter element at the position close to the oil return opening 22, monitoring and detecting the granularity of the cleaning medium by using an online detector, sampling and sending the cleaning medium to an external inspection after no problem exists; checking the filter blockage indicator frequently to know the blockage condition of the oil return fine filter;

9) After the requirement of the step one and various detection requirements are met, the flushing main loop is repeatedly filled with oil for flushing, and then the branch pipes 11 in the group B of the parallel branch pipes are flushed until the flushing requirement is met;

10 Repeating the above processes until the final flushing requirement of the hydraulic pipeline is met, namely the flushing is finished;

11 To return the piping to real ship operation as soon as possible after the flushing is complete; care was taken to avoid 2 contaminations during the recovery process.

To sum up, the utility model reduces the disassembly and assembly work of the tool pipe, greatly reduces the number of the original cleaning loops, reduces the number of times of the transfer of the flushing equipment, greatly improves the construction efficiency, shortens the construction period and saves the labor cost; the manufacturing and purchasing quantity of the tooling pipes is reduced, and the material cost is saved; the risk of leakage of a system flushing medium in the pipeline cleaning process is reduced, and the product construction safety is improved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A parallel hydraulic pipeline flushing system is characterized in that,

the device comprises a flushing device, a main inlet pipe (3), a main return pipe (4) and a plurality of groups of parallel branch pipe assemblies (1), wherein an oil temperature heater is arranged in the flushing device; an oil outlet (21) and an oil return port (22) are arranged on the flushing equipment, a bypass valve (23) is arranged between the oil outlet (21) and the oil return port (22), the oil outlet (21) and the oil return port (22) are respectively connected with the main inlet pipe (3) and the main return pipe (4) through an outlet valve (211) and an inlet valve (221) at the rear of the bypass valve (23), and the main inlet pipe (3) is connected with the main return pipe (4) to form a flushing main loop;

the parallel branch pipe assembly (1) comprises a plurality of branch pipes (11) and a plurality of branch pipe tooling pipes (12) used for connecting a hydraulic pipeline to the branch pipes (11), each branch pipe tooling pipe (12) is connected to each branch pipe (11), and a branch pipe valve (13) is arranged at the connection part of each branch pipe tooling pipe (12) and each branch pipe (11); the branch pipes (11) are connected in parallel to the flushing main loop.

2. Parallel hydraulic line flushing system according to claim 1,

the pipeline-type gas-liquid separator is characterized by further comprising a plurality of vibrators (5), wherein the vibrators (5) are uniformly distributed on all pipelines.

3. Parallel hydraulic line flushing system according to claim 1,

the tail ends of the main inlet pipe (3) and the main return pipe (4) are provided with a main pipe loop valve (31), and the main pipe loop valve (31) is used for communicating two ports of the main inlet pipe (3) and the main return pipe (4).

4. Parallel hydraulic line flushing system according to claim 1,

the flushing equipment comprises an oil tank and a flushing pump (2), the oil tank is communicated with the flushing pump (2), and the oil outlet (21) and the oil return port (22) are arranged on the flushing pump (2); the oil temperature heater is arranged in the oil tank; the oil outlet (21) is connected with the main inlet pipe (3) at the outlet valve (211) through a main pipe tool pipe (25), and the oil return port (22) is connected with the main return pipe (4) at the inlet valve (221) through the main pipe tool pipe (25).

5. Parallel hydraulic line flushing system according to claim 1,

a first flowmeter is arranged at the oil return port (22), and each branch pipe (11) is connected with an ultrasonic flowmeter.

6. Parallel hydraulic line flushing system according to claim 1,

an oil return fine filter is arranged at a position, close to the oil return opening (22), of the main return pipe (4), and a filter blockage indicator is arranged on the oil return fine filter.

7. Parallel hydraulic line flushing system according to claim 1,

an online detector is arranged at the position, close to the oil return opening (22), of the main return pipe (4).

Images