CN108946176A - A kind of devices and methods therefor of catalyst safe transport between mutual exclusion environment - Google Patents
A kind of devices and methods therefor of catalyst safe transport between mutual exclusion environment Download PDFInfo
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- CN108946176A CN108946176A CN201710358060.4A CN201710358060A CN108946176A CN 108946176 A CN108946176 A CN 108946176A CN 201710358060 A CN201710358060 A CN 201710358060A CN 108946176 A CN108946176 A CN 108946176A
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Classifications
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- 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
- B65G53/58—Devices for accelerating or decelerating flow of the materials; Use of pressure generators
-
- 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
Abstract
The present invention relates to oil refining and chemical technology fields, provide a kind of devices and methods therefor of catalyst safe transport between mutual exclusion environment, which includes: hopper, operation control system, environment A gas online detector, environment B gas online detector, level-sensing device, discharge air pressure force controller, hopper pressure controller, inert gas flow amount controller, pressure regulation gas control valve, inert gas regulating valve discharges gas regulating valve, program controlled switch valve A~D；This method includes five step sequences, to realize that catalyst is conveyed from environment A to environment B: 1) adjusting hopper pressure and be slightly below environment A；2) agent is filled from environment A to hopper；3) the environment A gas in inert gas purge hopper is to safe concentration；4) agent is arranged from hopper to environment B；5) the environment B gas in inert gas purge hopper is to safe concentration.This method solve catalyst to be continuously conveyed problem between mutual exclusion environment, has broad prospect of application in related industrial process.
Description
Technical field
The present invention relates to oil refining and chemical technology fields, safe between mutual exclusion environment more particularly, to a kind of catalyst
The devices and methods therefor of conveying.
Background technique
In oil refining and chemical technology field, the case where conveying between mutual exclusion environment there are catalyst, such as oxidation environment with
Catalyst transport between reducing environment, between high-temperature oil gas environment and oxygen atmosphere.Realize conveying of the catalyst between mutual exclusion environment
It is the necessary demand for guaranteeing process safety and normal operating.
Patent document CN1686603A discloses a kind of catalyst reverse pressure transfer method and device, and method is mainly for inverse
Transmission process is pressed, solid particle is transported to a permanent high-pressure bottle from permanent low pressure vessel, the conveying for being not directed to mutual exclusion environment is asked
Topic.
In addition, patent document CN2527562Y, CN102049223A, CN102837863A propose catalyst transport dress
It sets, but is the method and apparatus for adding catalyst into the patterns reactor such as fluidized bed or ebullated bed, conveyed between mutual exclusion
Catalyst has essential distinction.
Patent document CN205613659U discloses catalyst pulp conveying reversing arrangement, which is suitable for catalyst system
Standby technical field, delivery vehicles are liquid, are not that the related of gas is recorded about delivery vehicles.
Summary of the invention
Problem to be solved by this invention is to provide a kind of catalysis for defect existing for catalyst transport between mutual exclusion environment
The apparatus and method that agent conveys between mutual exclusion environment, thus realize between mutual exclusion environment in catalyst transport two kinds of mutual exclusion environment every
The continuous, safe transport from, catalyst.
When mutual exclusion environment of the present invention refers to that the gas of two kinds of environment should not contact or be present in same container, mutual exclusion
Environmental gas contacts or violent chemical reaction can occur in same container, easily causes the consequences such as burning, explosion.
To achieve the goals above, the present invention provides a kind of device of catalyst safe transport between mutual exclusion gaseous environment,
The device includes: hopper, operation control system, level-sensing device, environment A gas online detector, environment B gas online detector,
Discharge air pressure force controller, hopper pressure controller, inert gas flow amount controller, pressure regulation gas control valve, inert gas tune
Valve is saved, gas regulating valve, program controlled switch valve A~D are discharged；
The operation control system is used to receive the level signals, environment A gas online detector, environment B gas of level-sensing device
The on-line checking concentration signal of body on-line detector, the hopper pressure signal of hopper pressure controller, discharge air pressure force controller
Discharge air pressure force signal and inert gas flow amount controller inert gas flow signal, and according to each sequential control adjust
The state of valve and program controlled switch valve.
The device provided according to the present invention, it is preferable that the top of the hopper is equipped with filter；The filter is preferably
Backwash filter.When hopper boosting, pressure regulation gas through filter element upper end enter hopper, it can be achieved that filter it is automatic anti-
It rinses.
It is described the present invention also provides a kind of method for realizing catalyst safe transport between mutual exclusion environment using above-mentioned apparatus
The process that catalyst is conveyed from environment A to environment B includes five step sequences:
1) it adjusts hopper pressure and is slightly below environment A；
2) agent is filled from environment A to hopper；
3) the environment A gas in inert gas purge hopper is to safe concentration；
4) agent is arranged from hopper to environment B；
5) the environment B gas in inert gas purge hopper is to safe concentration.
The method provided according to the present invention, it is preferable that step sequence 1) in, pressure regulation gas control valve is opened to hopper punching press, is protected
Hold the pressure that hopper pressure is slightly below environment A.It is highly preferred that pressure regulation gas is selected from environment A gas or inert gas, when punching press, expects
Pressure in bucket is lower than the pressure of environment A, and preferably its differential pressure is 5~30kPa.Before this step sequence starts for the first time, hopper is in inertia
Atmosphere guarantees safety.
Hopper is in environment A gaseous environment at the end of this step sequence.
The method provided according to the present invention, it is preferable that step sequence 2) in, program controlled switch valve A is opened, other program-controlled open is closed
Closing valve, catalyst flow into hopper, and operation control system issues according to level signals and closes program-controlled open when reaching predetermined high charge level
The signal of closing valve A stops dress agent；Hopper is in environment A gaseous environment at the end of this step sequence.
Preferably, sequence 3 is walked) in, the environment A gas in discharge gas regulating valve discharge hopper is opened, inert gas tune is opened
Save valve and program controlled switch valve D, the catalyst being passed through in inert gas purge hopper, when environment A gas online detector is fed back
When environment A gas concentration reaches safe concentration, program controlled switch valve D and inert gas regulating valve are closed.
Environment A gas safety concentration should be lower than gas explosion limit (or threshold of reaction) lower limit, generally use volume point
Number is not more than 0.5%, and stringent process can be further decreased.
Hopper is in inert gas environment at the end of this step sequence.
Preferably, sequence 4 is walked) in, under the control of operation control system, by the pressure of hopper pressure controller control hopper
Slightly above environment B；Program controlled switch valve B is opened, catalyst flows to environment B, reaches operation control system root when making a reservation for low material position
The signal for closing program controlled switch valve B is issued according to level signals, stops row's agent；Hopper is in environment B gas at the end of this step sequence
Environment.
Preferably, sequence 5 is walked) in, discharge gas regulating valve, inert gas regulating valve and program controlled switch valve D are opened, is passed through lazy
Property gas purge hopper, when environment B gas online detector feedback environment B gas concentration reaches safe concentration, close it is program-controlled
Controlled valve D and inert gas regulating valve.
Environment B gas safety concentration should be lower than gas explosion limit (or threshold of reaction) lower limit, generally use volume point
Number is not more than 0.5%, and stringent process can be further decreased.
Hopper is in inert gas environment at the end of this step sequence.
The above step sequence successively carries out, and realizes catalyst from environment A to environment B safe transport.
The method provided according to the present invention, it is preferable that discharge gas regulating valve is according to hopper pressure controller and discharge air pressure
The pressure signal of force controller, controlling opening of valve guarantee that pressure changes steadily in hopper.
The method provided according to the present invention, it is preferable that when hopper is in row's agent step sequence, open program controlled switch valve D and lazy
Property gas control valve, keep hopper in catalyst be in fluidized state.
The method provided according to the present invention, it is preferable that before check, hopper is in isolation, using inert gas
Purging, to exclude environment A gas therein, environment B gas.
It is further preferred that the inert gas is selected from nitrogen or argon gas.
The method provided according to the present invention, it is preferable that mutual exclusion environment includes oxidation-deoxidizing circumstance or oil gas-oxidation ring
Border, the oxidation-deoxidizing circumstance include hydrogen-oxygen atmosphere or oxygen-hydrogen environment.
The method provided according to the present invention, it is preferable that before each step sequence for ambiance variation occurs starts, operation
Control system confirms the gas in hopper according to the concentration signal of environment A gas online detector and environment B gas online detector
Body environment starts the step sequence after being in safe range；
Preferably, corresponding pressure regulation gas control valve is controlled using hopper pressure controller or inert gas adjusts valve regulation
The pressure of hopper guarantees pressure security, pressure does not occur and plays a reversed role and impacts.
The method provided according to the present invention, according to the severe of technique, each program controlled switch valve can be valve group.
The method provided according to the present invention, catalyst transport pipeline and vertical direction angle are not more than 45 degree, avoid being catalyzed
Agent deposition leads to difficulty of transportation.
Technical solution of the present invention bring beneficial effect is: it is continuous defeated between mutual exclusion environment that this method solve catalyst
Send problem；Full-automatic detection and sequential control are realized by dedicated operations control system, guarantee catalyst between mutual exclusion environment
Transmission process is safe and reliable；Catalyst transport technology provides new method and apparatus between mutual exclusion environment in petrochemical industry, in phase
Closing has broad prospect of application in industrial process.
Detailed description of the invention
Exemplary embodiment of the invention is described in more detail in conjunction with the accompanying drawings, it is of the invention above-mentioned and its
Its purpose, feature and advantage will be apparent, wherein in exemplary embodiment of the invention, identical reference label
Typically represent same parts.
Fig. 1 shows the schematic diagram of catalyst security conveyer between mutual exclusion environment.
Above-mentioned figure label is described as follows:
1- hopper；2- operation control system；3- pressure regulation gas control valve；4- inert gas regulating valve；5- discharges controlled atmosphere section
Valve；6- level-sensing device；7- hopper pressure controller；8- pressure purge controller；9- environment A gas online detector；10- environment B
Gas online detector；11- inert gas flow amount controller；12~15- program controlled switch valve A~D.
Specific embodiment
The preferred embodiment that the present invention will be described in more detail below with reference to accompanying drawings.Although showing the present invention in attached drawing
Preferred embodiment, however, it is to be appreciated that may be realized in various forms the present invention without the embodiment party that should be illustrated here
Formula is limited.
Embodiment 1
In an embodiment of the invention, a kind of realization catalyst safe transport between hydrogen-oxygen atmosphere is provided
Method employed nitrogen as using Fig. 1 shown device as inert gas, hydrogen as pressure regulation gas, catalyst is from hydrogen environment
(environment A) is completed to oxygen atmosphere (environment B) conveying by five step sequences, is respectively:
The pressure for adjusting hopper 1 is slightly below hydrogen environment, agent is filled from hydrogen environment to hopper 1, in nitrogen purging hopper 1
Hydrogen arranges agent to safe concentration, from hopper 1 to oxygen atmosphere, nitrogen purges the oxygen in hopper 1 to safe concentration；
It walks sequence one: opening pressure regulation gas control valve 3, program controlled switch valve C 14 to hopper punching press, keep the pressure of hopper 1
The slightly below pressure of hydrogen environment；Hydrogen environment and hopper differential pressure are 10kPa.
Before this step sequence starts for the first time, hopper 1 is in nitrogen atmosphere, guarantees safety.
The filter at the top of hopper 1 is backwash filter, when hopper 1 boosts, hydrogen through filter element upper end into
Material bin 1 realizes the automatic backwash of filter.
Hopper 1 is in hydrogen environment at the end of this step sequence.
It walks sequence two: under the control of operation control system 2, closing other program controlled switches valve B 13-D15, open program-controlled
Controlled valve A 12, catalyst flow into hopper 1 under gravity.Controlling level is detected by level-sensing device 6, and material position is believed
Number it is transmitted to operation control system 2.After loaded catalyst reaches default controlling level, operating system 2 issues signal-off journey
Controlled valve A 12 is controlled, dress catalyst is stopped.
Hopper 1 is in hydrogen environment at the end of this step sequence.
It walks sequence three: under the control of operation control system 2, opening the hydrogen that discharge gas regulating valve 5 is discharged in hopper 1, so
Inert gas regulating valve 4 and program controlled switch valve D 15 are opened afterwards, and the catalyst being passed through in nitrogen purging hopper 1 passes through hopper
Pressure signal is transmitted to operation control system 2 by pressure controller 7, and operation control system 2 is controlled by discharge air pressure force controller 8
The aperture of system discharge gas regulating valve 5.
It detects hopper 1 using environment A gas (hydrogen) on-line detector 9 in this step sequence to work off one's feeling vent one's spleen middle density of hydrogen, and will
Concentration signal is fed back in operation control system 2.When density of hydrogen reaches safe concentration, operating system 2 closes program controlled switch
Valve D 15 and inert gas regulating valve 4.Operation control system 2 controls inert gas tune by inert gas flow amount controller 11
4 aperture of valve is saved, nitrogen flow is adjusted.
Hydric safe concentration should be lower than lower explosive limit, be not more than 0.5% using hydrogen volume score.
Hopper 1 is in nitrogen environment at the end of this step sequence.
It walks sequence four: under the control of operation control system 2, opening program controlled switch valve D 15 and inert gas regulating valve 4,
The catalyst in hopper 1 is kept to be in fluidized state；Open program controlled switch valve B13.It is detected in hopper 1 and is expected by level-sensing device 6
Level signals are transmitted to operation control system 2, reached after making a reservation for low material position by position height, and operation control system 2 issues signal and closes
Program controlled switch valve B 13 is closed, exhaust catalyst is stopped.
Hopper 1 is in oxygen atmosphere at the end of this step sequence.
It walks sequence five: under the control of operation control system 2, opening discharge gas regulating valve 5, open inert gas regulating valve 4
With program controlled switch valve D 15, it is passed through nitrogen purging hopper 1, pressure signal is transmitted to by operation by hopper pressure controller 7
Control system 2, the aperture that operation control system 2 passes through the discharge control discharge gas regulating valve 5 of air pressure force controller 8.
It detects hopper 1 using environment B gas (oxygen) on-line detector 10 in this step sequence to work off one's feeling vent one's spleen middle oxygen concentration, and will
Concentration signal is fed back in operation control system 2.When oxygen concentration reaches safe concentration, operating system 2 closes program controlled switch
Valve D 15 and inert gas regulating valve 4.
Oxygen safe concentration preferably uses volume fraction no more than 0.5%.
Hopper 1 is in nitrogen environment at the end of this step sequence.
The above step sequence successively carries out, and realizes safe transport of the catalyst from hydrogen environment to oxygen atmosphere.
In addition, operation control system will be according to environment A gas before starting for each step sequence that hydrogen-oxygen environmental change occurs
The concentration signal of (hydrogen) on-line detector 9 and environment B gas (oxygen) on-line detector 10 confirms the Ring in hopper 1
Border, which is in safe range, could start the step sequence.And 1 pressure of hopper is controlled using hopper pressure controller 7, guarantees pressure peace
Entirely, pressure does not occur to play a reversed role and impact.
Embodiment 2
In yet another embodiment of the present invention, it is defeated to provide a kind of realization catalyst safety between oxygen-hydrogen environment
The method sent is employed nitrogen as using Fig. 1 shown device as inert gas and pressure regulation gas, and catalyst is from oxygen atmosphere (environment
A it) is completed to hydrogen environment (environment B) conveying by five step sequences, is respectively:
The pressure for adjusting hopper 1 is slightly below oxygen atmosphere pressure, agent is filled from oxygen atmosphere to hopper 1, nitrogen purges hopper 1
Interior oxygen arranges agent to safe concentration, from hopper 1 to hydrogen environment, nitrogen purges the hydrogen in hopper 1 to safe concentration；
It walks sequence one: opening pressure regulation gas control valve 3, program controlled switch valve C 14 to hopper punching press, keep the pressure of hopper 1
The differential pressure of the slightly below pressure of oxygen atmosphere, oxygen atmosphere and hopper is 15kPa.
Before this step sequence starts for the first time, hopper 1 is in nitrogen atmosphere, guarantees safety.
Hopper 1 is in oxygen atmosphere at the end of this step sequence.
It walks sequence two: under the control of operation control system 2, closing other program controlled switches valve B 13-D15, open program-controlled
Controlled valve A 12, catalyst flow into hopper 1 under gravity.Controlling level is detected by level-sensing device 6, and material position is believed
Number it is transmitted to operation control system 2.After loaded catalyst reaches default controlling level, operating system 2 issues signal-off journey
Controlled valve A 12 is controlled, dress catalyst is stopped.
Hopper 1 is in oxygen atmosphere at the end of this step sequence.
It walks sequence three: under the control of operation control system 2, opening the oxygen that discharge gas regulating valve 5 is discharged in hopper 1, so
Inert gas regulating valve 4 and program controlled switch valve D 15 are opened afterwards, and the catalyst being passed through in nitrogen purging hopper 1 passes through hopper
Pressure signal is transmitted to operation control system 2 by pressure controller 7, and operation control system 2 is controlled by discharge air pressure force controller 8
The aperture of system discharge gas regulating valve 5.
It detects hopper 1 using environment A gas (oxygen) on-line detector 9 in this step sequence to work off one's feeling vent one's spleen middle oxygen concentration, and will
Concentration signal is fed back in operation control system 2.When oxygen concentration reaches safe concentration, operating system 2 closes program controlled switch
Valve D 15 and inert gas regulating valve 4.Operation control system 2 controls inert gas by inert gas flow amount controller (11)
4 aperture of regulating valve adjusts nitrogen flow.
Oxygen safe concentration preferably uses volume fraction no more than 0.5%.
Hopper 1 is in nitrogen environment at the end of this step sequence.
It walks sequence four: under the control of operation control system 2, opening program controlled switch valve 15 and inert gas regulating valve 4, protect
The catalyst held in hopper 1 is in fluidized state；Open program controlled switch valve B 13.Material position in hopper 1 is detected by level-sensing device 6
Highly, level signals are transmitted to operation control system 2, reached after making a reservation for low material position, operation control system 2 issues signal-off
Program controlled switch valve B 13 stops exhaust catalyst.
Hopper 1 is in hydrogen environment at the end of this step sequence.
It walks sequence five: under the control of operation control system 2, opening discharge gas regulating valve 5, open inert gas regulating valve 4
With program controlled switch valve D 15, it is passed through nitrogen purging hopper 1, pressure signal is transmitted to by operation by hopper pressure controller 7
Control system 2, the aperture that operation control system 2 passes through the discharge control discharge gas regulating valve 5 of air pressure force controller 8.
It detects hopper 1 using environment B gas (hydrogen) on-line detector 10 in this step sequence to work off one's feeling vent one's spleen middle density of hydrogen, and will
Concentration signal is fed back in operation control system 2.When density of hydrogen reaches safe concentration, operating system 2 closes program controlled switch
Valve D 15 and inert gas regulating valve 4.
Hydric safe concentration preferably uses volume fraction no more than 0.5%.
Hopper 1 is in nitrogen environment at the end of this step sequence.
The above step sequence successively carries out, and realizes safe transport of the catalyst from oxygen atmosphere to hydrogen environment.
In addition, operation control system 2 will be according to environment A gas before starting for each step sequence that hydrogen-oxygen environmental change occurs
The concentration signal of body (oxygen) on-line detector 9 and environment B gas (hydrogen) on-line detector 10 confirms the gas in hopper 1
Environment, which is in safe range, could start the step sequence.And 1 pressure of hopper is controlled using pressure controller, guarantees pressure security,
Pressure does not occur to play a reversed role and impact.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.
Claims (10)
1. a kind of device of catalyst safe transport between mutual exclusion gaseous environment, which is characterized in that the device includes: hopper (1),
Operation control system (2), level-sensing device (6), environment A gas online detector (9), environment B gas online detector (10), discharge
Air pressure force controller (8), hopper pressure controller (7), inert gas flow amount controller (11), pressure regulation gas control valve (3) are lazy
Property gas control valve (4), discharge gas regulating valve (5), program controlled switch valve A (12)~D (15)；
The operation control system (2) is used to receive level signals, the environment A gas online detector (9), ring of level-sensing device (6)
The on-line checking concentration signal of border B gas online detector (10), the hopper pressure signal of hopper pressure controller (7), discharge
The discharge air pressure force signal of air pressure force controller (8) and the inert gas flow signal of inert gas flow amount controller (11),
And according to the state of each sequential control regulating valve and program controlled switch valve.
2. the apparatus according to claim 1, wherein the top of the hopper (1) is equipped with filter；The filter is preferred
For backwash filter.
3. a kind of method for realizing catalyst safe transport between mutual exclusion environment using device as claimed in claim 1 or 2, special
Sign is that the process that the catalyst is conveyed from environment A to environment B includes five step sequences:
1) it adjusts hopper (1) pressure and is slightly below environment A；
2) agent is filled from environment A to hopper (1)；
3) the environment A gas in inert gas purge hopper (1) is to safe concentration；
4) agent is arranged from hopper (1) to environment B；
5) the environment B gas in inert gas purge hopper (1) is to safe concentration.
4. walk sequence 1 according to the method described in claim 3, wherein) in, open pressure regulation gas control valve (3) to hopper punching press,
Hopper (1) pressure is kept to be slightly below the pressure of environment A；
Walk sequence 2) in, it opens program controlled switch valve A (12), closes other program controlled switch valves, catalyst flows into hopper (1), reaches
Operation control system (2) issues the signal for closing program controlled switch valve A (12) according to level signals when to predetermined high charge level, stops
Fill agent；
Walk sequence 3) in, discharge gas regulating valve (5), inert gas regulating valve (4) and program controlled switch valve D (15) are opened, is passed through lazy
Property gas purging hopper (1) in catalyst, when environment A gas online detector (9) feedback environment A gas concentration reach safety
When concentration, program controlled switch valve D (15) and inert gas regulating valve (4) are closed；
Walk sequence 4) in, it opens program controlled switch valve B (13), reaches operation control system when making a reservation for low material position (2) and believed according to material position
Number issue close program controlled switch valve B (13) signal, stop row agent；
Walk sequence 5) in, discharge gas regulating valve (5), inert gas regulating valve (4) and program controlled switch valve D (15) are opened, is passed through lazy
Property gas purge hopper, when environment B gas online detector (10) feedback environment B gas concentration reaches safe concentration, close
Program controlled switch valve D (15) and inert gas regulating valve (4).
5. the method according to claim 3 or 4, wherein discharge gas regulating valve (5) according to hopper pressure controller (7) and
The pressure signal of air pressure force controller (8) is discharged, controlling opening of valve guarantees that hopper (1) interior pressure changes steadily.
6. the method according to claim 3 or 4, wherein step sequence 1) in, pressure regulation gas is selected from environment A gas or indifferent gas
Body, pressure when punching press in hopper (1) are lower than the pressure of environment A, and preferably its differential pressure is 5~30 kPa.
7. the method according to claim 3 or 4, wherein when hopper (1) is in row's agent step sequence, open program controlled switch valve D
(15) and inert gas regulating valve (4), the catalyst in hopper (1) is kept to be in fluidized state.
8. the method according to claim 3 or 4, wherein before check, hopper (1) is in isolation, using inertia
Gas purging, to exclude environment A gas therein, environment B gas.
9. the method according to claim 3 or 4, wherein mutual exclusion environment includes oxidation-deoxidizing circumstance or oil gas-oxidation
Environment.
10. the method according to any one of claim 3-9, wherein for each step sequence of ambiance variation occurs
Before beginning, operation control system (2) is dense according to environment A gas online detector (9) and environment B gas online detector (10)
Signal is spent, the gaseous environment in confirmation hopper (1) starts the step sequence after being in safe range；
Corresponding pressure regulation gas control valve (3) is controlled using hopper pressure controller (7) or inert gas regulating valve (4) adjusts material
The pressure of bucket (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710358060.4A CN108946176A (en) | 2017-05-19 | 2017-05-19 | A kind of devices and methods therefor of catalyst safe transport between mutual exclusion environment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710358060.4A CN108946176A (en) | 2017-05-19 | 2017-05-19 | A kind of devices and methods therefor of catalyst safe transport between mutual exclusion environment |
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| CN108946176A true CN108946176A (en) | 2018-12-07 |
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| CN201710358060.4A Pending CN108946176A (en) | 2017-05-19 | 2017-05-19 | A kind of devices and methods therefor of catalyst safe transport between mutual exclusion environment |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1686603A (en) * | 2005-03-29 | 2005-10-26 | 白跃华 | Catalyst particle reverse pressure transfer method and its device |
| CN1915774A (en) * | 2006-08-07 | 2007-02-21 | 西安热工研究院有限公司 | Mechanism with multiple discharge ports for deliverying pressurized powder in thick phase |
| CN102049217A (en) * | 2009-10-27 | 2011-05-11 | 中国石油化工股份有限公司 | On-line filling device and method for catalyst |
| CN102049218A (en) * | 2009-10-27 | 2011-05-11 | 中国石油化工股份有限公司 | Catalyst online feeding device and method |
| CN102049223A (en) * | 2009-10-27 | 2011-05-11 | 中国石油化工股份有限公司 | Device and method for filling catalyst on line by pneumatic transmission |
| US20110229276A1 (en) * | 2008-10-23 | 2011-09-22 | Thomas Eder | Method and apparatus for separating particulate solids from a gas stream |
| CN204137906U (en) * | 2014-09-22 | 2015-02-04 | 中国石化扬子石油化工有限公司 | A kind of pulsed powder feeding device |
| CN205151192U (en) * | 2015-12-01 | 2016-04-13 | 东南大学 | High densification looks pneumatic conveyor of forced lubrication formula |
| CN106586570A (en) * | 2015-10-14 | 2017-04-26 | 中国石油化工股份有限公司 | System and method for discharging dust in hydrogen-containing medium state environment |
-
2017
- 2017-05-19 CN CN201710358060.4A patent/CN108946176A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1686603A (en) * | 2005-03-29 | 2005-10-26 | 白跃华 | Catalyst particle reverse pressure transfer method and its device |
| CN1915774A (en) * | 2006-08-07 | 2007-02-21 | 西安热工研究院有限公司 | Mechanism with multiple discharge ports for deliverying pressurized powder in thick phase |
| US20110229276A1 (en) * | 2008-10-23 | 2011-09-22 | Thomas Eder | Method and apparatus for separating particulate solids from a gas stream |
| CN102049217A (en) * | 2009-10-27 | 2011-05-11 | 中国石油化工股份有限公司 | On-line filling device and method for catalyst |
| CN102049218A (en) * | 2009-10-27 | 2011-05-11 | 中国石油化工股份有限公司 | Catalyst online feeding device and method |
| CN102049223A (en) * | 2009-10-27 | 2011-05-11 | 中国石油化工股份有限公司 | Device and method for filling catalyst on line by pneumatic transmission |
| CN204137906U (en) * | 2014-09-22 | 2015-02-04 | 中国石化扬子石油化工有限公司 | A kind of pulsed powder feeding device |
| CN106586570A (en) * | 2015-10-14 | 2017-04-26 | 中国石油化工股份有限公司 | System and method for discharging dust in hydrogen-containing medium state environment |
| CN205151192U (en) * | 2015-12-01 | 2016-04-13 | 东南大学 | High densification looks pneumatic conveyor of forced lubrication formula |
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