CN205672664U - A kind of dual-effect refrigeration and extra accuracy filter plant - Google Patents
A kind of dual-effect refrigeration and extra accuracy filter plant Download PDFInfo
- Publication number
- CN205672664U CN205672664U CN201620608579.4U CN201620608579U CN205672664U CN 205672664 U CN205672664 U CN 205672664U CN 201620608579 U CN201620608579 U CN 201620608579U CN 205672664 U CN205672664 U CN 205672664U
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- Prior art keywords
- filter
- superfinishing
- oil
- dual
- oil slick
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- Expired - Fee Related
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 38
- 230000009977 dual effect Effects 0.000 title claims abstract description 23
- 238000001914 filtration Methods 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 239000002828 fuel tank Substances 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 239000000446 fuel Substances 0.000 claims description 11
- 230000003139 buffering effect Effects 0.000 claims description 8
- 238000007667 floating Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 4
- 238000011001 backwashing Methods 0.000 claims description 3
- 239000003129 oil well Substances 0.000 claims description 3
- 239000000872 buffer Substances 0.000 claims description 2
- 239000002173 cutting fluid Substances 0.000 abstract description 17
- 238000003754 machining Methods 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000002950 deficient Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 19
- 239000000686 essence Substances 0.000 description 9
- 239000003507 refrigerant Substances 0.000 description 6
- 239000002893 slag Substances 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Auxiliary Devices For Machine Tools (AREA)
Abstract
The utility model discloses a kind of dual-effect refrigeration and extra accuracy filter plant, including for the dirty fuel tank housing the dirty oil of lathe；For carrying out coarse filter device and the fine filtering apparatus of primary filter and cascade filtration respectively to dirty oil；Connect with described fine filtering apparatus respectively, can simultaneously and/or the two or more superfinishing filter that runs in turn；For the backwash mechanism that the filter core in this two or more superfinishing filter is backwashed in turn；Scrape oil slick device with two or more superfinishing filter connects respectively；And for carrying out cooling process and the double refrigerating plants cooling down machine tool chief axis to the clean oil being exported by superfinishing filter.Advantage of the present utility model at least that: on the one hand machine tool chief axis can be freezed by double refrigerating plants, thus avoid expanding with heat and contract with cold and have influence on machining accuracy, fraction defective is caused to increase, on the other hand the temperature of cutting fluid can be controlled, place cutting fluid temperature instability and affect cutting effect.
Description
Technical field
The utility model relates to a kind of cutting fluid filter plant, particularly relates to a kind of modular dual-effect refrigeration and extra accuracy
Filter plant.
Background technology
In mechanical processing process, particularly metal mill, cut, cut in process engineering, it usually needs lasting use is cut
Cut liquid cool down cutter and workpiece and lubricate.For reducing production cost, industry typically uses to be circulated cutting fluid and makes
Mode, but use after cutting fluid in usually contain metallic dust and other solid granulates impurity.To this end, in traditional handicraft
The equipment such as the filter vat being arranged on lathe are mostly used i.e. to utilize after carrying out simple filtration slagging-off process to cutting fluid, but,
There is many deficiencies in this mode, for example:
1) one, existing filter plant are all to need manually to go to remove sludge, operate very loaded down with trivial details, and bothersome take
Power.
2) two, in filter process, have an operation to be to backwash filter plant, thus will attach on filter core
Sludge peel off, in backwash process, sump (waste oil) pump cannot work.
3) three, the rear before use temperature fluctuation of cutting fluid is very big, and present machining needs is more and more accurate, cuts
The temperature fluctuation cutting liquid can make cutter and workpiece produce the change expanded with heat and contract with cold, thus affects machining accuracy, in turn results in bad
Product rate improves, and may cause workpiece, cutter the loss such as scrap.
4) four, cutting fluid causes growing anaerobic bacteria because of anoxic, produces stench and goes bad, pollutes surrounding air.
5) five, lathe cooling and main shaft cooling use fuel tank alone, take up room big.
Utility model content
In order to solve above-mentioned technical problem, the purpose of this utility model is that a kind of dual-effect refrigeration and extra accuracy filter and sets
Standby, overcome the deficiencies in the prior art.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of dual-effect refrigeration and extra accuracy filter plant, including
For housing the dirty fuel tank of the dirty oil of lathe；
For carrying out coarse filter device and the fine filtering apparatus of primary filter and cascade filtration respectively to dirty oil；
Connect with described fine filtering apparatus respectively, can simultaneously and/or the two or more superfinishing filter that runs in turn；
For the backwash mechanism that the filter core in this two or more superfinishing filter is backwashed in turn, described backwash
Mechanism is connected with this two or more superfinishing filter respectively；
Connect with two or more superfinishing filter respectively scrapes oil slick device, and described oil slick device of scraping at least includes oil slick
Buffering area and oil slick concentration zones, oil slick is provided with floating oil removing device in oil slick concentration zones described in described oil slick buffering area；
And for carrying out cooling process to the clean oil being exported by superfinishing filter and machine tool chief axis being carried out cold
But double refrigerating plants, described pair of refrigerating plant exports and described with the clean oil of this two or more superfinishing filter respectively
The special fuel reserve tank of machine tool chief axis connects.
Preferably, described floating oil removing device includes oil slick self-fractionating pump, described oil slick self-fractionating pump with for collecting oil slick
Oil slick recycling bin connects.
Preferably, by filter pump, control valve and pipeline between described superfinishing filter and described fine filtering apparatus
Connect.
Preferably, this dual-effect refrigeration and extra accuracy filter plant equipment also include backwashing control unit, work as two or more
Before arbitrary superfinishing filter in superfinishing filter backwashes, described backwash control unit control and this superfinishing mistake
The control valve that filter device connects is closed.
Preferably, described pair of refrigerating plant includes for carrying out cooling process to the clean oil being exported by superfinishing filter
The first refrigerating plant and for the second refrigerating plant that machine tool chief axis is cooled down.
Further, described first refrigerating plant includes interconnective first plate type heat exchanger and the first compressor, two
Individual above superfinishing filter is connected by pipeline with described first plate type heat exchanger respectively.
Further, described second refrigerating plant includes interconnective second plate type heat exchanger and the second compressor, institute
State the second plate type heat exchanger to be connected by oil well pump and pipeline with the special fuel reserve tank of described machine tool chief axis.
Preferably, described superfinishing filter includes a superfinishing filter vat.
Preferably, described coarse filter device uses the coarse filtration case with stainless steel filter screen.
Preferably, described fine filtering apparatus uses essence filter bag, and essence filter bag can by the impurity in cutting fluid effectively
Filter clean, and convenient cleaning.
Compared with prior art, advantage of the present utility model at least that:
On the one hand 1) machine tool chief axis can be freezed by double refrigerating plants, thus avoid expanding with heat and contract with cold having influence on and add
On the other hand work precision, causes fraction defective to increase, and can control the temperature of cutting fluid, places that cutting fluid temperature is unstable and shadow
Ring cutting effect.
2) oil slick does not strike off and can grow anaerobic bacteria, causes cutting fluid to go bad and stinks of, causes air pollution and environmental pollution,
This device adds scrapes oil slick device, oil slick concentrates on oil slick buffer area, enters back into oil slick concentration zones, and strike off, can
Effectively oil, liquid to be separated.
3) three-stage filtration uses at least two superfinishing filter, and it ensure that at least one of which superfinishing filter
Proceed filter action when other superfinishing filters backwash, thus avoid shut down cause treat that work is damaged
Lose.
4) preferred, the coarse filter device of this device uses the coarse filtration case with stainless steel filter screen, fine filtering apparatus
Use essence filter bag, the impurity in cutting fluid can be filtered totally effectively.
Brief description
In order to be illustrated more clearly that the utility model architectural feature and technical essential, below in conjunction with the accompanying drawings and specific embodiment party
The utility model is described in detail by formula.
Fig. 1 is the structural representation of a kind of dual-effect refrigeration disclosed in the utility model embodiment and extra accuracy filter plant
Figure.
Detailed description of the invention
For deficiency of the prior art, this case utility model people through study for a long period of time and practice to propose this modular double
Effect refrigeration and extra accuracy filter plant, it includes integrally disposed following assembly:
A kind of dual-effect refrigeration and extra accuracy filter plant, it is characterised in that include
For housing the dirty fuel tank of the dirty oil of lathe；
For carrying out coarse filter device and the fine filtering apparatus of primary filter and cascade filtration respectively to dirty oil；
Connect with described fine filtering apparatus respectively, for dirty oil carried out three-stage filtration, can simultaneously and/or run in turn
Two or more superfinishing filter；
For the backwash mechanism that the filter core in this two or more superfinishing filter is backwashed in turn, described backwash
Mechanism is connected with this two or more superfinishing filter respectively；
Connect with two or more superfinishing filter respectively scrapes oil slick device, and described oil slick device of scraping at least includes oil slick
Buffering area and oil slick concentration zones, oil slick is provided with floating oil removing device in oil slick concentration zones described in described oil slick buffering area；
And for carrying out cooling process to the clean oil being exported by superfinishing filter and machine tool chief axis being carried out cold
But double refrigerating plants, described pair of refrigerating plant exports and described with the clean oil of this two or more superfinishing filter respectively
The special fuel reserve tank of machine tool chief axis connects.
Preferably, described floating oil removing device includes oil slick self-fractionating pump, described oil slick self-fractionating pump with for collecting oil slick
Oil slick recycling bin connects.
Preferably, by filter pump, control valve and pipeline between described superfinishing filter and described fine filtering apparatus
Connect.
Preferably, this dual-effect refrigeration and extra accuracy filter plant also include backwashing control unit, when two or more superfinishing
Before arbitrary superfinishing filter in filter backwashes, described backwash control unit control filters dress with this superfinishing
The control valve putting connection is closed.
Preferably, described pair of refrigerating plant includes for carrying out cooling process to the clean oil being exported by superfinishing filter
The first refrigerating plant and for the second refrigerating plant that machine tool chief axis is cooled down.
Further, described first refrigerating plant includes interconnective first plate type heat exchanger and the first compressor, two
Individual above superfinishing filter is connected by pipeline with described first plate type heat exchanger respectively.
Further, described second refrigerating plant includes interconnective second plate type heat exchanger and the second compressor, institute
State the second plate type heat exchanger to be connected by oil well pump and pipeline with the special fuel reserve tank of described machine tool chief axis.
Preferably, described superfinishing filter includes a superfinishing filter vat.
Preferably, described coarse filter device uses the coarse filtration case with stainless steel filter screen, and coarse filter device uses not
Rust steel filter screen filtration, no material consumption can be reused, and effectively can filter out thick slag.
Preferably, described fine filtering apparatus uses essence filter bag.Fine filtering apparatus uses stainless steel filtering net design, Ke Yichong
Fine slag can effectively be filtered out, it is ensured that cutting fluid cleanliness factor by multiple use, improves working (machining) efficiency, workpiece fineness, extends and cut
Cut liquid to use the cycle, reduce disposal of pollutants and save cutting fluid usage amount and protection lathe etc..
Below in conjunction with accompanying drawing and a preferred embodiment, the technical solution of the utility model is further described.
Refering to Fig. 1, structure and the course of work of this dual-effect refrigeration and extra accuracy filter plant equipment be:
One-level coarse filtration is filtered to three grades of essences:
Dirty liquid input with slag is done to coarse filter device R1 via pipeline L8 by the dirty liquid in lathe dirty fuel tank M by pumping P
Coarse filtration process；
Dirty liquid after coarse filter device R1 is processed does essence filtration treatment by pipeline L9 input to fine filtering apparatus R2,
Concrete, the dirty liquid after coarse filter device R1 is processed passes through pumping P4 via belonging to pipeline L13 suction fine filtering apparatus R2
Dirty liquid district T4 carry out essence filtration treatment；
When control valve V1 is opened, the dirty liquid in dirty liquid district T4 is by filter pump P1, pipeline L and pipeline L2, suction superfinishing mistake
Lauter tub F1 does superfinishing and filters and backwash, in order to promote the service life of filter core, when superfinishing filter vat F1 carries out automatically anti-
Before flushing, control valve V1 is automatically switched off, and control valve V2 automatically opens up, and enters superfinishing filter vat F2 via pipeline L3 and carries out superfinishing mistake
Filter, a preparation and a use designs, it is to avoid shuts down and causes shutdown to treat that work is lost.
Scrape oil slick process:
When in bucket cutting fluid contain substantial amounts of track oil etc. oil slick will effectively cause cutting fluid rotten damage, produce dislike
Smelly etc., this device devises scrapes oil slick device, and this is scraped oil slick device and includes fuel tank, is divided into oil slick buffering area T1 and floats in fuel tank
Oil concentration zones T2, oil slick buffering area T1, for oil slick in case is concentrated to buffering area, enter back into oil slick concentration zones T2 after assembly, floating
Oil concentration zones T2 arranges oil slick self-fractionating pump P3, for scraping oil slick, and is emitted in oil slick recycling bin C, full after take out and reclaim.
Dual-effect refrigeration process:
The refrigeration modes that the present embodiment provides uses double-compressor design, and compressor Y1 and compressor Y2, in compressor Y1
Refrigerant enter refrigerant in plate heat exchanger B1 via pipeline Y1-1, then pipeline Y1-2 is gone out refrigerant, thus reaches equilibrium temperature
Purpose, the refrigerant in compressor Y2 enters refrigerant via pipeline Y2-1, then goes out refrigerant via pipeline Y2-2, thus it is steady to reach main shaft
The purpose of fixed temperature.
After superfinishing filter vat F1, superfinishing filter vat F2 filtration, clean liquid is respectively via pipeline L10 and pipeline L11, then warp
Being entered plate heat exchanger B1 by pipeline L10-1, starting refrigeration, the liquid after refrigeration is more respectively via pipeline L10-2 and pipe
Road L12-1 enters lathe or T3 liquid case, and axis system refrigeration is to use special fuel reserve tank T5, then with pumping P5 via pipeline
L16 suction plate heat exchanger B2, changes through plate and is sent into main shaft S by pipeline L17 again after refrigeration.
The utility model embodiment also uses two kinds of fuel system, illustrates below in conjunction with filter process:
Power save mode: the suction lathe after refrigeration of the clean fluid after superfinishing filter vat F1, superfinishing filter vat F2 filtration
Use, for reaching energy-conservation, use direct type design, directly enter B1 refrigeration machine metal plate via L10 and L11 pipeline through L10-1 pipeline
Swap-in mouth, the liquid after refrigeration is sent by L10-2 again, filters and superfinishing filter vat F1 after refrigeration via L12 pipeline
Clean oil suction lathe use, when backwash before (predeterminable time), control valve V1, V2 open, and allow: superfinishing filter vat F1,
Superfinishing filter vat F2 filters to avoid the lathe liquid that breaks to cause workpiece and tool damage to produce waste product simultaneously, and the time can be according to demand
Set, now: the clean liquid that superfinishing filter vat F1, superfinishing filter vat F2 filter out passes through pipeline L10 and L11 via pipeline L12
Sending into lathe to use, setting control time one arrives, and superfinishing filter vat F1 backwashes, and superfinishing filter vat F2 filters, and this design is permissible
Ensure that lathe continues feed flow, thus production cost can be saved.
Equipment backwashes, and superfinishing filter vat F1, superfinishing filter vat F2 recoil, and control valve V3, V4 open, and carries slag
Waste liquid is first via pipeline L4, L5, then enters essence filter vat R2 via pipeline L6 and try again recovery, reaches the mesh of environmental protection and energy saving
's.
High stable fuel system: for ensureing that fuel feeding is stable or pressure, can additional lathe solution feed pump P2, send into via pipeline L7
Lathe uses.Concrete, when using this fuel system, the clean liquid filtering out is directly to filter from superfinishing filter vat F1, superfinishing
Bucket F2 via pipeline L10, L11, then via pipeline L10-1 enter the import of plate heat exchanger B1, through refrigeration after fluid again by
Pipeline L10-2 sends, then via pipeline L12, filters and the clean oil suction clean oil after refrigeration superfinishing filter vat F1
In case T3, then lathe solution feed pump P2 and pipeline L7 is sent into lathe M use.
Above-mentioned detailed description of the invention, only illustrates that technology of the present utility model is conceived and architectural feature, it is therefore intended that allow ripe
The stakeholder knowing technique can implement according to this, but above said content is not limiting as protection domain of the present utility model,
Every any equivalence made according to Spirit Essence of the present utility model changes or modifies, and all should fall into protection of the present utility model
Within the scope of.
Claims (10)
1. a dual-effect refrigeration and extra accuracy filter plant, it is characterised in that include
For housing the dirty fuel tank of the dirty oil of lathe；
For carrying out coarse filter device and the fine filtering apparatus of primary filter and cascade filtration respectively to dirty oil；
Connect with described fine filtering apparatus respectively, for dirty oil carried out three-stage filtration, can simultaneously and/or run in turn two
Above superfinishing filter；
For the backwash mechanism that the filter core in this two or more superfinishing filter is backwashed in turn, described backwash mechanism
It is connected with this two or more superfinishing filter respectively；
Connect with two or more superfinishing filter respectively scrapes oil slick device, and described oil slick device of scraping at least includes that oil slick buffers
District and oil slick concentration zones, oil slick is provided with floating oil removing device in oil slick concentration zones described in described oil slick buffering area；
And for carrying out cooling process to the clean oil being exported by superfinishing filter and machine tool chief axis being cooled down
Double refrigerating plants, described pair of refrigerating plant exports and described lathe with the clean oil of this two or more superfinishing filter respectively
The special fuel reserve tank of main shaft connects.
2. a kind of dual-effect refrigeration according to claim 1 and extra accuracy filter plant, it is characterised in that described oil slick strikes off
Device includes oil slick self-fractionating pump, and described oil slick self-fractionating pump is connected with the oil slick recycling bin for collecting oil slick.
3. a kind of dual-effect refrigeration according to claim 1 and extra accuracy filter plant, it is characterised in that described superfinishing filters
It is connected by filter pump, control valve and pipeline between device with described fine filtering apparatus.
4. a kind of dual-effect refrigeration according to claim 3 and extra accuracy filter plant, it is characterised in that this dual-effect refrigeration and
Extra accuracy filter plant equipment also includes backwashing control unit, when the arbitrary superfinishing in two or more superfinishing filter filters
Before device backwashes, the control valve that described backwash control unit control is connected with this superfinishing filter is closed.
5. a kind of dual-effect refrigeration according to claim 1 and extra accuracy filter plant, it is characterised in that described double refrigeration dresses
Put and include for carrying out the first refrigerating plant of cooling process to the clean oil being exported by superfinishing filter and for lathe
The second refrigerating plant that main shaft cools down.
6. a kind of dual-effect refrigeration according to claim 5 and extra accuracy filter plant, it is characterised in that described first refrigeration
Device includes interconnective first plate type heat exchanger and the first compressor, and two or more superfinishing filter is respectively with described
One plate type heat exchanger is connected by pipeline.
7. a kind of dual-effect refrigeration according to claim 5 and extra accuracy filter plant, it is characterised in that described second refrigeration
Device includes interconnective second plate type heat exchanger and the second compressor, described second plate type heat exchanger and described machine tool chief axis
Special fuel reserve tank pass through oil well pump and pipeline and connect.
8. a kind of dual-effect refrigeration according to claim 1 and extra accuracy filter plant, it is characterised in that described superfinishing filters
Device includes a superfinishing filter vat.
9. a kind of dual-effect refrigeration according to claim 8 and extra accuracy filter plant, it is characterised in that described coarse filtration fills
Put and use the coarse filtration case with stainless steel filter screen.
10. a kind of dual-effect refrigeration according to claim 1 and extra accuracy filter plant, it is characterised in that described essence filters
Device uses essence filter bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620608579.4U CN205672664U (en) | 2016-06-20 | 2016-06-20 | A kind of dual-effect refrigeration and extra accuracy filter plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620608579.4U CN205672664U (en) | 2016-06-20 | 2016-06-20 | A kind of dual-effect refrigeration and extra accuracy filter plant |
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| Publication Number | Publication Date |
|---|---|
| CN205672664U true CN205672664U (en) | 2016-11-09 |
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ID=57431100
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620608579.4U Expired - Fee Related CN205672664U (en) | 2016-06-20 | 2016-06-20 | A kind of dual-effect refrigeration and extra accuracy filter plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105879485A (en) * | 2016-06-20 | 2016-08-24 | 苏州永添设备有限公司 | Double-effect refrigerating and ultra-precision filtering equipment |
-
2016
- 2016-06-20 CN CN201620608579.4U patent/CN205672664U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105879485A (en) * | 2016-06-20 | 2016-08-24 | 苏州永添设备有限公司 | Double-effect refrigerating and ultra-precision filtering equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200628 Address after: No.8, Huagang Road, high tech Zone, Yangzhou City, Jiangsu Province Patentee after: Jiangsu foslite Environmental Protection Technology Co.,Ltd. Address before: Suzhou City, Jiangsu province 215000 Industrial Park Tang Zhuang Road No. 88 Patentee before: Suzhou Yongtian Equipment Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 |