Online purification device for hydraulic station

Abstract

The utility model discloses an online purification device for a hydraulic station, which relates to the technical field of purification of hydraulic stations, is used for solving the problems in the prior art and comprises a purification device frame, a water absorption filter, a precision filter and a control cabinet are arranged on the purification device frame, the water absorption filter is connected with an oil inlet pipe, and the precision filter is connected with an oil outlet pipe. The water absorption filter is connected with the precision filter through a pipeline, and the end of the oil inlet pipe is an oil inlet pipe opening; a variable frequency gear pump, an oil inlet sampling valve, an oil inlet window and a first pressure sensor are sequentially arranged on the oil inlet pipe from an oil inlet pipe opening to the water absorption filter; according to the scheme, online purification is conducted, the structural design is reasonable, the matching effect is good, the cleanliness and the water content of the purified oil product can be obviously improved, the oil product quality is guaranteed, meanwhile, energy consumption is reduced, manual guarding is not needed, the energy consumption is reduced, and the production efficiency is improved. And the labor intensity of workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hydraulic station purification, particularly relates to hydraulic station online purification device. BACKGROUND

[0002] The hydraulic station is an important basis of the equipment hydraulic system, and the oil quality directly influences the stability of the hydraulic system operation. With the extension of the operation time, the particle impurities and water content in the oil are continuously increased, the oil quality is continuously decreased, and the normal operation of the hydraulic system is affected. The pipeline of the hydraulic station is complex, and the available space is limited. Miniaturization, high precision and low energy consumption of the purification device become the main development direction of the purification device.

[0003] The current hydraulic oil dehydration mode includes vacuum dehydration, centrifugal dehydration and coalescence dehydration. The vacuum dehydration has high energy consumption, the centrifugal dehydration device is large, and the coalescence dehydration is difficult to complete the dehydration work alone. The defects of the three dehydration processes limit the miniaturization development of the dehydration process. The filter element filtration is a common means in the field of hydraulic oil purification. However, the impurity removal filter element assembled in the current hydraulic station supporting device has low precision, mostly 20-80 microns, and it is difficult to effectively improve the cleanliness of the oil.

[0004] At present, the purification device matched with the hydraulic station needs to frequently replace the filter element when removing the impurities and water, and it is difficult to remove the impurities and water at the same time. There is a risk of oil leakage and environmental pollution in the filter element replacement process. At the same time, the purification device has fixed flow, large power, low filter element precision and poor impurity removal effect. As a supporting device, the fixed purification flow is difficult to realize the follow-up adjustment with the oil quality of the hydraulic station, which will cause resource waste.

[0005] Therefore, in view of the above-mentioned defects in actual production and implementation, the hydraulic station online purification device is provided, which is used for solving the problems in the prior art. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing hydraulic station online purification device, to solve the problem that the impurities are not removed sufficiently in the oil purification process, the dehydration is difficult, the purification equipment has low intelligent degree, the purification device occupies large space and other problems, realize high-precision removal of impurities and water, automatic control of purification flow, and deeply improve the oil quality.

[0007] The technical scheme of the utility model is realized as follows:

[0008] The hydraulic station online purification device comprises a purification device frame, a water absorption filter, a precision filter and a control cabinet are arranged on the purification device frame, an oil inlet pipe is connected with the water absorption filter, the water absorption filter and the precision filter are connected through pipelines, and the end of the oil inlet pipe is an oil inlet pipe opening;

[0009] A frequency conversion gear pump, an oil inlet sampling valve, an oil inlet window and a first pressure sensor are sequentially arranged on the oil inlet pipe from the oil inlet pipe opening to the water absorption filter.

[0010] An oil outlet sampling valve and an oil outlet window are sequentially arranged on an oil outlet pipe from the precision filter to an oil outlet.

[0011] Universal wheels are arranged on the bottom of the purification device frame.

[0012] As a preferred embodiment, a second pressure sensor is arranged on the pipeline between the water absorption filter and the precision filter.

[0013] As a preferred embodiment, the purification device frame comprises a bottom frame, a longitudinal frame and a support plate are arranged on the bottom frame, and through holes are arranged on the support plate for the pipeline to pass through,

[0014] The frequency conversion gear pump is arranged on the bottom frame,

[0015] The control cabinet is fixed on the longitudinal frame,

[0016] The water absorption filter and the precision filter are fixed on the support plate.

[0017] In the scheme, the water absorption filter, the pressure sensor, the frequency conversion gear pump, the oil inlet and outlet sampling valves and the windows are connected through pipelines, the equipment is started and stopped through the control cabinet operation panel or is controlled in the background through a remote control module, the frequency of the frequency conversion gear pump is adjusted according to the purification condition, the purification flow is controlled, the pressure data is transmitted to the purification device in real time through the pressure sensor, the filter core pressure curve is recorded in the background, the filter core running state is analyzed, the filter core replacement time is predicted, manpower and material resources are saved, and resource waste is avoided.

[0018] The main design points are that the online purification equipment is intelligently controlled, visual operation is realized, background data tracking is realized, filter core pressure overrun early warning is realized, impurities and moisture can be removed at the same time in single purification, filter cores do not need to be frequently replaced, purification efficiency is improved, purification flow can be adjusted online, linkage adjustment of hydraulic station oil quality and purification flow is realized, and energy consumption is reduced.

[0019] The hydraulic station online purification device has the following beneficial effects:

[0020] The application of the scheme can realize online purification, has reasonable structure design and good matching effect, can obviously improve the cleanliness and water content of the purified oil, can reduce energy consumption while ensuring the quality of the oil, does not need manual attendance, reduces the labor intensity of workers, and has good practicability.

[0021] (1) The purification device is provided with high-precision impurity removal filter elements, water absorption filter elements and an automatic control system, and the cleanliness and water content of the purified oil are obviously improved.

[0022] (2) The matching effect is good. The oil to be purified passes through the water removal filter elements to remove water content and the precision filter elements to remove impurities, and the purified oil returns to the hydraulic station, and the purification process does not affect the operation of the hydraulic system.

[0023] (3) The purification flow rate is adjustable. With the continuous purification process, the equipment power can be reduced after the initial purification of the entire hydraulic station is completed, small flow rate operation is realized, the quality of the oil is ensured, and energy consumption is reduced.

[0024] (4) Intelligent and visual. The purification device can monitor the equipment operation in the background, the pressure sensor can display the equipment operation pressure in real time, the background can remind the filter element usage state, unattended operation is realized, and manpower and resources are saved.

[0025] (5) Good environmental adaptability. The purification device can be externally connected to the hydraulic oil tank as a matching equipment of the hydraulic station to purify the oil, and the mobile wheels installed at the bottom of the purification device can purify the oil in multiple hydraulic stations, and the good environmental adaptability can greatly expand the service range of the purification equipment. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0027] Fig. 1 It is a perspective view of the embodiment of the present application.

[0028] Fig. 2 It is a front view of the embodiment of the present application.

[0029] In the figure, 1 is a control cabinet, 2 is a precision filter, 3 is a second pressure sensor, 4 is a water absorption filter, 5 is a first pressure sensor, 6 is an oil inlet window, 7 is an oil inlet sampling valve, 8 is a mobile wheel, 9 is an oil outlet sampling valve, 10 is a variable frequency gear pump, 11 is an oil outlet window, 12 is a purification device frame, 13 is an oil outlet pipe, 14 is an oil inlet pipe, 15 is an oil outlet pipe, and 16 is an oil inlet pipe. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0031] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0032] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features.

[0033] In the description of the embodiments, unless otherwise expressly specified and limited, the terms "set," "connect," etc., should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or a connection through an intermediate medium, or it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] like Figs. 1-2 As shown, the hydraulic station online purification device includes a purification device frame 12. A water suction filter 4, a precision filter 2 and a control cabinet 1 are installed on the purification device frame 12. The water suction filter 4 is connected to an oil inlet pipe 16. The water suction filter 4 and the precision filter 2 are connected by a pipeline. The end of the oil inlet pipe 16 is an oil inlet port 14.

[0035] A variable frequency gear pump 10, an oil inlet sampling valve 7, an oil inlet window 6 and a first pressure sensor 5 are sequentially installed on the oil inlet pipe 16 from the oil inlet port 14 to the water suction filter 4.

[0036] An oil outlet sampling valve 9 and an oil outlet viewing window 11 are sequentially installed on the oil outlet pipe 15 from the precision filter 2 to the oil outlet 13.

[0037] The bottom of the purification device frame 12 is equipped with casters 8.

[0038] A second pressure sensor 3 is installed on the pipeline between the water absorption filter 4 and the precision filter 2.

[0039] The purification device frame 12 comprises a bottom frame, a longitudinal frame arranged on the bottom frame, and a support plate provided with through holes for pipes,

[0040] The variable frequency gear pump 10 is arranged on the bottom frame,

[0041] The control cabinet 1 is fixed on the longitudinal frame,

[0042] The water absorption filter 4 and the precision filter 2 are fixed on the support plate.

[0043] In the scheme, the water absorption filter 4, the pressure sensor 5, the variable frequency gear pump 10, the oil inlet and outlet sampling valve, and the window are connected through pipes, the equipment is started and stopped through the operation panel of the control cabinet 1, or is controlled in the background through a remote control module, the frequency of the variable frequency gear pump 10 is adjusted according to the purification condition, and the purification flow is controlled. The pressure sensor 5 transmits pressure data to the purification device in real time, the pressure curve of the filter element is recorded in the background, the running state of the filter element is analyzed, the filter element replacement time is predicted, manpower and material resources are saved, and resource waste is avoided.

[0044] The main design points are that the online purification equipment is intelligently controlled, visual operation is realized, background data tracking is realized, filter element pressure overrun early warning is realized, impurities and moisture can be removed at the same time in single purification, the filter element does not need to be frequently replaced, and the purification efficiency is improved, and the purification flow can be adjusted online, the linkage adjustment of the hydraulic station oil quality and the purification flow is realized, and the energy consumption is reduced.

[0045] The utility model discloses the beneficial effects are:

[0046] The utility model discloses the online purification of the scheme, and the structure design is reasonable, and the matching effect is good, and the cleanliness and water content of oil after purification can be obviously improved, the energy consumption is reduced while guaranteeing the oil quality, manual attendance is not needed, the labor intensity of workers is reduced, and the utility model has good practicality. The specific embodiment is as follows:

[0047] (1) the scheme is small in size, full in function, the purification device is provided with high-precision impurity removal filter elements, water absorption filter elements and an automatic control system, and the overall size is only 750mm*400mm*710mm in actual implementation. While realizing the intelligence and miniaturization of the purification device, the high-precision impurity removal filter elements and the dehydration filter elements are assembled, and the cleanliness and water content of oil after purification are obviously improved.

[0048] (2) the matching effect is good. After the water content is removed by the dehydration filter elements, the oil is purified by the precision filter elements 2, and then is returned to the hydraulic station, and the purification process does not have any influence on the operation of the hydraulic system.

[0049] (3) the purification flow is adjustable. With the continuous purification process, the equipment power can be reduced after the initial purification of the whole hydraulic station is completed, small flow operation is realized, the oil quality is guaranteed, and the energy consumption is reduced.

[0050] (4)Intelligent and visual. The purification device can monitor the equipment operation in the background, the pressure sensor 5 can display the equipment operation pressure in real time, the background can remind the filter core usage state, the unattended operation can be realized, and manpower and material resources can be saved.

[0051] (5) Excellent environmental adaptability. The purification device can be used as a liquid hydraulic station matched equipment and externally connected to the hydraulic oil tank to purify the oil, and after the mobile wheels 8 are installed at the bottom of the purification device, the oil can be purified in multiple hydraulic stations, and the good environmental adaptability can greatly expand the service range of the purification equipment.

[0052] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary technical personnel in the art; when the combination of technical solutions appears contradictory or unachievable, it shall be considered that the combination of technical solutions does not exist and is not within the protection scope required by the present application.

Claims

1. An on-line purging device for a hydraulic station, characterized in that, Including the purification device frame, be provided with water suction filter, precision filter and control cabinet on it, the water suction filter is connected with oil inlet pipe, the water suction filter and precision filter are connected with pipeline, The oil inlet pipe is provided with frequency conversion gear pump, oil inlet sampling valve, oil inlet window and first pressure sensor from oil inlet pipe to water suction filter; The oil outlet pipe is provided with oil outlet sampling valve and oil outlet window from precision filter to oil outlet in turn; The bottom of the purification device frame is provided with universal wheel.

2. The hydraulic station online purifying device according to claim 1, characterized in that, The pipeline between the water suction filter and the precision filter is provided with a second pressure sensor.

3. The hydraulic station online purifying device according to claim 1, characterized in that, The purification device frame includes a bottom frame, a longitudinal frame and a support plate are provided on the bottom frame, The frequency conversion gear pump is arranged on the bottom frame, The control cabinet is fixed on the longitudinal frame, The water suction filter and the precision filter are fixed on the support plate.

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