CN105013295B - A kind of emergent treatment system and emergency processing method of fluorine carbon alkane process units - Google Patents
A kind of emergent treatment system and emergency processing method of fluorine carbon alkane process units Download PDFInfo
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- CN105013295B CN105013295B CN201510472609.3A CN201510472609A CN105013295B CN 105013295 B CN105013295 B CN 105013295B CN 201510472609 A CN201510472609 A CN 201510472609A CN 105013295 B CN105013295 B CN 105013295B
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Abstract
The present invention relates to a kind of emergent treatment system and emergency processing method of fluorine carbon alkane process units, described emergent treatment system includes the tele-control system that the blowdown pipe being connected with fluorine carbon alkane process units is connected for the absorption tower for absorbing gaseous phase materials, the multiple stop valves being separately positioned on the inlet/outlet pipe and described blowdown pipe of described fluorine carbon alkane process units, the opening and closing for controlling described stop valve and described absorption tower work with described blowdown pipe.The present invention is by the improvement to emergent treatment system, by Automated condtrol means, reduce the loss of casualties and property, physical treatment can be rapidly performed by, so that process time completely is within 8 minutes, and the sour gas volume content in the tail gas after being absorbed through absorption tower is less than 1%, the acid solution absorbed through absorption tower can reduce production cost according to monitoring index classification reuse.
Description
Technical field
The present invention relates to a kind of emergent treatment system and emergency processing method of fluorine carbon alkane process units.
Background technology
In theory, when fluorine chemical plant installations is leaked, parking process typically are carried out by below scheme：1st, system cut-off-
Certain unit separates rapidly when there is leakage with contiguous location, and emergent treatment system inventory is reduced as far as possible.2nd, liquid phase transfer-
The rapid liquid phase material transfer that will leak out in system, controls source of leaks, accelerates leakage control speed.3rd, gas phase release-will leak out
Gaseous phase materials in system are released to gas phase adsorption system, and make leakage gaseous phase materials controllable using methods such as cooling, absorptions.4、
Application of vacuum-and when gaseous phase materials in leakage system are released to nearly normal pressure, to system vacuumize process, it is ensured that system is in peace
Total state.5th, under remote control-emergency rating, operating personnel to on-site manual operation is not allowed, related setting is used instead remotely
Control valve, realizes remote emergency control.
But, the influence of the highly corrosive and device technique pipe-line layout of material is suffered from practical operation,
Occur compared with gross leak, it is necessary to when stopping in emergency, the transfer of material, system decompression process time are more long, cause a large amount of materials
Loss and the generation of secondary disaster.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of the emergent of the short fluorine carbon alkane process units of process time
Processing system and emergency processing method.
To solve above technical problem, the present invention is adopted the following technical scheme that：
A kind of emergent treatment system of fluorine carbon alkane process units, described emergent treatment system includes being given birth to fluorine carbon alkane
Produce the blowdown pipe that is connected of device be connected with described blowdown pipe for gaseous phase materials are absorbed absorption tower, be respectively provided with
It is multiple stop valves on the inlet/outlet pipe and described blowdown pipe of described fluorine carbon alkane process units, described for controlling
The tele-control system that the opening and closing of stop valve and described absorption tower work.
Specifically, described absorption tower includes the absorption tower body of inner hollow, is formed on described absorption tower body
Charging aperture, be arranged in described absorption tower body multigroup spraying dress for described gaseous phase materials to be carried out with water smoke absorption
The gas outlet of putting, be formed in the top of described absorption tower body, the liquid outlet of the bottom for being formed in described absorption tower body,
Described sprayer unit includes being arranged on the described intrinsic spraying ring pipe in absorption tower, is evenly distributed on described spraying ring pipe
On multiple nozzles.
More specifically, described multigroup sprayer unit is uniformly distributed along the axial direction on described absorption tower and described is more
Group sprayer unit is respectively positioned on the top of described charging aperture, and the nozzle on sprayer unit described in two adjacent groups is staggered.
More specifically, described nozzle is ultra-wide angle screw type hollow cone nozzle.
More specifically, the ratio of height to diameter of described absorption tower body is 2 ~ 5:1.
Preferably, the ratio of height to diameter of described absorption tower body is 3 ~ 4:1.
More specifically, described absorption tower body uses steel lining PO tanks.
More specifically, described absorption tower also includes that the top of the absorption tower body for being arranged on described is used for gas-liquid separation
Demister, be formed in described absorption tower body bottom lye import.
Specifically, described fluorine carbon alkane process units includes two Tower Systems, two anti-systems, an anti-system, HCl towers system
System, one point of Tower System, for connecting two described Tower Systems and the first import and export pipe of described two anti-systems, for connecting
The second import and export pipe of the two anti-systems stated and described one anti-system, for connecting a described anti-system and described HCl
3rd inlet/outlet pipe of Tower System, the 4th inlet/outlet pipe for connecting described HCl Tower Systems and one point of described Tower System,
The 5th inlet/outlet pipe for connecting described one point of Tower System and two described Tower Systems；
Described blowdown pipe includes the blowdown house steward being connected with described absorption tower, for connecting described blowdown house steward
The first blowdown branch pipe with two described Tower Systems, let out for connecting the second of described blowdown house steward and described two anti-systems
Material branch pipe, for connecting described blowdown house steward and the 3rd blowdown branch pipe of described one anti-system, for connecting described letting out
Material house steward and the 4th blowdown branch pipe of described HCl Tower Systems, for connecting described blowdown house steward and one point of described tower system
5th blowdown branch pipe of system；
Described first import and export pipe, second import and export pipe, the 3rd inlet/outlet pipe, the 4th inlet/outlet pipe, the 5th import and export
Pipe, blowdown house steward, the first blowdown branch pipe, the second blowdown branch pipe, the 3rd blowdown branch pipe, the 4th blowdown branch pipe, the 5th blowdown branch pipe
On be respectively arranged with described stop valve.
A kind of emergency processing method of fluorine carbon alkane process units, first separates the material in fluorine carbon alkane process units,
After being then turned off the thermal source of described fluorine carbon alkane process units, liquid phase material is shifted, then using described emergency processing system
System absorbs to gaseous phase materials.
Due to the implementation of above technical scheme, the present invention has the following advantages that compared with prior art：
The present invention, by Automated condtrol means, reduces casualties and wealth by the improvement to emergent treatment system
The loss of product, can be rapidly performed by physical treatment so that complete process time absorbed within 8 minutes through absorption tower
Sour gas volume content in tail gas afterwards is less than 1%, and the acid solution absorbed through absorption tower can classify back according to monitoring index
With reducing production cost.
Brief description of the drawings
Accompanying drawing 1 is schematic diagram of the invention；
Accompanying drawing 2 is the structural representation on absorption tower；
Accompanying drawing 3 is the top view of sprayer unit；
Wherein：1st, absorption tower；2nd, stop valve；3rd, two Tower System；4th, two anti-system；5th, an anti-system；6th, HCl Tower Systems；
7th, one point of Tower System；11st, absorption tower body；12nd, charging aperture；13rd, gas outlet；14th, liquid outlet；15th, demister；16th, alkali lye enters
Mouthful；17th, spraying ring pipe；18th, nozzle；21st, first import and export pipe；22nd, second import and export pipe；23rd, the 3rd inlet/outlet pipe；24th,
Four import and export；25th, the 5th inlet/outlet pipe；31st, blowdown house steward；32nd, the first blowdown branch pipe；33rd, the second blowdown branch pipe；34th, the 3rd
Blowdown branch pipe；35th, the 4th blowdown branch pipe；36th, the 5th blowdown branch pipe.
Specific embodiment
With reference to specific embodiment, the present invention will be further described in detail, but the invention is not restricted to following implementation
Example.
As shown in Figure 1, a kind of emergent treatment system of fluorine carbon alkane process units, including with fluorine carbon alkane process units
The blowdown pipe being connected be connected with blowdown pipe for gaseous phase materials are absorbed absorption tower 1, be separately positioned on fluorine carbon alkane life
Produce the work of the multiple stop valves 2 on the inlet/outlet pipe and blowdown pipe of device, the opening and closing for controlling stop valve 2 and absorption tower 1
Tele-control system.
Fluorine carbon alkane process units includes two Tower Systems 3, two anti-systems 4, an anti-system 5,6, one point of tower system of HCl Tower Systems
System 7, for connecting two Tower Systems 3 and the first import and export pipe 21 of two anti-systems 4, for connecting two anti-systems 4 and an anti-system 5
Second import and export pipe 22, for connecting an anti-system 5 and the 3rd inlet/outlet pipe 23 of HCl Tower Systems 6, for connecting HCl towers
System 6 is imported and exported with one point of the 4th inlet/outlet pipe 24 of Tower System 7, for connecting one point the 5th of the Tower System 3 of Tower System 7 and two the
Pipe 25.
Blowdown pipe include be connected with absorption tower 1 blowdown house steward 31, for connecting the Tower System 3 of blowdown house steward 31 and two
First blowdown branch pipe 32, for connecting blowdown house steward 31 and the second blowdown branch pipe 33 of two anti-systems 4, for connecting blowdown house steward
31 with the 3rd blowdown branch pipe 34 of an anti-system 5, the 4th blowdown branch pipe 35 for connecting blowdown house steward 31 and HCl Tower Systems 6,
The 5th blowdown branch pipe 36 for connecting blowdown house steward 31 and one point of Tower System 7.
First import and export pipe 21, second import and export pipe 22, the 3rd inlet/outlet pipe 23, the 4th inlet/outlet pipe the 24, the 5th are passed in and out
Mouth pipe 25, blowdown house steward 31, the first blowdown branch pipe 32, the second blowdown branch pipe 33, the 3rd blowdown branch pipe 34, the 4th blowdown branch pipe
35th, it is respectively arranged with stop valve 2 on the 5th blowdown branch pipe 36.By the setting of stop valve 2 and each pipeline, when the production of fluorine carbon alkane
When device is leaked, can individually be discharged using individual system, or multiple Cascade System discharges.
As shown in Figures 2 and 3, absorption tower 1 includes the absorption tower body 11 of inner hollow, is formed on absorption tower body 11
Charging aperture 12, be arranged in absorption tower body 11 multigroup sprayer unit, formation for gaseous phase materials to be carried out with water smoke absorption
On absorption tower the gas outlet 13 at the top of body 11, be formed in absorption tower body 11 bottom liquid outlet 14, be arranged on absorption
The top of tower body 11 is used for the lye import 16 of the demister 15 of gas-liquid separation, the bottom for being formed in absorption tower body 11.
When gaseous phase materials enter in absorption tower body 11 through blowdown pipe, the water sprayed in sprayer unit carries out water smoke suction to gaseous phase materials
Receive, discharged from gas outlet 13 after the foam removal of demister 15 without the tail gas for absorbing, the acid solution formed after being only absorbed by the water can be through going out
Classify after the discharge of liquid mouthfuls 14 reuse, when acid solution does not need reuse, can be carried out to caustic soda is passed through in acid solution from lye import 16
Reaction.
Sprayer unit includes the spraying ring pipe 17 being arranged in absorption tower body 11, is evenly distributed on spraying ring pipe 17
Multiple nozzles 18, multigroup sprayer unit is uniformly distributed along the axial direction on absorption tower 1, and multigroup sprayer unit is respectively positioned on charging aperture 12
Top, the nozzle 18 on two adjacent groups sprayer unit is staggered.Nozzle 18 is ultra-wide angle screw type hollow cone nozzle 18.This
In embodiment, sprayer unit has three groups, and every group of sprayer unit includes 4 nozzles 18, nozzle 18 it is opening down.
The ratio of height to diameter of absorption tower body 11 is 2 ~ 5:1, it is preferable that the ratio of height to diameter of absorption tower body 11 is 3 ~ 4:1, absorption tower
Body 11 uses steel lining PO tanks.
A kind of emergency processing method of fluorine carbon alkane process units, first separates the material in fluorine carbon alkane process units,
After being then turned off the thermal source of fluorine carbon alkane process units, liquid phase material is shifted, then using emergent treatment system to gaseous phase materials
Absorbed.
Embodiment 1
Two anti-systems 4 are leaked, and carry out following emergency processing：1st, system material cut-off：Close one point of tower discharging regulation
Valve, closes two tower top stop valves 2；2nd, break thermal source：Adjust HCl tower steam control valve apertures to 5%；3rd, liquid phase material treatment：Open thing
Therefore trench bottom Feed Shut-Off valve 2, opening is low to change tube side binder stop valve 2；4th, emergent treatment system is started；5th, disposed of in its entirety knot
Beam.
The disposed of in its entirety time is 7 minutes, absorbs HF by emergent absorption plant and organic equal carries out classification recovery, material
Loss is almost nil.
Embodiment 2
HCl Tower Systems 6 are leaked, and carry out following emergency processing：1st, system material cut-off：Close one point of tower discharging regulation
Valve, closes TCE charging regulating valves, closes HF charging regulating valves, stops TCE canned motor pumps, stops HF canned motor pumps, stops one point of tower feed pump,
Stop one point of tower reflux pump, close HCl tower Feed Shut-Offs valve 2, close HCl towers discharging stop valve 2；2nd, break thermal source：Close one point of tower
Steam control valve, closes two tower steam control valves, and to 5%, break regulation HCl tower steam control valve apertures an anti-, two anti-preheater electricity
Source；3rd, liquid phase material treatment：HCl tower binders stop valve 2 is opened, accident trench bottom Feed Shut-Off valve 2 is opened；4th, emergency processing is started
System；5th, disposed of in its entirety terminates.
The disposed of in its entirety time is 5 minutes, absorbs HF by emergent absorption plant and organic equal carries out classification recovery, material
Loss is almost nil.
Embodiment 3
Two Tower Systems 3 are leaked, and carry out following emergency processing：1st, system material cut-off：Close one point of tower discharging regulation
Valve, closes TCE charging regulating valves, closes HF charging regulating valves, stops TCE canned motor pumps, stops HF canned motor pumps, stops one point of tower feed pump,
Stop one point of tower reflux pump, close two tower top stop valves 2；2nd, break thermal source：One point of tower steam control valve is closed, two tower steam is closed and is adjusted
Section valve, to 5%, break regulation HCl tower reactor steam control valve apertures an anti-, two anti-preheater power supplys；3rd, liquid phase material treatment：Open two
Tower binder stop valve 2, opening is low to change binder stop valve 2, opens accident groove its top feed valve, opens accident trench bottom Feed Shut-Off
Valve 2；4th, emergent treatment system is started；5th, disposed of in its entirety terminates.
The disposed of in its entirety time is 6 minutes, absorbs HF by emergent absorption plant and organic equal carries out classification recovery, material
Loss is almost nil.
Embodiment 4
One point of Tower System 7 is leaked, and carries out following emergency processing：1st, system material cut-off：One point of tower charging is closed to adjust
Section valve, closes one point of tower discharging regulating valve, closes one point of tower top to four counter regulation valves, closes TCE charging regulating valves, closes HF and enters
Material regulating valve, stops TCE canned motor pumps, stops HF canned motor pumps, stops one point of tower feed pump；2nd, break thermal source；One point of tower steam control valve is closed,
Two tower reactor steam control valves are closed, to 5%, break regulation HCl tower reactor steam control valve apertures an anti-, two anti-preheater power supplys；3rd, liquid
The treatment of phase material：One point of tower binder stop valve 2 is opened, accident trench bottom Feed Shut-Off valve 2 is opened, one point of tower return tank material is squeezed into
One point of tower, accident groove is pressed into by one point of tower, stops one point of tower reflux pump；4th, gaseous phase materials treatment：Start emergent treatment system；5、
Disposed of in its entirety terminates.
The disposed of in its entirety time is 7.5 minutes, absorbs HF by emergent absorption plant and organic equal carries out classification recovery, thing
Material loss is almost nil.
The present invention is described in detail above, its object is to allow the personage for being familiar with this art to will appreciate that this
The content of invention is simultaneously carried out, and it is not intended to limit the scope of the present invention, all Spirit Essence institutes of the invention
The equivalent change or modification of work, should all cover within the scope of the present invention.
Claims (8)
1. a kind of emergent treatment system of fluorine carbon alkane process units, it is characterised in that：Described emergent treatment system include with
The blowdown pipe that fluorine carbon alkane process units is connected is connected for the absorption tower for absorbing gaseous phase materials with described blowdown pipe
（1）, multiple stop valves for being separately positioned on the inlet/outlet pipe and described blowdown pipe of described fluorine carbon alkane process units
（2）, for controlling described stop valve（2）Opening and closing and described absorption tower（1）The tele-control system of work；
Described fluorine carbon alkane process units includes two Tower Systems（3）, two anti-systems（4）, an anti-system（5）, HCl Tower Systems
（6）, one point of Tower System（7）, for connecting two described Tower Systems（3）With two described anti-systems（4）First import and export pipe
（21）, for connecting two described anti-systems（4）With a described anti-system（5）Second import and export pipe（22）, for connecting
A described anti-system（5）With described HCl Tower Systems（6）The 3rd inlet/outlet pipe（23）, for connecting described HCl towers system
System（6）With one point of described Tower System（7）The 4th inlet/outlet pipe（24）, for connecting one point of described Tower System（7）And institute
Two Tower Systems stated（3）The 5th inlet/outlet pipe（25）；
Described blowdown pipe includes and described absorption tower（1）The blowdown house steward being connected（31）, for connecting described blowdown
House steward（31）With two described Tower Systems（3）The first blowdown branch pipe（32）, for connecting described blowdown house steward（31）And institute
The two anti-systems stated（4）The second blowdown branch pipe（33）, for connecting described blowdown house steward（31）With a described anti-system
（5）The 3rd blowdown branch pipe（34）, for connecting described blowdown house steward（31）With described HCl Tower Systems（6）The 4th let out
Material branch pipe（35）, for connecting described blowdown house steward（31）With one point of described Tower System（7）The 5th blowdown branch pipe（36）；
Described first import and export pipe（21）, second import and export pipe（22）, the 3rd inlet/outlet pipe（23）, the 4th inlet/outlet pipe
（24）, the 5th inlet/outlet pipe（25）, blowdown house steward（31）, the first blowdown branch pipe（32）, the second blowdown branch pipe（33）, the 3rd blowdown
Branch pipe（34）, the 4th blowdown branch pipe（35）, the 5th blowdown branch pipe（36）On be respectively arranged with described stop valve（2）；Described
Absorption tower（1）Absorption tower body including inner hollow（11）, be formed in described absorption tower body（11）On charging aperture
（12）, be arranged on described absorption tower body（11）Interior multigroup spraying for described gaseous phase materials to be carried out with water smoke absorption is filled
Put, be formed in described absorption tower body（11）Top gas outlet（13）, be formed in described absorption tower body（11）'s
The liquid outlet of bottom（14）, described sprayer unit is including being arranged on described absorption tower body（11）Interior spraying ring pipe
（17）, be evenly distributed on described spraying ring pipe（17）On multiple nozzles（18）.
2. the emergent treatment system of fluorine carbon alkane process units according to claim 1, it is characterised in that：Described is multigroup
Sprayer unit is along described absorption tower（1）Axial direction be uniformly distributed, and described multigroup sprayer unit is respectively positioned on and described enters
Material mouth（12）Top, the nozzle on sprayer unit described in two adjacent groups（18）It is staggered.
3. the emergent treatment system of fluorine carbon alkane process units according to claim 1, it is characterised in that：Described nozzle
（18）It is ultra-wide angle screw type hollow cone nozzle（18）.
4. the emergent treatment system of fluorine carbon alkane process units according to claim 1, it is characterised in that：Described absorption
Tower body（11）Ratio of height to diameter be 2 ~ 5:1.
5. the emergent treatment system of fluorine carbon alkane process units according to claim 4, it is characterised in that：Described absorption
Tower body（11）Ratio of height to diameter be 3 ~ 4:1.
6. the emergent treatment system of fluorine carbon alkane process units according to claim 1, it is characterised in that：Described absorption
Tower body（11）Using steel lining PO tanks.
7. the emergent treatment system of fluorine carbon alkane process units according to claim 1, it is characterised in that：Described absorption
Tower（1）Also include being arranged on described absorption tower body（11）Top be used for the demister of gas-liquid separation（15）, be formed in
Described absorption tower body（11）Bottom lye import（16）.
8. a kind of emergency processing method of fluorine carbon alkane process units, it is characterised in that：First by fluorine carbon alkane process units
Material separates, and after being then turned off the thermal source of described fluorine carbon alkane process units, liquid phase material is shifted, then using claim
Emergent treatment system any one of 1 to 7 absorbs to gaseous phase materials.
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| CN201510472609.3A CN105013295B (en) | 2015-08-05 | 2015-08-05 | A kind of emergent treatment system and emergency processing method of fluorine carbon alkane process units |
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| CN107050912B (en) * | 2017-01-13 | 2022-08-02 | 陕西延长石油（集团）有限责任公司 | Gas-phase condensed liquid recovery system and method |
| CN107744717A (en) * | 2017-10-30 | 2018-03-02 | 河南神马尼龙化工有限责任公司 | A kind of emergent treatment system of adipic acid production tail gas |
| CN110812871A (en) * | 2018-08-09 | 2020-02-21 | 上海寰球工程有限公司 | Safety relief device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004097539A1 (en) * | 2003-05-02 | 2004-11-11 | Pilz Gmbh & Co. | Method and device for controlling a safety-critical process |
| CN201807289U (en) * | 2010-12-10 | 2011-04-27 | 河南尚宇新能源股份有限公司 | Guiding device for recovered trichlorosilane tail gas |
| CN103505996A (en) * | 2013-09-24 | 2014-01-15 | 北京航天动力研究所 | Waste gas washing treatment method and device in polycrystalline silicon industry |
| CN104557443A (en) * | 2014-12-03 | 2015-04-29 | 嵊州领航信息科技有限公司 | System and method for preparing pentafluoroethane |
| CN204768171U (en) * | 2015-08-05 | 2015-11-18 | 太仓中化环保化工有限公司 | Emergency treatment system of fluorine carbon alkane apparatus for producing |
-
2015
- 2015-08-05 CN CN201510472609.3A patent/CN105013295B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004097539A1 (en) * | 2003-05-02 | 2004-11-11 | Pilz Gmbh & Co. | Method and device for controlling a safety-critical process |
| CN201807289U (en) * | 2010-12-10 | 2011-04-27 | 河南尚宇新能源股份有限公司 | Guiding device for recovered trichlorosilane tail gas |
| CN103505996A (en) * | 2013-09-24 | 2014-01-15 | 北京航天动力研究所 | Waste gas washing treatment method and device in polycrystalline silicon industry |
| CN104557443A (en) * | 2014-12-03 | 2015-04-29 | 嵊州领航信息科技有限公司 | System and method for preparing pentafluoroethane |
| CN204768171U (en) * | 2015-08-05 | 2015-11-18 | 太仓中化环保化工有限公司 | Emergency treatment system of fluorine carbon alkane apparatus for producing |
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