CN108211515A - A kind of filter method - Google Patents
A kind of filter method Download PDFInfo
- Publication number
- CN108211515A CN108211515A CN201711486336.3A CN201711486336A CN108211515A CN 108211515 A CN108211515 A CN 108211515A CN 201711486336 A CN201711486336 A CN 201711486336A CN 108211515 A CN108211515 A CN 108211515A
- Authority
- CN
- China
- Prior art keywords
- oil
- filter
- filter bag
- hard
- edge
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
- B01D33/0307—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with bag, cage, hose, tube, sleeve or the like filtering elements
- B01D33/033—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with bag, cage, hose, tube, sleeve or the like filtering elements arranged for outward flow filtration
- B01D33/0338—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with bag, cage, hose, tube, sleeve or the like filtering elements arranged for outward flow filtration open ended
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
- B01D37/043—Controlling the filtration by flow measuring
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
- G06F2200/20—Indexing scheme relating to G06F1/20
- G06F2200/201—Cooling arrangements using cooling fluid
Abstract
The present invention relates to for outside flow filtration engineering device technique field, especially a kind of filter method includes the following steps：Step 1: coarse filtration：After oil recycling, impurity larger in oil is pulled out；Step 2: the installation of filter bag：Prepare a filter device, which includes hard lauter tub, filter bag and the clamp for the edge of filter bag to be blocked；Hard lauter tub is equipped with U-shaped groove, shaft, the blade in shaft and the support plate driven by blade, and the end of shaft is equipped with rotating handle；Filter bag is put into hard lauter tub；Then by the outside crimping in the edge of filter bag so that the edge at crimping with hard lauter tub is bonded, and is then rotated clamp and is blocked the edge of filter bag；U-shaped opening surrounding side wall is also subjected to crimping simultaneously so that the crimping wraps the side wall of U-shaped groove；Step 3: essence filtering：Oil in step 1 is added in filter bag, starts to filter.This programme can accelerate the filter efficiency of oil.
Description
Technical field
The present invention relates to for outside flow filtration engineering device technique field, and in particular to a kind of filter method.
Background technology
Computer is common electronic product in life, and the cooling means of computer housing is also in continuous improvement and progress；
The prior art has come out a kind of new method cooled down to computer housing, i.e. oil cooling；The principle of oil cooling is by entire mainboard packet
It includes video card to be immersed in transformer oil, relative to air cooling and the mode of water cooling, oil cooling can almost save wind all on cabinet
Fan, transformer oil heat dissipation is efficient, more insulate than air；And noise can be reduced.With universal, time of transformer oil of technology
It receives filtering and also becomes the problem of current manufacturer more focuses on.
Duplex strainer is also referred to as duplex switch filtering device, it is formed in parallel by two stainless steel filters, has structure
Many advantages, such as new reasonable, good airproof performance, negotiability are strong, easy to operate.Especially filter bag side leakage probability is small, can not only protect
Filtering accuracy is demonstrate,proved, and can quickly replace filter bag.
The liquid material in many fields is required for carrying out impurity screening by duplex strainer, as follows：In petrochemical industry production
Weak erosive material, such as：Water, ammonia, oil product, hydro carbons etc..Corrosive materials in Chemical Manufacture, such as：Caustic soda, dense dilute sulfuric acid,
Carbonic acid, acetic acid etc..Low-temperature material in refrigeration, such as：Liquid methane, liquefied ammonia, liquid oxygen and various cryogens.Light industry and food, pharmaceutical manufacturing
In have the material of hygienic requirements, such as：Beer, beverage, dairy products, grain slurry medical supplies etc..Therefore can also duplex be used to filter
Device carries out recycling filtering to transformer oil (hereinafter referred to as oily).
Duplex strainer is generally in the shape of outermost layer as stainless steel cage, and inside is the stainless steel filtering net of 40 mesh, in order to carry
High yield quality, the needs of constantly meeting and surmount customer, enterprise can be reused on the inside of stainless steel filtering net 120 mesh filter bags into
Impurity in row filter material；If stainless steel filtering net directly is changed to 120 mesh, on the one hand the cost of big mesh number strainer in itself is non-
Chang Anggui and non-easy cleaning and maintenance, on the other hand the equipment be not suitable for producing the larger product of granularity cannot to meet equipment polynary
The needs of metaplasia production.Therefore, it is to improve product quality, while employ filter bag to increase filtering mesh number using the purpose of filter bag
It has been also convenient for the cleaning to filter residue.
There are following technical problems for the prior art：The fixation of filter bag is mainly with duplex strainer shell and stainless steel filtering net
Filter bag is fixed in the occlusion of convex eaves between edge, since fluid makes in the larger pressure that can generate in a flash being passed into filter bag
Filter bag occlusion portion, which often ruptures, there is small hole, needs the filter bag frequently more renewed, this present situation not only results in greatly
Waste, and product quality can be made there are hidden danger, while also seriously affect filter efficiency.
Invention content
The purpose of the present invention is to provide a kind of filter methods, can accelerate the filter efficiency of oil.
In order to achieve the above objectives, base case of the invention is as follows：
A kind of filter method, includes the following steps：
Step 1: coarse filtration：After oil recycling, impurity larger in oil is pulled out；
Step 2: the installation of filter bag：Prepare a filter device, which includes hard lauter tub, filter bag and be used for
The clamp that the edge of filter bag is blocked；Hard lauter tub is equipped with U-shaped groove, shaft, the blade in shaft and by blade band
Dynamic support plate, the end of shaft are equipped with rotating handle；Filter bag is put into hard lauter tub；Then the edge of filter bag is rolled up outward
Side so that the edge at crimping with hard lauter tub is bonded, and is then rotated clamp and is blocked the edge of filter bag；U-shaped is opened simultaneously
Mouth surrounding side wall also carries out crimping so that the crimping wraps the side wall of U-shaped groove；
Step 3: essence filtering：Oil in step 1 is added in filter bag, while oil impacts blade, blade drives
Support plate moves upwards, and then the bottom of filter bag is pushed up；After the amount of reaching, stop being passed through oil into filter bag, start to filter.
This programme generate advantageous effect be：
Oil is added in filter bag by the way of in this method step 3, the oil of flowing can be prevented to be passed into filter bag
The larger pressure that generates in a flash of bottom makes the rupture of filter bag occlusion portion small hole occur.Because blade on oily countershaft into
During row impact so that blade rotates, and blade can drive support plate to move upwards, and then the bottom of filter bag is pushed up, therefore,
Before oil hits filter bag bottom, since support plate has pushed up filter bag bottom, the oil of flowing is being passed into filter bag
The larger pressure that will not generate in a flash of bottom makes filter bag occlusion portion often rupture the small hole of appearance；It does not need to frequently replace
New filter bag.In addition, being filtered using this method to oil, oil is when filter bag is entered, under the action of support plate, filter bag
It is to float, it being capable of feed filtration efficiency.
Preferred embodiment one：It being advanced optimized as to base case, the oil in step 1 after coarse filtration is heated to 60~
70 DEG C, then repeated thermal cycles 7~11 times.Oil (transformer oil) is recycled at this temperature, enables to the oil in oil
Aging product dissolves；And moisture evaporation in oil can be allowed after heating, and then remove the moisture in oil.
Preferred embodiment two：As advanced optimizing to preferred embodiment one, the oil after being recycled in step 1 is cooled to 50
~60 DEG C；Then silica gel is added in into oil, moisture removal is gone to oil；Oil is passed through in the feed pipe in step 3 again.Using silica gel
The moisture being further ensured that in oil is sucked out.
Preferred embodiment three：As advanced optimizing to preferred embodiment two, silica gel is used without alkaline glass wool cloth or fine sand
Cloth is wrapped up pouch and is put into oil.Silica gel is prevented to be scattered in the oil, bad taking-up.
Preferred embodiment four：As advanced optimizing to preferred embodiment three, the rotating handle in step 3 is held, is rotated again
Rotating handle so that support plate moves upwards；Then rotating handle is unclamped, support plate, which moves downward, to set back；So repeatedly it is more this,
Filter bag bottom is vibrated.It is further ensured that filter efficiency, prevents precipitation from running up to filter bag bottom.
Preferred embodiment five：As advanced optimizing to preferred embodiment four, the rotating handle in step 3 is held every 1~2h
Rotation, vibrates filter bag bottom.It is further ensured that filter efficiency, prevents precipitation from running up to filter bag bottom.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of filter method of the present invention；
Fig. 2 is a kind of internal structure schematic diagram of filter method of the present invention；
Fig. 3 is the structure diagram of hard lauter tub and filter bag in Fig. 1；
Fig. 4 is the vertical view of Fig. 1 middle racks and hard lauter tub junction；
Fig. 5 is the structure diagram of strip in Fig. 1；
Fig. 6 is the vertical view of support plate in embodiment 1；
Fig. 7 is the vertical view of support plate in embodiment 2.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail：
Reference numeral in Figure of description includes：First filter 1, the second filter 2, steel cage 11, lid 12, hard
Lauter tub 13, U-shaped groove 131, shaft 132, blade 133, filter bag 14, U-shaped opening 141, feed pipe 3, feeding mouth 31, discharge nozzle 4,
Discharge port 41, clamp 5, rack 6, support plate 61, filter opening 611, outer shroud 612, support bar 613, strip 7.
A kind of filter method, step are as follows：
Step 1: coarse filtration：After oil recycling, impurity larger in oil is pulled out.Oil after coarse filtration is heated to 60~
70 DEG C, repeated thermal cycles 7~11 times.
Then the oil after cycle is cooled to 50~60 DEG C；Then silica gel is added in into oil, and silica gel is used without alkaline glass
Glass silk cloth or fine sand cloth are wrapped up pouch and are put into oil；Moisture removal is gone to oil.
Step 2: the installation of filter bag：Filter bag is specifically to be located in filter device, as shown in Figure 1, Figure 2 and Figure 3, this mistake
It filters device and includes interconnected 1 and second filter 2 of first filter, 1 and second filter 2 of first filter includes steel
Cover 11, the lid 12 coordinated with steel cage 11 and the hard lauter tub 13 in steel cage 11, the steel cage 11 in this programme are stainless steel
Cover 11, hard lauter tub 13 are stainless steel lauter tub.Filter bag 14 is placed in hard lauter tub 13, charging is communicated between two steel cages 11
Pipe 3 and discharge nozzle 4, feed pipe 3 are equipped with feeding mouth 31, and discharge nozzle 4 is equipped with discharge port 41；On feed pipe 3 and discharge nozzle 4
If there are two valve, two valves on feed pipe 3 are located at the both sides of feeding mouth 31；Two valves on discharge nozzle 4 are located at
The both sides of material mouth 41.The edge of steel cage 11 is hinged with multiple clamps 5 for the edge of filter bag 14 to be blocked, and clamp 5 is L
Shape, and the corner of clamp 5 is arcwall face, the inner wall of clamp 5 be equipped with rubber layer (setting of rubber layer increase clamp 5 with
Frictional force between filter bag 14, convenient for the positioning of filter bag 14).As shown in figure 5, strip 7, strip are hinged on the inner wall of steel cage 11
7 are used to block the side wall of U-shaped opening 141.
The edge of hard lauter tub 13 be equipped with arc-shaped convex edge (rolled up outward along convex edge convenient for the edge of filter bag 14, into
And be clipped in filter bag at the convex edge of hard lauter tub convenient for clamp 5).The top of hard lauter tub 13 is equipped with U-shaped groove close to opening
131, shaft 132 is rotatably connected between the two side of U-shaped groove 131, and one end of shaft 132 is reached outside steel cage 11, steel cage
Rotatory sealing (is equipped with sealing ring, the sealing ring and steel cage in the junction of steel cage 11 and shaft 132 between 11 and shaft 132
11 are fixedly connected, and shaft 132 can rotate in sealing ring)；And one end that shaft 132 is reached outside steel cage 11 is equipped with rotation
Handle, the inner wall of rotating handle are equipped with groove, and shaft 132 is reached to be fixedly connected on one end outside steel cage 11 and is inserted into groove
Protrusion, realize the key connection of rotating handle and shaft 132.The setting of rotating handle convenient for people in outside primarily to hold
Shaft 132, and then control the rotation of shaft 132
Shaft 132 is circumferentially with 4~6 blades 133, and feed pipe 3 enters one end in first filter 1 and the first mistake
Blade 133 in filter 1 corresponds to, when the oil in feed pipe 3 impacts blade 133, the blade 133 in first filter 1
It can rotate counterclockwise, and then the rack 6 in first filter 1 is driven to move upwards.Similarly, feed pipe 3 enters the second mistake
One end in filter 2 is corresponding with the blade 133 in first filter 1, when the oil in feed pipe 3 enters the second filtering from this end
Blade 133 can be impacted when in device 2, this blade 133 can rotate clockwise, and then the rack 6 in the second filter 2 is driven to transport upwards
It is dynamic.
The rack 6 for being engaged with the blade 133 in shaft 132 is additionally provided in hard lauter tub 13, as shown in figure 4, in order to
Realize that rack 6 is slidably connected on the inner wall of hard lauter tub 13, rack 6 is T shapes, and hard lauter tub 13 includes strainer portion and bar shaped
Solid part has multiple filter hole 611 in strainer portion, to realize the effect of filtering；And solid part is then one piece of 5~10cm
Solid slab.The solid slab is equipped with the groove slided for the rack 6 of T shapes, and the groove is from the opening of hard lauter tub 13 to downward
Reach the bottom of hard lauter tub 13.The bottom of rack 6 is fixedly connected with the support plate 61 for being useful for contact filter bag bottom, support plate 61
The bottom of filter bag 14 can be held up upwards when being moved upwards with rack 6.As shown in fig. 6, support plate 61 is equipped with more
A filter opening 611.The side of filter bag 14 is equipped with and 131 corresponding U-shaped opening 141 of U-shaped groove.
In addition, rack 6 can scrape filter bag 14 in order to prevent, the outer edge of the tooth on rack 6 is set as to the circle of no corner angle
Arc.
When specific installation filter bag：Lid 12 is opened, filter bag 14 is put into hard lauter tub 13, then by filter bag
The 14 outside crimping in edge so that the edge at crimping with hard lauter tub 13 is bonded, and the clamp 5 then rotated on steel cage 11 will
It blocks at the edge of filter bag 14；141 surrounding side wall of U-shaped opening is also subjected to crimping simultaneously so that the crimping is by U-shaped groove 131
Side wall wraps, and then rotates strip 7, and strip 7 can block the side wall of U-shaped opening 141；To sum up, it realizes to filter bag 14
Fixation.
Step 3: essence filtering：The oil that moisture removal is removed in step 1 is added at feed inlet in feed pipe 3, Jin Ertong
Enter into filter bag 14, while the blade 133 on oily countershaft 132 is impacted so that shaft 132 rotates, and blade 133 can drive
Rack 6 moves upwards, and then the support plate 61 with 6 lower part of carry-over bar moves upwards, and then the bottom of filter bag 14 is pushed up,
When oil is flushed to 14 bottom of filter bag, be primarily subjected to impact force is support plate 61, even if at this time support plate 61 have it is certain
It floats up and down, but since shaft 132 is constantly rotating, it may also reduce the impact force that 14 bottom of filter bag is subject to；When needing to stop
Be passed through into filter bag 14 oil when, grasp rotating handle (i.e. shaft 132 reaches one end outside steel cage 11), then stop to
Oil is passed through in filter bag 14.Then rotating handle is slowly decontroled；Start to filter.
The rotating handle in step 3 is held every 1~2h, rotates rotating handle again, rack moves upwards so that support plate
It moves upwards；Then rotating handle is unclamped, rack moves downward, and support plate sets back；So repeatedly it is more this, to filter bag bottom into
Row vibration.
Embodiment 2
As shown in fig. 7, the present embodiment and embodiment 1 difference lies in, support plate 61 includes outer shroud 612 and support bar 613,
Support bar 613 is disposed in outer shroud 612, and outer shroud 612 is fixedly connected with the bottom of rack 6.It can be fast after being filtered convenient for oil
Speed flows to the bottom of filter from support plate 61, and oil is prevented to be stuck in support plate 61 after filtering.
Above is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made excessively herein in scheme
Description.It should be pointed out that it for those skilled in the art, without departing from the structure of the invention, can also make
Several modifications and improvements, these should also be considered as protection scope of the present invention, these all do not interfere with the effect that the present invention is implemented
And practical applicability.The scope of protection required by this application should be based on the content of the claims, specific in specification
The records such as embodiment can be used for explaining the content of claim.
Claims (6)
1. a kind of filter method, which is characterized in that include the following steps：
Step 1: coarse filtration：After oil recycling, impurity larger in oil is pulled out；
Step 2: the installation of filter bag：Prepare a filter device, which includes hard lauter tub, filter bag and for that will filter
The clamp that the edge of bag blocks；Hard lauter tub be equipped with U-shaped groove, shaft, the blade in shaft and by blade drive
Support plate, the end of shaft are equipped with rotating handle；Filter bag is put into hard lauter tub；Then by the outside crimping in the edge of filter bag,
So that being bonded at crimping with the edge of hard lauter tub, then rotate clamp and block the edge of filter bag；Simultaneously by U-shaped opening four
All side walls also carry out crimping so that the crimping wraps the side wall of U-shaped groove；
Step 3: essence filtering：Oil in step 1 is added in filter bag, while oil impacts blade, blade drives support
Plate moves upwards, and then the bottom of filter bag is pushed up；After the amount of reaching, stop being passed through oil into filter bag, start to filter.
2. a kind of filter method according to claim 1, which is characterized in that the oil in step 1 after coarse filtration is heated to 60
~70 DEG C, then repeated thermal cycles 7~11 times.
3. a kind of filter method according to claim 2, which is characterized in that the oil after being recycled in step 1 is cooled to 50
~60 DEG C；Then silica gel is added in into oil, moisture removal is gone to oil；Oil is passed through in the feed pipe in step 3 again.
4. a kind of filter method according to claim 3, which is characterized in that the silica gel use without alkaline glass wool cloth or
Fine sand cloth is wrapped up pouch and is put into oil.
5. a kind of filter method according to claim 4, which is characterized in that hold the rotating handle in step 3, revolve again
Rotate turning handle so that support plate moves upwards；Then rotating handle is unclamped, support plate, which moves downward, to set back；It is so repeatedly more
This, vibrates filter bag bottom.
6. a kind of filter method according to claim 5, which is characterized in that the rotation in step 3 is held every 1~2h
Handle rotates, and filter bag bottom is vibrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711486336.3A CN108211515B (en) | 2017-12-29 | 2017-12-29 | Filtering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711486336.3A CN108211515B (en) | 2017-12-29 | 2017-12-29 | Filtering method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108211515A true CN108211515A (en) | 2018-06-29 |
| CN108211515B CN108211515B (en) | 2020-07-17 |
Family
ID=62647349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711486336.3A Active CN108211515B (en) | 2017-12-29 | 2017-12-29 | Filtering method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108211515B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112403076A (en) * | 2020-10-17 | 2021-02-26 | 上海颇勒过滤技术有限公司 | Industrial wastewater filtering device convenient for disassembling filter element |
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| CN201719886U (en) * | 2010-07-22 | 2011-01-26 | 浙江海正化工股份有限公司 | Acidic liquid filter |
| CN102061216A (en) * | 2010-12-09 | 2011-05-18 | 浙江飞翔油脂化工有限公司 | High-purity mechanical device production system and method |
| CN201925267U (en) * | 2010-11-24 | 2011-08-10 | 沙市久隆汽车动力转向器有限公司 | Filtering device for recycling of hydraulic oil |
| CN202724758U (en) * | 2012-08-21 | 2013-02-13 | 四川高精净化设备有限公司 | Steam turbine oil purifying machine |
| CN203803186U (en) * | 2014-01-23 | 2014-09-03 | 上海宝田新型建材有限公司 | Automatic cleaning device for water quality filter |
| CN104524841A (en) * | 2014-12-26 | 2015-04-22 | 渤海船舶重工有限责任公司 | Main grease bag type filter method |
| CN204550497U (en) * | 2015-05-04 | 2015-08-12 | 苏州永添设备有限公司 | A kind of simple and easy slagging-off oil extraction high-precision filtration equipment |
| CN106277393A (en) * | 2016-08-18 | 2017-01-04 | 合肥信诺捷科节能服务有限公司 | A kind of trade effluent automatic processing device |
| CN106523068A (en) * | 2016-12-28 | 2017-03-22 | 沪东重机有限公司 | Auxiliary filter system for high-precision lubricating oil of diesel engine |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1392084A (en) * | 1971-03-30 | 1975-04-23 | Atlas As | Apparatus for filtration |
| CN201719886U (en) * | 2010-07-22 | 2011-01-26 | 浙江海正化工股份有限公司 | Acidic liquid filter |
| CN201925267U (en) * | 2010-11-24 | 2011-08-10 | 沙市久隆汽车动力转向器有限公司 | Filtering device for recycling of hydraulic oil |
| CN102061216A (en) * | 2010-12-09 | 2011-05-18 | 浙江飞翔油脂化工有限公司 | High-purity mechanical device production system and method |
| CN202724758U (en) * | 2012-08-21 | 2013-02-13 | 四川高精净化设备有限公司 | Steam turbine oil purifying machine |
| CN203803186U (en) * | 2014-01-23 | 2014-09-03 | 上海宝田新型建材有限公司 | Automatic cleaning device for water quality filter |
| CN104524841A (en) * | 2014-12-26 | 2015-04-22 | 渤海船舶重工有限责任公司 | Main grease bag type filter method |
| CN204550497U (en) * | 2015-05-04 | 2015-08-12 | 苏州永添设备有限公司 | A kind of simple and easy slagging-off oil extraction high-precision filtration equipment |
| CN106277393A (en) * | 2016-08-18 | 2017-01-04 | 合肥信诺捷科节能服务有限公司 | A kind of trade effluent automatic processing device |
| CN106523068A (en) * | 2016-12-28 | 2017-03-22 | 沪东重机有限公司 | Auxiliary filter system for high-precision lubricating oil of diesel engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112403076A (en) * | 2020-10-17 | 2021-02-26 | 上海颇勒过滤技术有限公司 | Industrial wastewater filtering device convenient for disassembling filter element |
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| Publication number | Publication date |
|---|---|
| CN108211515B (en) | 2020-07-17 |
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Inventor after: Su Tao Inventor after: Yu Yan Inventor after: OuYang Gang Inventor after: OuYang Hua Inventor after: Chen Dong Inventor after: Su Shu Inventor before: Chen Dong Inventor before: OuYang Gang Inventor before: Su Shu Inventor before: Yu Yan Inventor before: Su Tao Inventor before: OuYang Hua |
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