CN106667142A - Cultural relic preservation system capable of charging nitrogen and adjusting humidity - Google Patents
Cultural relic preservation system capable of charging nitrogen and adjusting humidity Download PDFInfo
- Publication number
- CN106667142A CN106667142A CN201611026032.4A CN201611026032A CN106667142A CN 106667142 A CN106667142 A CN 106667142A CN 201611026032 A CN201611026032 A CN 201611026032A CN 106667142 A CN106667142 A CN 106667142A
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- nitrogen
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 200
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 100
- 238000004321 preservation Methods 0.000 title abstract 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000001301 oxygen Substances 0.000 claims abstract description 15
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 15
- 238000013016 damping Methods 0.000 claims description 29
- 238000000746 purification Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000010926 purge Methods 0.000 claims description 12
- 238000004064 recycling Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 53
- 238000001035 drying Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F11/00—Arrangements in shop windows, shop floors or show cases
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/001—Devices for lighting, humidifying, heating, ventilation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/04—Purification or separation of nitrogen
- C01B21/0405—Purification or separation processes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a cultural relic preservation system capable of charging nitrogen and adjusting humidity. The cultural relic preservation system comprises a pipeline, an air purifying section, an air clarifying section, a nitrogen humidity adjusting section, a showcase, a nitrogen recovery section, a PLC control system and an upper computer, wherein the air purifying section, the air clarifying section, the nitrogen humidity adjusting section, the showcase, the nitrogen recovery section, the PLC control system and the upper computer are sequentially communicated through the pipeline, a magnetic valve BV1, a humidity sensor RH/T and an oxygen purity analyzing instrument PU are sequentially installed between the nitrogen humidity adjusting section and a nitrogen charging section, a pressure sensor PG is installed between the showcase and the nitrogen recovery section, and a control valve V5 is arranged on a circulating pipe. The PLC control system is connected with the magnetic valve BV1, the humidity sensor RH/T, the oxygen purity analyzing instrument PU and the pressure sensor PG respectively and is in communicating connection with the upper computer through a wireless network module, and the upper computer is installed on the showcase. The cultural relic preservation system achieves real-time monitoring and automatic adjustment of parameters in the showcase through the PLC control system, the purity of prepared nitrogen is 99% or above, a cultural relic preservation effect is good, the usage cost is low, and the system is convenient to use.
Description
Technical field
The present invention relates to historical relic's protection field, more particularly, to a kind of historical relic's protection system for being capable of nitrogen charging and damping simultaneously
System.
Background technology
Historical relic is the crystallization of our ancestors' work, wisdom and revolutionary spirits, with important history, art and science valency
Value, because historical relic is buried at underground, historical relic is in the equilibrium system that unglazed, anoxic, high humidity, temperature are basically unchanged,
After being unearthed due to historical relic, historical relic be all collection in museum, now, illumination, oxygen, humidity is low, temperature in having for historical relic
Also there are various pollution environment greatly and in air and with corrosive toxic gas in degree change；Therefore, pushing away over time
Shifting, the different degrees of corrosion of historical relic appearance of the collection in museum and disease, show in cultural relics in the collection of cultural institution according to correlation study
There is different degrees of corrosion and disease in more than half, wherein, 29.5 ten thousand in imminent danger, severe corrodes 2,130,000, moderate corrosion
501.7 ten thousand.Due to the value of historical relic and non-renewable, the damage that disease and corrosion are caused to historical relic cannot be repaired, and be caused
Economic loss and the researching value of science be unable to estimate, therefore, it is urgently to be resolved hurrily to carry out good protection to cultural relics in the collection of cultural institution
Outstanding problem.
With the development of society and science and technology, people gradually recognize that cultural relics in the collection of cultural institution is stored in relatively clean environment very
It is important, therefore, all cultural relics in the collection of cultural institution is stored in the subenvironment of relative closure now, with some inert gases by subenvironment
Oxygen enters line replacement, although so effectively slow down the oxide etch of historical relic, in addition, existing cultural relics protection system is neglected substantially
Omited the impact that humidity, temperature and microorganism are caused to historical relic, in fact except air be to historical relic cause damage main original
Therefore it is outer, and the infringement that the change of humidity brings to historical relic is more directly and quick, such as directly contribute historical relic cracking, it is damaged with
And mechanical strength is reduced, crisp powder ftractures etc., therefore, existing cultural relics protection system presence is not good to the protected effect of historical relic, into
The various parameters of historical relic local environment using inconvenient operation and can not be detected at any time and be controlled etc. defect by this height.
The content of the invention
For the problems referred to above of the prior art, the present invention proposes a kind of cultural relics protection system of energy nitrogen charging damping, this
Invention aim to solve the problem that not good existing cultural relics protection system protected effect, high cost, in-convenience in use and cannot be to historical relic institute
The parameter of place's environment carries out the technical problem such as real-time detection and control.
The technical scheme is that：It is a kind of can nitrogen charging damping cultural relics protection system, including pipeline, by pipeline successively
The purification of air workshop section of connection, air purge workshop section, nitrogen damping workshop section, showcase, nitrogen recycling workshop section, PLC control system and
Host computer,
Intake valve V1, the air purge are installed on the pipeline between the entrance point of the pipeline and purification of air workshop section
Pressure regulator valve H1 and choke valve V2, the nitrogen damping workshop section and nitrogen charging are installed on the pipeline between workshop section and nitrogen damping workshop section
Arm, humidity sensor RH/T and oxygen purity analyzer PU are sequentially installed with pipeline between workshop section, are pacified on the arm
Equipped with magnetic valve BV1, pressure sensor PG is installed on the pipeline between the showcase and nitrogen recycling workshop section, the nitrogen is returned
Section of knocking off is provided with control by the pipeline communication between circulation pipe and intake valve V1 and purification of air workshop section on the circulation pipe
Valve V5；
The PLC control system respectively with magnetic valve BV1, humidity sensor RH/T, oxygen purity analyzer PU and pressure
Sensor PG connects, and the PLC control system is connected with host computer by wireless network module communication, and the host computer is arranged on exhibition
On cabinet.
Further, the purification of air workshop section includes front grade purifier, and the front grade purifier is air cleaner.
Further, the air purge workshop section includes compressor, purifier and the deoxidation bottle being sequentially arranged on pipeline,
The compressor is connected with PLC control system, and the pressure of air in pipeline is brought up to 0.49- by the PLC controls compressor
0.51MPa。
Further, regulating valve H1 is pressure-reducing valve, and the pressure-reducing valve is used for pressure stability in 0.29-0.31MPa.
Further, the nitrogen damping workshop section includes control valve V3, check-valves M1, the safety being sequentially arranged on pipeline
Valve, saturator and blending tank, also include the dehumidifier connected with saturator, on the pipeline between the saturator and dehumidifier according to
It is secondary that check-valves M2 and water pump are installed, also include being arranged between choke valve V2 and blending tank and the shunt valve in parallel with saturator
Road, is provided with gas mass flow control valve F1 on the bypass duct, liquid level sensor R, institute are provided with the saturator
State gas mass flow control valve F1, water pump and liquid level sensor R to be connected with PLC control system.
Further, the choke valve V2 is needle-valve.
Further, the nitrogen recycling workshop section includes air accumulator, and the air accumulator is used for what storage was discharged from showcase
Nitrogen, arranges control valve V4 on the pipeline between the air accumulator and pressure sensor PG.
Further, one end of the arm and pipeline communication, the other end of arm is connected with air accumulator.
Further, the PLC control system is Siemens S7-200PLC, and the host computer includes that simatic WINCC is soft
Part and HMI- guidance panels.
The present invention is removed the solid particulate matter in air by front grade purifier, then by compressor is carried pressure again
Height arrive 0.5MPa or so, enters into purifier through the air of compression, and purifier is by the water in air, carbon dioxide, oxygen
Remove etc. foreign gas, obtain the nitrogen that purity is more than 99%, obtain, then adjust pressure-reducing valve H1 so that the pressure of system
Stable in 0.3MPa or so, the nitrogen for obtaining is divided into two parts, and a part is entered directly into as being dried gas by bypass duct
In blending tank, and another part nitrogen flow into saturator in, be fully contacted with the moisture in saturator so that nitrogen it is relatively wet
Degree reaches saturation, then enters back into blending tank and is mixed with the nitrogen being dried, and reaches the nitrogen of relative humidity needed for showcase,
The suitable nitrogen of humidity is filled into showcase, and air accumulator is reclaimed to the nitrogen crossed used in showcase, and the nitrogen of recovery passes through
Circulation pipe is connected with the admission line of front grade purifier, and nitrogen circulation is used, and improves the concentration of nitrogen in inlet air；When this
During invention work, by the way that the pressure of compressor is set in host computer as 0.5MPa or so, setting pressure sensor PG detection pressures
Power is 200-400Pa, sets suitable relative humidity, sets the level value scope in saturator, transmits instructions to PLC controls
In system, PLC control system control compressor pressure is increased to 0.5MPa or so, by humidity sensor RH/T to nitrogen
Humidity is detected, while contrasted with the rh value of setting, when the rh value of detection is more than the relative of setting
Humidity value, PLC control system gas mass flow control valve F1 so that drying nitrogen flow gradually increases, and reaches the phase of setting
During to humidity value, drying nitrogen flow is constant, and when the rh value more than setting, drying nitrogen flow is gradually lowered, and leads to
Adjust after a while, the flow of drying nitrogen gradually tends towards stability so that nitrogen is maintained in the RH range of setting；
Liquid level sensor R is detected to the liquid level in saturator, when the level value of detection is less than the level value scope for setting, PLC controls
System processed control water pump is opened, water pump by the water suction in dehumidifier into saturator, when the level value of detection is higher than setting
During level value scope, PLC control system control water pump quits work；When nitrogen is filled with showcase, pressure sensor PG is in showcase
Pressure value detected that, when the pressure value of detection is more than 400Pa, PLC control system control magnetic valve EV1 is opened so that
Part nitrogen in pipeline is discharged into air accumulator and reclaimed, and reduces the air inflow in showcase so that the pressure in showcase exists
In the range of 200-400Pa, when the pressure in showcase is less than 200Pa, valve EV1 is closed, it is ensured that the Stress control in showcase exists
200Pa-400Pa, can also be by real-time detection pressure value in the system, flow value of drying nitrogen, relative by PLC control system
The data such as humidity, the oxygen content of system, the pressure value of compressor and saturator level value show in real time in host computer.
Compared with prior art, the invention has the beneficial effects as follows：
1. the present invention can be carried out separation and Extraction and obtained with air as raw material by steps such as prime purification, compression and purifying
To nitrogen, the purity for obtaining nitrogen reaches more than 99%, in purification section setting deoxidation bottle so that isolated nitrogen is entered
The secondary deoxygenation of row, and nitrogen damping workshop section is set in the system, the purity of nitrogen is high, with suitable humidity, not only can
Enough ensure that the clean level of subenvironment residing for historical relic is high, prevent growing and insect pest for bacterium and microorganism, and simulate
Historical relic environment residing before being unearthed, therefore, the present invention to the protected effect of historical relic more preferably, and with air raw material, use cost
It is lower.
2. the present invention passes through to arrange PLC control system and host computer within a protection system, to purification section in host computer
The data such as the pressure value in pressure value, flow value, the level value of saturator, the showcase of nitrogen damping workshop section drying nitrogen are set
It is fixed, by PLC control system can in real time to purification section pressure value in system, the flow of nitrogen damping workshop section drying nitrogen,
Oxygen content in pressure and system in liquid level, the showcase of saturator in nitrogen is monitored and remotely control, PLC control system
Enter Mobile state adjustment to whole system by the data monitored so that the present invention, and can be to system using easy to operate
State is realized grasping in real time, historical relic is remained in stable environment so that more preferable to the protected effect of historical relic.
Description of the drawings
Fig. 1 is the process chart of the present invention.
Fig. 2 is the control block diagram of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is further illustrated to the technical scheme in the present invention.
Referring to the drawings 1,2, the present invention includes pipeline 1, the purification of air workshop section, the air purge that are sequentially communicated by pipeline 1
Workshop section, nitrogen damping workshop section, showcase 2, nitrogen recycling workshop section, PLC control system 3 and host computer 4；Purification of air workshop section is by air
In particulate matter be removed, then air purge workshop section is used to isolate nitrogen in air, will by nitrogen damping workshop section
The humidity of the nitrogen isolated is adjusted, then nitrogen is passed into showcase 2, the humidity of nitrogen is adjusted so that energy
Enough simulate the larger environment of humidity before historical relic is unearthed so that historical relic will not be chipping situations such as, the protected effect of historical relic
More preferably, nitrogen recycling workshop section is reclaimed the part nitrogen in system and the nitrogen used in showcase 2 excessively, is then led to again
Enter in system to carry out purifying to reuse so that the content of nitrogen increases in air, reduces the live load of purification section；
The real-time monitoring of the Automated condtrol to cultural relics protection system and parameter is realized by PLC control system 3, can on host computer 4
Pressure in system, relative humidity, liquid level, oxygen concentration, the isoparametric a reference value of temperature are set, and can to
Upper parameter carries out real-time monitoring, and can in real time show in host computer 4.
Intake valve V1 is installed on the pipeline 1 between the entrance point of pipeline 1 and purification of air workshop section, air purge workshop section with
Pressure regulator valve H1 and choke valve V2 is installed, between nitrogen damping workshop section and nitrogen charging workshop section on the pipeline 1 between nitrogen damping workshop section
Pipeline 1 on be sequentially installed with arm 5, humidity sensor RH/T and oxygen purity analyzer PU, magnetic valve is installed on arm 5
BV1, is provided with pressure sensor PG on the pipeline 1 between showcase 2 and nitrogen recycling workshop section, nitrogen recycling workshop section passes through circulation pipe
Pipeline 1 between 6 and intake valve V1 and purification of air workshop section is connected, and control valve V5 is provided with circulation pipe 6；；
PLC control system 3 respectively with magnetic valve BV1, humidity sensor RH/T, oxygen purity analyzer PU and pressure sensing
Device PG connects；PLC control system 3 is connected with host computer 4 by wireless network module communication, and host computer 4 is arranged on showcase 2, side
Just setting and Real Time Observation of the collection personnel to various parameters.
Purification of air workshop section includes front grade purifier, and front grade purifier is air cleaner 7, and air cleaner 7 is mainly used
Graininess impurity in removal air.
Air purge workshop section includes compressor 8, purifier 9 and the deoxidation bottle 10 being sequentially arranged on pipeline 1, compressor 8
It is connected with PLC control system 3, the pressure of air in pipeline 1 is brought up to 0.49-0.51MPa, purifier by PLC control compressors 8
9 by the foreign gases such as the water in air, carbon dioxide and oxygen remove, improve nitrogen purity reach more than 99%, by
The pressure reference value at compressor 8 is set in host computer 4, then host computer 4 sends instruction, PLC controls to PLC control system 3
System 3 is controlled and adjusts to compressor 8 so that the pressure value at compressor 8 setting pressure reference value in the range of,
The automation adjustment for realizing cultural relics protection system and the normal operation that ensure that cultural relics protection system.
Regulating valve H1 is pressure-reducing valve, and pressure-reducing valve is used for pressure stability in 0.29-0.31MPa, to whole historical relic's protection system
The pressure of system is adjusted so that the pressure of whole system is maintained in the pressure limit of setting, prevents system pressure change from making
Into system poor work stability, it is to avoid historical relic is caused to damage.
Nitrogen damping workshop section includes control valve V3, check-valves M1, the safety valve 11, saturator being sequentially arranged on pipeline 1
12 and blending tank 13, also include the dehumidifier 14 connected with saturator 12 so that moisture is supplied directly onto saturation in dehumidifier
Used in device, without the need for being specially separately provided water system, water source is also a saving so that the design of the present invention is more reasonable, section
About cost；Check-valves M2 and water pump 15 are sequentially installed with pipeline 1 between saturator 12 and dehumidifier 14, also including installation
Between choke valve V2 and blending tank 13 and the bypass duct 16 in parallel with saturator 12, gas matter is installed on bypass duct 16
Amount flow control valve F1, is provided with liquid level sensor R, gas mass flow control valve F1, water pump 15 and liquid level on saturator 12
Sensor R is connected with PLC control system 3, and PLC control system 3 and liquid level sensor R are to control the water level of saturator 12
Maintain in the water level range of setting.
Choke valve V2 is needle-valve, and the precision that needle-valve is used to adjust flow is higher so that flow control of the whole system to nitrogen
System is more accurate.
Nitrogen recycling workshop section includes air accumulator 17, and air accumulator 17 is used for the nitrogen that storage is discharged from showcase 2, air accumulator 17
With control valve V4 is set on the pipeline 1 between pressure sensor PG, control valve V5 is set on circulation pipe 6, so that can be by
Nitrogen after the unnecessary and use discharged in pipeline is recycled so that the live load of whole system is reduced, also
The purity for enabling nitrogen remains at more than 99%.
One end of arm 5 connects with pipeline 1, and the other end of arm 5 is connected with air accumulator 17, so that adjusting showcase
During 2 air pressure, from arm 5 discharge part nitrogen can enter into air accumulator 17, the nitrogen in air accumulator 17 can and air
Mixing is re-introduced into being circulated utilization in purification of air workshop section and air purge workshop section so that nitrogen is dense in increase air
Degree so that reduce the live load of air purge workshop section, and also ensure that the purity of nitrogen so that the protection to historical relic is imitated
Fruit is more preferably.
PLC control system 3 is Siemens S7-200PLC, and host computer 4 includes simatic WINCC software and HMI- operating surfaces
Plate, siemens PLC is PLC control system 3, simatic WINCC software and HMI- guidance panels, to cultural relics protection system
The data such as pressure, temperature, purity and flow are acquired, process, storing and curve shows, Stress control, flow can be controlled
With the parameter setting such as Pureness control and humid control, the work of the control magnetic valve BV1 of PLC control system 3, compressor 8 and water pump 15
Make state, and then control the technical parameters such as flow, pressure, humidity and purity, while the parameter of detection is shown in host computer 4
Show so that staff can grasp in real time to the situation in showcase 2, in time or the generation of abnormal conditions can be avoided；
Realization has good protected effect to historical relic.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (9)
1. it is a kind of can nitrogen charging damping cultural relics protection system, it is characterised in that：Including pipeline, the air being sequentially communicated by pipeline
Purification section, air purge workshop section, nitrogen damping workshop section, showcase, nitrogen recycling workshop section, PLC control system and host computer,
Intake valve V1, the air purge workshop section are installed on the pipeline between the entrance point of the pipeline and purification of air workshop section
With pressure regulator valve H1 and choke valve V2 is installed on the pipeline between nitrogen damping workshop section, the nitrogen damping workshop section and nitrogen charging workshop section
Between pipeline on be sequentially installed with arm, humidity sensor RH/T and oxygen purity analyzer PU, be provided with the arm
Magnetic valve BV1, is provided with pressure sensor PG, the nitrogen recycling work on the pipeline between the showcase and nitrogen recycling workshop section
Section is provided with control valve by the pipeline communication between circulation pipe and intake valve V1 and purification of air workshop section on the circulation pipe
V5；
The PLC control system respectively with magnetic valve BV1, humidity sensor RH/T, oxygen purity analyzer PU and pressure sensing
Device PG connects, and the PLC control system is connected with host computer by wireless network module communication, and the host computer is arranged on showcase
On.
2. it is as claimed in claim 1 it is a kind of can nitrogen charging damping cultural relics protection system, it is characterised in that：The purification of air work
Section includes front grade purifier, and the front grade purifier is air cleaner.
3. it is as claimed in claim 1 it is a kind of can nitrogen charging damping cultural relics protection system, it is characterised in that：The air purge work
Section includes compressor, purifier and the deoxidation bottle being sequentially arranged on pipeline, and the compressor is connected with PLC control system, institute
State PLC control compressors and the pressure of air in pipeline is brought up into 0.49-0.51MPa.
4. it is as claimed in claim 1 it is a kind of can nitrogen charging damping cultural relics protection system, it is characterised in that：Regulating valve H1 is
Pressure-reducing valve, the pressure-reducing valve is used for pressure stability in 0.29-0.31MPa.
5. it is as claimed in claim 1 it is a kind of can nitrogen charging damping cultural relics protection system, it is characterised in that：The nitrogen damping work
Section includes control valve V3, check-valves M1, safety valve, saturator and the blending tank being sequentially arranged on pipeline, also includes and saturation
The dehumidifier of device connection, is sequentially installed with check-valves M2 and water pump on the pipeline between the saturator and dehumidifier, also include
Between choke valve V2 and blending tank and the bypass duct in parallel with saturator, gas matter is installed on the bypass duct
Amount flow control valve F1, is provided with liquid level sensor R on the saturator, the gas mass flow control valve F1, water pump with
Liquid level sensor R is connected with PLC control system.
6. it is as claimed in claim 1 it is a kind of can nitrogen charging damping cultural relics protection system, it is characterised in that：The choke valve V2 is
Needle-valve.
7. it is as claimed in claim 1 it is a kind of can nitrogen charging damping cultural relics protection system, it is characterised in that：The nitrogen recycling work
Section includes air accumulator, and the air accumulator is used for the nitrogen that storage is discharged from showcase, the air accumulator and pressure sensor PG it
Between pipeline on arrange control valve V4.
8. it is as claimed in claim 7 it is a kind of can nitrogen charging damping cultural relics protection system, it is characterised in that：One end of the arm
With pipeline communication, the other end of arm connects with air accumulator.
9. it is as claimed in claim 1 it is a kind of can nitrogen charging damping cultural relics protection system, it is characterised in that：The PLC controls system
Unite as Siemens S7-200PLC, the host computer includes simatic WINCC software and HMI- guidance panels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611026032.4A CN106667142A (en) | 2016-11-18 | 2016-11-18 | Cultural relic preservation system capable of charging nitrogen and adjusting humidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611026032.4A CN106667142A (en) | 2016-11-18 | 2016-11-18 | Cultural relic preservation system capable of charging nitrogen and adjusting humidity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106667142A true CN106667142A (en) | 2017-05-17 |
Family
ID=58866618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611026032.4A Pending CN106667142A (en) | 2016-11-18 | 2016-11-18 | Cultural relic preservation system capable of charging nitrogen and adjusting humidity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106667142A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110221641A (en) * | 2019-07-10 | 2019-09-10 | 上海友尹化工装备有限公司 | A kind of industrial nitrogen warming and humidifying system |
| CN116989431A (en) * | 2023-09-25 | 2023-11-03 | 深圳市华图测控系统有限公司 | Power consumption reduction method, device and system based on dehumidifier special for museum |
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| CN103343877A (en) * | 2013-07-26 | 2013-10-09 | 武汉钢铁(集团)公司 | Method and system for pre-cooling ethylene storage tank by low temperature nitrogen |
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| CN110221641A (en) * | 2019-07-10 | 2019-09-10 | 上海友尹化工装备有限公司 | A kind of industrial nitrogen warming and humidifying system |
| CN110221641B (en) * | 2019-07-10 | 2024-06-07 | 上海友尹化工装备有限公司 | Industrial nitrogen heating and humidifying system |
| CN116989431A (en) * | 2023-09-25 | 2023-11-03 | 深圳市华图测控系统有限公司 | Power consumption reduction method, device and system based on dehumidifier special for museum |
| CN116989431B (en) * | 2023-09-25 | 2023-12-15 | 深圳市华图测控系统有限公司 | Power consumption reduction method, device and system based on dehumidifier special for museum |
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