CN203404169U - Multifunctional hydraulic oil tank cleaning, filtering and refueling device - Google Patents
Multifunctional hydraulic oil tank cleaning, filtering and refueling device Download PDFInfo
- Publication number
- CN203404169U CN203404169U CN201320408251.4U CN201320408251U CN203404169U CN 203404169 U CN203404169 U CN 203404169U CN 201320408251 U CN201320408251 U CN 201320408251U CN 203404169 U CN203404169 U CN 203404169U
- Authority
- CN
- China
- Prior art keywords
- hydraulic oil
- cleaning
- filter
- filtering
- hydraulic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model discloses a multifunctional hydraulic oil tank cleaning, filtering and refueling device which is composed of a rack, a hydraulic oil tank, two motor pump set power devices, a three-stage filtering device, an electric two-position three-way valve, a hose, a cleaning handle, an on-line pollution detector, a flow meter, a pressure meter, an instrument panel, damping trundles and the like, wherein the hydraulic oil tank, the two motor pump set power devices, the three-stage filtering device, the electric two-position three-way valve, the hose, the cleaning handle, the on-line pollution detector, the flow meter, the pressure meter, the instrument panel, the damping trundles and the like are mounted on the rack. The multifunctional hydraulic oil tank cleaning, filtering and refueling device can be used for cyclically filtering and cleaning various hydraulic oil tanks with cleaning holes or without cleaning holes, and cleaning and recovery can be conducted asynchronously or asynchronously; the multifunctional hydraulic oil tank cleaning, filtering and refueling device has a self-cleaning function and can cyclically filter and clean the hydraulic oil tank of the device, filter and recycle polluted hydraulic oil, and refill a hydraulic oil tank of hydraulic equipment with fresh hydraulic oil. The multifunctional hydraulic oil tank cleaning, filtering and refueling device integrates multiple functions such as cleaning, filtration, recovery, refueling and removal of magnetic impurities, and is compact in structure, convenient to move, easy to operate, suitable for places with a high requirement for space, multifunctional, convenient to use, and beneficial to popularization.
Description
Technical field
The utility model belongs to hydraulics field, particularly a kind of cleaning and filtering oil-filling device.
Background technique
Take in all kinds of machineries that hydraulic energy source is driving force, there is 40% fault to occur in hydraulic system, and there is more than 70% fault in hydraulic system, be that pollution because of hydraulic oil causes, the pollution problem of hydraulic oil has become one of subject matter for restriction hydraulics development, it can make wearing and tearing acceleration, the lost of life, the hydraulic performance decline of hydraulic element, even make spool stuck, so guarantee that the turbidity test of hydraulic oil container and hydraulic oil are a vital job.
At present, the cleaning and filtering method of common hydraulic oil container and hydraulic oil has following several: (1) adds a little wash oil (as kerosene) in the hydraulic oil container that just processes or use a period of time, employing is rocked hydraulic oil container or is cleaned the inner impurity of hydraulic oil container by the method for long handle brush, and this method is not only time-consuming but also require great effort.(2) iron filings, welding slag and other impurity in the hydraulic oil container that employing high pressure air rifle purge has just processed, although can partly clean out impurity, but still can not thoroughly clean out.(3) when annotating new hydraulic oil to equipment, because new hydraulic oil itself can inevitably be subject to polluting, can not guaranteeing to meet the turbidity test of system requirements, so the method for just pouring into simply in equipment hydraulic oil container is worthless, after needing filter plant to filter it, join again in equipment hydraulic oil container, at present existing oil strain dolly can complete this work, but it is functional single, can not be used for cleaning hydraulic oil container.In a word, at present common cleaning fuel-servicing equipment functional single, have certain narrow limitation, can not thoroughly remove the impurity such as iron filings in hydraulic oil container and hydraulic oil.
Model utility content
The purpose of this utility model be to provide a kind of can to hydraulic oil container carry out circulating filtration cleaning and remove magnetic impurity, can clean this device itself hydraulic oil container, can the contaminated hydraulic oil of filtered and recycled, can filter the Multifunctional centralized apparatus for converting refueling to the hydraulic oil container of hydraulic equipment.
The technical solution of the utility model is as follows:
The utility model mainly comprises frame and rack-mounted hydraulic oil container, two groups of electric-motor pump group power plant, three-level filter device, electronic two-bit triplet valve, flexible pipe, cleaning handle, online pollution detection instrument, flowmeter, pressure gauge, instrument panel, shock-absorbing caster wheel.
Wherein, shock-absorbing caster wheel is installed on described frame ground, is convenient to move around.
Wherein, on described hydraulic oil container, the auxiliaries such as air filter, level meter, manual ball valve, instrument panel are installed.
Wherein, in described two groups of electric-motor pump group power plant, every group of electric-motor pump group power plant comprise motor, oil hydraulic pump and the pipeline that is connected to oil hydraulic pump oil inlet and outlet; First group of electric-motor pump group power plant is arranged between described hydraulic oil container and described high pressure raw filter, for giving the cleansing medium be cleaned after hydraulic oil container output filtering or for filtering contaminated hydraulic oil; Second group of electric-motor pump group power plant is arranged on and is cleaned between hydraulic oil container and described magnetic return filter, for reclaiming to filter, clean the waste liquid producing, after the magnetic contaminant filters such as scrap iron removing of described magnetic return filter, get back in described fuel tank, recycle.
Wherein, described three-level filter device comprises the oil absorption filter being arranged in described hydraulic oil container; Be arranged on high pressure raw filter and the high pressure fine filter of described first group of oil hydraulic pump outlet; Be arranged on described second group of oil hydraulic pump with the magnetic return filter between described hydraulic oil container.
Wherein, described electronic two-bit triplet valve has two, by the break-make of power supply, controlling its commutation realizes oil hydraulic circuit and switches, thereby there are 4 kinds of loop combinations, in conjunction with two groups of electric-motor pump group power plant and two manual ball valves that are arranged on described oil absorption filter outlet, can form 5 kinds of main functions again.(1) two group of synchronous circulating filtration washing function of electric-motor pump group power plant clean and reuse: described first group of electric-motor pump group power plant clean being cleaned hydraulic oil container, the waste liquid after described second group of electric-motor pump group power plant recovery and rinsing, can be used for cleaning just processed or use the hydraulic oil container that can simultaneously put into two cleaning handles after a period of time; The circulating filtration washing function that (2) two groups of electric-motor pump group power plant clean and reuses carry out when different: described first group of electric-motor pump group power plant are to after being cleaned hydraulic oil container and cleaning, by it, be recovered in this novel described hydraulic oil container again, circulation is always gone down, can, for cleaning inconvenient disassembly, cleaning lid and only having an oil outlet, can only put into the hydraulic oil container of a cleaning handle; (3) self-cleaning function: the hydraulic oil container of device described in this model utility itself is carried out to circulating filtration cleaning by described first group of electric-motor pump group power plant; (4) hydraulic oil filtering reclaims function: by described first group of electric-motor pump group power plant, contaminated hydraulic oil in waste liquid recovering container is carried out to circulating filtration, for reclaiming contaminated hydraulic oil; (5) add functional oil: the hydraulic oil container servicing fluids force feed by described first group of electric-motor pump group power plant to hydraulic equipment.
Wherein, described cleaning handle is connected with described flexible pipe, is free end, is convenient to clean.
Wherein, described online pollution detection instrument is dustiness real-time detection apparatus, is arranged on the outlet of described high pressure fine filter.
Wherein, the element such as setting pressure table, flowmeter on described instrument panel, is convenient to observed and recorded Operational Limits and controls the operation of described device.
The utility model compared with prior art tool has the following advantages:
1, can solve the function singleness problem of conventional hydraulic oil tank cleaning machine and oiling trolley, there is cleaning, filtration, recovery, oiling, remove the several functions such as magnetic impurity, can utilize two electronic two-bit triplet valves to switch and realize different functions, a tractor serves several purposes.
2, compact structure, attractive in appearance, be convenient to on-the-spot use, use two groups of electric-motor pump group power plant, adaptability strengthens, of many uses, be applicable to cleanout, without cleanout etc. various types of hydraulic oil containers.
3, there is self-cleaning function, can circulating filtration clean the hydraulic oil container of this device self.
Accompanying drawing explanation
Fig. 1 is the axonometric drawing of a kind of multifunction hydraulic fuel tank of the utility model cleaning and filtering oil-filling device.
Fig. 2 is the plan view of a kind of multifunction hydraulic fuel tank of the utility model cleaning and filtering oil-filling device.
Fig. 3 is the plan view of a kind of multifunction hydraulic fuel tank of the utility model cleaning and filtering oil-filling device.
Fig. 4 is the left view of a kind of multifunction hydraulic fuel tank of the utility model cleaning and filtering oil-filling device.
Fig. 5 is the hydraulic system principle figure of a kind of multifunction hydraulic fuel tank of the utility model cleaning and filtering oil-filling device.
In figure: 1-hydraulic oil container; 2-oil absorption filter; 3-manual ball valve; 4-flexible pipe; 5-cleaning handle; The electronic two-bit triplet valve of 6-; 7-oil hydraulic pump; 8-one-way valve; 9-motor; 10-high pressure raw filter; 11-high pressure fine filter; 12-shock-absorbing caster wheel; The online pollution detection instrument of 13-; 14-flowmeter; 15-magnetic return filter; 16-pressure gauge; 17-instrument panel; 18-level meter; 19-air filter; 20-frame; 21-clean and cover.
Embodiment
Embodiment
As Figure 1-Figure 4, hydraulic oil container 1, oil hydraulic pump 7, motor 9, high pressure raw filter 10, high pressure fine filter 11 are fixed in frame 20 structural drawing of a kind of multifunction hydraulic fuel tank cleaning and filtering oil-filling device the utility model proposes; Frame 20 is installed shock-absorbing caster wheel 12 below and is convenient to mobile; Oil absorption filter 2, magnetic return filter 15, air filter 19, level meter 18, manual ball valve 3-1 and 3-3, instrument panel 17 are installed on hydraulic oil container 1, are cleaned and cover 21; Cleaning handle 5-1 is connected to the filler opening of electronic two-bit triplet valve by flexible pipe 4-1, manual ball valve 3-2, oil absorption filter 2 is also connected to the filler opening of electronic two-bit triplet valve by manual ball valve 3-1, for the oil-feed of electronic two-bit triplet valve provides two kinds of selection modes, provide two kinds of functions; Cleaning handle 5-2 is connected with 4-3 with flexible pipe 4-2 respectively with 5-3, is put into and is cleaned in hydraulic oil container; Cleaning handle 5-4 is connected with one end of electronic two-bit triplet valve 6-2 by flexible pipe 4-4, can be put into and is cleaned hydraulic oil container, the hydraulic oil container 1 of this novel described device own or needs in the equipment hydraulic oil container of hydraulic oil filling according to the function that will realize; Online pollution detection instrument 13 is arranged on the outlet port of high pressure fine filter 11, the dustiness of hydraulic oil during for real-time detection cleaning and filtering; Flowmeter 14 and pressure gauge 16 are arranged on the outlet of online pollution detection instrument 13, flow and pressure while being used for respectively detecting cleaning and filtering oiling.
As shown in Figure 5, the function that it can be realized and the actual programmed sequence of operations of using are as follows for a kind of multifunction hydraulic fuel tank cleaning and filtering oil-filling device Hydraulic System Principle of the utility model embodiment:
1, two groups of synchronous circulating filtration washing functions of electric-motor pump group power plant clean and reuse
Close manual ball valve 3-2, open manual ball valve 3-1, electronic two-bit triplet valve 6-1 power-off, electronic two-bit triplet valve 6-2 energising, cleaning handle 5-2 and 5-3 are put into and be cleaned hydraulic oil container or be connected with the oil inlet and outlet that is cleaned hydraulic oil container, starting electrical machinery 9-1 and motor 9-2, thereby realize for just processed or use after a while, can put into the hydraulic oil container of two cleaning handles simultaneously, synchronously carry out the circulating filtration washing function of oil suction and force feed, this device is owing to having used magnetic return filter 15, so can remove the magnetic impurities such as iron filings that are cleaned in hydraulic oil container.
The circulating filtration washing function carrying out when 2, two groups of electric-motor pump group power plant clean and reuses are different
By cleaning handle 5-2 be cleaned hydraulic oil container outlet and be connected, cleaning handle 5-4 is put in hydraulic oil container 1, close manual ball valve 3-2, open manual ball valve 3-1, electronic two-bit triplet valve 6-1 power-off, electronic two-bit triplet valve 6-2 energising, starting electrical machinery 9-1, to being cleaned hydraulic oil container, clean, after cleaning solution in being cleaned hydraulic oil container reaches certain capacity, electronic two-bit triplet valve 6-1 energising, electronic two-bit triplet valve 6-2 power-off, recovery is cleaned the cleaning solution in hydraulic oil container, cleaning solution after high pressure raw filter 10 and high pressure fine filter 11 in hydraulic oil container 1, after having reclaimed, repeat again above action.This function can be cleaned the lid of Quick-detachable cleaning not and be only had the hydraulic oil container of an oil outlet.
3, self-cleaning function
Close manual ball valve 3-2, open manual ball valve 3-1, electronic two-bit triplet valve 6-1 power-off, electronic two-bit triplet valve 6-2 power-off, by cleaning handle 5-4 be put in hydraulic oil container 1, starting electrical machinery 9-1, realize the circulating filtration function of this device itself, thereby guarantee the clean of the hydraulic oil container 1 of this device own.
4, hydraulic oil filtering reclaims function
Open manual ball valve 3-2, close manual ball valve 3-1, electronic two-bit triplet valve 6-1 power-off, electronic two-bit triplet valve 6-2 energising, cleaning handle 5-1 be put into and in contaminated hydraulic oil, by cleaning handle 5-2, be put into clean container or need in the hydraulic oil container of annex solution force feed, starting electrical machinery 9-1, realizes the filtered and recycled function of contaminated fluid force feed.
5, add functional oil
Open manual ball valve 3-2, close manual ball valve 3-1, electronic two-bit triplet valve 6-1 power-off, electronic two-bit triplet valve 6-2 energising, cleaning handle 5-1 be put into and in oiling drum, by cleaning handle 5-2, be put into clean container or need in the hydraulic oil container of annex solution force feed, starting electrical machinery 9-1, realizes to the hydraulic oil container of hydraulic equipment and carries out servicing fluids force feed function.
Claims (3)
1. a multifunction hydraulic fuel tank cleaning and filtering oil-filling device comprises frame, hydraulic oil container, two groups of electric-motor pump group power plant, three-level filter device, electronic two-bit triplet valve, flexible pipe, cleaning handle, online pollution detection instrument, flowmeter, pressure gauge, instrument panel, shock-absorbing caster wheel;
Described shock-absorbing caster wheel is installed in described frame bottom, is convenient to move around;
The auxiliaries such as air filter, level meter, manual ball valve, instrument panel are installed on described hydraulic oil container;
Described three-level filter device comprises oil absorption filter, high pressure filter, magnetic return filter; Wherein, described high pressure filter comprises high pressure raw filter and high pressure fine filter.
Described online pollution detection instrument is dustiness real-time detection apparatus, is arranged on the outlet of described high pressure fine filter;
The elements such as described pressure gauge, flowmeter are installed on described instrument panel, are convenient to observed and recorded Operational Limits and control the operation of described device;
Described cleaning handle is connected with described flexible pipe, is free end, is convenient to and is cleaned hydraulic oil container and is connected or puts into and be cleaned hydraulic oil container.
2. a kind of multifunction hydraulic fuel tank cleaning and filtering oil-filling device according to claim 1, it is characterized in that, in described two groups of electric-motor pump group power plant, every group of electric-motor pump group power plant comprise motor, oil hydraulic pump and the pipeline that is connected to oil hydraulic pump oil inlet and outlet; First group of electric-motor pump group power plant is arranged between described fuel tank and described high pressure filter, for giving the cleansing medium be cleaned after hydraulic oil container output filtering or for filtering contaminated hydraulic oil; Second group of electric-motor pump group power plant is arranged on and is cleaned between hydraulic oil container and described magnetic return filter, for reclaiming to filter, clean the waste liquid producing, after the magnetic contaminant filters such as scrap iron removing of described magnetic return filter, get back in described fuel tank, recycle.
3. a kind of multifunction hydraulic fuel tank cleaning and filtering oil-filling device according to claim 1, is characterized in that, described three-level filter device comprises the oil absorption filter being arranged in described fuel tank; Be arranged on high pressure raw filter and the high pressure fine filter of the oil hydraulic pump outlet of described first group of electric-motor pump combination unit; Be arranged on the oil hydraulic pump of described second group of electric-motor pump combination unit with the magnetic return filter between described hydraulic oil container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320408251.4U CN203404169U (en) | 2013-07-09 | 2013-07-09 | Multifunctional hydraulic oil tank cleaning, filtering and refueling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320408251.4U CN203404169U (en) | 2013-07-09 | 2013-07-09 | Multifunctional hydraulic oil tank cleaning, filtering and refueling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203404169U true CN203404169U (en) | 2014-01-22 |
Family
ID=49940107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320408251.4U Expired - Fee Related CN203404169U (en) | 2013-07-09 | 2013-07-09 | Multifunctional hydraulic oil tank cleaning, filtering and refueling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203404169U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989938A (en) * | 2015-07-02 | 2015-10-21 | 镇江四联机电科技有限公司 | Full-automatic control hydraulic multifunctional trolley |
| CN105057286A (en) * | 2015-07-17 | 2015-11-18 | 上海汽车变速器有限公司 | Oil cleaning and purifying device for running-in cleaning of wet cavity of transmission and oil cleaning and purifying method thereof |
| CN105202167A (en) * | 2015-10-23 | 2015-12-30 | 天津成科传动机电技术股份有限公司 | Back hanging type on-line oil filtering device for gearbox |
| CN105697971A (en) * | 2014-11-24 | 2016-06-22 | 北京南口轨道交通机械有限责任公司 | Electrical control system |
| CN105782692A (en) * | 2014-12-17 | 2016-07-20 | 北京南口轨道交通机械有限责任公司 | Circulating purification device for lubricant oil |
| CN106050810A (en) * | 2016-07-23 | 2016-10-26 | 唐山工业职业技术学院 | Hydraulic actuator pollution detection and treatment device |
| CN107175235A (en) * | 2017-07-26 | 2017-09-19 | 中铁第四勘察设计院集团有限公司 | Injection combines the hydraulic oil container circulation cleaning device and method of ultrasonic wave |
| CN108856075A (en) * | 2018-06-05 | 2018-11-23 | 中车青岛四方机车车辆股份有限公司 | Gear-box flusher |
| CN108930901A (en) * | 2018-07-12 | 2018-12-04 | 淮安市华东减速机制造有限公司 | A kind of electromechanical equipment maintenance oiling device with filtering function |
| CN110898496A (en) * | 2019-12-26 | 2020-03-24 | 何鹏程 | Car oil tank washes filter equipment |
| CN112824671A (en) * | 2019-11-20 | 2021-05-21 | 上海梅山钢铁股份有限公司 | Environment-friendly fuel circulation purification device for locomotive |
| TWI803807B (en) * | 2021-01-15 | 2023-06-01 | 簡芊羽 | Fuel tank cleaning ball |
-
2013
- 2013-07-09 CN CN201320408251.4U patent/CN203404169U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697971B (en) * | 2014-11-24 | 2018-08-21 | 中车北京南口机械有限公司 | Electric control system |
| CN105697971A (en) * | 2014-11-24 | 2016-06-22 | 北京南口轨道交通机械有限责任公司 | Electrical control system |
| CN105782692A (en) * | 2014-12-17 | 2016-07-20 | 北京南口轨道交通机械有限责任公司 | Circulating purification device for lubricant oil |
| CN104989938A (en) * | 2015-07-02 | 2015-10-21 | 镇江四联机电科技有限公司 | Full-automatic control hydraulic multifunctional trolley |
| CN105057286B (en) * | 2015-07-17 | 2017-03-22 | 上海汽车变速器有限公司 | Oil cleaning and purifying device for running-in cleaning of wet cavity of transmission and oil cleaning and purifying method thereof |
| CN105057286A (en) * | 2015-07-17 | 2015-11-18 | 上海汽车变速器有限公司 | Oil cleaning and purifying device for running-in cleaning of wet cavity of transmission and oil cleaning and purifying method thereof |
| CN105202167B (en) * | 2015-10-23 | 2018-05-25 | 天津成科传动机电技术股份有限公司 | Back hanging type gear-box fluid on-line filtration device |
| CN105202167A (en) * | 2015-10-23 | 2015-12-30 | 天津成科传动机电技术股份有限公司 | Back hanging type on-line oil filtering device for gearbox |
| CN106050810A (en) * | 2016-07-23 | 2016-10-26 | 唐山工业职业技术学院 | Hydraulic actuator pollution detection and treatment device |
| CN107175235A (en) * | 2017-07-26 | 2017-09-19 | 中铁第四勘察设计院集团有限公司 | Injection combines the hydraulic oil container circulation cleaning device and method of ultrasonic wave |
| CN108856075A (en) * | 2018-06-05 | 2018-11-23 | 中车青岛四方机车车辆股份有限公司 | Gear-box flusher |
| CN108856075B (en) * | 2018-06-05 | 2020-09-29 | 中车青岛四方机车车辆股份有限公司 | Gear box flushing device |
| CN108930901A (en) * | 2018-07-12 | 2018-12-04 | 淮安市华东减速机制造有限公司 | A kind of electromechanical equipment maintenance oiling device with filtering function |
| CN112824671A (en) * | 2019-11-20 | 2021-05-21 | 上海梅山钢铁股份有限公司 | Environment-friendly fuel circulation purification device for locomotive |
| CN110898496A (en) * | 2019-12-26 | 2020-03-24 | 何鹏程 | Car oil tank washes filter equipment |
| TWI803807B (en) * | 2021-01-15 | 2023-06-01 | 簡芊羽 | Fuel tank cleaning ball |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203404169U (en) | Multifunctional hydraulic oil tank cleaning, filtering and refueling device | |
| CN201002082Y (en) | Bearing cleaning device with filtering function | |
| CN201952647U (en) | Hot water circulating type energy-saving and water-saving washing machine | |
| CN206705829U (en) | It is exclusively used in the system that zero-emission recycling is carried out to wastewater from car washer | |
| CN202527401U (en) | Hydraulic component cleaning machine for engineering machinery | |
| CN107721008B (en) | Water purifying equipment for treating rust water in pipeline | |
| CN206701794U (en) | A kind of novel washing air-dry machine | |
| CN215838849U (en) | Cleaning device | |
| CN201618458U (en) | Full automatic backwash type filter | |
| CN213285809U (en) | Water-cooling filtering cycle system for digit control machine tool | |
| CN214211488U (en) | Cleaning equipment for waste water treatment sediment | |
| CN206009323U (en) | A kind of hardware and cutting-tools cleaning device | |
| CN204093811U (en) | Oil plant cleaning container segregation of waste treating apparatus | |
| CN203875078U (en) | Metal cutting machine tool cooling pond cleaning machine | |
| CN209501380U (en) | A kind of printing wastewater reverse osmosis membrane cleaning machine | |
| CN203765377U (en) | Multifunctional numerically-controlled machine tool coolant replacement device | |
| CN209468208U (en) | Water purification equipment for intelligent car washing device | |
| CN202762543U (en) | Scrap iron filter bed | |
| CN207508839U (en) | A kind of Sewage treatment for numerical control machining center utilizes device | |
| CN206807389U (en) | A kind of photovoltaic module cleans wastewater recycling system automatically | |
| CN111871952A (en) | Industrial cleaning cyclic regeneration emission reduction system | |
| CN206915872U (en) | A kind of Sewage treatment utilizes device | |
| CN111646584A (en) | Special environment-friendly cleaning and recycling vehicle for oil field and recycling method | |
| CN205145756U (en) | Automatic circulating filter apparatus of waste lye | |
| CN204841167U (en) | Filtering cycle device is concentrated to lathe bearing cleaner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20140709 |
|
| EXPY | Termination of patent right or utility model |