CN106499659A - The protection device of anti-corrosion and guard method under a kind of centrifugal blower stoppage in transit state - Google Patents
The protection device of anti-corrosion and guard method under a kind of centrifugal blower stoppage in transit state Download PDFInfo
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- CN106499659A CN106499659A CN201611060750.3A CN201611060750A CN106499659A CN 106499659 A CN106499659 A CN 106499659A CN 201611060750 A CN201611060750 A CN 201611060750A CN 106499659 A CN106499659 A CN 106499659A
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- plc control
- control modules
- air inlet
- electromagnetic valve
- inlet electromagnetic
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The present invention relates to the protection device of anti-corrosion and guard method under a kind of centrifugal blower stoppage in transit state, belong to centrifugal air compressor, blower fan prevents the technical field of corrosion during stopping transport, including air inlet electromagnetic valve, pressure monitor, online moisture analyzer, exhaust solenoid valve, PLC control modules, described air inlet electromagnetic valve is installed on fan air inlet, air inlet electromagnetic valve is electrically connected with PLC control modules, exhaust solenoid valve is installed on blower fan air vent, exhaust solenoid valve is electrically connected with PLC control modules, pressure monitor is with online moisture analyzer installed in the inside of Fan pipeline, pressure monitor, online moisture analyzer is connected with PLC control module signals；The present invention is by being passed through protective gas in fan air inlet; collection internal pressure; internal pipeline is kept to be in barotropic state; judge that blower interior makes moist situation by online water analyzer; by discharging gas in blower fan gas outlet; line replacement is entered to internal protective gas, it is ensured that blower interior is dried, and reaching prevents corrosion purpose.
Description
Technical field
The invention belongs to centrifugal air compressor, blower fan prevent the technical field of corrosion during stopping transport, specifically, it is related to one kind
The protection device of anti-corrosion and guard method under centrifugal blower stoppage in transit state.
Background technology
Substantially without proprietary corrosion protection measure after the large-scale air compressor machine of enterprise is stopped transport at present, after causing equipment to be stopped transport, inside contains
Oxidation, corrosion are caused to equipment local after water air setting.Due to the general maximization of present business equipment, when stand-by equipment is shut down
Between longer, will occur during stoppage in transit than more serious corrosion, start post-etching part is stripped from air flue again, prolonged and repeated is set
Standby air flue thickness can be substantially thinning, causes intensity decreases, operating condition to change, and causes Maintenance and Repair amount to rise and bring greatly
Operation risk.
Content of the invention
In order to overcome problem present in background technology, the invention provides anti-corrosion under a kind of centrifugal blower stoppage in transit state
Protection device, with institute's water content corrosion in avoid not being condensed inside stoppage in transit air compressor machine water and air.
For achieving the above object, the present invention is achieved through the following technical solutions：
Under described centrifugal blower stoppage in transit state, the protection device of anti-corrosion includes air inlet electromagnetic valve 1, pressure monitor 2, online
Moisture analyzer 3, exhaust solenoid valve 4, PLC control modules 5, described air inlet electromagnetic valve 1 are installed on fan air inlet 6, air inlet
Electromagnetic valve 1 is electrically connected with PLC control modules 5, and exhaust solenoid valve 4 is installed on blower fan air vent 8, and exhaust solenoid valve 4 is controlled with PLC
Module 5 is electrically connected, pressure monitor 2 and online moisture analyzer 3 installed in the inside of Fan pipeline 7, pressure monitor 2,
Line moisture analyzer 3 is connected with 5 signal of PLC control modules.
The method that is protected using the protection device of above-mentioned record, is comprised the steps of：
Step（1）：Ensure that air inlet electromagnetic valve 1, exhaust solenoid valve 4 are closed；
Step（2）：Air pressure in Fan pipeline 7 is gathered by pressure monitor 2, and inputs a signal into PLC control modules 5,
PLC control modules 5 by set pressure value calculated, when detection pressure be less than setting value, PLC control modules 5 control into
Pneumoelectric magnet valve 1 is opened, and is passed through protective gas to Fan pipeline 7, until setting value of the detection pressure higher than PLC control modules 5,
Air inlet electromagnetic valve 1 is closed in the control of PLC control modules 5；
Step（3）：By the moisture content situation in 3 detection blower fan pipeline 7 of online moisture analyzer, disease inputs a signal into PLC controls
Module 5, PLC control modules 5 are calculated by the moisture content value for setting；
Step（3-1）：When detection moisture content value is higher than setting value, the control exhaust solenoid valve 4 of PLC control modules 5 is opened, and discharges blower fan
Gas in pipeline 7, then PLC control modules 5 control air inlet electromagnetic valve 1 open, be passed through protective gas to Fan pipeline 7, right
In Fan pipeline 7, gas enters line replacement；
Step（3-2）：When detection moisture content value is reduced to the setting value of PLC control modules 5, PLC control modules 5 control aerofluxuss electromagnetism
Valve 4 cuts out, and air inlet electromagnetic valve 1 is persistently opened, is passed through protective gas to Fan pipeline 7, until detection pressure is controlled higher than PLC
The setting value of molding block 5, the control of PLC control modules 5 close air inlet electromagnetic valve 1.
Beneficial effects of the present invention：
The present invention gathers internal pressure by being passed through protective gas in fan air inlet by pressure monitor, keeps inner tube
Road is in barotropic state, judges that blower interior makes moist situation by online water analyzer, by blower fan gas outlet discharge gas,
Line replacement is entered to blower interior protective gas, it is ensured that blower interior is dried, and reaching prevents corrosion purpose.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
In figure, 1- air inlet electromagnetic valves, 2- pressure monitors, the online moisture analyzers of 3-, 4- exhaust solenoid valves, 5-PLC controls
Molding block, 6- fan air inlets, 7- Fan pipelines, 8- blower fan air vents.
Specific embodiment
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, below in conjunction with accompanying drawing, to the present invention
Preferred embodiment be described in detail, to facilitate the technical staff to understand.
As shown in figure 1, the protection device of anti-corrosion includes air inlet electromagnetic valve 1, pressure under described centrifugal blower stoppage in transit state
Power monitor 2, online moisture analyzer 3, exhaust solenoid valve 4, PLC control modules 5, described air inlet electromagnetic valve 1 are installed on wind
Machine air inlet 6, air inlet electromagnetic valve 1 are electrically connected with PLC control modules 5, and exhaust solenoid valve 4 is installed on blower fan air vent 8, aerofluxuss electricity
Magnet valve 4 is electrically connected with PLC control modules 5, and pressure monitor 2 is arranged on the inside of Fan pipeline 7 with online moisture analyzer 3,
Pressure monitor 2, online moisture analyzer 3 are connected with 5 signal of PLC control modules.
The method that is protected using the protection device of above-mentioned record, is comprised the steps of：
Step（1）：Ensure that air inlet electromagnetic valve 1, exhaust solenoid valve 4 are closed；
Step（2）：Air pressure in Fan pipeline 7 is gathered by pressure monitor 2, and inputs a signal into PLC control modules 5,
PLC control modules 5 by set pressure value calculated, when detection pressure be less than setting value, PLC control modules 5 control into
Pneumoelectric magnet valve 1 is opened, and is passed through protective gas to Fan pipeline 7, until setting value of the detection pressure higher than PLC control modules 5,
Air inlet electromagnetic valve 1 is closed in the control of PLC control modules 5；
Step（3）：By the moisture content situation in 3 detection blower fan pipeline 7 of online moisture analyzer, disease inputs a signal into PLC controls
Module 5, PLC control modules 5 are calculated by the moisture content value for setting；
Step（3-1）：When detection moisture content value is higher than setting value, the control exhaust solenoid valve 4 of PLC control modules 5 is opened, and discharges blower fan
Gas in pipeline 7, then PLC control modules 5 control air inlet electromagnetic valve 1 open, be passed through protective gas to Fan pipeline 7, right
In Fan pipeline 7, gas enters line replacement；
Step（3-2）：When detection moisture content value is reduced to the setting value of PLC control modules 5, PLC control modules 5 control aerofluxuss electromagnetism
Valve 4 cuts out, and air inlet electromagnetic valve 1 is persistently opened, is passed through protective gas to Fan pipeline 7, until detection pressure is controlled higher than PLC
The setting value of molding block 5, the control of PLC control modules 5 close air inlet electromagnetic valve 1.
Protective gas is passed through in Fan pipeline 7 by air inlet electromagnetic valve 1, by 4 exhaust blower pipeline 7 of exhaust solenoid valve
Interior gas.
Air pressure in Fan pipeline 7 is gathered by pressure monitor 2, PLC control modules 5, PLC control modules is input a signal into
5 are calculated by the pressure value for setting, and when detection pressure is less than setting value, PLC control modules 5 control air inlet electromagnetic valve 1 dozen
Open, be passed through protective gas, until detection pressure is higher than setting value, air inlet electromagnetic valve 1 is closed in the control of PLC control modules 5, is kept
Fan pipeline 7 prevents extraneous gas from entering in barotropic state.
By moisture content situation in 3 detection blower fan pipeline 7 of online moisture analyzer, PLC control modules 5, PLC are input a signal into
Control module 5 is calculated by the moisture content value for setting, and when detection moisture content value is higher than setting value, PLC control modules 5 control aerofluxuss
Electromagnetic valve 4 is opened, gas in discharge line, is opened by air inlet electromagnetic valve 1 and is passed through protective gas, gas in pipelines is put
Change.When detection moisture content value is reduced to setting value, the control exhaust solenoid valve 4 of PLC control modules 5 is closed, to containing inside Fan pipeline 7
Moisture bearing gas enter line replacement, and reaching prevents corrosion purpose.
The present invention gathers internal pressure by being passed through protective gas in fan air inlet by pressure monitor, keeps interior
Portion's pipeline is in barotropic state, judges that blower interior makes moist situation by online water analyzer, by the discharge of blower fan gas outlet
Gas, enters line replacement to blower interior protective gas, it is ensured that blower interior is dried, and reaching prevents corrosion purpose.
Finally illustrate, preferred embodiment above is only unrestricted in order to technical scheme to be described, although logical
Cross above preferred embodiment to be described in detail the present invention, it is to be understood by those skilled in the art that can be
In form and various changes are made to which in details, without departing from claims of the present invention limited range.
Claims (2)
1. under a kind of centrifugal blower stoppage in transit state anti-corrosion protection device, it is characterised in that：Described centrifugal blower stoppage in transit shape
Under state, the protection device of anti-corrosion includes air inlet electromagnetic valve（1）, pressure monitor（2）, online moisture analyzer（3）, aerofluxuss electricity
Magnet valve（4）, PLC control modules（5）, described air inlet electromagnetic valve（1）It is installed on fan air inlet（6）, air inlet electromagnetic valve（1）With
PLC control modules（5）Electrical connection, exhaust solenoid valve（4）It is installed on blower fan air vent（8）, exhaust solenoid valve（4）With PLC controls
Module（5）Electrical connection, pressure monitor（2）With online moisture analyzer（3）It is arranged on Fan pipeline（7）Inside, pressure supervise
Survey instrument（2）, online moisture analyzer（3）With PLC control modules（5）Signal connects.
2. the method that is protected using the protection device described in claim 1, it is characterised in that comprise the steps of：
Step（1）：Ensure air inlet electromagnetic valve（1）, exhaust solenoid valve（4）Close；
Step（2）：By pressure monitor（2）Collection Fan pipeline（7）Interior air pressure, and input a signal into PLC control modules
（5）, PLC control modules（5）Calculated by the pressure value for setting, when detection pressure is less than setting value, PLC control modules
（5）Control air inlet electromagnetic valve（1）Open, to Fan pipeline（7）Protective gas is passed through, until detection pressure is controlled higher than PLC
Module（5）Setting value, PLC control modules（5）Air inlet electromagnetic valve is closed in control（1）；
Step（3）：By online moisture analyzer（3）Detection blower fan pipeline（7）Interior moisture content situation, disease input a signal into PLC
Control module（5）, PLC control modules（5）Calculated by the moisture content value for setting；
Step（3-1）：When detection moisture content value is higher than setting value, PLC control modules（5）Control exhaust solenoid valve（4）Open, discharge
Fan pipeline（7）Interior gas, then PLC control modules（5）Control air inlet electromagnetic valve（1）Open, to Fan pipeline（7）It is passed through
Protective gas, to Fan pipeline（7）Interior gas enters line replacement；
Step（3-2）：When detection moisture content value is reduced to PLC control modules（5）Setting value, PLC control modules（5）Control aerofluxuss
Electromagnetic valve（4）Close, make air inlet electromagnetic valve（1）Persistently open, to Fan pipeline（7）Protective gas is passed through, until detection pressure
Power is higher than PLC control modules（5）Setting value, PLC control modules（5）Air inlet electromagnetic valve is closed in control（1）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611060750.3A CN106499659B (en) | 2016-11-28 | 2016-11-28 | The protective device and guard method of anti-corrosion under a kind of centrifugal blower stoppage in transit state |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611060750.3A CN106499659B (en) | 2016-11-28 | 2016-11-28 | The protective device and guard method of anti-corrosion under a kind of centrifugal blower stoppage in transit state |
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| Publication Number | Publication Date |
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| CN106499659A true CN106499659A (en) | 2017-03-15 |
| CN106499659B CN106499659B (en) | 2019-06-21 |
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| CN201611060750.3A Active CN106499659B (en) | 2016-11-28 | 2016-11-28 | The protective device and guard method of anti-corrosion under a kind of centrifugal blower stoppage in transit state |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486263A (en) * | 2020-03-27 | 2020-08-04 | 佛山格尼斯磁悬浮技术有限公司 | Release valve control device, control method and magnetic suspension centrifugal blower |
| CN114688068A (en) * | 2022-04-24 | 2022-07-01 | 广东韶钢松山股份有限公司 | Fan drainage system and drainage method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111486263A (en) * | 2020-03-27 | 2020-08-04 | 佛山格尼斯磁悬浮技术有限公司 | Release valve control device, control method and magnetic suspension centrifugal blower |
| CN114688068A (en) * | 2022-04-24 | 2022-07-01 | 广东韶钢松山股份有限公司 | Fan drainage system and drainage method thereof |
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| Publication number | Publication date |
|---|---|
| CN106499659B (en) | 2019-06-21 |
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