CN201419129Y - Positive pressure protecting device for automatic nitrogen filling of centrifuge - Google Patents
Positive pressure protecting device for automatic nitrogen filling of centrifuge Download PDFInfo
- Publication number
- CN201419129Y CN201419129Y CN 200920072855 CN200920072855U CN201419129Y CN 201419129 Y CN201419129 Y CN 201419129Y CN 200920072855 CN200920072855 CN 200920072855 CN 200920072855 U CN200920072855 U CN 200920072855U CN 201419129 Y CN201419129 Y CN 201419129Y
- Authority
- CN
- China
- Prior art keywords
- centrifuge
- pressure
- explosion
- protective device
- device automatically
- 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 - Lifetime
Links
Images
Landscapes
- Centrifugal Separators (AREA)
Abstract
The utility model relates to a positive pressure protecting device for the automatic nitrogen filling of a centrifuge. An enclosed centrifuge is communicated with a solvent storage tank through an enclosed liquid storage tank via a pipeline. The positive pressure protecting device also comprises a nitrogen source, an explosion-proof pressure relay, an oxygen content measuring controller, an explosion-proof solenoid valve, a pressure controller, a balancing one-way valve, a pressure vent valve and a waste gas header; wherein the nitrogen source is respectively communicated with the solenoid valve and the pressure controller through the explosion-proof pressure relay via pipelines, the explosion-proof solenoid valve and the pressure controller are communicated with the enclosed centrifuge, the enclosed centrifuge is communicated with the enclosed liquid storage tank through the balancing one-way valve via a pipeline, the oxygen content measuring controller is communicated with the enclosed liquid storage tank via a pipeline and respectively communicated with the explosion-proof pressure relay, the explosion-proof solenoid valve and the enclosed centrifuge via lines, and the solvent storage tank is communicated with the waste gas header through the pressure vent valve via a pipeline. The positive pressure protecting device has the advantages that the design is ingenious, the structure is simple, the operation is easy, the personal safety, the production safe and clean working environment can be guaranteed, the property loss can be reduced, and the normal operation of the enterprise can be ensured.
Description
Technical field
The utility model relates to pressure-fired protective device technical field, particularly fills nitrogen pressure-fired protective device technical field automatically, is meant that specifically a kind of centrifuge fills nitrogen pressure-fired protective device automatically.
Background technology
At present; medication chemistry enterprise often can use airtight centrifuge; and airtight centrifuge in use; contain a large amount of (toluene in the centrifuge mother liquor that has; acetone; n-hexane; ethyl acetate etc.) flammable explosive organic solvent; owing in centrifuge, there is air to exist; often reach and catch fire or explosion limit; and under the running up of centrifuge, can produce static; produce electric spark in when discharge, can cause and catch fire even blast, give the staff like this and produce and bring serious potential safety hazard; and environment is caused serious pollution; and cause property loss, even the production process that hinders enterprise, the operation of enterprise influenced.
Therefore, need overlap protective device at existing centrifuge design one, thereby guarantee personal safety, production safety and clean working environment, reduce property loss, guarantee the normal operation of enterprise.
The utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art; provide a kind of centrifuge to fill nitrogen pressure-fired protective device automatically; this protective device design is ingenious, simple in structure, easy and simple to handle; guarantee personal safety, production safety and clean working environment; reduce property loss, guarantee the normal operation of enterprise.
To achieve these goals, centrifuge of the present utility model fills nitrogen pressure-fired protective device automatically and has following formation:
This centrifuge fills nitrogen pressure-fired protective device automatically; comprise airtight centrifuge; airtight reservoir and solvent tanker; described airtight centrifuge is by the described solvent tanker of described airtight reservoir pipeline connection; be characterized in; described centrifuge fills nitrogen pressure-fired protective device automatically and also comprises source nitrogen; the explosion-proof pressure relay; the measurement of oxygen content controller; explosion-proof solenoid valve; pressure controller; the balance check valve; exhalation valve and waste gas header; described source nitrogen is by described explosion-proof pressure relay difference described explosion-proof solenoid valve of pipeline connection and described pressure controller; described explosion-proof solenoid valve and the described airtight centrifuge of described pressure controller pipeline connection; described airtight centrifuge is by the described airtight reservoir of described balance check valve pipeline connection; the described airtight reservoir of described measurement of oxygen content controller pipeline connection and respectively circuit be communicated with described explosion-proof pressure relay; described explosion-proof solenoid valve and described airtight centrifuge, described solvent tanker is by the described waste gas header of described exhalation valve pipeline connection.
Preferably, described measurement of oxygen content controller comprises control oxygen instrument, sample gas preprocessor and probe tube, described control oxygen instrument is by the described probe tube of described sample gas preprocessor pipeline connection, described probe tube is communicated with pipeline between described airtight reservoir and the described solvent tanker, and described control oxygen instrument circuit respectively is communicated with described explosion-proof pressure relay, described explosion-proof solenoid valve and described airtight centrifuge.
Preferably, described centrifuge fills nitrogen pressure-fired protective device automatically and also comprises the nitrogen main valve, and described source nitrogen is by the described explosion-proof pressure relay of described nitrogen main valve pipeline connection.
Preferably, described centrifuge fills nitrogen pressure-fired protective device automatically and also comprises condenser, and described airtight reservoir is communicated with described solvent tanker by described condenser pipe.
Preferably, described centrifuge fills nitrogen pressure-fired protective device automatically and also comprises alarm, and described measurement of oxygen content controller line connects described alarm.
More preferably, described alarm is explosion-proof audible-visual annunciator.
Preferably, described centrifuge fills nitrogen pressure-fired protective device automatically and also comprises spark arrester, and described spark arrester is installed in the described waste gas header.
Preferably, described solvent tanker is the organic solvent basin.
Preferably, described source nitrogen is a nitrogen storage tank.
Preferably, described centrifuge fills nitrogen pressure-fired protective device automatically and also comprises self priming pump and mother liquor tank, and described mother liquor tank is by the described airtight reservoir of described self priming pump pipeline connection.
The beneficial effects of the utility model are: the utility model is by the oxygen content of the airtight centrifuge of online detection, the operation that nitrogen and centrifuge are filled in control, the effectively danger of control system explosion limit, reduce the vapour pressure of organic solvent, prevent that overvoltage from filling nitrogen and causing organic solvent gas to leak human body infringement and working environment are met accident, and cooperate the control certain malleation of airtight centrifuge (pressure-fired) with exhalation valve, the gas that exhalation valve is discharged is drained by waste gas header, design ingenious, simple in structure, easy and simple to handle, guarantee personal safety, production safety and clean working environment, reduce property loss, guarantee the normal operation of enterprise.
Description of drawings
Fig. 1 is the partial structurtes schematic diagram of a specific embodiment of the present utility model.
The specific embodiment
In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.
See also shown in Figure 1; centrifuge of the present utility model fills nitrogen pressure-fired protective device automatically; comprise airtight centrifuge 1; airtight reservoir 2 and solvent tanker 3; described airtight centrifuge 1 is by the described solvent tanker 3 of described airtight reservoir 2 pipeline connections; described centrifuge fills nitrogen pressure-fired protective device automatically and also comprises the source nitrogen (not shown); explosion-proof pressure relay 4; measurement of oxygen content controller 5; explosion-proof solenoid valve 6; pressure controller 7; balance check valve 8; exhalation valve 9 and waste gas header (not shown); described source nitrogen is by described explosion-proof pressure relay 4 difference described explosion-proof solenoid valve 6 of pipeline connection and described pressure controllers 7; the described airtight centrifuge 1 of described explosion-proof solenoid valve 6 and described pressure controller 7 pipeline connections; described airtight centrifuge 1 is by the described airtight reservoir 2 of described balance check valve 8 pipeline connections; the described airtight reservoir 2 of described measurement of oxygen content controller 5 pipeline connections and respectively circuit be communicated with described explosion-proof pressure relay 4; described explosion-proof solenoid valve 6 and described airtight centrifuge 1, described solvent tanker 3 is by the described waste gas header of described exhalation valve 9 pipeline connections.
In a specific embodiment of the present utility model, described measurement of oxygen content controller 5 comprises control oxygen instrument 10, sample gas preprocessor 11 and probe tube 12, described control oxygen instrument 10 is by the described probe tube 12 of described sample gas preprocessor 11 pipeline connections, described probe tube 12 is communicated with pipeline between described airtight reservoir 2 and the described solvent tanker 3, and described control oxygen instrument 10 circuit respectively is communicated with described explosion-proof pressure relay 4, described explosion-proof solenoid valve 6 and described airtight centrifuge 1.Obviously, also can adopt other suitable measurement of oxygen content controller.
In a specific embodiment of the present utility model, described centrifuge fills nitrogen pressure-fired protective device automatically and also comprises nitrogen main valve 13, and described source nitrogen is by the described explosion-proof pressure relay 4 of described nitrogen main valve 13 pipeline connections.
In a specific embodiment of the present utility model, described centrifuge fills nitrogen pressure-fired protective device automatically and also comprises condenser 14, and described airtight reservoir 2 is by the described solvent tanker 3 of described condenser 14 pipeline connections.
Preferably, described centrifuge fills nitrogen pressure-fired protective device automatically and also comprises alarm 15, and described measurement of oxygen content controller line connects described alarm 15.
In a specific embodiment of the present utility model, described alarm 15 is explosion-proof audible-visual annunciators.Obviously, also can adopt other suitable alarm.
In a specific embodiment of the present utility model, described centrifuge fills nitrogen pressure-fired protective device automatically and also comprises the spark arrester (not shown), and described spark arrester is installed in the described waste gas header.
In a specific embodiment of the present utility model, described solvent tanker 3 is organic solvent basins.
In a specific embodiment of the present utility model, described source nitrogen is a nitrogen storage tank.Certainly, also can be other suitable source nitrogen.
In a specific embodiment of the present utility model, described centrifuge fills nitrogen pressure-fired protective device automatically and also comprises self priming pump 16 and mother liquor tank 17, and described mother liquor tank 17 is communicated with described airtight reservoir 2 by described self-priming pump line 16 tunnel.
It is that a kind of pressure-fired fills nitrogen displacement system control device automatically that the above-mentioned centrifuge that the utility model provides fills nitrogen pressure-fired protective device automatically, this pressure-fired fill nitrogen displacement automatically system control device can not only on-line detecting system in oxygen content whether be in a safe condition, and can control the startup of airtight centrifuge 1 automatically, airtight centrifuge 1 can not start when oxygen content reaches UEL, fill nitrogen first: open nitrogen main valve 13 pressure and reach more than explosion-proof pressure relay 4 settings, instrument (promptly controlling control assemblies such as oxygen instrument 10, explosion-proof solenoid valve 6) can power on; When oxygen content was higher than upper limit set value, system did not report to the police, and explosion-proof solenoid valve 6 is opened automatically and filled nitrogen fast, and airtight Centrifugal Machine Control loop is off-position, can not open; When filling the nitrogen oxygen content when being lower than lower limit set value, explosion-proof solenoid valve 6 is closed automatically, fills nitrogen by bypass pressure controller 7 and keeps system and be in pressure-fired, and this moment, airtight centrifuge 1 can be opened operation; When oxygen content was higher than lower limit, explosion-proof solenoid valve 6 was opened automatically and is filled nitrogen, reported to the police simultaneously; The out of service automatically and warning of airtight centrifuge 1 when oxygen content is higher than higher limit.Open airtight centrifuge 1 once more as need, control oxygen instrument 10 power-off restorations control automatically that explosion-proof solenoid valve 6 fills the nitrogen process and whether airtight centrifuge 1 moves.And protect leaking of organic solvent gas effectively by pressure-fired control, guaranteed personal safety and working environment.
During use, open nitrogen main valve 13, when nitrogen pressure during greater than 0.1MPa, open instrument power, 10 work such as energising such as parts such as grade of control oxygen instrument are when oxygen content is higher than upper limit set value, system does not report to the police, explosion-proof solenoid valve 6 is opened automatically and is filled nitrogen fast, and airtight centrifuge 1 control loop is off-position, can not open; When filling the nitrogen oxygen content when being lower than lower limit set value, explosion-proof solenoid valve 6 is closed automatically, fills nitrogen by bypass pressure controller 7 and keeps system and be in pressure-fired, this moment, airtight centrifuge 1 can be opened operation, when oxygen content was higher than lower limit, explosion-proof solenoid valve 6 was opened automatically and is filled nitrogen, reported to the police simultaneously; When oxygen content is higher than higher limit, the out of service automatically and warning of airtight centrifuge 1.In system's replacement process, system is by exhalation valve 9 voltage stabilizings (about 1kPa), and gas enters waste gas header greater than 1kPa by exhalation valve 9 exhalation in the system; Nitrogen one-way flow in replacement process is by balanced check valve 8 and pressure controller 7 controls; Instrument send electricity by 4 controls of explosion-proof pressure relay, and it is too low to fill nitrogen pressure, and instrument and airtight centrifuge 1 outage are automatically shut down, and have an accident with antistatic and organic solvent; Airtight Centrifugal Machine Control loop is by 10 controls of control oxygen instrument; The consumption of nitrogen is by exhalation valve 9 and pressure controller 7 controls.
To sum up, it is ingenious, simple in structure, easy and simple to handle that centrifuge of the present utility model fills the design of nitrogen pressure-fired protective device automatically, guarantees personal safety, production safety and clean working environment, reduces property loss, guarantees the normal operation of enterprise.
In this specification, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (10)
1. a centrifuge fills nitrogen pressure-fired protective device automatically; comprise airtight centrifuge; airtight reservoir and solvent tanker; described airtight centrifuge is by the described solvent tanker of described airtight reservoir pipeline connection; it is characterized in that; described centrifuge fills nitrogen pressure-fired protective device automatically and also comprises source nitrogen; the explosion-proof pressure relay; the measurement of oxygen content controller; explosion-proof solenoid valve; pressure controller; the balance check valve; exhalation valve and waste gas header; described source nitrogen is by described explosion-proof pressure relay difference described explosion-proof solenoid valve of pipeline connection and described pressure controller; described explosion-proof solenoid valve and the described airtight centrifuge of described pressure controller pipeline connection; described airtight centrifuge is by the described airtight reservoir of described balance check valve pipeline connection; the described airtight reservoir of described measurement of oxygen content controller pipeline connection and respectively circuit be communicated with described explosion-proof pressure relay; described explosion-proof solenoid valve and described airtight centrifuge, described solvent tanker is by the described waste gas header of described exhalation valve pipeline connection.
2. centrifuge according to claim 1 fills nitrogen pressure-fired protective device automatically; it is characterized in that; described measurement of oxygen content controller comprises control oxygen instrument, sample gas preprocessor and probe tube; described control oxygen instrument is by the described probe tube of described sample gas preprocessor pipeline connection; described probe tube is communicated with pipeline between described airtight reservoir and the described solvent tanker, and described control oxygen instrument circuit respectively is communicated with described explosion-proof pressure relay, described explosion-proof solenoid valve and described airtight centrifuge.
3. centrifuge according to claim 1 fills nitrogen pressure-fired protective device automatically; it is characterized in that; described centrifuge fills nitrogen pressure-fired protective device automatically and also comprises the nitrogen main valve, and described source nitrogen is by the described explosion-proof pressure relay of described nitrogen main valve pipeline connection.
4. centrifuge according to claim 1 fills nitrogen pressure-fired protective device automatically, it is characterized in that, described centrifuge fills nitrogen pressure-fired protective device automatically and also comprises condenser, and described airtight reservoir is communicated with described solvent tanker by described condenser pipe.
5. centrifuge according to claim 1 fills nitrogen pressure-fired protective device automatically, it is characterized in that, described centrifuge fills nitrogen pressure-fired protective device automatically and also comprises alarm, and described measurement of oxygen content controller line connects described alarm.
6. centrifuge according to claim 5 fills nitrogen pressure-fired protective device automatically, it is characterized in that, described alarm is explosion-proof audible-visual annunciator.
7. centrifuge according to claim 1 fills nitrogen pressure-fired protective device automatically, it is characterized in that, described centrifuge fills nitrogen pressure-fired protective device automatically and also comprises spark arrester, and described spark arrester is installed in the described waste gas header.
8. centrifuge according to claim 1 fills nitrogen pressure-fired protective device automatically, it is characterized in that, described solvent tanker is the organic solvent basin.
9. centrifuge according to claim 1 fills nitrogen pressure-fired protective device automatically, it is characterized in that, described source nitrogen is a nitrogen storage tank.
10. centrifuge according to claim 1 fills nitrogen pressure-fired protective device automatically; it is characterized in that; described centrifuge fills nitrogen pressure-fired protective device automatically and also comprises self priming pump and mother liquor tank, and described mother liquor tank is by the described airtight reservoir of described self priming pump pipeline connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920072855 CN201419129Y (en) | 2009-05-22 | 2009-05-22 | Positive pressure protecting device for automatic nitrogen filling of centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920072855 CN201419129Y (en) | 2009-05-22 | 2009-05-22 | Positive pressure protecting device for automatic nitrogen filling of centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201419129Y true CN201419129Y (en) | 2010-03-10 |
Family
ID=41805776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920072855 Expired - Lifetime CN201419129Y (en) | 2009-05-22 | 2009-05-22 | Positive pressure protecting device for automatic nitrogen filling of centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201419129Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580863A (en) * | 2012-02-27 | 2012-07-18 | 蚌埠精工制药机械有限公司 | Nitrogen protection device of centrifugal machine |
| CN103316783A (en) * | 2013-06-21 | 2013-09-25 | 宿迁科思化学有限公司 | Centrifuge nitrogen protection device |
| CN105921293A (en) * | 2016-07-11 | 2016-09-07 | 安徽省化工设计院 | Nitrogen filling interlocking anti-explosion device of centrifugal machine |
| CN106111357A (en) * | 2016-08-04 | 2016-11-16 | 江苏华大离心机制造有限公司 | The gas circuit of protective gas in the gas protection system of a kind of centrifuge and centrifuge |
| CN107377243A (en) * | 2017-07-29 | 2017-11-24 | 芜湖市永帆精密模具科技有限公司 | A kind of centrifuge explosion-protection equipment |
| CN109966778A (en) * | 2019-03-20 | 2019-07-05 | 合肥通用机械研究院有限公司 | A kind of explosive dicyandiamide solution nitrogen charging oxygen determination essential safe type Centrifugical extraction system |
-
2009
- 2009-05-22 CN CN 200920072855 patent/CN201419129Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580863A (en) * | 2012-02-27 | 2012-07-18 | 蚌埠精工制药机械有限公司 | Nitrogen protection device of centrifugal machine |
| CN103316783A (en) * | 2013-06-21 | 2013-09-25 | 宿迁科思化学有限公司 | Centrifuge nitrogen protection device |
| CN105921293A (en) * | 2016-07-11 | 2016-09-07 | 安徽省化工设计院 | Nitrogen filling interlocking anti-explosion device of centrifugal machine |
| CN106111357A (en) * | 2016-08-04 | 2016-11-16 | 江苏华大离心机制造有限公司 | The gas circuit of protective gas in the gas protection system of a kind of centrifuge and centrifuge |
| CN106111357B (en) * | 2016-08-04 | 2018-06-05 | 江苏华大离心机制造有限公司 | The gas circuit of protective gas in the gas protection system and centrifuge of a kind of centrifuge |
| CN107377243A (en) * | 2017-07-29 | 2017-11-24 | 芜湖市永帆精密模具科技有限公司 | A kind of centrifuge explosion-protection equipment |
| CN109966778A (en) * | 2019-03-20 | 2019-07-05 | 合肥通用机械研究院有限公司 | A kind of explosive dicyandiamide solution nitrogen charging oxygen determination essential safe type Centrifugical extraction system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201419129Y (en) | Positive pressure protecting device for automatic nitrogen filling of centrifuge | |
| CN103616324B (en) | A kind of wet H 2the multiphase flow erosion corrosion test platform of S environment | |
| CN102278133B (en) | Individual overflow water seal fire relief and explosion release device | |
| CN201593409U (en) | Desulphurization device with pump priming method | |
| CN202900304U (en) | Self-balance type water seal anti-explosion device | |
| CN207943866U (en) | A kind of safeguard protection interlock based on Regular loading truck control system | |
| CN103623699B (en) | A kind of method for the displacement of denitration ammonia district nitrogen | |
| CN206830157U (en) | High pressure separator | |
| CN103527929B (en) | A kind of flare gas recovery seal water system and method | |
| CN204879451U (en) | Modularization gas pressure regulating box | |
| CN209180672U (en) | A kind of 2000m3 chloroethylene tank urgent water injection device | |
| CN202893534U (en) | Nitrogen protection centrifuge | |
| CN201368335Y (en) | Water seal fire arrestor | |
| CN203187385U (en) | Liquid recovery system | |
| CN108398968B (en) | Automatic protection control device for glass fiber reinforced plastic hydrochloric acid storage tank | |
| CN210762316U (en) | Biological liquid fuel storage device | |
| CN208335029U (en) | A kind of glass reinforced plastic hydrochloric acid tank automatic protecting control device | |
| CN202350973U (en) | Pressure gauge seat capable of automatically preventing leakage | |
| CN107990148B (en) | Novel gas pipeline siphon drainage device and method | |
| CN206915672U (en) | Hydraulic jack safety device and hydraulic elevating platform | |
| CN111228856A (en) | Safety monitoring system and control method of chemical purification device | |
| CN219102681U (en) | Spherical tank system for storing easily-vaporized combustible liquid | |
| CN206000804U (en) | A kind of lathe oil tank liquid level detection device | |
| CN210813615U (en) | Nitrogen-filled fire extinguishing device for oil-immersed power transformer | |
| CN204419605U (en) | The anti-dry tap of a kind of mine stainless steel multistage pump prevents the automatic safety device burnt to death |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Xuechong Inventor after: Dong Haijun Inventor after: Bao Yanping Inventor after: Jiang Zulin Inventor before: Wang Xueyun Inventor before: Dong Haijun Inventor before: Bao Yanping Inventor before: Jiang Zulin |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG XUEYUN DONG HAIJUN BAO YANPING JIANG ZULIN TO: WANG XUECHONG DONG HAIJUN BAO YANPING JIANG ZULIN |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100310 |