CN208727760U - A kind of explosion protected centrifugal machine system - Google Patents
A kind of explosion protected centrifugal machine system Download PDFInfo
- Publication number
- CN208727760U CN208727760U CN201821275231.3U CN201821275231U CN208727760U CN 208727760 U CN208727760 U CN 208727760U CN 201821275231 U CN201821275231 U CN 201821275231U CN 208727760 U CN208727760 U CN 208727760U
- Authority
- CN
- China
- Prior art keywords
- nitrogen
- centrifuge
- oxygen content
- gas
- pressure
- 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.)
- Withdrawn - After Issue
Links
- 238000004880 explosion Methods 0.000 title claims abstract description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 188
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 94
- 239000007789 gas Substances 0.000 claims abstract description 60
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000001301 oxygen Substances 0.000 claims abstract description 35
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 35
- 238000005070 sampling Methods 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 27
- 235000013361 beverage Nutrition 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000013589 supplement Substances 0.000 claims description 4
- 230000001502 supplementing effect Effects 0.000 abstract 1
- 238000005119 centrifugation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 238000005474 detonation Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
Landscapes
- Centrifugal Separators (AREA)
Abstract
The utility model discloses a kind of explosion protected centrifugal machine systems, including centrifuge, nitrogen feedway and oxygen content detector, centrifuge, nitrogen feedway, oxygen content detector are all electrically connected with control device, the discharge outlet of centrifuge is equipped with sealed valve, and the centrifuge lower part is equipped with nitrogen and is passed through mouth；Nitrogen feedway is connect by being passed through mouth with nitrogen simultaneously for the auxiliary air supply pipe to the main air supply pipe for being largely filled with nitrogen in centrifuge and for supplementing the centrifuge inner cavity after nitrogen charging nitrogen, main air supply pipe is equipped with solenoid valve, it is centrifuged machine cap and is equipped with the gas vent for being used for exhaust, gas vent is connected by sample detecting pipeline with oxygen content detector；The oxygen content detector includes that the sampling diaphragm electromagnetic valve connect, vortex cooler, active carbon filter, oxygen content detector, jet pump are sequentially connected with sample detecting pipeline, and vortex cooler is connected by pipeline with compressed air source with jet pump.
Description
Technical field
The utility model relates to a kind of explosion protected centrifugal machine systems.
Background technique
It is needed when separating inflammable and explosive material using nitrogen charging centrifuge, and detects centrifugation by oxygen content detector
Whether oxygen content is lower than established standards in machine internal gas, and the reliability of oxygen content detector sampling, which determines in centrifuge, fills
Whether the nitrogen entered is enough, determines the safety that centrifuge uses；And existing nitrogen charging centrifuge nitrogen is passed through and inside
All from via centrifugation machine cap, nitrogen is passed through after the long period gas displacement that could be completed in centrifuge for sampling.
Utility model content
The technical problem to be solved by the utility model is to provide it is a kind of using it is safer it is reliable efficient it is explosion-proof from
Scheming system.
In order to solve the above technical problems, the technology employed by the present utility model is a kind of explosion protected centrifugal machine system, packet
Include centrifuge, to centrifuge inside nitrogen charging so that in centrifuge nitrogen pressure be greater than ambient atmosphere pressure nitrogen feedway,
And in detection centrifuge inner chamber gas oxygen content to control the oxygen content detector of nitrogen feedway, centrifuge, nitrogen
Air feed system, oxygen content detector are all electrically connected with control device, and the discharge outlet of centrifuge is equipped with sealed valve, centrifugation
Machine lower part is equipped with nitrogen and is passed through mouth；Nitrogen feedway by for be largely filled in centrifuge nitrogen main air supply pipe, with
And be passed through mouth with nitrogen simultaneously for the auxiliary air supply pipe to the centrifuge inner cavity supplement nitrogen after nitrogen charging and connect, it is set on main air supply pipe
There is solenoid valve, auxiliary air supply pipe is equipped with regulating valve, and centrifugation machine cap is equipped with the gas vent for exhaust, and gas vent passes through
Sample detecting pipeline is connected with oxygen content detector；The oxygen content detector includes and sample detecting pipeline successively phase
Sampling diaphragm electromagnetic valve, the vortex cooler, active carbon filter, oxygen content detector, jet pump of connection, are vortexed cooler
It is connected by pipeline with compressed air source with jet pump.
As a preferred solution, the nitrogen feedway includes sequentially connected flowmeter, pressure reducing valve and nitrogen
Source.
As a preferred solution, it is located in centrifuge on the main shaft of the centrifuge, on cloth axis and on blade shaft
Bearing at be designed with nitrogen axle envelope mechanism, axle envelope mechanism includes the annular being arranged in bearing cap at positioning ring in bearing
Seal groove, the lower seal of the interior upper seal for being equipped with annular of seal groove, sealing ring and annular, upper seal and lower sealing
The interior positioning interannular of circle and bearing is tightly connected, and nitrogen is surrounded between positioning ring and upper seal and lower seal in sealing ring and bearing
Gas shaft seal cavity, sealing ring periphery are equipped with one of air slot, and sealing ring is equipped with several connection air slots axially arranged and sealing
The through-hole of slot inner cavity, bearing cap are equipped with the air inlet and venthole being connected with air slot, and air inlet passes through the gas with control valve
Pipe be connected with source nitrogen, venthole is connected by gas outlet pipe with gas sampling pipe, set in air slot there are two avoid
Air inlet passes through the partition block that air slot is directly connected to venthole.
As a preferred solution, being connected on the outlet tube of the centrifuge prevents that gas is excessive in centrifuge and makes
Nitrogen pressure is greater than the main fluid-tight mechanism of atmospheric pressure in centrifuge.
As a preferred solution, the main fluid-tight mechanism includes closed beverage container, and beverage container bucket wall top is worn
There is the inlet tube being connected with the centrifuge outlet tube, inlet tube lower end is located in bucket in bucket bottom, beverage container bucket wall
Portion is equipped with liquid outlet, and inlet tube lower end to the feed liquid pressure between liquid outlet is to set nitrogen pressure in centrifuge.
As a preferred solution, the nitrogen axle envelope mechanism on the main shaft of the centrifuge, on cloth axis, on blade shaft
Gas outlet pipe be all connected with exhaust main, exhaust main and keep nitrogen shaft seal cavity internal pressure powerful in centrifuge inner cavity pressure
Auxiliary liquid sealing mechanism be connected, the escape pipe of auxiliary liquid sealing mechanism is connected with the gas sampling pipe.
As a preferred solution, the auxiliary liquid sealing mechanism includes closed staving, is equipped with axis on closed staving side wall
Gas inlet pipe is sealed, the lower end of axle envelope gas inlet pipe is also equipped with axle envelope on closed staving bottom wall, closed staving side wall
Gas eduction tube, feed liquid pressure is axle envelope setting pressure between the lower end of axle envelope gas eduction tube and the lower end of axle envelope gas inlet pipe
By force.
It as a preferred solution, further include being electrically connected with the control device in centrifuge inner cavity oxygen content
The alarm of exceeded alarm.
The beneficial effects of the utility model are: centrifuge displacement nitrogen enters from centrifuge lower part in this system, from centrifugation
It is discharged on machine cap, the gas being replaced is discharged to top, is replaced by way of convection current, substantially increases gas displacement
Efficiency；By the oxygen content concentration of oxygen content detector real-time measurement inner cavity, supplemented accordingly when being higher than setting value；And
Sample gas to be detected removes liquid by vortex condenser condensation, enters back into active carbon filter filtering, removes the liquid in gas phase
Phase and solid phase, conducive to the precision and reliability of oxygen content detection.
Since nitrogen feedway passes through for the main air supply pipe for being largely filled with nitrogen in centrifuge and for filling
The auxiliary air supply pipe of centrifuge inner cavity supplement nitrogen after nitrogen is passed through mouth with nitrogen simultaneously and connect, and both can satisfy quick when rigid beginning
Gas in centrifuge is replaced, and can effectively control the magnitude of recruitment of nitrogen when centrifuge runs well, and avoid on main air supply pipe
Solenoid valve frequently switches on, and extends the service life of solenoid valve.
The nitrogen feedway includes sequentially connected flowmeter, pressure reducing valve and source nitrogen, can be entered by measurement
Nitrogen volume to determine whether to meet sets requirement.
Nitrogen axle envelope is designed on the main shaft of centrifuge, on cloth axis and on blade shaft at the bearing in centrifuge
Mechanism can enter centrifuge internal contamination product to avoid the gas with lubricating oil particle at bearing, while can prevent from being centrifuged
Flammable explosive gas in machine enters at bearing, and the bearing because running at high speed hot is avoided to cause detonation.
Being connected on the outlet tube of the centrifuge prevents that gas is excessive in centrifuge and keeps nitrogen pressure in centrifuge powerful
In the main fluid-tight mechanism of atmospheric pressure, so that nitrogen pressure in centrifuge is higher than external atmosphere pressure, ambient atmos is avoided to penetrate into centrifugation
Machine.
The gas outlet pipe of nitrogen axle envelope mechanism on the main shaft of centrifuge, on cloth axis, on blade shaft is all total with exhaust
Pipe is connected, this portion gas can be made to focus on, and the exhaust gas containing lubricating oil taken out of direct emission is avoided to pollute air.
Due to exhaust main with make that nitrogen shaft seal cavity internal pressure is powerful to be connected in the auxiliary liquid sealing mechanism of centrifuge inner cavity pressure,
Preferably avoid the bearing initiation detonation at inflammable and explosive entrance bearing, avoided in centrifuge because running at high speed hot.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of nitrogen feedway in the utility model.
Fig. 3 is the structural schematic diagram of oxygen content detector in the utility model.
Fig. 4 is the structural schematic diagram of nitrogen axle envelope mechanism in the utility model.
Fig. 5 is nitrogen axle envelope mechanism schematic cross-sectional view in the utility model.
Fig. 6 is main fluid-tight mechanism structure schematic diagram in the utility model.
Fig. 7 is auxiliary liquid sealing mechanism structural schematic diagram in the utility model.
Fig. 1 is into Fig. 7: 1. centrifuges, 11. sealed valves, and 12. nitrogen are passed through mouth, 13. gas vents, 14. nitrogen axle envelopes
Mechanism, 141. upper seals, 142. sealing rings, 143. lower seals, positioning ring in 144., 145. air inlets, 146. ventholes,
147. partition blocks, 148. bearing caps；
2. nitrogen feedway, 21. flowmeters, 22. pressure reducing valves, 23. source nitrogens, 24. main air supply pipes, 25. auxiliary air supply pipes,
26. solenoid valve, 27. regulating valves；
3. oxygen content detector, 31. sampling diaphragm electromagnetic valves, 32. vortex coolers, 33. active carbon filters,
34. oxygen content detector, 35. jet pumps, 36. compressed air sources；
4. main fluid-tight mechanism, 41. beverage containers, 42. inlet tubes, 43. liquid outlets；5. auxiliary liquid sealing mechanism, 51. closed stavings,
52. axle envelope gas inlet pipe, 53. axle envelope gas eduction tubes；6. gas outlet pipe, 7. exhaust mains.
Specific embodiment
With reference to the accompanying drawing, the specific embodiment of the utility model is described in detail.
As shown in Figure 1, a kind of 1 system of explosion protected centrifugal machine, including centrifuge 1, to 1 inside nitrogen charging of centrifuge so that centrifuge
Nitrogen pressure is greater than oxygen content in the nitrogen feedway 2 and detection 1 inner chamber gas of centrifuge of ambient atmosphere pressure in 1
To control the oxygen content detector 3 of nitrogen feedway 2, centrifuge 1, nitrogen feedway 2, oxygen content detector 3 are all
It is electrically connected with control device.The discharge outlet of centrifuge 1 is equipped with sealed valve 11, and 1 lower part of centrifuge is equipped with nitrogen and is passed through mouth 12；
As shown in Fig. 2, nitrogen feedway 2 includes sequentially connected flowmeter 21, pressure reducing valve 22 and source nitrogen 23.Nitrogen
Feedway 2 passes through for the main air supply pipe 24 for being largely filled with nitrogen in centrifuge 1 and for the centrifuge after nitrogen charging
The auxiliary air supply pipe 25 of 1 inner cavity supplement nitrogen is passed through mouth 12 with nitrogen simultaneously and connect, and main air supply pipe 24 is equipped with solenoid valve 26, auxiliary confession
Tracheae 25 be equipped with regulating valve 27,1 top cover of centrifuge be equipped with gas vent 13, gas vent 13 by sample detecting pipeline with
Oxygen content detector 3 is connected.It further include being electrically connected with the control device for exceeded in 1 inner cavity oxygen content of centrifuge
The alarm of alarm.
As shown in figure 3, the oxygen content detector 3 includes being sequentially connected the sampling diaphragm connect with sample detecting pipeline
Solenoid valve 31, vortex cooler 32, active carbon filter 33, oxygen content detector 34, jet pump 35, are vortexed cooler 32 and penetrate
Stream pump 35 is connected by pipeline with compressed air source 36.
As shown in figures 1,4 and 5, the bearing being located on the main shaft of centrifuge 1, on cloth axis and on blade shaft in centrifuge 1
Place is designed with nitrogen axle envelope mechanism 14, and axle envelope mechanism includes the ring being arranged in bearing cap 148 at positioning ring 144 in bearing
Shape seal groove, the lower seal 143 of the interior upper seal 141 for being equipped with annular of seal groove, sealing ring 142 and annular, upper sealing
Be tightly connected between circle 141 and lower seal 143 and the interior positioning ring 144 of bearing, in sealing ring 142 and bearing positioning ring 144 and
Nitrogen shaft seal cavity is surrounded between upper seal 141 and lower seal 143,142 periphery of sealing ring is equipped with one of air slot, sealing ring
142 are equipped with the through-hole of several connection air slots and seal groove inner cavity axially arranged, bearing cap 148 is equipped with to be connected with air slot
Logical air inlet 145 and venthole 146, air inlet 145 are connected by the tracheae with control valve with source nitrogen 23, venthole
146 exhaust gas is discharged by gas outlet pipe 6, sets that there are two avoid air inlet 145 and venthole 146 passes through air guide in air slot
The partition block 147 that slot is directly connected to.
Being connected on the outlet tube of the centrifuge 1 prevents that gas is excessive in centrifuge 1 and makes nitrogen pressure in centrifuge 1
Greater than the main fluid-tight mechanism 4 of atmospheric pressure.As shown in fig. 6, main fluid-tight mechanism 4 include closed beverage container 41,41 barrels of beverage container
Wall top is equipped with the inlet tube 42 being connected with 1 outlet tube of centrifuge, and 42 lower end of inlet tube is located in bucket close to bucket bottom
Place, 41 barrels of wall tops of beverage container are equipped with liquid outlet 43, and 42 lower end of inlet tube to the feed liquid pressure between liquid outlet 43 is in centrifuge 1
Set nitrogen pressure.
The gas outlet pipe 6 of nitrogen axle envelope mechanism 14 on the main shaft of the centrifuge 1, on cloth axis, on blade shaft is all
Be connected with exhaust main 7, exhaust main 7 with keep nitrogen shaft seal cavity internal pressure powerful in 1 inner cavity pressure of centrifuge auxiliary liquid seal machine
Structure 5 is connected, and the escape pipe of auxiliary liquid sealing mechanism 5 is connected with gas sampling pipe.As shown in fig. 7, auxiliary liquid sealing mechanism 5 includes closed
Staving 51 is equipped with axle envelope gas inlet pipe 52 on closed 51 side wall of staving, and the lower end of axle envelope gas inlet pipe 52 is close to closed
51 bottom wall of staving, is also equipped with axle envelope gas eduction tube 53 on closed 51 side wall of staving, the lower end of axle envelope gas eduction tube 53 with
Feed liquid pressure is that axle envelope sets pressure between the lower end of axle envelope gas inlet pipe 52.
The principles and effects of the utility model creation, and the reality that part uses only is illustrated in the above embodiments
Example is applied, is rather than limited the present invention；It should be pointed out that for those of ordinary skill in the art, not departing from this
Under the premise of utility model concept, various modifications and improvements can be made, these belong to the protection of the utility model
Range.
Claims (8)
1. a kind of explosion protected centrifugal machine system, including centrifuge, to centrifuge inside nitrogen charging so that nitrogen pressure is greater than in centrifuge
Oxygen content is in the nitrogen feedway and detection centrifuge inner chamber gas of ambient atmosphere pressure to control nitrogen feedway
Oxygen content detector, centrifuge, nitrogen feedway, oxygen content detector all electrically connect with control device, centrifuge
Discharge outlet be equipped with sealed valve, it is characterised in that: the centrifuge lower part be equipped with nitrogen be passed through mouth；Nitrogen feedway is logical
It crosses for the main air supply pipe for being largely filled with nitrogen in centrifuge and for the centrifuge inner cavity supplement nitrogen after nitrogen charging
Auxiliary air supply pipe is passed through mouth with nitrogen simultaneously and connect, and main air supply pipe is equipped with solenoid valve, and auxiliary air supply pipe is equipped with regulating valve, centrifuge
Top cover is equipped with the gas vent for exhaust, and gas vent is connected by sample detecting pipeline with oxygen content detector；
The oxygen content detector include be sequentially connected with sample detecting pipeline the sampling diaphragm electromagnetic valve connect, vortex cooler,
Active carbon filter, oxygen content detector, jet pump, vortex cooler are connected by pipeline with compressed air source with jet pump
It is logical.
2. a kind of explosion protected centrifugal machine system as described in claim 1, it is characterised in that: the nitrogen feedway includes successively
Flowmeter, pressure reducing valve and the source nitrogen of connection.
3. a kind of explosion protected centrifugal machine system as described in claim 1, it is characterised in that: on the main shaft of the centrifuge, cloth
On axis and it is located at the bearing in centrifuge on blade shaft and is designed with nitrogen axle envelope mechanism, axle envelope mechanism includes being arranged in bearing
Annular seal groove in lid at positioning ring in bearing, interior upper seal, sealing ring and the annular for being equipped with annular of seal groove
Lower seal, the interior positioning interannular of upper seal and lower seal and bearing is tightly connected, positioning ring in sealing ring and bearing
And nitrogen shaft seal cavity is surrounded between upper seal and lower seal, sealing ring periphery is equipped with one of air slot, if sealing ring is equipped with
The through-hole of dry the connection air slot and seal groove inner cavity axially arranged, bearing cap are equipped with the air inlet being connected with air slot and go out
Stomata, air inlet are connected by the tracheae with control valve with source nitrogen, and venthole passes through gas outlet pipe and gas sampling pipe
It is connected, sets that there are two the partition blocks for avoiding air inlet and venthole from being directly connected to by air slot in air slot.
4. a kind of explosion protected centrifugal machine system as described in claim 1, it is characterised in that: connected on the outlet tube of the centrifuge
There is the main fluid-tight mechanism for preventing gas in centrifuge excessive and nitrogen pressure in centrifuge being made to be greater than atmospheric pressure.
5. a kind of explosion protected centrifugal machine system as claimed in claim 4, it is characterised in that: the main fluid-tight mechanism includes closed
Beverage container, beverage container bucket wall top are equipped with the inlet tube being connected with the centrifuge outlet tube, and inlet tube lower end is located at bucket
Interior close bucket bottom, beverage container bucket wall top are equipped with liquid outlet, and inlet tube lower end to the feed liquid pressure between liquid outlet is centrifuge
Interior setting nitrogen pressure.
6. a kind of explosion protected centrifugal machine system as claimed in claim 3, it is characterised in that: on the main shaft of the centrifuge, cloth
The gas outlet pipe of nitrogen axle envelope mechanism on axis, on blade shaft is all connected with exhaust main, exhaust main and makes nitrogen axis
The auxiliary liquid sealing mechanism that intracavitary pressure is sealed greater than centrifuge inner cavity pressure is connected, and the escape pipe of auxiliary liquid sealing mechanism and the exhaust gas are received
Collector is connected.
7. a kind of explosion protected centrifugal machine system as claimed in claim 6, it is characterised in that: the auxiliary liquid sealing mechanism includes closed bucket
Body is equipped with axle envelope gas inlet pipe on closed staving side wall, and the lower end of axle envelope gas inlet pipe is close close to closed staving bottom wall
It closes and is also equipped with axle envelope gas eduction tube on staving side wall, the lower end of axle envelope gas eduction tube and the lower end of axle envelope gas inlet pipe
Between feed liquid pressure be axle envelope set pressure.
8. such as a kind of explosion protected centrifugal machine system of any of claims 1-7, it is characterised in that: further include and the control
The alarm being used in the exceeded alarm of centrifuge inner cavity oxygen content that device processed electrically connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821275231.3U CN208727760U (en) | 2018-08-08 | 2018-08-08 | A kind of explosion protected centrifugal machine system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821275231.3U CN208727760U (en) | 2018-08-08 | 2018-08-08 | A kind of explosion protected centrifugal machine system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208727760U true CN208727760U (en) | 2019-04-12 |
Family
ID=66028724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821275231.3U Withdrawn - After Issue CN208727760U (en) | 2018-08-08 | 2018-08-08 | A kind of explosion protected centrifugal machine system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208727760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108889458A (en) * | 2018-08-08 | 2018-11-27 | 江苏同泽过滤科技有限公司 | A kind of explosion protected centrifugal machine system |
-
2018
- 2018-08-08 CN CN201821275231.3U patent/CN208727760U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108889458A (en) * | 2018-08-08 | 2018-11-27 | 江苏同泽过滤科技有限公司 | A kind of explosion protected centrifugal machine system |
| CN108889458B (en) * | 2018-08-08 | 2024-01-02 | 江苏同泽过滤科技有限公司 | Explosion-proof centrifuge system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190412 Effective date of abandoning: 20240102 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190412 Effective date of abandoning: 20240102 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |