CN206809990U - A kind of hydrogen from methyl alcohol vacuum desorption qi exhaustion removes mist water system - Google Patents
A kind of hydrogen from methyl alcohol vacuum desorption qi exhaustion removes mist water system Download PDFInfo
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- CN206809990U CN206809990U CN201720581539.XU CN201720581539U CN206809990U CN 206809990 U CN206809990 U CN 206809990U CN 201720581539 U CN201720581539 U CN 201720581539U CN 206809990 U CN206809990 U CN 206809990U
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Abstract
It the utility model is related to a kind of hydrogen from methyl alcohol vacuum desorption qi exhaustion and remove mist water system, it includes being sequentially communicated adsorption tower, water ring vacuum pump, low level liquid separation tank, wire mesh demister, upper press cover, lower cover, low level Drainage pipe, high-order liquid separation tank, cloth bag demister, foam removal cloth bag, cloth bag foam removal frame, high-order Drainage pipe by pipeline.The input of the adsorption tower and the water ring vacuum pump passes through gas phase pipeline communication, the water ring vacuum pump and the low level liquid separation tank pass through gas phase pipeline communication, it is connected in the middle part of the top exit of the low level liquid separation tank and high-order liquid separation tank by gas phase pipeline communication, the top of the high-order liquid separation tank by high-order exhausting pipeline with air.The utility model carries out two level foam removal by silk screen foam removal and cloth bag foam removal, the mist water of Vacuum solutions air-breathing carrying can effectively be removed, the corrosion of eminence exhaust emission atmospheric environment and device area container, tower and pipeline is avoided, the sewage being collected into enters sewage network.
Description
Technical field
The invention belongs to chemical technology field, and in particular to a kind of hydrogen from methyl alcohol vacuum desorption qi exhaustion removes the side of mist water
Method.
Background technology
Vacuum Pressure Swing Adsorption in hydrogen from methyl alcohol technique（VPSA）De- charcoal system, adsorption tower by absorption, along putting/replace
Drop pressure, inverse put need to vacuumize adsorption tower to close to after normal pressure, and desorption and regeneration is carried out to adsorbent, will be residual in adsorbent
The gaseous impurity stayed thoroughly desorbs, and makes adsorbent activity recovery.Vacuumize and use water-ring vacuum pump, desalted water is used as
Working solution, outlet pressure 0.02-0.03MPa, stripping gas key component are CO2（More than content 90-95%）, while also contain
A small amount of methanol, methyl ether, CO, H2S、H2Deng impurity.Existing way is, by vacuum desorption pneumatic transmission to device eminence, directly to discharge
Into air, but because being vacuumized using water-ring vacuum pump, it is in mist inevitably to be carried in the Vacuum solutions air-breathing of discharge
The moisture content of shape, the impurity effect in this part moisture content and stripping gas can be discharged into air formed with the mist of weak erosive, dirty
Atmospheric environment is contaminated, causes the corrosion of device area container, tower and pipeline, long-time equipment can change colour, and influence equipment appearance.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of hydrogen from methyl alcohol vacuum desorption qi exhaustion and remove mist water system, its
By the two level foam removal process of two series connection of silk screen foam removal and cloth bag foam removal, the mist water that Vacuum solutions air-breathing is carried is removed, kept away
Exempt to pollute atmospheric environment when Vacuum solutions air-breathing is aloft discharged, corrosion device area container, tower and pipeline, the sewage trapped enter
Enter sewage network.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of hydrogen from methyl alcohol vacuum desorption qi exhaustion removes mist water
System, it include by pipeline be sequentially communicated adsorption tower, water ring vacuum pump, low level liquid separation tank, wire mesh demister, upper press ring, under
Pressure ring, low level Drainage pipe, high-order liquid separation tank, cloth bag demister, foam removal cloth bag, cloth bag foam removal frame, high-order Drainage pipe；It is described
Adsorption tower is by 6 adsorption tower groups in parallel into and the input of the water ring vacuum pump is true by gas phase pipeline communication, the water ring
Empty pump and the low level liquid separation tank pass through gas phase pipeline communication, the top exit of the low level liquid separation tank and high-order liquid separation tank middle part
By gas phase pipeline communication, the top of the high-order liquid separation tank is connected by high-order exhausting pipeline with air.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
As the preferred embodiment of above-mentioned technical proposal, a kind of hydrogen from methyl alcohol vacuum desorption provided in an embodiment of the present invention
Qi exhaustion further comprises the part or all of of following technical characteristic except mist water system：
As the improvement of above-mentioned technical proposal, the silk made of three layers of stainless steel cloth is provided with the low level liquid separation tank
Net demister, stainless steel cloth is pushed down by the upper press ring and the lower pressure ring, the upper press ring and the lower pressure ring are with four
Group is bolted in the low level liquid separation tank upper inside wall, convenient dismounting.
As the improvement of above-mentioned technical proposal, cloth bag demister, the cloth bag foam removal are installed in the high-order liquid separation tank
Device is placed in supportive grid, and the supportive grid and the inwall of the high-order liquid separation tank are fixed by 4 groups of screws.
Further, the cloth bag demister is made up of foam removal cloth bag, cloth bag foam removal frame, porous air manifold tube, the foam removal
Cloth bag is bottom-up to be enclosed on cloth bag foam removal outer frame, is fixed in upper end with the stainless stirrup of circular ring type.The cloth bag demister with it is described
Supportive grid is connected by four groups of single ended bolts, and nut is in upper, the replacing cloth bag demister easy to disassemble.
Further, the suction line of the cloth bag demister extends horizontally to the high-order liquid separation tank Center-to-Center and hung down
Straight downward porous air manifold tube upper end connection, the radially even circle for being provided with some mm of diameter 10 of the porous air manifold tube
4 mm of diameter 10 circular hole is opened in hole, the porous air manifold tube bottom, and the porous air manifold tube is mounted in cloth bag foam removal inframe.
As the improvement of above-mentioned technical proposal, in one embodiment of the invention, the low level liquid separation pot bottom and row
Dirty pipe network is connected by the low level Drainage pipe, and a gate valve is set on described low level Drainage pipe, for periodically arranging
It is dirty；The high-order liquid separation pot bottom is connected with sewage network by high-order Drainage pipe, is set on described high-order Drainage pipe
A gate valve is put, for periodical blowdown.
As the improvement of above-mentioned technical proposal, in the outlet of the adsorption tower and the input pipeline of the water ring vacuum pump
On, set a reverse gas to empty pipeline, and a control valve is set on described reverse gas emptying pipeline.It is inverse in adsorption tower
Put the stage, reverse gas directly empties pipeline by the reverse gas and is discharged into air.
Compared with prior art, the beneficial effects of the invention are as follows：The mist water that Vacuum solutions air-breathing carries, by the silk of series connection
Net foam removal and cloth bag foam removal two level foam removal process, can effectively remove the mist water carried in Vacuum solutions air-breathing, avoid vacuum
Atmospheric environment and corrosion device area container, tower and pipeline are polluted when stripping gas aloft discharges, the sewage being collected into enters dirty
Grid.
Brief description of the drawings
A kind of hydrogen from methyl alcohol vacuum desorption qi exhaustions of Fig. 1 remove the process chart of mist water system；
In accompanying drawing, the list of parts representated by each label is as follows：
1. adsorption tower；2. reverse gas discharge tube；3. water ring vacuum pump；4. low level liquid separation tank；5. lower pressure ring；6 silk screens remove
Foam device；7. upper press ring；8. low level Drainage pipe；9. high-order liquid separation tank, 10. cloth bag demisters；11. foam removal cloth bag；12. porous cloth
Tracheae；13. cloth bag foam removal frame；14. supportive grid；15. high-order exhausting pipeline；16. high-order Drainage pipe.
Embodiment
The principle and feature of the present invention are described below in conjunction with drawings and the specific embodiments, example is served only for solving
The present invention is released, is not intended to limit the scope of the present invention.
As shown in figure 1, the present invention, which provides a kind of hydrogen from methyl alcohol vacuum desorption qi exhaustion, removes mist water system, it includes passing through pipe
Road is sequentially communicated adsorption tower 1, water ring vacuum pump 3, low level liquid separation tank 4, wire mesh demister 6, upper press ring 7, lower pressure ring 5, low level row
Liquid pipe road 8, high-order liquid separation tank 9, cloth bag demister 10, foam removal cloth bag 11, cloth bag foam removal frame 13, high-order Drainage pipe 16；It is described
Adsorption tower 1 is by six adsorption tower groups in parallel into and the input of the water ring vacuum pump 3 passes through gas phase pipeline communication, the water
Ring vacuum pump 3 and the low level liquid separation tank 4 pass through gas phase pipeline communication, the top exit and a high position point of the low level liquid separation tank 4
The middle part of flow container 9 is connected by gas phase pipeline communication, the top of the high-order liquid separation tank 9 by high-order exhausting pipeline 15 with air
It is logical.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
As the preferred embodiment of above-mentioned technical proposal, a kind of hydrogen from methyl alcohol vacuum desorption provided in an embodiment of the present invention
Qi exhaustion further comprises the part or all of of following technical characteristic except mist water system：
As the improvement of above-mentioned technical proposal, it is provided with the low level liquid separation tank 4 made of three layers of stainless steel cloth
Wire mesh demister 6, stainless steel cloth is pushed down by the upper press ring 7 and the lower pressure ring 5, the upper press ring 7 and described pushed
Ring 5 is bolted in the upper inside wall of low level liquid separation tank 4 with four groups, convenient dismounting.
As the improvement of above-mentioned technical proposal, cloth bag demister 10 is installed in the high-order liquid separation tank 9, the cloth bag removes
Foam device 10 is placed in supportive grid 14, and the supportive grid 14 and the inwall of the high-order liquid separation tank 9 are consolidated by 4 groups of screws
It is fixed.
Further, the cloth bag demister 10 is made up of foam removal cloth bag 11, cloth bag foam removal frame 13, porous air manifold tube 12,
The foam removal cloth bag 11 is bottom-up to be enclosed on outside cloth bag foam removal frame 13, is fixed in upper end with the stainless stirrup of circular ring type；The cloth bag
Demister 10 is connected with the supportive grid 14 by four groups of single ended bolts, and nut is in upper, the replacing foam removal cloth easy to disassemble
Bag 11.
Further, the suction line of the cloth bag demister 10 extends horizontally to the high-order center of liquid separation tank 9 with
The upper end of the porous air manifold tube 12 connection of the heart vertically downward, the porous air manifold tube 12 is radially even to be provided with some diameters 10
4 mm of diameter 10 circular hole is opened in mm circular hole, the bottom of porous air manifold tube 12, and the porous air manifold tube 12 removes mounted in cloth bag
In foam frame 13.
As the improvement of above-mentioned technical proposal, in one embodiment of the invention, the bottom of low level liquid separation tank 4 and row
Dirty pipe network is connected by the low level Drainage pipe 8, a gate valve is set on described low level Drainage pipe 8, for regular
Blowdown.The high-order bottom of liquid separation tank 9 is connected with sewage network by high-order Drainage pipe 16, in described high-order Drainage pipe
One gate valve is set on 16, for periodical blowdown.
As the improvement of above-mentioned technical proposal, in the outlet of the adsorption tower 1 and the input end pipe of the water ring vacuum pump 3
On road, a reverse gas discharge tube 2 is set, and a control valve is set on described reverse gas discharge tube 2.Adsorbing
The inverse put stage of tower 1, reverse gas are directly discharged into air by the reverse gas discharge tube 2.
The hydrogen from methyl alcohol vacuum desorption qi exhaustion of the present invention is as follows except the operation principle of mist water：
In reverse gas emptying close to after normal pressure, the control valve on closing reverse gas discharge tube 2, start water ring vacuum pump 3
Adsorption tower 1 is vacuumized.Water ring vacuum pump 3 forms vacuum under the effect of eccentric centrifugal power, will remain in adsorbent micropore
Impurity is desorbed out, is delivered to pump discharge and enters in low level liquid separation tank 4.When the gas for carrying mist water is with slow speed
When liter passes through wire mesh demister 6, mist water collides and is attached in filament surfaces with wire mesh filaments, by the capillary of filament
Pipe effect, the surface tension of the wettability of filament and liquid, spread in filament surfaces, assemble, grow up, until the drop of aggregation
Lift and when making a concerted effort of surface tension of liquid that its gravitation energy overcomes gas are arrived greatly, drop just departs from from filament to fall, via
Low level Drainage pipe 8 flows into sewage network by gravity.
Micro mist water still can be carried in Vacuum solutions air-breathing after the processing of wire mesh demister 6, then is introduced into height
Cloth bag demister 10 in position liquid separation tank 9, the porous air manifold tube 12 entered by airway tube in cloth bag demister 10, equably edge
Radial direction surrounding is distributed, and Vacuum solutions air-breathing is collected upwards through the wall of foam removal cloth bag 11, by the high-order exhausting pipeline in the high-order top of liquid separation tank 9
15 are directly discharged into air, and the mist water in Vacuum solutions air-breathing is trapped and assembled by foam removal cloth bag 11, drops to high-order liquid separation tank 9
Bottom, sewage network is flowed into by gravity via high-order Drainage pipe 16.
Factory's actual production shows, improved hydrogen from methyl alcohol Vacuum solutions air-breathing after silk screen foam removal and cloth bag foam removal,
Mist water in stripping gas is completely removed.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (6)
1. a kind of hydrogen from methyl alcohol vacuum desorption qi exhaustion removes mist water system, it is characterised in that it includes being sequentially communicated by pipeline
Adsorption tower（1）, water ring vacuum pump（3）, low level liquid separation tank（4）, wire mesh demister（6）, upper press ring（7）, lower pressure ring（5）, low level
Drainage pipe（8）, high-order liquid separation tank（9）, cloth bag demister（10）, foam removal cloth bag (11), cloth bag foam removal frame（13）, high-order discharge opeing
Pipeline（16）；The adsorption tower（1）By 6 adsorption tower groups in parallel into and the water ring vacuum pump（3）Input pass through gas phase
Pipeline communication, the water ring vacuum pump（3）With the low level liquid separation tank（4）By gas phase pipeline communication, the low level liquid separation tank
（4）Top exit and high-order liquid separation tank（9）Middle part passes through gas phase pipeline communication, the high-order liquid separation tank（9）Top pass through
High-order exhausting pipeline (15) is connected with air.
2. a kind of hydrogen from methyl alcohol vacuum desorption qi exhaustion according to claim 1 removes mist water system, it is characterised in that described
Low level liquid separation tank（4）Inside it is provided with the wire mesh demister made of three layers of stainless steel cloth（6）, by the upper press ring（7）And institute
State lower pressure ring（5）Stainless steel cloth is pushed down, the upper press ring（7）With the lower pressure ring（5）It is bolted to four groups described
Low level liquid separation tank（4）In upper inside wall, convenient dismounting.
3. a kind of hydrogen from methyl alcohol vacuum desorption qi exhaustion according to claim 1 removes mist water system, it is characterised in that described
High-order liquid separation tank（9）Cloth bag demister is inside installed（10）, the cloth bag demister（10）It is placed on supportive grid（14）On, institute
State supportive grid（14）With the high-order liquid separation tank（9）Inwall fixed by 4 groups of screws.
4. a kind of hydrogen from methyl alcohol vacuum desorption qi exhaustion according to claim 3 removes mist water system, it is characterised in that described
Cloth bag demister（10）By foam removal cloth bag（11）, cloth bag foam removal frame（13）, porous air manifold tube（12）Composition, the foam removal cloth bag
（11）It is bottom-up to be enclosed on cloth bag foam removal frame（13）Outside, fixed in upper end with the stainless stirrup of circular ring type；The cloth bag demister
（10）With the supportive grid（14）It is connected by four groups of single ended bolts, nut is in upper, the replacing foam removal cloth bag easy to disassemble
（11）.
5. a kind of hydrogen from methyl alcohol vacuum desorption qi exhaustion according to claim 1 removes mist water system, it is characterised in that described
Low level liquid separation tank（4）Bottom and the excessively described low level Drainage pipe of blow-off pipe Netcom（8）Connection, in described low level Drainage pipe
（8）One gate valve of upper setting, for periodical blowdown；The high-order liquid separation tank（9）Bottom passes through high-order discharging tube with sewage network
Road（16）Connection, in described high-order Drainage pipe（16）One gate valve of upper setting, for periodical blowdown.
6. a kind of hydrogen from methyl alcohol vacuum desorption qi exhaustion according to claim 1 removes mist water system, it is characterised in that in institute
State adsorption tower（1）Outlet and the water ring vacuum pump（3）Input pipeline on, set a reverse gas discharge tube（2）,
And in described reverse gas discharge tube（2）One control valve of upper setting；In adsorption tower（1）Inverse put stage, reverse gas are directly logical
Cross the reverse gas discharge tube（2）It is discharged into air.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720581539.XU CN206809990U (en) | 2017-05-24 | 2017-05-24 | A kind of hydrogen from methyl alcohol vacuum desorption qi exhaustion removes mist water system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720581539.XU CN206809990U (en) | 2017-05-24 | 2017-05-24 | A kind of hydrogen from methyl alcohol vacuum desorption qi exhaustion removes mist water system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107008096A (en) * | 2017-05-24 | 2017-08-04 | 武汉轻工大学 | A kind of hydrogen from methyl alcohol vacuum desorption qi exhaustion removes mist water system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107008096A (en) * | 2017-05-24 | 2017-08-04 | 武汉轻工大学 | A kind of hydrogen from methyl alcohol vacuum desorption qi exhaustion removes mist water system |
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