CN110018366A - Petrochemical equipment powder electrostatic harm simulation and preventing control method - Google Patents
Petrochemical equipment powder electrostatic harm simulation and preventing control method Download PDFInfo
- Publication number
- CN110018366A CN110018366A CN201810019262.0A CN201810019262A CN110018366A CN 110018366 A CN110018366 A CN 110018366A CN 201810019262 A CN201810019262 A CN 201810019262A CN 110018366 A CN110018366 A CN 110018366A
- Authority
- CN
- China
- Prior art keywords
- feed bin
- electrostatic
- powder
- experiment
- equipment
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/24—Arrangements for measuring quantities of charge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
Abstract
The present invention relates to a kind of petrochemical equipment powder electrostatic harm simulation and preventing control method, mainly solve the problems, such as that safety is poor caused by electrostatic risk simulation and control effect are poor in the prior art.The present invention endangers simulation and preventing control method by using a kind of petrochemical equipment powder electrostatic, powder electrostatic harm simulation and prevention and control are carried out using petrochemical equipment wind powder feeding body electrostatic hazard simulator, described device include wind send the infrastructure device of Electrostatic Electrification for Powders in Vibration Sieve, powder electrostatic eliminate system, powder electrostatic monitoring system, experiment feed bin, caching feed bin, feed bin rinse-system and PLC control system technical solution preferably solve the above problem, can be used in petrochemical equipment powder electrostatic harm simulation and prevention and control research.
Description
Technical field
The present invention relates to a kind of petrochemical equipment powder electrostatic harm simulation and preventing control methods.
Background technique
Polyolefin/polyester production device can cause feed bin explosion, material knot because wind send body of powder electrification to induce static discharge
Block, material glue the influence device even running such as wall.In addition, entering packaging from the feed opening of feed bin bottom end when powder packaging process
Bag, sometimes results in packaging bag surface electrostatic current potential and is up to 100kV, and electrostatic precipitation is not only caused to pollute original powder material, or even packaging
Personnel's electrostatic shock accident.
Currently, Some Enterprises are to control electrostatic to have carried out improvement and retrofit work that part feed bin eliminates electrostatic, such as patent
Polyolefin bunker Xelminator described in CN201420422720.2, for controlling the powder electrostatic electrification before entering feed bin
Amount.However high-energy discharge type is influenced by space layout in restricted clearance, insulation powder enter after feed bin still because between powder, powder
Dust cloud is charged with bulkhead, powder ruptured zone electric forming, it would still be possible to lead to that static discharge occurs inside feed bin.Accordingly, it is considered to stone
The particularity of material storehouse process units, it is necessary to design a kind of full-scale material pneumatic conveying system, analog study wind send material electrification,
Material flash-over characteristic and packaging process material electrostatic charging characteristic in feed bin, to assess powder electrostatic electric discharge risk.
The object of the present invention is to provide a kind of typical petrochemical equipment powder electrostatics to endanger analog platform and electrostatic hazard prevention and control
Research method simulates full-scale wind and send powder process, endangers Control Technology research for carrying out powder electrostatic, can also be petrochemical industry powder
The analog demenstration and safety technical training of body electrostatic electrification work, and are preferably enterprise safety operation service.
Summary of the invention
It is poor the technical problem to be solved by the present invention is to electrostatic risk simulation in the prior art and control effect and cause
The poor problem of safety, a kind of new petrochemical equipment powder electrostatic harm simulation and preventing control method are provided, there is safety
Preferable advantage.
To solve the above problems, The technical solution adopted by the invention is as follows: a kind of petrochemical equipment powder electrostatic harm simulation
And preventing control method, powder electrostatic harm simulation and prevention and control, institute are carried out using petrochemical equipment wind powder feeding body electrostatic hazard simulator
Stating device includes that wind send the infrastructure device of Electrostatic Electrification for Powders in Vibration Sieve, powder electrostatic to eliminate system, powder electrostatic monitoring system, experiment material
Storehouse, caching feed bin, feed bin rinse-system and control system, it includes gas source and wind that the wind, which send the infrastructure device of Electrostatic Electrification for Powders in Vibration Sieve,
Pipe-line system is sent, is connected between gas source and air delivery pipe system by valve, the gas source includes roots blower, cooler, water
Separator and device for drying and filtering, the air delivery pipe are divided into two-way, and two-way pipeline is switched over by valve；The powder electrostatic
Elimination system and powder electrostatic monitoring system are sequentially arranged on experiment feed bin feed inlet front end air delivery pipe；The caching feed bin
Including bag hose, feed bin and powder packaging system；The tool of powder electrostatic harm simulation and prevention and control research is carried out using described device
Body step includes:
Step 1: it opens wind and send gas source and valve in the infrastructure device of Electrostatic Electrification for Powders in Vibration Sieve, the powder in feed bin passes through rotation
Be given to glassware, into conveyance conduit, the compressed air that roots blower generates is purified, it is dry after Powder air is sent into experiment material
Storehouse；
Step 2: wind powder feeding body static elimination equipment and electrostatic monitoring equipment, material are reserved in experiment feed bin material inlet end
Into before experiment feed bin, to pass through static elimination equipment and electrostatic monitoring equipment, electrostatic monitoring equipment is located at feed bin entrance, to object
The electrostatic that material transmission process generates is monitored on-line, eliminates powder by static elimination equipment utilization ion wind static elimination technology
Body electrostatic；
Step 3: adjusting the powder electrostatic belt electricity for entering experiment feed bin, checks experiment feed bin internal electrostatic electric discharge phenomena,
Material is acquired by thieff hatch, and further tests material web electricity using Faraday cup, for comparing and demarcating electrostatic monitoring
Equipment detection effect provides experiment basis data for powder electrostatic monitoring and technology for eliminating and equipment；
Step 4:, will be in experiment feed bin by the valve on switching gas circuit and conveyance conduit after completing step 1~tri-
Material is sent to caching feed bin by experiment feed bin wind, and tail gas discharges after passing through the bag hose filtering for being mounted on caching feed bin top；
Step 5: pack packaging is carried out to material in caching feed bin, corresponding package operation static elimination is arranged in wrapping position
Equipment, for packing static elimination equipment performance optimal inspection, for controlling powder packaging electrostatic；
Step 6: after experiment or before the switching material trade mark, pass through the feed bin bath spray head of experiment feed bin front end setting
And flush water pump, periodically feed bin is cleaned, the dust-containing water after feed bin rinses drains into pollution discharge pond centralized processing with pipeline.
Preferably, air delivery pipe be DN100 pipeline, pipeline enclosure, pipeline-feed bin, pipeline and gas he pass through flange by equipment room
Or valve connection.
Preferably, the gas source includes roots blower, cooler, separator and device for drying and filtering, and corresponding component passes through
Pipeline connection, roots blower provide compressed air, and guarantee pipeline maximum gas velocity not less than 35m/s, and wind has been sent when platform is run
Electricity should be greater than 1 μ C/kg.
Preferably, the experiment feed bin includes 2 feed bins, and feed bin diameter is greater than 3m, can be controlled separately in each feed bin
It tests powder to be added in conveyance conduit through independent rotary valve, be conveyed by compressed air, and through air delivery pipe and return to former experiment material
Turn material between storehouse or two experiment feed bins or return to caching feed bin, realizes circulation conveying, unloading or the packaging operation of powder.
Preferably, the rotary valve frequency control feeding coal.
Preferably, there are transparent windows at the top of the experiment feed bin and on side wall, and operator's field observation can be used,
Or experiment feed bin internal electrostatic electric discharge phenomena are directly viewable through observation window using high speed imaging system.
Preferably, experiment feed bin top is connect by pipeline with the bag hose on caching feed bin top, and when experiment passes through switching
Valve in gas circuit and conveyance conduit enters experiment feed bin through drier by the compressed air that roots blower provides, can be to feed bin
In material be dried, tail gas is vented after bag hose filters.
Preferably, powder electrostatic eliminates system and powder electrostatic monitoring system is successively mountable before testing feed bin feed inlet
It holds on air delivery pipe, also dismountable relevant device reserves related port, for eliminating and monitoring device performance as novel electrostatic
Test port.
Preferably, experiment feed bin and electrostatic monitoring system downstream conveyance conduit on, experiment feed bin top be respectively set
Sample tap, convenient for detecting static elasticity eliminating effect to material sampling analysis.
It preferably,, can by the manual ball valve on switching conveyance conduit after experiment or when needing replacing other materials
To transport material to caching feed bin, high charge level alarm conveying stops, and then packaging, hole capital after selling all securities continue to convey manually；Wrapping position
Corresponding package operation static elimination is arranged to equip, for packing static elimination equipment performance optimal inspection.
Preferably, powder electrostatic monitoring and elimination system are controlled using PLC (programmable logic controller (PLC)) system, and wind, which is sent, is
Uniting operating parameter can manual adjustment.
Preferably, in experiment feed bin setting feed bin bath spray head and flush water pump, convenient in the switching material trade mark or periodically
Feed bin is cleaned, the dust-containing water after feed bin rinses drains into pollution discharge pond centralized processing with metal hose.
The present invention provides a kind of typical petrochemical equipment powder electrostatic harm simulation and prevention and control research method, full-scale simulation wind
Material transportation process is sent, the typical petrochemical equipment wind of simulation send powder material electrostatic electrification system, and this system design is reasonable, structure
Simply, easy to maintain, it is safe and reliable, it is that wind powder feeding body is quiet for the monitoring and evaluation of the electrification of powder conveying course electrostatic
Pyroelectric monitor and eliminate equipment performance optimization test platform be provided, and analog demenstration for carrying out petrochemical industry Electrostatic Electrification for Powders in Vibration Sieve and
The training of dependant security technology achieves preferable technical effect.
Detailed description of the invention
Fig. 1 is that a kind of typical petrochemical equipment powder electrostatic of the present invention endangers simulation system flow diagram.
Fig. 2 is experiment silo design structure diagram.
In Fig. 1-2,1 is gas source；1-1 is roots blower；1-2 is cooler；1-3 is separator；2 be experiment feed bin
(2-1/2-2 is two feed bins, and N1 is feed inlet, and N2 is discharge port, and N3 is dryer export, and N4 is exhaust outlet, and N5 is sampling
Mouthful, N6 is to rinse excuse, and N7 is manhole well, and N8 is explosion mouth, and K1 is continuous material level meter mouth, and K2 is high charge level meter mouth, K3 is low
Level-sensing device mouth, S1 are silo roof observation window/sample tap, and S2 is storehouse side wall watch window)；3 be rotary valve；4 be ball valve；5-1 is not
Become rusty steel conduit；5-2 is GRP pipe；6 be static elimination equipment and reserved port；7- electrostatic monitoring equipment and reserved port；
8-1 caches feed bin；8-2 is bag hose；8-3 is powder packaging system；9 be drier, and 10 be flush water pump, and 11 be rotation feed
Device.
The present invention will be further described below by way of examples, but is not limited only to the present embodiment.
Specific embodiment
[embodiment 1]
As shown in Figure 1, a kind of typical case's petrochemical equipment powder electrostatic endangers simulation system, Electrostatic Electrification for Powders in Vibration Sieve is sent including wind
Infrastructure device, powder electrostatic eliminate system, powder electrostatic monitoring system, experiment feed bin (as shown in Figure 2), caching feed bin, feed bin
The part such as rinse-system and PLC control system forms.It includes gas source 1 and wind that the wind, which send the infrastructure device of Electrostatic Electrification for Powders in Vibration Sieve,
Pipe-line system 5 is sent, is connected between gas source and air delivery pipe system by valve, the gas source includes roots blower 1-1, cooler
1-2, separator 1-3 and device for drying and filtering 9, roots blower 1-1 provide compressed air, and gas is cooling through cooler 1-2, and passes through
It crosses separator 1-3 and sloughs the condensed water generated after compressed gas cooling, removed through device for drying and filtering 9 miscellaneous in blower and pipeline
Matter realizes conveying and entrance experiment feed bin 2 of the powder in air delivery pipe.
The experiment feed bin 2 includes two experiments feed bin 2-1 and 2-2, and feed bin diameter is 3m, stainless steel material, experiment material
Experiment powder in storehouse 2 (2-1 or 2-2) is added in conveyance conduit through rotary valve 3 (3-1 or 3-2), selects wind by ball valve 4
Pipeline 5 (selection stainless steel metal pipeline 5-1 or insulating glass steel pipeline 5-2) is sent, is conveyed by compressed air, and through air delivery pipe
5, electrostatic elimination system 6 and powder electrostatic monitoring system 7, which return, turns to expect between former experiment feed bin or two experiment feed bins to realize powder
Circulation conveying.
The experiment feed bin top is connect by pipeline with the bag hose 8-2 at caching material 8-1 silo roof end, is passed through when experiment and is cut
The valve taken a breath on road and conveyance conduit, the compressed air provided by roots blower 1-1 enter experiment feed bin through drier 9, can
Material in feed bin is dried, tail gas is vented after bag hose crosses 8-2 filtering.
After experiment or when needing replacing other materials, by switching conveyance conduit 5-3, it can transport material to slow
Material stock storehouse 8-1, high charge level alarm conveying stop, and then packaging 8-3, hole capital after selling all securities continue to convey manually；The corresponding packet of wrapping position setting
Industry static elimination equipment is pretended, for packing static elimination equipment performance optimal inspection.
The feed bin rinse-system that feed bin bath spray head and flush water pump 10 are constituted is set in experiment feed bin 2, convenient for switching
The material trade mark periodically cleans feed bin, and the dust-containing water after feed bin rinses drains into pollution discharge pond centralized processing with metal hose.
The air delivery pipe is DN100 pipeline, his equipment room of pipeline enclosure, pipeline-feed bin, pipeline and gas passes through flange or valve
Door connection.
Roots blower 1-1 provides compressed air in the gas source 1, can guarantee that air delivery pipe maximum gas velocity is not less than 35m/s,
The rotary valve 3-1 and 3-2 frequency control feeding coal.
There are transparent windows at the top of experiment the feed bin 2-1 and 2-2 and on side wall, and the sight of operator scene can be used
It examines, or is directly viewable experiment feed bin internal electrostatic electric discharge phenomena through observation window using CCD high speed imaging system.
The powder electrostatic eliminates system 6 and powder electrostatic monitoring system 7 is successively mountable before testing 2 feed inlet of feed bin
It holds on air delivery pipe, also dismountable relevant device reserves related port, for eliminating and monitoring device performance as novel electrostatic
Test port.
It is described experiment feed bin and electrostatic monitoring system downstream conveyance conduit on, experiment feed bin top sampling is respectively set
Mouthful, convenient for detecting static elasticity eliminating effect to material sampling analysis.
The connecting cable of all devices should be the shielded cable of having insulation sheath, and shielded layer should be grounded, and it is existing to prevent damage
The generation of elephant；The mounting, commissioning and maintenance of equipment should abide by the requirement of product description and following relevant criterion, specification simultaneously:
(1) the 13rd part of GB3836.13-2013 explosive atmosphere: repairing, maintenance, reparation and the transformation of equipment
(2) the 15th part of GB3836.15-2000 Electric Equipment in Explosive Gas Atmosphere: hazardous area is electrically installed by (coal
Except mine)
(3) the 16th part of GB3836.16-2006 Electric Equipment in Explosive Gas Atmosphere: the inspection and dimension of electric device
It protects (except coal mine)
(4) GB50257-2014 electric device installing engineering explosion and the construction of fire hazard electric device and receiving gauge
Model.
Pipe flange installation place should prevent gas, powder leakage.
[embodiment 2]
On the basis of the above embodiments, the present invention provides a kind of typical petrochemical equipment powder electrostatic harm simulation and prevention and control
Research method send material electrostatic electrostatic influence factor, powder electrostatic on-line monitoring for qualitative and quantitative study wind and eliminates equipment
Exploitation is advised with influence of the material high-energy discharge influence factor to discharge frequency, electric discharge position, discharge type in performance optimization, feed bin
Rule, material packaging electrostatic protection technical equipment research and development and performance optimal inspection etc., carry out as follows:
Step 1: opening wind and send gas source 1 and valve in the infrastructure device of Electrostatic Electrification for Powders in Vibration Sieve, the powder in feed bin passes through rotation
Be given to glassware 11, into conveyance conduit, the compressed air that roots blower 1-1 is generated is purified, it is dry after Powder air is sent into it is real
Feed bin 2-1 or 2-2 are tested, apoplexy send pipeline (passing through control valve) selection stainless steel tube 5-1 or nonmetallic glass as needed
Steel pipe 5-2), simulate unlike material pipeline Electrostatic Electrification for Powders in Vibration Sieve situation；
Step 2: wind powder feeding body static elimination equipment 6 is reserved at experiment feed bin 2-1 and 2-2 material inlet end and electrostatic monitoring is set
Standby 7, before material enters experiment feed bin 2-1/2-2, to pass through static elimination equipment 6 and electrostatic monitoring equipment 7, electrostatic monitoring equipment
7 are located at feed bin entrance, and the electrostatic generated to material transportation process is monitored on-line, can pass through static elimination equipment utilization ion
Wind static elimination technology eliminates powder electrostatic；
Step 3: rationally adjusting and enter powder electrostatic charging amount in experiment feed bin 2-1/2-2, by artificial or utilize CCD high
Fast imaging system is directly viewable experiment feed bin internal electrostatic electric discharge phenomena through feed bin top observation window, and is acquired by thieff hatch
Material simultaneously further tests material web electricity using Faraday cup, to study the parameters such as feed bin size, feed bin inner powder material strip electricity
To the affecting laws of static discharge frequency and discharge type in feed bin；
Step 4: according in step 3, by the thief hatch at the top of feed bin using Faraday cup hair test material web electricity, using
In comparing and demarcating electrostatic monitoring equipment detection effect, experiment base is provided for powder electrostatic monitoring and technology for eliminating and equipment
Plinth data；
Step 5: after completing step 1~4, by the valve on switching gas circuit and conveyance conduit, the object in feed bin will be tested
Material is sent to caching feed bin 8-1 by experiment feed bin 2-1/2-2 wind, and tail gas passes through the bag hose 8-2 mistake for being mounted on caching feed bin top
It is discharged after filter；
Step 6: pack packaging manually being carried out to material in caching feed bin 8-1, corresponding package operation is arranged in wrapping position 8-3
Static elimination equipment, for packing static elimination equipment performance optimal inspection, for controlling powder packaging electrostatic.
Step 7: before switching the material trade mark after experiment, passing through the feed bin bath spray head of experiment feed bin front end setting and punching
Wash water pump 10, periodically cleans feed bin, and the dust-containing water after feed bin rinses drains into pollution discharge pond centralized processing with metal hose.
[embodiment 3]
On the basis of the above embodiments, the present invention provides a kind of typical petrochemical equipment powder electrostatic harm simulation and prevention and control
Research method send material electrostatic electrostatic influence factor, powder electrostatic on-line monitoring for qualitative and quantitative study wind and eliminates equipment
Exploitation is advised with influence of the material high-energy discharge influence factor to discharge frequency, electric discharge position, discharge type in performance optimization, feed bin
Rule, material packaging electrostatic protection technical equipment research and development and performance optimal inspection etc., carry out as follows:
Step 1: opening wind and send gas source 1 and valve in the infrastructure device of Electrostatic Electrification for Powders in Vibration Sieve, the powder in feed bin passes through rotation
Be given to glassware 11, into conveyance conduit, the compressed air that roots blower 1-1 is generated is purified, it is dry after Powder air is sent into it is real
Feed bin 2-1 or 2-2 are tested, apoplexy send pipeline (to select stainless steel tube 5-1 by control valve) as needed, simulates unlike material
Pipeline Electrostatic Electrification for Powders in Vibration Sieve situation；
Step 2: wind powder feeding body static elimination equipment 6 is reserved at experiment feed bin 2-1 and 2-2 material inlet end and electrostatic monitoring is set
Standby 7, before material enters experiment feed bin 2-1/2-2, to pass through static elimination equipment 6 and electrostatic monitoring equipment 7, electrostatic monitoring equipment
7 are located at feed bin entrance, and the electrostatic generated to material transportation process is monitored on-line, can pass through static elimination equipment utilization ion
Wind static elimination technology eliminates powder electrostatic；
Step 3: rationally adjusting and enter powder electrostatic charging amount in experiment feed bin 2-1/2-2, by artificial or utilize CCD high
Fast imaging system is directly viewable experiment feed bin internal electrostatic electric discharge phenomena through feed bin top observation window, and is acquired by thieff hatch
Material simultaneously further tests material web electricity using Faraday cup, to study the parameters such as feed bin size, feed bin inner powder material strip electricity
To the affecting laws of static discharge frequency and discharge type in feed bin；
Step 4: according in step 3, by the thief hatch at the top of feed bin using Faraday cup hair test material web electricity, using
In comparing and demarcating electrostatic monitoring equipment detection effect, experiment base is provided for powder electrostatic monitoring and technology for eliminating and equipment
Plinth data；
Step 5: after completing step 1~4, by the valve on switching gas circuit and conveyance conduit, the object in feed bin will be tested
Material is sent to caching feed bin 8-1 by experiment feed bin 2-1/2-2 wind, and tail gas passes through the bag hose 8-2 mistake for being mounted on caching feed bin top
It is discharged after filter；
Step 6: pack packaging manually being carried out to material in caching feed bin 8-1, corresponding package operation is arranged in wrapping position 8-3
Static elimination equipment, for packing static elimination equipment performance optimal inspection, for controlling powder packaging electrostatic.
Step 7: before switching the material trade mark after experiment, passing through the feed bin bath spray head of experiment feed bin front end setting and punching
Wash water pump 10, periodically cleans feed bin, and the dust-containing water after feed bin rinses drains into pollution discharge pond centralized processing with metal hose.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made in the essential scope of this patent also should belong to of the invention
Protection scope.
[comparative example]
The present invention provides a kind of side for sending material simulation system research petrochemical equipment powder electrostatic to endanger using full-scale wind
Method, compared to patent " solid particle blast system " (CN206278687U) etc., analog result of the present invention can reflect practical petrochemical industry
Bin device operating condition.More can cannot be in petrochemical equipment on-the-spot test, this patent with cancellation element for powder electrostatic monitoring
Patent " a kind of polypropylene powder packaging static elimination facility " (104129539 A of CN), a kind of " safety-type powder electrostatic electric eliminating
Device " (107306471 A of CN), " powder electrostatic cancellation element (pipeline type) " (303683721 S of CN) etc. provide safety, reality
Verification platform is provided with property.
The present invention provides a kind of typical petrochemical equipment powder electrostatic harm simulation and prevention and control research method, full-scale simulation wind
Material transportation process is sent, the typical petrochemical equipment wind of simulation send powder material electrostatic electrification system, and this system design is reasonable, structure
Simply, easy to maintain, it is safe and reliable, it is that wind powder feeding body is quiet for the monitoring and evaluation of the electrification of powder conveying course electrostatic
Pyroelectric monitor and eliminate equipment performance optimization test platform be provided, and analog demenstration for carrying out petrochemical industry Electrostatic Electrification for Powders in Vibration Sieve and
The training of dependant security technology achieves preferable technical effect.
Claims (10)
1. a kind of petrochemical equipment powder electrostatic harm simulation and preventing control method, are simulated using petrochemical equipment wind powder feeding body electrostatic hazard
Device carries out powder electrostatic harm simulation and prevention and control, described device include that wind send the infrastructure device of Electrostatic Electrification for Powders in Vibration Sieve, powder quiet
Electric elimination system, powder electrostatic monitoring system, experiment feed bin, caching feed bin, feed bin rinse-system and PLC control system, it is described
It includes gas source and air delivery pipe system that wind, which send the infrastructure device of Electrostatic Electrification for Powders in Vibration Sieve, passes through valve between gas source and air delivery pipe system
Door connection, the gas source includes roots blower, cooler, separator and device for drying and filtering, and the air delivery pipe is divided into two-way,
Two-way pipeline is switched over by valve；The powder electrostatic eliminates system and powder electrostatic monitoring system is sequentially arranged at experiment
On the air delivery pipe of feed bin feed inlet front end；The caching feed bin includes bag hose, feed bin and powder packaging system；Using the dress
Setting the specific steps that progress powder electrostatic harm simulation and prevention and control are studied includes:
Step 1: it opens wind and send gas source and valve in the infrastructure device of Electrostatic Electrification for Powders in Vibration Sieve, the powder in feed bin is given by rotation
Glassware, into conveyance conduit, the compressed air that roots blower generates is purified, it is dry after Powder air is sent into experiment feed bin；
Step 2: wind powder feeding body static elimination equipment and electrostatic monitoring equipment are reserved in experiment feed bin material inlet end, and material enters
Before testing feed bin, to pass through static elimination equipment and electrostatic monitoring equipment, electrostatic monitoring equipment is located at feed bin entrance, defeated to material
The electrostatic for passing through journey generation is monitored on-line, and it is quiet to eliminate powder by static elimination equipment utilization ion wind static elimination technology
Electricity；
Step 3: adjusting the powder electrostatic belt electricity for entering experiment feed bin, checks experiment feed bin internal electrostatic electric discharge phenomena, passes through
Thieff hatch acquires material, and material web electricity is further tested using Faraday cup, for comparing and demarcating electrostatic monitoring equipment
Detection effect provides experiment basis data for powder electrostatic monitoring and technology for eliminating and equipment；
Step 4: after completing step 1~tri-, by the valve on switching gas circuit and conveyance conduit, the material in feed bin will be tested
Caching feed bin is sent to by experiment feed bin wind, tail gas discharges after passing through the bag hose filtering for being mounted on caching feed bin top；
Step 5: carrying out pack packaging to material in caching feed bin, and wrapping position is arranged corresponding package operation static elimination and equips,
For packing static elimination equipment performance optimal inspection, for controlling powder packaging electrostatic；
Step 6: after experiment or before the switching material trade mark, pass through the feed bin bath spray head of experiment feed bin front end setting and punching
Wash water pump, periodically cleans feed bin, and the dust-containing water after feed bin rinses drains into pollution discharge pond centralized processing with pipeline.
2. petrochemical equipment powder electrostatic harm simulation and preventing control method according to claim 1, it is characterised in that the wind is sent
Pipeline is divided into two-way, and material is stainless steel all the way, and another way pipeline material is glassy metal steel, and two-way pipeline is carried out by valve
Switching；His equipment room of pipeline enclosure, pipeline-feed bin, pipeline and gas passes through flange or valve connects.
3. petrochemical equipment powder electrostatic harm simulation and preventing control method according to claim 1, it is characterised in that roots blower
Compressed air is provided, and guarantees pipeline maximum gas velocity not less than 35m/s, wind has sent electricity to should be greater than 1 μ C/kg when platform is run,
Gas is cooling through cooler, and the condensed water generated after separator sloughs compressed gas cooling, goes through device for drying and filtering
Except the impurity in blower and pipeline, conveying and entrance experiment feed bin of the powder in air delivery pipe are realized.
4. petrochemical equipment powder electrostatic harm simulation and preventing control method according to claim 1, it is characterised in that the experiment
Feed bin includes 2 feed bins, and feed bin diameter is greater than 3m, and the experiment powder that can individually control in each feed bin is added through independent rotary valve
In conveyance conduit, conveyed by compressed air, and through air delivery pipe and return turn to expect between former experiment feed bin or two experiment feed bins or
Caching feed bin is returned to, realizes circulation conveying, unloading or the packaging operation of powder；The rotary valve frequency control feeding coal.
5. petrochemical equipment powder electrostatic harm simulation and preventing control method according to claim 1, it is characterised in that the experiment
There are transparent window, operator's field observations at the top of feed bin and on side wall, or penetrate observation using CCD high speed imaging system
Window is directly viewable experiment feed bin internal electrostatic electric discharge phenomena.
6. petrochemical equipment powder electrostatic harm simulation and preventing control method according to claim 1, it is characterised in that experiment feed bin
Top is connect by pipeline with the bag hose on caching feed bin top, by the valve on switching gas circuit and conveyance conduit when experiment,
Enter experiment feed bin through drier by the compressed air that roots blower provides, the material in feed bin is dried, tail gas is through bag
It is vented after filter filtering.
7. petrochemical equipment powder electrostatic harm simulation and preventing control method according to claim 1, it is characterised in that powder electrostatic
Elimination system and powder electrostatic monitoring system are sequentially arranged on experiment feed bin feed inlet front end air delivery pipe, or are removed and accordingly set
Standby reserved related port, for being eliminated and monitoring device performance test port as novel electrostatic；Powder electrostatic monitoring and elimination
System is controlled using PLC system.
8. petrochemical equipment powder electrostatic harm simulation and preventing control method according to claim 1, it is characterised in that expect in experiment
On the conveyance conduit in storehouse and electrostatic monitoring system downstream, experiment feed bin top sample tap is respectively set.
9. petrochemical equipment powder electrostatic harm simulation and preventing control method according to claim 1, it is characterised in that experiment finishes
When afterwards or needing replacing other materials, by the manual ball valve on switching conveyance conduit, caching feed bin, height material are transported material to
Position alarm conveying stops, and then packaging, hole capital after selling all securities continue to convey manually；Wrapping position is arranged corresponding package operation static elimination and fills
It is standby, for packing static elimination equipment performance optimal inspection.
10. petrochemical equipment powder electrostatic harm simulation and preventing control method according to claim 1, it is characterised in that expect in experiment
Feed bin bath spray head and flush water pump is arranged in storehouse, and convenient for switching the material trade mark or periodically cleaning to feed bin, feed bin is rinsed
Dust-containing water afterwards drains into pollution discharge pond centralized processing with metal hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019262.0A CN110018366B (en) | 2018-01-09 | 2018-01-09 | Powder electrostatic hazard simulation and prevention and control method for petrochemical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019262.0A CN110018366B (en) | 2018-01-09 | 2018-01-09 | Powder electrostatic hazard simulation and prevention and control method for petrochemical device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110018366A true CN110018366A (en) | 2019-07-16 |
| CN110018366B CN110018366B (en) | 2021-08-03 |
Family
ID=67187786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810019262.0A Active CN110018366B (en) | 2018-01-09 | 2018-01-09 | Powder electrostatic hazard simulation and prevention and control method for petrochemical device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110018366B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548966A (en) * | 2003-05-10 | 2004-11-24 | 江苏东强股份有限公司 | Powder electrostatic monitor |
| CN201309711Y (en) * | 2008-11-07 | 2009-09-16 | 中国石油天然气集团公司 | Powdery material electrostatic elimination device of fully-automatic hopper |
| EP2218513A1 (en) * | 2007-11-07 | 2010-08-18 | Fuence Co., Ltd. | Fixing machine |
| US20110162579A1 (en) * | 2007-09-22 | 2011-07-07 | Itw Gema Gmbh | Powder feeding method, powder feeding apparatus and electrostatical powder spray coating apparatus |
| CN104129539A (en) * | 2014-07-04 | 2014-11-05 | 中国石油化工股份有限公司 | Polypropylene powder package static eliminating facility |
| CN203968481U (en) * | 2014-07-30 | 2014-11-26 | 大庆安惟特科技有限公司 | Polyolefin bunker Xelminator |
| CN206278687U (en) * | 2016-10-19 | 2017-06-27 | 山东鲁岳化工有限公司 | Solid particle blast system |
| CN107306471A (en) * | 2015-12-25 | 2017-10-31 | 北京东方计量测试研究所 | A kind of safety-type powder electrostatic arrester |
-
2018
- 2018-01-09 CN CN201810019262.0A patent/CN110018366B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548966A (en) * | 2003-05-10 | 2004-11-24 | 江苏东强股份有限公司 | Powder electrostatic monitor |
| US20110162579A1 (en) * | 2007-09-22 | 2011-07-07 | Itw Gema Gmbh | Powder feeding method, powder feeding apparatus and electrostatical powder spray coating apparatus |
| EP2218513A1 (en) * | 2007-11-07 | 2010-08-18 | Fuence Co., Ltd. | Fixing machine |
| CN201309711Y (en) * | 2008-11-07 | 2009-09-16 | 中国石油天然气集团公司 | Powdery material electrostatic elimination device of fully-automatic hopper |
| CN104129539A (en) * | 2014-07-04 | 2014-11-05 | 中国石油化工股份有限公司 | Polypropylene powder package static eliminating facility |
| CN203968481U (en) * | 2014-07-30 | 2014-11-26 | 大庆安惟特科技有限公司 | Polyolefin bunker Xelminator |
| CN107306471A (en) * | 2015-12-25 | 2017-10-31 | 北京东方计量测试研究所 | A kind of safety-type powder electrostatic arrester |
| CN206278687U (en) * | 2016-10-19 | 2017-06-27 | 山东鲁岳化工有限公司 | Solid particle blast system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110018366B (en) | 2021-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207703947U (en) | Polyolefin bunker electrostatic hazard simulator | |
| CN103732344A (en) | Fire protection system for air cleaning system | |
| CN104773478A (en) | Cyclone-type blockage removal equipment for coal bunker of thermal power plant and using method of equipment | |
| CN107226353B (en) | It is a kind of from dredging material-transporting system and its from dredging method | |
| CN110018366A (en) | Petrochemical equipment powder electrostatic harm simulation and preventing control method | |
| CN110201462A (en) | A kind of dust explosion protection monitoring alarm applied in deduster | |
| CN105132614B (en) | Devaporizer cinder conveying device | |
| CN202575416U (en) | Pneumatic transmission and blast furnace injection device for coke oven fly ash | |
| CN202606401U (en) | Full-automatic powder deslagging machine | |
| CN108413255B (en) | Pipe-line separation protection system and method | |
| CN110354430A (en) | Novel intelligent explosion-proof system for coal powder preparation | |
| Manuzon et al. | An Optimized Electrostatic Precipitator for Air Cleaning of Particulate Emissions from Poultry Facilities. | |
| CN211168938U (en) | Pneumatic conveying pipeline | |
| CN210557980U (en) | Experiment platform for conveying dry powder extinguishing agent | |
| CN203357265U (en) | Stress shot-blasting strengthening machine for plate spring | |
| Buzduga et al. | Solutions to reduce the environmental pollution by the producers of refractories | |
| CN208726994U (en) | A kind of rubber exhaust gas pre-processing device | |
| CN204713977U (en) | A kind of chock dust remover for coal handling system | |
| CN110386374B (en) | Method and system for monitoring and controlling static electricity of polyolefin bin powder | |
| CN207570973U (en) | Aerosol monitoring device and pipe-line system in pipeline | |
| CN107380782B (en) | Ash bucket device capable of accurately judging and relieving accident ash deposition of dust remover | |
| CN203470339U (en) | Pneumatic steel ball screening machine | |
| CN209317451U (en) | It is a kind of can on-bne repair integrated fume dedusting denitrification apparatus | |
| CN205628256U (en) | Solid is smashed and conveyer | |
| CN209226040U (en) | Belt conveyor dust detection processing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |